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IV.D.8.

Average Bond Length Differences by Model Chemistry

Calculated at B1B95/6-31G**

Species Name Bond type Bond Length (Å)
Experimental unc. Calculated Difference atom1 atom2
B2 Boron diatomic rBB 1.590   1.469 -0.121 1 2
CuO Copper Monoxide rCuO 1.724 ±0.000 1.629 -0.095 1 2
CuF Copper monofluoride rCuF 1.745 ±0.000 1.665 -0.080 1 2
NaK Sodium Potassium rNaK 3.589 ±0.010 3.513 -0.076 1 2
PCl5 Phosphorus pentachloride rPCl 2.214   2.143 -0.071 1 5
C5H10 2-Pentene, (E)- rCC 1.576   1.520 -0.056 11 15
CuCl Copper monochloride rCuCl 2.051 ±0.000 1.998 -0.053 1 2
C5H6 Bicyclo[2.1.0]pent-2-ene rCC 1.560   1.510 -0.050 3 5
CuH Copper monohydride rHCu 1.463   1.414 -0.048 1 2
C2Cl2 dichloroacetylene rC#C 1.246 ±0.030 1.205 -0.041 1 2
C5H8 Bicyclo[2.1.0]pentane rCC 1.536   1.495 -0.041 1 5
C6H5OCH3 Anisole rCO 1.399   1.359 -0.040 1 7
As4 Arsenic tetramer rAsAs 2.435   2.398 -0.037 1 2
C4H5N Cyclopropanecarbonitrile rCC 1.472   1.436 -0.036 6 8
C2H3N3 1H-1,2,4-Triazole rCN 1.377   1.344 -0.033 5 7
CH2O2 Dioxirane rOO 1.516 ±0.003 1.483 -0.032 4 5
C5H10 2-Pentene, (Z)- rCC 1.561   1.529 -0.032 1 5
NaF sodium fluoride rNaF 1.926 ±0.000 1.897 -0.028 1 2
As2 Arsenic diatomic rAs#As 2.103   2.074 -0.028 1 2
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile rCC 1.514   1.486 -0.028 3 9
C2H2O2 Ethanedial rCH 1.132   1.107 -0.025 1 3
C6H5OCH3 Anisole rCO 1.433   1.409 -0.024 7 8
C4H5NO 3-Methylisoxazole rCC 1.514   1.490 -0.024 1 8
C4H5N Cyclopropanecarbonitrile rCC 1.513   1.489 -0.024 9 10
C7H16 heptane rCH 1.121 ±0.007 1.098 -0.023 1 8
C4H5NO Isoxazole, 5-methyl- rCC 1.505   1.482 -0.023 1 5
CH2ClCH2Cl Ethane, 1,2-dichloro- rCH 1.112   1.089 -0.023 1 5
Na2 Sodium diatomic rNaNa 3.079   3.056 -0.023 1 2
C9H8 Indene rCC 1.415 ±0.170 1.392 -0.023 1 2
C6H12 2-Pentene, 3-methyl-, (E)- rCC 1.551   1.529 -0.022 9 12
F2 Fluorine diatomic rFF 1.412   1.390 -0.022 1 2
C4H4N2 Succinonitrile rCC 1.561   1.540 -0.021 1 2
CH3CH2CH2CH3 Butane rCH 1.117   1.097 -0.020 1 5
CH2ClCH2Cl Ethane, 1,2-dichloro- rCC 1.531   1.511 -0.020 1 2
C5H9N Pentanenitrile rCC 1.478   1.458 -0.020 4 6
CH3ONO Methyl nitrite rNO 1.398   1.378 -0.020 2 6
CH3OCl methyl hypochlorite rHC 1.111 ±0.018 1.092 -0.019 3 4
C3H8O2 1,3-Propanediol rOH 0.980   0.961 -0.019 6 8
C5H6 Bicyclo[2.1.0]pent-2-ene rCC 1.530   1.512 -0.018 1 3
C4H8O2 Ethyl acetate rCH 1.105   1.087 -0.018 4 7
CH2FCl fluorochloromethane rCF 1.370 ±0.001 1.352 -0.018 1 2
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile rCC 1.518   1.500 -0.018 3 7
LiOH lithium hydroxide rOH 0.969   0.951 -0.018 1 3
C6H8 1,3,5-Hexatriene, (Z)- rC=C 1.368   1.350 -0.018 1 2
