National Institute of Standards and Technology
Computational Chemistry Comparison and Benchmark DataBase
Release 22May 2022
NIST Standard Reference Database 101
IIntroduction
IIExperimental data
IIICalculated data
IVData comparisons
VCost comparisons
VIInput and output files
VIITutorials and Units
VIIILinks to other sites
IXFeedback
XOlder CCCBDB versions
XIIGeometries
XIII Vibrations
XIVReaction data
XVEntropy data
XVIBibliographic data
XVIIIon data
XVIIIBad calculations
XIXIndex of properties
XXH-bond dimers
XXIOddities

NIST policy on privacy, security, and accessibility.
© 2013 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved.

The National Institute of Standards and Technology (NIST) is an agency of the U.S. Department of Commerce.

Please send questions, comments, corrections, additions and suggestions to cccbdb@nist.gov.

return to home page

IV.D.8.

Average Bond Length Differences by Model Chemistry

Calculated at MP2/3-21G*

Species Name Bond type Bond Length (Å)
Experimental unc. Calculated Difference atom1 atom2
C4H10O Methyl propyl ether rCC 1.530   1.096 -0.434 5 13
LiO lithium oxide rLiO 1.688   1.561 -0.127 1 2
CuF Copper monofluoride rCuF 1.745 ±0.000 1.621 -0.124 1 2
CuCl Copper monochloride rCuCl 2.051 ±0.000 1.941 -0.111 1 2
SiP Silicon monophosphide rSiP 2.078 ±0.002 1.986 -0.092 1 2
PS phosphorus sulfide rP=S 1.900   1.820 -0.080 1 2
NaF sodium fluoride rNaF 1.926 ±0.000 1.850 -0.076 1 2
CuH Copper monohydride rCuH 1.463   1.389 -0.073 1 2
C6H6 Fulvene rCH 1.130 ±0.030 1.088 -0.042 2 7
LiOH lithium hydroxide rLiO 1.582   1.542 -0.039 1 2
NaBr Sodium Bromide rNaBr 2.502 ±0.000 2.466 -0.036 1 2
SiN Silicon nitride rSiN 1.575   1.541 -0.034 1 2
C5H8O Methyl cyclopropyl ketone rCH 1.126   1.092 -0.034 3 7
LiF lithium fluoride rLiF 1.564 ±0.000 1.531 -0.033 1 2
C2H2O2 Ethanedial rCH 1.132   1.100 -0.032 1 3
MgOH magnesium hydroxide rMgO 1.767   1.736 -0.031 1 2
MgO magnesium oxide rMgO 1.749   1.718 -0.031 1 2
CN Cyano radical rC#N 1.172   1.141 -0.031 1 2
C4H5N Cyclopropanecarbonitrile rCC 1.472   1.442 -0.030 6 8
C2Cl2 dichloroacetylene rC#C 1.246 ±0.030 1.217 -0.029 1 2
C2H Ethynyl radical rC#C 1.217   1.187 -0.029 1 2
C5H10 2-Pentene, (E)- rCC 1.576   1.550 -0.026 11 15
ScH Scandium monohydride rScH 1.775 ±0.000 1.749 -0.026 1 2
AlBr Aluminum monobromide rAlBr 2.295   2.270 -0.025 1 2
MgF Magnesium monofluoride rMgF 1.750   1.725 -0.025 1 2
CH2ClCH2Cl Ethane, 1,2-dichloro- rCH 1.112   1.089 -0.023 1 5
C7H16 heptane rCH 1.121 ±0.007 1.099 -0.022 1 8
CP Carbon monophosphide rC#P 1.562   1.541 -0.021 1 2
CH3CH2CH2CH3 Butane rCH 1.117   1.098 -0.019 1 5
HS+ sulfur monohydride cation rSH 1.374   1.355 -0.019 1 2
CH3OCl methyl hypochlorite rCH 1.111 ±0.018 1.092 -0.019 3 4
NS Mononitrogen monosulfide rNS 1.497 ±0.000 1.478 -0.019 1 2
H2Cl+ dihydrogen monochloride cation rHCl 1.321 ±0.000 1.303 -0.018 1 2
CF3COOH trifluoroacetic acid rCC 1.546 ±0.005 1.528 -0.018 1 2
NO Nitric oxide rN=O 1.154 ±0.000 1.137 -0.017 1 2
Si(CH3)4 tetramethylsilane rCH 1.115 ±7.000 1.099 -0.016 2 6
GaF Gallium monofluoride rFGa 1.774 ±0.000 1.758 -0.016 1 2
C4H8O2 Ethyl acetate rCH 1.105   1.091 -0.014 1 7
N(CH3)3 Trimethylamine rCH 1.109   1.095 -0.014 2 8
C6H8 (Z)-hexa-1,3,5-triene rCH 1.104   1.091 -0.013 1 7
C5H8 Ethenylcyclopropane rCH 1.099   1.086 -0.013 1 6
CH3COCl Acetyl Chloride rCH 1.105   1.092 -0.013 2 5
C5H6 Bicyclo[2.1.0]pent-2-ene rCC 1.560   1.548 -0.012 3 5
GaBr Gallium monobromide rGaBr 2.352 ±0.000 2.341 -0.011 1 2
HSiCl Chlorosilylene rSiH 1.525 ±0.005 1.514 -0.011 1 3
CH3CH2CHO Propanal rCH 1.115   1.105 -0.010 3 10
CH3CHO Acetaldehyde rCH 1.114   1.104 -0.010 1 4
CH3CH2CHO Propanal rCH 1.103   1.093 -0.010 1 6
C8H8 cubane rCH 1.097   1.088 -0.009 1 9
CH2NH Methanimine rCH 1.103   1.094 -0.009 1 3
CH3ONO Methyl nitrite rCH 1.102   1.093 -0.009 1 4
CH3OCHO methyl formate rCH 1.101   1.092 -0.009 3 8
ArH+ Argon hydride cation rArH 1.292 ±0.000 1.283 -0.009 1 2
C6H8 (Z)-hexa-1,3,5-triene rC=C 1.368   1.359 -0.009 1 2
SiH2Cl2 dichlorosilane rSiH 1.480 ±0.015 1.471 -0.009 1 2
CHF3 Methane, trifluoro- rCH 1.091 ±0.014 1.083 -0.008 1 2