CH3SeH Methane selenol rHSe 1.473 ±0.020 1.456 -0.017 1 3
N2O3 Dinitrogen trioxide rN=O 1.217   1.200 -0.017 2 5
C4H4N2 1,3-Diazine rC:N 1.350   1.333 -0.017 3 5
CH3NH2 methyl amine rCN 1.471 ±0.003 1.455 -0.016 1 2
C6H8 1,3,5-Hexatriene, (Z)- rCH 1.104   1.088 -0.016 1 7
CH3COCl Acetyl Chloride rCH 1.105   1.089 -0.016 2 5
C5H6 1-Buten-3-yne, 2-methyl- rCC 1.445   1.429 -0.016 7 8
C3H4O Cyclopropanone rCC 1.575   1.559 -0.016 3 4
N(CH3)3 Trimethylamine rCH 1.109   1.093 -0.016 2 8
HNO3 Nitric acid rNO 1.406   1.390 -0.016 1 2
HSe Selenium monohydride rHSe 1.475 ±0.010 1.460 -0.015 1 2
C5H8 Cyclopentene rCC 1.518   1.503 -0.015 2 4
CHF2Cl difluorochloromethane rCF 1.350 ±0.010 1.335 -0.015 1 4
C2H5F fluoroethane rCF 1.398 ±0.007 1.384 -0.014 1 3
C5H12O Butane, 1-methoxy- rCO 1.415   1.401 -0.014 3 4
CH3NC methyl isocyanide rCN 1.426 ±0.003 1.412 -0.014 1 2
C3H5ClO Oxirane, (chloromethyl)- rCC 1.475   1.461 -0.014 3 4
FO Oxygen monofluoride rFO 1.354   1.340 -0.014 1 2
C3H6O Propylene oxide rCC 1.513   1.499 -0.014 2 6
C2H3N3 1H-1,2,4-Triazole rC=N 1.329   1.316 -0.013 1 7
NaBr Sodium Bromide rNaBr 2.502 ±0.000 2.489 -0.013 1 2
HO2 Hydroperoxy radical rOO 1.331   1.318 -0.012 1 2
C3H4N2 1H-Imidazole rCN 1.382   1.370 -0.012 1 5
CFCl3 Trichloromonofluoromethane rCF 1.345   1.333 -0.012 1 2
C4H10O Methyl propyl ether rCO 1.413   1.401 -0.012 1 9
C5H8 1,3-Butadiene, 2-methyl- rCC 1.512   1.500 -0.012 2 5
CH3CH2CHO Propanal rCH 1.103   1.091 -0.012 1 6
OCSe Carbonyl selenide rC=Se 1.709   1.697 -0.012 1 3
CH3COCl Acetyl Chloride rCC 1.506   1.495 -0.011 1 2
CH2CHCHO Acrolein rC=C 1.345 ±0.003 1.334 -0.011 2 3
CH2CHCH2CH2Cl 1-Butene, 4-chloro- rCC 1.508   1.497 -0.011 2 6
C5H8 Cyclobutane, methylene- rCC 1.524   1.513 -0.011 1 3
C5H8 Bicyclo[2.1.0]pentane rCC 1.565   1.554 -0.011 3 4
C5H5N Pyridine rC:C 1.400   1.389 -0.011 2 5
CH2NN diazomethane rC=N 1.300   1.289 -0.011 1 2
CBr4 Carbon tetrabromide rCBr 1.942 ±0.002 1.931 -0.011 1 2
B2H6 Diborane rBH 1.200   1.189 -0.011 1 5
F2O Difluorine monoxide rFO 1.405   1.394 -0.011 1 2
C7H16 heptane rCC 1.534   1.524 -0.010 1 2
CH3ONO Methyl nitrite rCH 1.102   1.092 -0.010 1 4
CH3OCH3 Dimethyl ether rCO 1.411 ±0.001 1.401 -0.010 1 2
C3H3NO Oxazole rCO 1.357   1.348 -0.009 1 5
P2+ phosphorus dimer cation rPP 1.986   1.977 -0.009 1 2
CH3ONO Methyl nitrite rCO 1.437   1.428 -0.009 1 2
C4H6 Cyclobutene rCC 1.517   1.508 -0.009 1 3
CH2CCHCH3 1,2-Butadiene rC=C 1.314   1.305 -0.009 1 2
LiF lithium fluoride rLiF 1.564 ±0.000 1.555 -0.009 1 2
CF3COOH trifluoroacetic acid rCC 1.546 ±0.005 1.538 -0.008 1 2
C3H3NO Oxazole rCO 1.370   1.361 -0.008 1 7
CH2CHCHO Acrolein rC=O 1.219 ±0.005 1.211 -0.008 1 4