C2H3Cl Ethene, chloro- rCH 1.090   1.082 -0.008 1 4
AlS Aluminum sulfide rAlS 2.029   2.021 -0.008 1 2
B2H6 Diborane rBH 1.200   1.193 -0.007 1 5
HeH+ Helium hydride cation rHHe 0.790   0.783 -0.007 1 2
CH2O2 Dioxirane rCH 1.090 ±0.002 1.084 -0.006 1 2
C5H8 Bicyclo[2.1.0]pentane rCC 1.536   1.530 -0.006 1 5
P2H4 Diphosphine rPH 1.417   1.411 -0.006 1 3
CH3CH2CHO Propanal rCH 1.105   1.099 -0.006 2 8
KF Potassium Fluoride rKF 2.171 ±0.000 2.165 -0.006 1 2
AlF Aluminum monofluoride rAlF 1.654 ±0.000 1.649 -0.006 1 2
SiBr+ Silicon monobromide cation rSiBr 2.095 ±0.000 2.090 -0.006 1 2
SiH+ silicon monohydride cation rSiH 1.504   1.499 -0.005 1 2
CH2 Methylene rCH 1.085   1.080 -0.005 1 2
CH3CH2OH Ethanol rCH 1.098   1.093 -0.005 1 6
C3H6O 2-Propen-1-ol rCH 1.092 ±0.010 1.087 -0.005 2 7
CO+ carbon monoxide cation rC=O 1.115 ±0.000 1.110 -0.005 1 2
LiNH2 lithium amide rLiN 1.736 ±0.003 1.731 -0.005 1 2
C9H8 Indene rCC 1.415 ±0.170 1.410 -0.005 1 2
C2H2O2 Ethanedial rCC 1.526   1.521 -0.005 1 2
C3H4N2 1H-Pyrazole rCH 1.083   1.078 -0.005 5 6
SiC silicon monocarbide rCSi 1.722   1.717 -0.004 1 2
P2H4 Diphosphine rPH 1.414   1.410 -0.004 1 4
C5H9N Pentanenitrile rCC 1.478   1.474 -0.004 4 6
HCl+ hydrogen chloride cation rHCl 1.315   1.310 -0.004 1 2
C4H5NO 3-Methylisoxazole rCC 1.514   1.509 -0.004 1 8
CH3NO3 Methyl nitrate rCH 1.095   1.091 -0.004 5 8
C5H10 2-Pentene, (Z)- rCC 1.561   1.557 -0.004 1 5
C4H5NO Isoxazole, 5-methyl- rCC 1.505   1.502 -0.003 1 5
CH2C(CH3)OCH3 1-Propene, 2-methoxy- rCH 1.087   1.084 -0.003 11 12
C3H6O 2-Propen-1-ol rCH 1.091 ±0.010 1.088 -0.003 3 9
SiH3Cl chlorosilane rSiCl 2.051   2.047 -0.003 1 2
CH3NHCH3 Dimethylamine rCH 1.098   1.095 -0.003 3 7
C3H4 cyclopropene rCH 1.088   1.085 -0.003 1 6
CH2PH Phosphaethene rCH 1.090 ±0.015 1.087 -0.003 1 3
CH2FCl fluorochloromethane rCH 1.090 ±0.010 1.087 -0.003 1 4
CH3CH(CH3)CH3 Isobutane rCH 1.100   1.097 -0.003 3 6
C3H4N2 1H-Pyrazole rCH 1.082   1.079 -0.003 1 2
PCl5 Phosphorus pentachloride rPCl 2.020   2.017 -0.003 1 2
SiCl Clorosilylidyne rSiCl 2.061 ±0.000 2.059 -0.003 1 2
CH3NO nitrosomethane rCH 1.094   1.092 -0.002 1 4
C6H12 Cyclohexane rCH 1.101   1.099 -0.002 1 7
C4H4N2 1,3-Diazine rCH 1.087   1.085 -0.002 1 7
H2CSe Selenoformaldehyde rHC 1.090   1.088 -0.002 1 3
B2H6 Diborane rBH 1.320   1.318 -0.002 1 3
CH3CH2CHO Propanal rCH 1.096   1.094 -0.002 1 5
CH2PH Phosphaethene rCH 1.090 ±0.015 1.088 -0.002 1 4
CH3NC methyl isocyanide rCH 1.094   1.092 -0.002 1 4
C3H4N2 1H-Pyrazole rCH 1.080   1.078 -0.002 3 4
CH3ONO Methyl nitrite rCH 1.090   1.088 -0.002 1 3
CH3SCH2CH3 Ethane, (methylthio)- rCH 1.097   1.095 -0.002 5 6
HSiCl Chlorosilylene rSiCl 2.067 ±0.003 2.065 -0.002 1 2
SF4 Sulfur tetrafluoride rSF 1.646 ±0.003 1.644 -0.002 1 2
C2H5N Aziridine rCH 1.083   1.082 -0.001 3 5
PH phosphorus monohydride rPH 1.422   1.421 -0.001 1 2
CH2CO Ketene rCH 1.083   1.081 -0.001 1 4
C4H6 Cyclobutene rCH 1.094   1.093 -0.001 3 7
C2H5F fluoroethane rCH 1.095 ±0.007 1.094 -0.001 1 4
C3H6O 2-Propen-1-ol rCH 1.102 ±0.020 1.101 -0.001 1 6
C4H6 Cyclobutene rCH 1.083   1.082 -0.001 1 5
CH2C(CH3)CH3 1-Propene, 2-methyl- rCH 1.088   1.087 -0.001 2 3
CH3COCH2CH3 2-Butanone rCH 1.095   1.094 -0.001 4 9
C4H6S Thiophene, 2,5-dihydro- rCH 1.095   1.095 0.000 2 6
C3H3NO Oxazole rCH 1.075 ±0.001 1.075 0.000 2 6
AlCl Aluminum monochloride rAlCl 2.130 ±0.000 2.130 0.000 1 2
C3F6 hexafluoropropene rC=C 1.329 ±0.003 1.329 0.000 1 2
CH3CHS Thioacetaldehyde rCH 1.098   1.098 0.000 2 6
CH3CCH propyne rCH 1.096   1.096 0.000 1 5
D2 Deuterium diatomic rDD 0.742   0.741 0.000 1 2
C3H6 Cyclopropane rCH 1.083   1.083 0.000 1 4
H2 Hydrogen diatomic rHH 0.741   0.741 0.000 1 2
HD Deuterium hydride rDH 0.741   0.741 0.000 1 2
C3H3NO Oxazole rCH 1.075 ±0.001 1.075 0.000 4 7
SiH Silylidyne rSiH 1.520   1.520 0.000 1 2
CH3COCH2CH3 2-Butanone rCH 1.096   1.096 0.000 1 7
CH3CHFCH3 2-Fluoropropane rCH 1.094 ±0.005 1.094 0.000 4 10
C2H2ClF 1-chloro-1-fluoroethylene rCH 1.082 ±0.001 1.082 0.000 2 5
SiH2Cl2 dichlorosilane rSiCl 2.033 ±0.003 2.033 0.000 1 4
CH3COCH2CH3 2-Butanone rCH 1.093   1.093 0.000 4 10
C4H10O Ethoxy ethane rCH 1.100   1.100 0.000 2 6
C3H4 cyclopropene rCH 1.072   1.072 0.000 2 4
CH3OC2H5 Ethane, methoxy- rCH 1.099 ±0.007 1.099 0.000 1 6
C4H8 cyclobutane rCH 1.093   1.094 0.000 1 5
C4H8 cyclobutane rCH 1.091   1.091 0.000 1 6
HCCl Chloromethylene rCH 1.119 ±0.036 1.119 0.000 1 3
CH3OC2H5 Ethane, methoxy- rCH 1.100 ±0.003 1.100 0.000 3 8
CH3OCH3 Dimethyl ether rCH 1.099 ±0.001 1.100 0.001 2 6
GeF Germanium monofluoride rFGe 1.745   1.746 0.001 1 2
CH2CHF Ethene, fluoro- rCH 1.082   1.083 0.001 1 4
C3H8 Propane rCH 1.096   1.097 0.001 1 4
CH3CHClCH3 Propane, 2-chloro- rCH 1.091   1.092 0.001 2 5
CH3CHFCH3 2-Fluoropropane rCH 1.093 ±0.006 1.094 0.001 4 8
CH2Cl2 Methylene chloride rCH 1.085 ±0.002 1.086 0.001 1 2
C3H3NO Oxazole rCH 1.073 ±0.001 1.074 0.001 5 8
CH3OC2H5 Ethane, methoxy- rCH 1.092 ±0.007 1.093 0.001 4 11
C2H5N Aziridine rCH 1.084   1.085 0.001 3 6
SiH4 Silane rSiH 1.480 ±0.000 1.481 0.001 1 2
C6H8 1,4-Cyclohexadiene rCH 1.100   1.101 0.001 1 11
C3H6O Propylene oxide rCC 1.513   1.514 0.001 2 6
BrF5 bromine pentafluoride rFBr 1.774 ±0.003 1.775 0.001 1 3
SiH3Cl chlorosilane rSiH 1.475   1.476 0.001 1 3
CH3NO nitrosomethane rCH 1.092   1.093 0.001 1 5
C2H2 Acetylene rCH 1.063   1.064 0.001 1 3
C4H4N2 1,3-Diazine rCH 1.082   1.083 0.001 2 8
HS Mercapto radical rSH 1.341   1.342 0.001 1 2
C6H6 Fulvene rC=C 1.349 ±0.002 1.350 0.001 1 2
CH3COCH2CH3 2-Butanone rCH 1.091   1.092 0.001 1 6
DS Mercapto-d rSD 1.341   1.342 0.002 1 2
C4H10O Propane, 2-methoxy- rCH 1.095   1.097 0.002 1 2
CH3OCHO methyl formate rCH 1.086   1.088 0.002 1 5
SiH3F monofluorosilane rSiH 1.476   1.478 0.002 1 3
CH2ClCH2Cl Ethane, 1,2-dichloro- rCC 1.531   1.533 0.002 1 2
CH2NN diazomethane rCH 1.075   1.077 0.002 1 4
CH3SCH2CH3 Ethane, (methylthio)- rCH 1.092   1.094 0.002 1 3
C2H2+ acetylene cation rCH 1.077 ±0.005 1.079 0.002 1 3
SiH3+ Silyl cation rSiH 1.460 ±0.010 1.462 0.002 1 2
CH3NO3 Methyl nitrate rCH 1.088   1.090 0.002 5 6
SiHCl3 Trichlorosilane rSiCl 2.020   2.022 0.002 1 3
CH3CHS Thioacetaldehyde rCH 1.090   1.092 0.002 2 5
C2H5F fluoroethane rCH 1.091 ±0.007 1.094 0.003 2 6
Br2 Bromine diatomic rBrBr 2.281   2.284 0.003 1 2
C4H10O Ethoxy ethane rCH 1.092   1.095 0.003 4 10
C5H6 1-Buten-3-yne, 2-methyl- rCC 1.445   1.448 0.003 7 8
C4H10O Ethoxy ethane rCH 1.090   1.093 0.003 4 12
SiHCl3 Trichlorosilane rSiH 1.464   1.467 0.003 1 2
HSSSH trisulfane rSS 2.054 ±0.000 2.057 0.003 1 2
C2H5F fluoroethane rCH 1.090 ±0.007 1.093 0.003 2 7
C6H6 Fulvene rCH 1.080 ±0.005 1.083 0.003 5 11
Si2 Silicon diatomic rSiSi 2.246   2.249 0.003 1 2
HCCCN Cyanoacetylene rCH 1.062 ±0.001 1.066 0.003 4 5
CH2CCHCH3 1,2-Butadiene rC=C 1.314   1.317 0.003 1 2
CH3CHFCH3 2-Fluoropropane rCH 1.092   1.095 0.003 1 3
CBrClF2 Methane, bromochlorodifluoro- rCBr 1.932 ±0.004 1.935 0.003 1 2
C5H10 2-Pentene, (Z)- rCH 1.092   1.095 0.003 1 2
CH3CHS Thioacetaldehyde rCH 1.089   1.092 0.003 1 4
CH3SeH Methane selenol rSeH 1.473 ±0.020 1.477 0.004 1 3
CH3SCH2CH3 Ethane, (methylthio)- rCH 1.090   1.094 0.004 9 11
C3H7SH 1-Propanethiol rCH 1.090   1.094 0.004 8 10
C6H5OCH3 Anisole rCO 1.399   1.403 0.004 1 7
C3H7SH 1-Propanethiol rCH 1.092   1.096 0.004 5 7
CH3CH2Cl Ethyl chloride rCH 1.086   1.090 0.004 2 7
CH3NH2 methyl amine rNH 1.018 ±0.001 1.022 0.004 2 6
CH3CCH propyne rCH 1.060   1.064 0.004 3 4
C6H5OH phenol rCH 1.082   1.086 0.004 4 11
C3H6O 2-Propen-1-ol rCH 1.096 ±0.030 1.100 0.004 1 5
DCl Hydrochloric acid-d rDCl 1.275 ±0.000 1.279 0.004 1 2
CH3CH(CH3)CH3 Isobutane rCH 1.092   1.096 0.004 3 9
C6H12 Cyclohexane rCH 1.093   1.098 0.004 1 13
CH3CHClCH3 Propane, 2-chloro- rCH 1.092   1.096 0.004 3 6
SiS silicon monosulfide rSiS 1.929 ±0.000 1.934 0.005 1 2
C10H8 Azulene rC:C 1.414   1.419 0.005 7 9
HCl Hydrogen chloride rHCl 1.275 ±0.000 1.279 0.005 1 2
C5H10 Cyclopropane, 1,1-dimethyl- rCH 1.080   1.085 0.005 2 6
CH3I methyl iodide rCH 1.084 ±0.003 1.089 0.005 1 3
C10H8 Azulene rCH 1.080   1.084 0.005 9 17
CH3SCH2CH3 Ethane, (methylthio)- rCH 1.089   1.094 0.005 9 10
C6H5OH phenol rCH 1.084   1.089 0.005 2 9