C4H6O Cyclobutanone rCC 1.556   1.548 -0.008 3 5
C2H Ethynyl radical rC#C 1.217   1.209 -0.008 1 2
C4H10O Methyl propyl ether rCC 1.530   1.522 -0.008 5 13
CH2CHCH2CH3 1-Butene rCC 1.536   1.528 -0.008 1 2
NO3 Nitrogen trioxide rNO 1.238   1.230 -0.008 1 2
C4H5N (E)-2-Butenenitrile rCC 1.432   1.424 -0.008 8 10
C8H8 cubane rCH 1.097   1.089 -0.008 1 9
CH2CHCl Ethene, chloro- rCH 1.090   1.083 -0.007 1 4
MgO magnesium oxide rMgO 1.749   1.742 -0.007 1 2
C2H2O2 Ethanedial rCC 1.526   1.519 -0.007 1 2
C3H7SH 1-Propanethiol rCC 1.529   1.522 -0.007 7 10
ArH+ Argon hydride cation rHAr 1.292 ±0.000 1.285 -0.007 1 2
NS+ nitrogen sulfide cation rNS 1.440   1.433 -0.007 1 2
C4H4N2 Succinonitrile rCC 1.465   1.458 -0.007 1 3
C6H8 1,3-Cyclohexadiene rCH 1.100   1.093 -0.007 5 11
CH3CH2CHO Propanal rCH 1.105   1.098 -0.007 2 8
SH+ sulfur monohydride cation rHS 1.374   1.368 -0.007 1 2
CH3OCHO methyl formate rCO 1.437   1.430 -0.007 1 2
CH3CH2CHO Propanal rCC 1.509   1.503 -0.006 2 3
CH2NH Methanimine rCH 1.103   1.097 -0.006 1 3
CH3CH2CH2CH3 Butane rCC 1.531   1.525 -0.006 1 2
CH3CH2OH Ethanol rCH 1.098   1.092 -0.006 1 6
CH3CH2CHO Propanal rCC 1.523   1.517 -0.006 1 2
B2H6 Diborane rBH 1.320   1.314 -0.006 1 3
CH3CH(NH2)COOH Alanine rCC 1.544   1.538 -0.006 3 4
C3H4N2 1H-Imidazole rCN 1.377   1.372 -0.006 3 9
C4H10O Ethoxy ethane rCC 1.517   1.511 -0.006 2 4
CH2C(CH3)OCH3 1-Propene, 2-methoxy- rCH 1.087   1.081 -0.006 11 12
CH2C(CH3)OCH3 1-Propene, 2-methoxy- rCO 1.416   1.410 -0.006 1 5
CH2O2 Dioxirane rCO 1.388 ±0.004 1.382 -0.006 1 4
SiH2Cl2 dichlorosilane rSiH 1.480 ±0.015 1.475 -0.005 1 2
C6H8 1,3-Cyclohexadiene rCC 1.466   1.461 -0.005 2 3
H2Se Hydrogen selenide rHSe 1.460   1.455 -0.005 1 2
HBr+ hydrogen bromide cation rHBr 1.448   1.443 -0.005 1 2
CH3NO3 Methyl nitrate rNO 1.402   1.397 -0.005 1 4
CH2PH H2CPH rCH 1.090 ±0.015 1.085 -0.005 1 3
CH3CH(CH3)CH3 Isobutane rCH 1.100   1.095 -0.005 3 6
C4H10O Methyl propyl ether rCH 1.107   1.102 -0.005 10 11
CH3CH2CHO Propanal rCH 1.096   1.091 -0.005 1 5
CSe Carbon monoselenide rC=Se 1.676 ±0.000 1.671 -0.005 1 2
C6H5OH phenol rCO 1.364   1.359 -0.005 1 7
C3H6O 2-Propen-1-ol rCH 1.091   1.086 -0.005 8 9
C3H4N2 1H-Imidazole rCN 1.364   1.360 -0.005 8 9
CH3NO3 Methyl nitrate rCH 1.095   1.090 -0.005 5 8
C5H8 Bicyclo[2.1.0]pentane rCC 1.528   1.524 -0.004 1 3
C3H6O 2-Propen-1-ol rCH 1.092   1.088 -0.004 6 7
C6H8 1,3-Cyclohexadiene rCH 1.090   1.086 -0.004 1 7
C6H5OH phenol rC:C 1.398   1.394 -0.004 1 2
CH2 Methylene rCH 1.085   1.081 -0.004 1 2
BeO beryllium oxide rBe=O 1.331   1.327 -0.004 1 2
NF nitrogen fluoride rNF 1.317   1.313 -0.004 1 2
CH3NH2 methyl amine rNH 1.018 ±0.001 1.014 -0.004 2 6