SiF silicon monofluoride rSiF 1.604   1.609 0.005 1 2
C4H4N2 Succinonitrile rCC 1.561   1.566 0.005 1 2
C6H12 (E)-3-methylpent-2-ene rCC 1.551   1.556 0.005 9 12
C2H3Cl Ethene, chloro- rCH 1.079   1.084 0.005 2 5
C6H6 Fulvene rCH 1.078 ±0.005 1.083 0.005 3 9
HS- mercapto anion rSH 1.343   1.348 0.005 1 2
CH2F2 Methane, difluoro- rCH 1.084 ±0.003 1.089 0.005 1 2
CH2CHF Ethene, fluoro- rCH 1.077   1.082 0.005 2 5
SeCl2 Selenium Dichloride rClSe 2.157 ±0.003 2.162 0.005 1 2
CH4 Methane rCH 1.087 ±0.001 1.092 0.005 1 2
C4H5N (E)-2-Butenenitrile rCC 1.432   1.438 0.006 8 10
CH3OC2H5 Ethane, methoxy- rCH 1.086 ±0.010 1.092 0.006 1 5
CH3OC2H5 Ethane, methoxy- rCH 1.089 ±0.008 1.095 0.006 4 10
CH3CHFCH3 2-Fluoropropane rCH 1.088 ±0.006 1.094 0.006 4 6
CH3COCH2CH3 2-Butanone rCH 1.093   1.099 0.006 3 12
C5H5N Pyridine rC:C 1.400   1.406 0.006 2 5
C10H8 Azulene rCH 1.084   1.090 0.006 4 14
C2H3 vinyl rCH 1.085   1.091 0.006 2 4
HSe Selenium monohydride rSeH 1.475 ±0.010 1.481 0.006 1 2
CH3CH2Cl Ethyl chloride rCH 1.090   1.096 0.006 1 3
CH3CHO Acetaldehyde rCH 1.086   1.092 0.006 2 5
CH3OCH3 Dimethyl ether rCH 1.085 ±0.001 1.091 0.006 2 4
C4H4N2 1,3-Diazine rCH 1.079   1.085 0.006 3 9
CH3CH2OH Ethanol rCH 1.088   1.094 0.006 1 5
As4 Arsenic tetramer rAsAs 2.435   2.441 0.006 1 2
CH3Br methyl bromide rCH 1.082 ±0.001 1.089 0.006 1 3
CBr4 Carbon tetrabromide rCBr 1.942 ±0.002 1.949 0.007 1 2
BH3 boron trihydride rBH 1.190   1.197 0.007 1 2
NH4+ ammonium cation rHN 1.029 ±0.000 1.035 0.007 1 2
BrF3 Bromine trifluoride rFBr 1.810 ±0.000 1.817 0.007 1 3
C6H5OH phenol rC:C 1.398   1.405 0.007 1 2
CH3NHCH3 Dimethylamine rCH 1.098   1.105 0.007 3 5
CH3OCl methyl hypochlorite rCH 1.086 ±0.018 1.093 0.007 3 5
CH3COCl Acetyl Chloride rCC 1.506   1.513 0.007 1 2
PCl phosphorus chloride rPCl 2.018   2.025 0.007 1 2
C2H6O2S Dimethyl sulfone rCS 1.777 ±0.006 1.784 0.007 1 4
C4H4N2 Succinonitrile rCC 1.465   1.472 0.007 1 3
LiOH lithium hydroxide rOH 0.969   0.976 0.007 1 3
C3H6O 2-Propen-1-ol rCH 1.078 ±0.010 1.085 0.007 3 8
CH3CSNH2 Ethanethioamide rC=S 1.647 ±0.002 1.655 0.008 1 2
CH3SCH2CH3 Ethane, (methylthio)- rCH 1.087   1.095 0.008 1 2
C6H10 1-Butyne, 3,3-dimethyl- rCH 1.056 ±0.001 1.064 0.008 6 7
AlH aluminum monohydride rAlH 1.648   1.656 0.008 1 2
C10H8 Azulene rC:C 1.398   1.406 0.008 1 3
GaAs Gallium arsenide rGa#As 2.530 ±0.020 2.538 0.008 1 2
BN boron nitride rB=N 1.325   1.333 0.008 1 2
AsF5 Arsenic pentafluoride rAsF 1.711 ±0.005 1.719 0.008 1 5
CH3CH2O Ethoxy radical rCH 1.085   1.094 0.009 1 5
CH3CH2O Ethoxy radical rCH 1.086   1.095 0.009 1 4
SiH2F2 difluorosilane rSiH 1.462   1.470 0.009 1 4
AsH Arsenic monohydride rAsH 1.535 ±0.001 1.544 0.009 1 2
CHONH2 formamide rNH 1.001   1.011 0.010 3 6
C10H8 Azulene rCH 1.081   1.091 0.010 1 11
SiF2 Silicon difluoride rFSi 1.590 ±0.000 1.600 0.010 1 2
C5H8 Ethenylcyclopropane rCC 1.475   1.485 0.010 1 2
CH3NH2 methyl amine rCH 1.093 ±0.000 1.103 0.010 1 3
C4H5N Cyclopropanecarbonitrile rCC 1.513   1.523 0.010 9 10
PF5 Phosphorus pentafluoride rFP 1.577   1.587 0.010 1 5
CH3NHCH3 Dimethylamine rCH 1.084   1.094 0.010 3 9
CH2CHCH2CH2Cl 1-Butene, 4-chloro- rCC 1.508   1.518 0.010 2 6
CH3CH2O Ethoxy radical rCH 1.088   1.099 0.011 2 7
AlI Aluminum monoiodide rAlI 2.537 ±0.000 2.548 0.011 1 2
C3H8O2 1,3-Propanediol rOH 0.980   0.991 0.011 6 8
C10H8 Azulene rCH 1.083   1.093 0.011 5 15
C3H7N Cyclopropylamine rCH 1.080   1.091 0.011 1 2
C6H5OH phenol rCH 1.076   1.087 0.011 3 10
C5H10 Cyclopropane, 1,1-dimethyl- rCC 1.514   1.525 0.011 1 4
C6H6 Fulvene rC=C 1.355 ±0.004 1.366 0.011 3 5
GeH3F monofluorogermane rGeF 1.731 ±0.000 1.742 0.011 1 2
SiH3F monofluorosilane rSiF 1.595   1.606 0.011 1 2
H2CS Thioformaldehyde rC=S 1.611   1.622 0.011 1 2
HNCNH diiminomethane rC=N 1.224 ±0.001 1.235 0.011 1 2
LiBr Lithium Bromide rLiBr 2.170 ±0.000 2.182 0.011 1 2
C8H8 cyclooctatetraene rCH 1.079 ±0.001 1.091 0.012 1 9
SiI4 silicon tetraiodide rSiI 2.432 ±0.005 2.444 0.012 1 2
CHONH2 formamide rNH 1.001   1.013 0.012 3 5
AlNC Aluminum isocyanide rAlN 1.855 ±0.005 1.867 0.012 1 2
BS boron sulfide rBS 1.609   1.622 0.012 1 2