C5H10 Cyclopropane, 1,1-dimethyl- rCC 1.514   1.510 -0.004 1 4
C4H4N2 1,3-Diazine rCH 1.087   1.083 -0.004 1 7
HBr hydrogen bromide rHBr 1.414 ±0.000 1.411 -0.004 1 2
C4H10O Ethoxy ethane rCO 1.411   1.407 -0.004 1 2
PH+ phosphorus monohydride cation rHP 1.435   1.431 -0.004 1 2
CH2PH H2CPH rCH 1.090 ±0.015 1.086 -0.004 1 4
N3 azide radical rNN 1.181   1.178 -0.004 1 2
CH3NHCH3 Dimethylamine rCH 1.098   1.095 -0.003 3 7
C6H12 Cyclohexane rCH 1.101   1.098 -0.003 1 7
C3H4N2 1H-Pyrazole rCH 1.082   1.079 -0.003 1 2
C8H8 cyclooctatetraene rCC 1.470 ±0.001 1.467 -0.003 1 5
SiN Silicon nitride rSiN 1.575   1.572 -0.003 1 2
HClO4 perchloric acid rHO 0.980   0.977 -0.003 3 6
CH3CCH propyne rCH 1.096   1.093 -0.003 1 5
CH3ONO Methyl nitrite rCH 1.090   1.087 -0.003 1 3
CH2C(CH3)CH3 1-Propene, 2-methyl- rCH 1.088   1.085 -0.003 2 3
C3H4N2 1H-Pyrazole rCH 1.083   1.080 -0.003 5 6
CH3CH2CHO Propanal rCH 1.115   1.112 -0.003 3 10
CH3CH2SH ethanethiol rCH 1.095   1.092 -0.003 1 4
CH3NC methyl isocyanide rCH 1.094   1.091 -0.003 1 4
CH2CO Ketene rCH 1.083   1.080 -0.002 1 4
CH2CHCHO Acrolein rCH 1.086 ±0.007 1.084 -0.002 3 7
Se2 Selenium diatomic rSe=Se 2.166 ±0.001 2.164 -0.002 1 2
O2+ diatomic oxygen cation rOO 1.116   1.114 -0.002 1 2
CP Carbon monophosphide rC#P 1.562   1.560 -0.002 1 2
H2CS Thioformaldehyde rC=S 1.611   1.609 -0.002 1 2
O2 Oxygen diatomic rO=O 1.208   1.205 -0.002 1 2
CH3OCHO methyl formate rCH 1.101   1.099 -0.002 3 8
C3H4N2 1H-Pyrazole rCH 1.080   1.078 -0.002 3 4
P2 Phosphorus diatomic rP#P 1.893   1.891 -0.002 1 2
C2HF3 Trifluoroethylene rCF 1.316 ±0.011 1.314 -0.002 1 3
C3H6O 2-Propen-1-ol rCH 1.102   1.100 -0.002 3 5
PN Phosphorus mononitride rP#N 1.491   1.489 -0.002 1 2
C4H10O Methyl propyl ether rCH 1.093   1.091 -0.002 5 6
CH3COCl Acetyl Chloride rC=O 1.187   1.185 -0.002 1 3
C3H6 Cyclopropane rCC 1.501   1.499 -0.002 1 2
CH3CHS Thioacetaldehyde rCH 1.098   1.096 -0.002 2 6
CH3CHO Acetaldehyde rCH 1.114   1.112 -0.002 1 4
N2O3 Dinitrogen trioxide rN=O 1.202   1.200 -0.002 2 4
C5H7N Cyclobutanecarbonitrile rCC 1.551   1.550 -0.001 3 6
HF+ hydrogen fluoride cation rHF 1.014   1.013 -0.001 1 2
CH3CHS Thioacetaldehyde rCH 1.090   1.089 -0.001 2 5
BN boron nitride rB=N 1.325   1.324 -0.001 1 2
C3H4N2 1H-Imidazole rCH 1.079   1.077 -0.001 3 4
LiCl- lithium chloride anion rLiCl 2.180   2.179 -0.001 1 2
C4H10O Methyl propyl ether rCC 1.516   1.515 -0.001 10 13
C3H8 Propane rCH 1.096   1.095 -0.001 1 4
C4H6S Thiophene, 2,5-dihydro- rCH 1.095   1.094 -0.001 2 6
NO Nitric oxide rN=O 1.154 ±0.000 1.153 -0.001 1 2
LiBr Lithium Bromide rLiBr 2.170 ±0.000 2.170 -0.000 1 2
C4H8 cyclobutane rCH 1.093   1.093 -0.000 1 5
C6H8 1,4-Cyclohexadiene rCH 1.100   1.100 -0.000 1 11
CN Cyano radical rC#N 1.172   1.172 -0.000 1 2
C4H10O Propane, 2-methoxy- rCO 1.422   1.422 -0.000 5 14
C5H8 1,3-Butadiene, 2-methyl- rCC 1.463   1.463 0.000 2 3
CH3CH2SH ethanethiol rCH 1.092   1.092 0.000 1 5
C4H10O Ethoxy ethane rCH 1.092   1.092 0.000 4 10
C4H10O Methyl propyl ether rCO 1.408   1.408 0.000 9 10
CH2FCl fluorochloromethane rCH 1.090 ±0.010 1.090 0.000 1 4
C4H8O2 Ethyl acetate rC=O 1.203   1.203 0.000 1 2
C4H6 Cyclobutene rCH 1.094   1.094 0.000 3 7
CH2CHCHO Acrolein rCC 1.470 ±0.003 1.470 0.000 1 2
D2 Deuterium diatomic rDD 0.742   0.742 0.000 1 2
H2 Hydrogen diatomic rHH 0.741   0.742 0.000 1 2
HD Deuterium hydride rDH 0.741   0.742 0.000 1 2
CH3NO3 Methyl nitrate rCH 1.088   1.089 0.001 5 6
C2H5F fluoroethane rCH 1.095 ±0.007 1.096 0.001 1 4
MgF Magnesium monofluoride rMgF 1.750   1.751 0.001 1 2
CHClCCl2 Trichloroethylene rCCl 1.712   1.713 0.001 2 6
C4H6O Cyclobutanone rCC 1.527   1.528 0.001 2 3
ClCN chlorocyanogen rC#N 1.161   1.161 0.001 2 3
C4H10O Methyl propyl ether rCH 1.094   1.095 0.001 13 14
CH2O2 Dioxirane rCH 1.090 ±0.002 1.091 0.001 1 2
C3H6 Cyclopropane rCH 1.083   1.084 0.001 1 4
C8H8 cyclooctatetraene rC=C 1.337 ±0.001 1.338 0.001 1 2
CH2CHCHO Acrolein rCH 1.086 ±0.007 1.087 0.001 3 8
AsH3 Arsine rHAs 1.511 ±0.000 1.512 0.001 1 2
C3H4O Methylketene rCH 1.083   1.084 0.001 2 5
C4H8 cyclobutane rCH 1.091   1.092 0.001 1 6
OCSe Carbonyl selenide rC=O 1.159   1.160 0.001 1 2
C3H4N2 1H-Imidazole rCH 1.079   1.080 0.001 7 8
C4H10O Methyl propyl ether rCH 1.099   1.100 0.001 1 2
CH3OCHO methyl formate rCO 1.334   1.335 0.001 2 3
C4H10O Methyl propyl ether rCH 1.091   1.092 0.001 5 8
CO+ carbon monoxide cation rC=O 1.115 ±0.000 1.116 0.001 1 2
C6H12 Cyclohexane rCH 1.093   1.095 0.001 1 13
CH3CH(CH3)CH3 Isobutane rCH 1.092   1.093 0.001 3 9
CH3OCHO methyl formate rCH 1.086   1.087 0.001 1 5
CH3OCH3 Dimethyl ether rCH 1.099 ±0.001 1.100 0.001 2 6
S2+ sulfur dimer cation rS=S 1.825 ±0.010 1.826 0.001 1 2
C2H5F fluoroethane rCH 1.090 ±0.007 1.092 0.002 2 7
CH3CH2SH ethanethiol rCH 1.090   1.092 0.002 2 7
C2H2 Acetylene rC#C 1.203   1.204 0.002 1 2
C5H10 2-Pentene, (Z)- rCH 1.092   1.094 0.002 1 2
C5H5N Pyridine rC:C 1.390   1.392 0.002 3 5
CH2CHCHO Acrolein rCH 1.084 ±0.005 1.086 0.002 2 6
N2O3 Dinitrogen trioxide rN=O 1.142   1.144 0.002 1 3
C6H8 1,3,5-Hexatriene, (Z)- rC=C 1.337   1.339 0.002 3 5
C4H10O Ethoxy ethane rCH 1.090   1.092 0.002 4 12
C10H8 naphthalene rC:C 1.410   1.412 0.002 2 3
C2H5F fluoroethane rCH 1.091 ±0.007 1.093 0.002 2 6
CHBr3 bromoform rCBr 1.924 ±0.005 1.926 0.002 1 3
C6H5OH phenol rCH 1.082   1.084 0.002 4 11
CH2ClCH2Cl Ethane, 1,2-dichloro- rCCl 1.790   1.792 0.002 1 3