C4H8O2 Ethyl acetate rCC 1.508   1.520 0.012 1 2
C3H5ClO Oxirane, (chloromethyl)- rCC 1.475   1.488 0.013 3 4
C8H8 cyclooctatetraene rC=C 1.337 ±0.001 1.350 0.013 1 2
SCSe Carbon sulfide selenide rC=S 1.553 ±0.002 1.566 0.013 1 2
HBr+ hydrogen bromide cation rHBr 1.448   1.461 0.013 1 2
BH Boron monohydride rBH 1.232   1.245 0.013 1 2
KrH+ Protonated Krypton rHKr 1.421 ±0.000 1.434 0.013 1 2
MgS magnesium sulfide rMgS 2.143   2.155 0.013 1 2
CH3COCH2CH3 2-Butanone rCC 1.531   1.544 0.013 3 4
CH3CH2OH Ethanol rCH 1.086   1.099 0.013 2 8
C6H8 (Z)-hexa-1,3,5-triene rC=C 1.337   1.350 0.013 3 5
C5H5N Pyridine rC:C 1.390   1.404 0.014 3 5
NH2CONH2 Urea rNH 0.998   1.012 0.014 4 8
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile rCC 1.514   1.528 0.014 3 9
HBr hydrogen bromide rHBr 1.414 ±0.000 1.429 0.015 1 2
C2H Ethynyl radical rCH 1.047   1.061 0.015 1 3
C5H8 1,3-Butadiene, 2-methyl- rCC 1.512   1.527 0.015 2 5
C10H8 Azulene rC:C 1.405 ±0.001 1.420 0.015 2 9
C2H2+ acetylene cation rC=C 1.253 ±0.001 1.268 0.015 1 2
CH3CH(NH2)COOH Alanine rCC 1.544   1.559 0.015 3 4
H2Se Hydrogen selenide rSeH 1.460   1.475 0.015 1 2
C7H16 heptane rCC 1.534   1.549 0.015 1 2
NaCl Sodium Chloride rNaCl 2.361 ±0.000 2.376 0.016 1 2
CH3CH2CHO Propanal rCC 1.509   1.525 0.016 2 3
CH Methylidyne rCH 1.120   1.136 0.016 1 2
C6H10 1-Butyne, 3,3-dimethyl- rC#C 1.209 ±0.001 1.225 0.016 1 6
C5H8 Cyclopentene rCC 1.518   1.534 0.016 2 4
AsF Arsenic monofluoride rFAs 1.736 ±0.001 1.752 0.016 1 2
PF phosphorus monofluoride rFP 1.593   1.609 0.016 1 2
PCl5 Phosphorus pentachloride rPCl 2.124   2.140 0.016 1 5
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile rCC 1.518   1.534 0.016 3 7
SOF4 Sulfur tetrafluoride oxide rFS 1.596 ±0.003 1.612 0.016 1 3
C4H8O2 Ethyl acetate rCC 1.515   1.531 0.016 5 6
PF2 Phosphorus difluoride rPF 1.579   1.596 0.017 1 2
SCl2 Sulfur dichloride rSCl 2.013 ±0.001 2.030 0.017 1 2
C8H8 cyclooctatetraene rCC 1.470 ±0.001 1.488 0.017 1 5
SCl sulfur monochloride rSCl 1.975   1.993 0.017 1 2
S2 Sulfur diatomic rS=S 1.889   1.907 0.018 1 2
C5H8O Methyl cyclopropyl ketone rCC 1.510   1.528 0.018 2 3
BrCl Bromine monochloride rClBr 2.136 ±0.000 2.154 0.018 1 2
AlC Aluminum carbide rC=Al 1.955   1.973 0.018 1 2
OCSe Carbonyl selenide rC=Se 1.709   1.727 0.018 1 3
CH3CH2CH2CH3 Butane rCC 1.531   1.549 0.018 1 2
C4H10O Ethoxy ethane rCC 1.517   1.535 0.018 2 4
Si(CH3)4 tetramethylsilane rSiC 1.875 ±0.002 1.893 0.018 1 2
N(CH3)3 Trimethylamine rCH 1.088   1.106 0.018 2 5
SiF4 Silicon tetrafluoride rSiF 1.554   1.573 0.019 1 2
C10H8 Azulene rC:C 1.377   1.396 0.019 5 7
ClCN chlorocyanogen rCCl 1.629   1.648 0.019 1 2
C2H2 Acetylene rC#C 1.203   1.222 0.019 1 2
C3H7SH 1-Propanethiol rCC 1.529   1.548 0.019 7 10
C10H8 naphthalene rC:C 1.410   1.429 0.019 2 3
BeH2 beryllium dihydride rBeH 1.326 ±0.000 1.346 0.019 1 2
AsF3 Arsenic trifluoride rAsF 1.706 ±0.002 1.725 0.019 1 2
CFCl3 Trichloromonofluoromethane rCCl 1.764 ±0.001 1.783 0.020 1 3
CHClCCl2 Trichloroethylene rCCl 1.712   1.732 0.020 2 6
C3H5 Allyl radical rCH 1.069   1.089 0.020 1 2
GeS Germanium monosulfide rS=Ge 2.012 ±0.000 2.032 0.020 1 2
C4H4N2 1,3-Diazine rC:N 1.350   1.370 0.020 3 5
CH2CHCH2CH3 1-Butene rCC 1.536   1.556 0.020 1 2
SSO Disulfur monoxide rS=S 1.884   1.905 0.021 2 3
CH3CH2CHO Propanal rCC 1.523   1.544 0.021 1 2
CH3SCH2CH3 Ethane, (methylthio)- rCS 1.804   1.825 0.021 8 9
SCSe Carbon sulfide selenide rC=Se 1.695 ±0.002 1.716 0.021 1 3
AsH3 Arsine rAsH 1.511 ±0.000 1.532 0.021 1 2
C5H8 1,3-Butadiene, 2-methyl- rCC 1.463   1.484 0.021 2 3
OPCl Phosphorus oxychloride rPCl 2.059 ±0.004 2.080 0.021 1 3
CH2NN diazomethane rN=N 1.139   1.160 0.021 2 3
C4H4N2 Pyridazine rCH 1.064   1.085 0.021 1 5
C5H6 Bicyclo[2.1.0]pent-2-ene rCC 1.530   1.551 0.021 1 3
IBr Iodine monobromide rBrI 2.469 ±0.000 2.490 0.021 1 2
CH2I2 Diiodomethane rCH 1.066 ±0.015 1.088 0.022 1 4
XeF2 Xenon difluoride rFXe 1.974 ±0.000 1.996 0.022 1 2
BeH beryllium monohydride rBeH 1.343   1.364 0.022 1 2
CH3COCH2CH3 2-Butanone rCC 1.512   1.534 0.022 2 3
CS carbon monosulfide rC#S 1.535   1.557 0.022 1 2