C5H8O 2H-Pyran, 3,4-dihydro- rCC 1.516   1.518 0.002 10 13
C4H6 Cyclobutene rCH 1.083   1.085 0.002 1 5
CH2Br2 dibromomethane rCBr 1.925 ±0.002 1.927 0.002 1 4
C2H2 Acetylene rCH 1.063   1.065 0.002 1 3
C3H4N2 1H-Imidazole rCH 1.078   1.080 0.002 5 6
P2H4 H2PPH2 rPH 1.417   1.419 0.002 1 3
C4H10O Ethoxy ethane rCH 1.100   1.102 0.002 2 6
C2H5N Aziridine rCH 1.083   1.085 0.002 3 5
CH2NN diazomethane rN=N 1.139   1.142 0.003 2 3
C2H5N Aziridine rCH 1.084   1.087 0.003 3 6
CH4 Methane rCH 1.087 ±0.001 1.090 0.003 1 2
C3H7SH 1-Propanethiol rCH 1.090   1.093 0.003 8 10
CCl2O Phosgene rC=O 1.177   1.179 0.003 1 2
C3H7SH 1-Propanethiol rCH 1.092   1.095 0.003 5 7
CH2CHF Ethene, fluoro- rCH 1.082   1.085 0.003 1 4
CH2NN diazomethane rHC 1.075   1.078 0.003 1 4
BO boron monoxide rB=O 1.205   1.207 0.003 1 2
C6H5OH phenol rCH 1.084   1.087 0.003 2 9
C2H5F fluoroethane rCC 1.505 ±0.007 1.508 0.003 1 2
C4H10O Propane, 2-methoxy- rCH 1.095   1.098 0.003 1 2
BH3 boron trihydride rBH 1.190   1.193 0.003 1 2
C3H3NO Oxazole rCH 1.073   1.076 0.003 7 8
CH3CHO Acetaldehyde rCH 1.086   1.089 0.003 2 5
HCl+ hydrogen chloride cation rHCl 1.315   1.318 0.003 1 2
ClO Monochlorine monoxide rClO 1.596 ±0.001 1.599 0.003 1 2
SeS Selenium monosulfide rS=Se 2.037 ±0.001 2.040 0.003 1 2
CH3CH2Cl Ethyl chloride rCH 1.090   1.094 0.003 1 3
C3H3NO Oxazole rCH 1.075   1.079 0.003 3 4
CHONH2 formamide rNH 1.001   1.004 0.003 3 6
CH3Br methyl bromide rCBr 1.934 ±0.000 1.938 0.004 1 2
H2O Water rOH 0.958 ±0.000 0.961 0.004 1 2
CH3CH2Cl Ethyl chloride rCH 1.086   1.090 0.004 2 7
C3H3NO Oxazole rCH 1.075   1.079 0.004 5 6
CH2CHCl Ethene, chloro- rCH 1.079   1.083 0.004 2 5
C4H4N2 1,3-Diazine rC:N 1.328   1.332 0.004 2 6
SiH4 Silane rSiH 1.480 ±0.000 1.484 0.004 1 2
CH2CHCH2CH3 1-Butene rCC 1.493   1.497 0.004 2 3
CH3Br methyl bromide rCH 1.082 ±0.001 1.086 0.004 1 3
P2H4 H2PPH2 rPH 1.414   1.418 0.004 1 4
C3H4 cyclopropene rCH 1.088   1.092 0.004 1 6
ClCN chlorocyanogen rCCl 1.629   1.633 0.004 1 2
HF Hydrogen fluoride rHF 0.917 ±0.000 0.921 0.004 1 2
CH3CH2OH Ethanol rCH 1.088   1.092 0.004 1 5
BeS beryllium sulfide rBe=S 1.742   1.746 0.004 1 2
SiHCl3 Trichlorosilane rSiH 1.464   1.469 0.005 1 2
CHClCCl2 Trichloroethylene rCCl 1.720   1.725 0.005 2 5
CH2CHCHO Acrolein rCH 1.108 ±0.005 1.113 0.005 1 5
SiH3Cl chlorosilane rSiH 1.475   1.480 0.005 1 3
HOCl hypochlorous acid rOH 0.964   0.968 0.005 1 2
CH3ONO Methyl nitrite rN=O 1.182   1.187 0.005 6 7
CH3CCH propyne rCH 1.060   1.065 0.005 3 4
C5H10 Cyclopropane, 1,1-dimethyl- rCH 1.080   1.085 0.005 2 6
N2 Nitrogen diatomic rN#N 1.098   1.103 0.005 1 2
C5H10 2-Pentene, (Z)- rCC 1.490   1.495 0.005 8 14