BeF Beryllium monofluoride rBeF 1.361   1.383 0.022 1 2
CHBr3 bromoform rCBr 1.924 ±0.005 1.947 0.023 1 3
SOCl2 thionyl chloride rS=O 1.443 ±0.006 1.466 0.023 1 2
ClOF3 Chlorine trifluoride oxide rFCl 1.713 ±0.003 1.736 0.023 1 4
Se2 Selenium diatomic rSe=Se 2.166 ±0.001 2.189 0.023 1 2
CHClCCl2 Trichloroethylene rCCl 1.720   1.744 0.024 2 5
CH3NH2 methyl amine rCN 1.471 ±0.003 1.495 0.024 1 2
MgCl magnesium monochloride rMgCl 2.199   2.223 0.024 1 2
MgH magnesium monohydride rMgH 1.730   1.754 0.024 1 2
CH3SCH2CH3 Ethane, (methylthio)- rCS 1.804   1.828 0.024 5 8
HClO4 perchloric acid rOH 0.980   1.005 0.025 3 6
C3O2 Carbon suboxide rC=C 1.251   1.276 0.025 1 2
GeH germylidene rGeH 1.588   1.613 0.025 1 2
C3F6 hexafluoropropene rCF 1.329 ±0.003 1.354 0.025 1 4
H2CSe Selenoformaldehyde rC=Se 1.753   1.778 0.025 1 2
GeCl Germanium monochloride rClGe 2.164 ±0.000 2.189 0.025 1 2
C4H6O Cyclobutanone rCC 1.556   1.581 0.025 3 5
NH Imidogen rNH 1.036   1.062 0.026 1 2
CSe2 Carbon diselenide rC=Se 1.692 ±0.000 1.718 0.026 1 2
PF5 Phosphorus pentafluoride rPF 1.534   1.560 0.026 1 2
C6H6 Fulvene rCC 1.476 ±0.008 1.502 0.026 5 6
C5H8 Cyclobutane, methylene- rCC 1.524   1.550 0.026 1 3
C5H8O 2H-Pyran, 3,4-dihydro- rCC 1.516   1.542 0.026 10 13
CH2Br2 dibromomethane rCBr 1.925 ±0.002 1.951 0.026 1 4
CH2CHCH2CH3 1-Butene rCC 1.493   1.520 0.027 2 3
C2H5F fluoroethane rCC 1.505 ±0.007 1.532 0.027 1 2
P2 Phosphorus diatomic rP#P 1.893   1.920 0.027 1 2
C6H6 Fulvene rCC 1.470 ±0.004 1.497 0.027 1 3
HO2 Hydroperoxy radical rOH 0.971   0.998 0.027 1 3
XeF4 Xenon tetrafluoride rFXe 1.935 ±0.000 1.962 0.027 1 2
BCl boron monochloride rBCl 1.719 ±0.000 1.747 0.027 1 2
CH2ClCH2Cl Ethane, 1,2-dichloro- rCCl 1.790   1.817 0.027 1 3
CH3COCl Acetyl Chloride rC=O 1.187   1.214 0.027 1 3
BeS beryllium sulfide rBe=S 1.742   1.769 0.028 1 2
B2 Boron diatomic rBB 1.590   1.618 0.028 1 2
C3H4O Cyclopropanone rCC 1.575   1.603 0.028 3 4
C2 Carbon diatomic rC=C 1.243   1.271 0.029 1 2
F2SO Thionyl Fluoride rFS 1.585 ±0.000 1.614 0.029 1 3
GeF+ Germanium monofluoride cation rFGe 1.665 ±0.000 1.694 0.029 1 2
N3 azide radical rNN 1.181   1.210 0.029 1 2
HClO4 perchloric acid rO=Cl 1.414 ±0.001 1.443 0.029 1 2
C5H8 Bicyclo[2.1.0]pentane rCC 1.528   1.557 0.029 1 3
C3H6 Cyclopropane rCC 1.501   1.530 0.029 1 2
CH2Cl2 Methylene chloride rCCl 1.767 ±0.002 1.797 0.030 1 4
NH3BF3 Amminetrifluoroboron rBN 1.673   1.703 0.030 1 2
CH3CH(NH2)COOH Alanine rCC 1.509   1.539 0.030 2 3
Cl2 Chlorine diatomic rClCl 1.988   2.018 0.030 1 2
CHF2Cl difluorochloromethane rCF 1.350 ±0.010 1.380 0.030 1 4
S2+ sulfur diatomic cation rS=S 1.825 ±0.010 1.855 0.030 1 2
HOCl hypochlorous acid rOH 0.973 ±0.002 1.004 0.030 1 2
CH3Br methyl bromide rCBr 1.934 ±0.000 1.965 0.031 1 2
CH3NC methyl isocyanide rCN 1.426 ±0.003 1.457 0.031 1 2
H2O Water rOH 0.958 ±0.000 0.989 0.031 1 2
C5H10 2-Pentene, (Z)- rCC 1.490   1.522 0.032 8 14
C4H6 Methylenecyclopropane rCC 1.457   1.489 0.032 2 5
ClCN chlorocyanogen rC#N 1.161   1.192 0.032 2 3
Cl2+ chlorine diatomic cation rClCl 1.892   1.924 0.033 1 2
PO2 Phosphorus dioxide rP=O 1.467   1.499 0.033 1 2
C4H6 Bicyclo[1.1.0]butane rCC 1.497   1.530 0.033 1 2
C5H10 2-Pentene, (Z)- rCH 1.058   1.091 0.033 12 13
CH3NC methyl isocyanide rC#N 1.166 ±0.003 1.199 0.033 2 3
BeCl beryllium monochloride rBeCl 1.797   1.830 0.033 1 2
MgOH magnesium hydroxide rOH 0.940   0.973 0.033 1 3
MgH+ magnesium monohydride cation rMgH 1.652   1.685 0.033 1 2
C5H8 Bicyclo[2.1.0]pentane rCC 1.565   1.599 0.034 3 4
CH2FCl fluorochloromethane rCF 1.370 ±0.001 1.404 0.034 1 2
C2H6O2S Dimethyl sulfone rS=O 1.431 ±0.004 1.465 0.034 1 2
ICN Cyanogen iodide rC#N 1.160 ±0.000 1.195 0.035 2 3
CCl2O Phosgene rC=O 1.177   1.211 0.035 1 2
PF+ phosphorus monofluoride cation rFP 1.500   1.535 0.035 1 2
F2SO Thionyl Fluoride rO=S 1.413 ±0.000 1.448 0.035 1 2
OCSe Carbonyl selenide rC=O 1.159   1.194 0.035 1 2
BO boron monoxide rB=O 1.205   1.240 0.035 1 2
C4H8O2 Ethyl acetate rC=O 1.203   1.238 0.035 2 4
CH2CO Ketene rC=O 1.162   1.198 0.036 2 3