CH3CHS Thioacetaldehyde rCH 1.089   1.094 0.005 1 4
CF Fluoromethylidyne rCF 1.276   1.281 0.005 1 2
C4H4N2 1,3-Diazine rCH 1.082   1.087 0.005 2 8
CH2CHF Ethene, fluoro- rCH 1.077   1.082 0.005 2 5
AsF Arsenic monofluoride rFAs 1.736 ±0.001 1.741 0.005 1 2
CN- cyanide anion rC#N 1.177 ±0.004 1.182 0.005 1 2
C3H4 cyclopropene rCH 1.072   1.077 0.005 2 4
C4H6 Methylenecyclopropane rCC 1.457   1.462 0.005 2 5
DCl Hydrochloric acid-d rDCl 1.275 ±0.000 1.280 0.005 1 2
HCl Hydrogen chloride rHCl 1.275 ±0.000 1.280 0.005 1 2
CH2CO Ketene rC=O 1.162   1.167 0.005 2 3
PS phosphorus sulfide rP=S 1.900   1.906 0.006 1 2
CH3OCH3 Dimethyl ether rCH 1.085 ±0.001 1.091 0.006 2 4
LiOH lithium hydroxide rLiO 1.582   1.587 0.006 1 2
CS carbon monosulfide rC#S 1.535   1.541 0.006 1 2
CHONH2 formamide rNH 1.001   1.007 0.006 3 5
HO2 Hydroperoxy radical rOH 0.971   0.977 0.006 1 3
NaH sodium hydride rNaH 1.887 ±0.000 1.893 0.006 1 2
C3H6O 2-Propen-1-ol rCH 1.078   1.084 0.006 8 10
SiH3F monofluorosilane rSiH 1.476   1.482 0.006 1 3
C3H6O 2-Propen-1-ol rCH 1.096   1.102 0.006 3 4
DS Mercapto-d rSD 1.341   1.347 0.007 1 2
DO Hydroxyl-d rDO 0.970   0.976 0.007 1 2
CH3NHCH3 Dimethylamine rCH 1.098   1.105 0.007 3 5
BF Boron monofluoride rBF 1.267 ±0.000 1.273 0.007 1 2
CFCl3 Trichloromonofluoromethane rCCl 1.764   1.770 0.007 1 3
OH Hydroxyl radical rOH 0.970   0.976 0.007 1 2
CF3COOH trifluoroacetic acid rC=O 1.192 ±0.003 1.199 0.007 2 4
HNCO Isocyanic acid rC=O 1.164   1.171 0.007 3 4
C5H8 Spiropentane rCC 1.470   1.477 0.007 1 2
CO Carbon monoxide rC#O 1.128 ±0.000 1.135 0.007 1 2
NH+ imidogen cation rHN 1.070 ±0.001 1.077 0.007 1 2
GaF Gallium monofluoride rFGa 1.774 ±0.000 1.782 0.007 1 2
HOBr Hypobromous acid rBrO 1.834   1.841 0.007 2 3
C3H4O Methylketene rCH 1.083   1.091 0.008 3 6
BS boron sulfide rBS 1.609   1.617 0.008 1 2
CH3OCl methyl hypochlorite rHC 1.086 ±0.018 1.094 0.008 3 5
Br2 Bromine diatomic rBrBr 2.281   2.289 0.008 1 2
BF3 Borane, trifluoro- rBF 1.307   1.315 0.008 1 2
CH3NHCH3 Dimethylamine rCH 1.084   1.092 0.008 3 9
C2H3 vinyl rCH 1.085   1.093 0.008 2 4
C4H4N2 1,3-Diazine rCH 1.079   1.087 0.008 3 9
BeH beryllium monohydride rBeH 1.343   1.351 0.008 1 2
CH3NH2 methyl amine rCH 1.093 ±0.000 1.101 0.008 1 3
HOBr Hypobromous acid rOH 0.961   0.970 0.009 1 2
MgS magnesium sulfide rMgS 2.143   2.151 0.009 1 2
AsH Arsenic monohydride rHAs 1.535 ±0.001 1.543 0.009 1 2
SeO2 Selenium dioxide rSeO 1.607 ±0.001 1.616 0.009 1 2
C6H5OH phenol rCH 1.076   1.085 0.009 3 10
C4H8O2 Ethyl acetate rCO 1.345   1.354 0.009 2 3
NS Mononitrogen monosulfide rNS 1.497 ±0.000 1.506 0.009 1 2
NH Imidogen rNH 1.036   1.045 0.009 1 2
SiO Silicon monoxide rSiO 1.510 ±0.000 1.519 0.009 1 2