C2H5F fluoroethane rCF 1.398 ±0.007 1.434 0.036 1 3
HI Hydrogen iodide rHI 1.609 ±0.000 1.645 0.036 1 2
CH2NN diazomethane rC=N 1.300   1.336 0.036 1 2
C4H6 Cyclobutene rCC 1.517   1.553 0.036 1 3
DO Hydroxyl-d rDO 0.970   1.006 0.036 1 2
C5H7N Cyclobutanecarbonitrile rCC 1.551   1.587 0.036 3 6
OH Hydroxyl radical rOH 0.970   1.006 0.036 1 2
HOI Hypoiodous acid rOH 0.967 ±0.008 1.003 0.036 1 3
H2Te Hydrogen Telluride rHTe 1.651 ±0.000 1.688 0.037 1 2
SbH3 Stibine rSbH 1.700 ±0.000 1.737 0.037 1 2
GeH3F monofluorogermane rGeH 1.515 ±0.000 1.552 0.038 1 3
BF3 Borane, trifluoro- rBF 1.307   1.345 0.038 1 2
C4H4N2 1,3-Diazine rC:N 1.328   1.366 0.038 2 6
TeH Telluryl radical rHTe 1.656 ±0.000 1.694 0.038 1 2
SF4 Sulfur tetrafluoride rSF 1.545 ±0.003 1.583 0.038 1 4
CN- cyanide anion rC#N 1.177 ±0.004 1.215 0.038 1 2
OPCl Phosphorus oxychloride rP=O 1.462 ±0.011 1.501 0.039 1 2
COBr2 Carbonic dibromide rC=O 1.172 ±0.003 1.211 0.039 1 2
C6H5OCH3 Anisole rCO 1.433   1.473 0.040 7 8
CF3COOH trifluoroacetic acid rC=O 1.192 ±0.003 1.232 0.040 2 4
IF Iodine monofluoride rFI 1.910   1.950 0.040 1 2
C5H10 2-Pentene, (E)- rCC 1.484   1.524 0.040 4 11
CCl2O Phosgene rCCl 1.737   1.777 0.041 2 3
C6H5OH phenol rCO 1.364   1.405 0.041 1 7
C2HF3 Trifluoroethylene rCF 1.316 ±0.011 1.357 0.041 1 3
DF Hydrofluoric acid-d rDF 0.917 ±0.000 0.959 0.042 1 2
HF Hydrogen fluoride rHF 0.917 ±0.000 0.959 0.042 1 2
AlN Aluminum nitride rN#Al 1.786   1.829 0.042 1 2
BrF Bromine monofluoride rFBr 1.759 ±0.000 1.801 0.042 1 2
HNCO Isocyanic acid rC=O 1.164   1.206 0.042 3 4
AsF5 Arsenic pentafluoride rAsF 1.656 ±0.004 1.698 0.042 1 2
SOF4 Sulfur tetrafluoride oxide rFS 1.539 ±0.003 1.582 0.043 1 5
CFCl3 Trichloromonofluoromethane rCF 1.345 ±0.003 1.388 0.043 1 2
CO Carbon monoxide rC#O 1.128 ±0.000 1.171 0.043 1 2
HOBr Hypobromous acid rOH 0.961   1.004 0.043 1 2
SiO Silicon monoxide rSiO 1.510 ±0.000 1.553 0.043 1 2
CHF2Cl difluorochloromethane rCCl 1.747 ±0.010 1.790 0.043 1 3
C2Cl2 dichloroacetylene rCCl 1.612 ±0.030 1.655 0.044 1 3
HF+ hydrogen fluoride cation rHF 1.014   1.058 0.044 1 2
CHF3 Methane, trifluoro- rCF 1.328 ±0.003 1.372 0.044 1 3
C3H3NO Oxazole rCO 1.357 ±0.003 1.402 0.044 1 2
CSe Carbon monoselenide rC=Se 1.676 ±0.000 1.720 0.044 1 2
ClFO3 Perchloryl fluoride rCl=O 1.400   1.444 0.044 2 3
CH2FCl fluorochloromethane rCCl 1.762 ±0.000 1.806 0.044 1 3
C4H6O Cyclobutanone rCC 1.527   1.572 0.045 2 3
NaH sodium hydride rNaH 1.887 ±0.000 1.931 0.045 1 2
C3H3NO Oxazole rCO 1.370 ±0.002 1.414 0.045 1 5
I2 Iodine diatomic rII 2.665   2.711 0.045 1 2
HCCl Chloromethylene rCCl 1.696 ±0.003 1.742 0.046 1 2
BF Boron monofluoride rBF 1.267 ±0.000 1.313 0.046 1 2
C5H6 Propellane rCC 1.525 ±0.002 1.572 0.047 1 2
CH2F2 Methane, difluoro- rCF 1.351 ±0.001 1.398 0.047 1 4
C3H8O2 Methane, dimethoxy- rCO 1.432   1.479 0.047 4 6
C5H8O Cyclopentanone rCC 1.504   1.553 0.049 2 3
HClO4 perchloric acid rO=Cl 1.404 ±0.001 1.453 0.049 1 4
C10H8 Azulene rC:C 1.484   1.534 0.050 7 8
CH3OCHO methyl formate rCO 1.334   1.385 0.051 2 3
C4H8O2 Ethyl acetate rCO 1.345   1.396 0.051 2 3
N2 Nitrogen diatomic rN#N 1.098   1.149 0.051 1 2
F2 Fluorine diatomic rFF 1.412   1.463 0.051 1 2
HOBr Hypobromous acid rBrO 1.834   1.885 0.051 2 3
TeO Tellurium monoxide rO=Te 1.825   1.876 0.051 1 2
BrF3 Bromine trifluoride rFBr 1.721   1.772 0.051 1 2
HClO4 perchloric acid rOCl 1.641 ±0.002 1.693 0.052 1 3
AlO Aluminum monoxide rAlO 1.618   1.670 0.052 1 2
CH3OC2H5 Ethane, methoxy- rCO 1.415 ±0.005 1.467 0.052 1 2
CH3ONO Methyl nitrite rCO 1.437   1.489 0.052 1 2
C5H12O Butane, 1-methoxy- rCO 1.415   1.467 0.052 3 4
ICl Iodine monochloride rClI 2.321 ±0.000 2.373 0.053 1 2
CaOH Calcium monohydroxide rOH 0.930 ±0.007 0.983 0.053 2 3
ICN Cyanogen iodide rCI 1.992 ±0.000 2.045 0.053 1 2
CCl2 dichloromethylene rCCl 1.711   1.765 0.054 1 2
NSe Nitrogen monoselenide rN=Se 1.652   1.706 0.054 1 2
CF Fluoromethylidyne rCF 1.276   1.331 0.054 1 2
CH3OCHO methyl formate rCO 1.437   1.492 0.055 1 2
CH3OCH3 Dimethyl ether rCO 1.411 ±0.001 1.467 0.056 1 2
As2 Arsenic diatomic rAs#As 2.103   2.159 0.056 1 2
PO Phosphorus monoxide rP=O 1.476   1.532 0.056 1 2
C3O2 Carbon suboxide rC=O 1.146   1.203 0.057 2 4
HOI Hypoiodous acid rOI 1.994 ±0.000 2.051 0.057 1 2
LiH Lithium Hydride rLiH 1.595 ±0.000 1.652 0.057 1 2
NS+ nitrogen sulfide cation rNS 1.440   1.497 0.057 1 2
CI4 tetraiodomethane rCI 2.157 ±0.010 2.215 0.058 1 2
C4H10O Propane, 2-methoxy- rCO 1.422   1.480 0.058 5 14
NH2F monofluoroamine rNF 1.433   1.491 0.058 1 2
TiCl Titanium Monochloride rClTi 2.265 ±0.000 2.324 0.059 1 2
BrF5 bromine pentafluoride rFBr 1.689 ±0.008 1.749 0.060 1 2
C4H10O Ethoxy ethane rCO 1.411   1.471 0.060 1 2
SF Monosulfur monofluoride rSF 1.599   1.660 0.060 1 2
PN Phosphorus mononitride rP#N 1.491   1.552 0.061 1 2
N2O3 Dinitrogen trioxide rN=O 1.217   1.278 0.061 2 5
ClF Chlorine monofluoride rFCl 1.628 ±0.000 1.690 0.061 1 2
CH2C(CH3)OCH3 1-Propene, 2-methoxy- rCO 1.416   1.478 0.062 1 5
C5H8 Bicyclo[2.1.0]pentane rCC 1.507   1.569 0.062 1 2
SeO Selenium monoxide rSeO 1.639 ±0.001 1.702 0.063 1 2
C4H8O2 1,3-Dioxane rCO 1.393   1.456 0.063 1 2
CH3I methyl iodide rCI 2.136 ±0.002 2.199 0.063 1 2
CH3OC2H5 Ethane, methoxy- rCO 1.407 ±0.004 1.470 0.063 2 3
CCl carbon monochloride rCCl 1.649   1.713 0.064 1 2
PO- phosphorus monoxide anion rOP 1.540   1.604 0.064 1 2
SSO Disulfur monoxide rS=O 1.456   1.521 0.065 1 2
GeO Germanium monoxide rOGe 1.625   1.690 0.066 1 2
ClO Monochlorine monoxide rClO 1.596 ±0.001 1.662 0.066 1 2
LiI Lithium Iodide rLiI 2.392 ±0.000 2.458 0.066 1 2
SO Sulfur monoxide rS=O 1.481   1.547 0.066 1 2
SeO2 Selenium dioxide rSeO 1.607 ±0.001 1.675 0.068 1 2
LiCl lithium chloride rLiCl 2.021 ±0.000 2.089 0.068 1 2
BrO Bromine monoxide rOBr 1.718   1.786 0.068 1 2
HOCl hypochlorous acid rClO 1.697 ±0.001 1.766 0.069 1 3
C3H8O2 Methane, dimethoxy- rCO 1.382   1.451 0.069 1 4
ClFO3 Perchloryl fluoride rFCl 1.598   1.668 0.070 1 2
CH2C(CH3)OCH3 1-Propene, 2-methoxy- rCO 1.353   1.423 0.070 5 10
SO+ sulfur monoxide cation rO=S 1.424   1.494 0.070 1 2
FNO2 Nitryl fluoride rNF 1.467 ±0.015 1.538 0.071 1 2
FNO2 Nitryl fluoride rN=O 1.180 ±0.005 1.251 0.071 1 3
BeO beryllium oxide rBe=O 1.331   1.404 0.073 1 2
NO+ nitric oxide cation rN=O 1.066   1.140 0.074 1 2
HO2 Hydroperoxy radical rOO 1.331   1.405 0.075 1 2
ClOF3 Chlorine trifluoride oxide rFCl 1.603 ±0.004 1.680 0.077 1 3
NF nitrogen fluoride rNF 1.317   1.394 0.077 1 2
CH3COCl Acetyl Chloride rCCl 1.798   1.877 0.079 1 4
NO- nitric oxide anion rN=O 1.258 ±0.010 1.340 0.082 1 2
C4H8O2 Ethyl acetate rCO 1.448   1.531 0.083 5 6
He2+ helium diatomic cation rHeHe 1.081 ±0.001 1.164 0.084 1 2
N2O3 Dinitrogen trioxide rN=O 1.202   1.286 0.084 2 4
OH- hydroxide anion rOH 0.964   1.049 0.085 1 2
CH3ONO Methyl nitrite rNO 1.398   1.484 0.086 2 6
KBr Potassium Bromide rKBr 2.821 ±0.000 2.908 0.087 1 2
F2O Difluorine monoxide rFO 1.405   1.494 0.089 1 2
CH3ONO Methyl nitrite rN=O 1.182   1.274 0.092 6 7
CH2O2 Dioxirane rCO 1.388 ±0.004 1.481 0.093 1 4
NCl nitrogen monochloride rNCl 1.611 ±0.000 1.704 0.093 1 2
CFCl chlorofluoromethylene rCCl 1.714   1.810 0.096 1 3
CaOH Calcium monohydroxide rOCa 1.976 ±0.004 2.074 0.098 1 2
CH2O2 Dioxirane rOO 1.516 ±0.003 1.614 0.098 4 5
HNO3 Nitric acid rNO 1.406   1.504 0.098 1 2
CH3NO3 Methyl nitrate rNO 1.402   1.503 0.101 1 4
N2O3 Dinitrogen trioxide rN=O 1.142   1.244 0.102 1 3
CrH Chromium hydride rHCr 1.655 ±0.001 1.759 0.104 1 2
Li2 Lithium diatomic rLiLi 2.673   2.794 0.121 1 2
CaBr Calcium monobromide rCaBr 2.594 ±0.000 2.717 0.123 1 2
KH Potassium hydride rKH 2.243 ±0.001 2.367 0.125 1 2
C5H6 Propellane rCC 1.596 ±0.005 1.728 0.132 2 5
CaC Calcium monocarbide rC#Ca 2.302   2.461 0.160 1 2
FO Oxygen monofluoride rFO 1.354   1.526 0.171 1 2
O2 Oxygen diatomic rO=O 1.208   1.392 0.184 1 2
CaH Calcium monohydride rCaH 2.003 ±0.000 2.188 0.186 1 2
CaCl calcium monochloride rClCa 2.437   2.632 0.195 1 2
CaO Calcium monoxide rOCa 1.822   2.023 0.200 1 2
KCl Potassium Chloride rKCl 2.667 ±0.000 2.876 0.209 1 2
Al2Cl6 Aluminum, di-μ-chlorotetrachlorodi- rAlCl 2.040 ±0.040 2.257 0.217 1 3
C4H10O Methyl propyl ether rCH 1.099   1.468 0.369 1 2
593 molecules.