PH phosphorus monohydride rPH 1.422   1.431 0.009 1 2
C2H3N3 1H-1,2,4-Triazole rCN 1.348   1.357 0.009 1 2
SiS silicon monosulfide rSiS 1.929 ±0.000 1.938 0.009 1 2
SO+ sulfur monoxide cation rO=S 1.424   1.433 0.009 1 2
BeF Beryllium monofluoride rBeF 1.361   1.370 0.009 1 2
CH3NC methyl isocyanide rC#N 1.166 ±0.003 1.176 0.010 2 3
SF4 Sulfur tetrafluoride rSF 1.646 ±0.003 1.656 0.010 1 2
CCl2O Phosgene rCCl 1.737   1.746 0.010 2 3
C8H8 cyclooctatetraene rCH 1.079 ±0.001 1.089 0.010 1 9
NH2CONH2 Urea rNH 0.998   1.008 0.010 4 8
PF5 Phosphorus pentafluoride rPF 1.577   1.587 0.010 1 5
BrF5 bromine pentafluoride rFBr 1.774 ±0.003 1.784 0.010 1 3
AlS Aluminum sulfide rAlS 2.029   2.040 0.011 1 2
BrF3 Bromine trifluoride rFBr 1.810 ±0.000 1.821 0.011 1 3
SOCl2 thionyl chloride rS=O 1.443 ±0.006 1.454 0.011 1 2
AlF Aluminum monofluoride rAlF 1.654 ±0.000 1.665 0.011 1 2
CH3CH(NH2)COOH Alanine rCC 1.509   1.520 0.011 2 3
ClF3 Chlorine trifluoride rFCl 1.697   1.708 0.011 1 3
MgH+ magnesium monohydride cation rHMg 1.652   1.663 0.011 1 2
BrF Bromine monofluoride rFBr 1.759 ±0.000 1.770 0.011 1 2
C2 Carbon diatomic rC=C 1.243   1.254 0.011 1 2
CH3COCl Acetyl Chloride rCCl 1.798   1.810 0.012 1 4
SiH3Cl chlorosilane rSiCl 2.051   2.062 0.012 1 2
C3H7N Cyclopropylamine rCH 1.080   1.092 0.012 1 2
DF Hydrofluoric acid-d rDF 0.917 ±0.000 0.930 0.012 1 2
NaLi lithium sodium rLiNa 2.889   2.901 0.012 1 2
NO- nitric oxide anion rN=O 1.258 ±0.010 1.270 0.012 1 2
C2H6O2S Dimethyl sulfone rCS 1.777 ±0.006 1.790 0.013 1 4
AlN Aluminum nitride rN#Al 1.786   1.799 0.013 1 2
SeO Selenium monoxide rSeO 1.639 ±0.001 1.652 0.013 1 2
PO Phosphorus monoxide rP=O 1.476   1.489 0.013 1 2
SiH+ silicon monohydride cation rHSi 1.504   1.518 0.014 1 2
CH Methylidyne rCH 1.120   1.134 0.014 1 2
HOCl hypochlorous acid rClO 1.691   1.705 0.014 1 3
C5H8 Bicyclo[2.1.0]pentane rCC 1.507   1.521 0.014 1 2
BeCl beryllium chloride rBeCl 1.797   1.811 0.014 1 2
C4H10O Methyl propyl ether rCH 1.086   1.100 0.014 1 4
CH3CH2OH Ethanol rCH 1.086   1.100 0.014 2 8
SiH3F monofluorosilane rSiF 1.595   1.609 0.015 1 2
MgOH magnesium hydroxide rOH 0.940   0.955 0.015 1 3
C2H3N3 1H-1,2,4-Triazole rC=N 1.305   1.320 0.015 2 4
CH2C(CH3)OCH3 1-Propene, 2-methoxy- rCO 1.353   1.369 0.016 5 10
C5H10 2-Pentene, (E)- rCC 1.484   1.500 0.016 4 11
AlO Aluminum monoxide rAlO 1.618   1.634 0.016 1 2
SiH Silylidyne rSiH 1.520   1.536 0.016 1 2
SF Monosulfur monofluoride rSF 1.599   1.615 0.016 1 2
SiH2Cl2 dichlorosilane rSiCl 2.033 ±0.003 2.049 0.016 1 4
BH Boron monohydride rBH 1.232   1.248 0.016 1 2
SSO Disulfur monoxide rS=S 1.884   1.900 0.016 2 3
GeF Germanium monofluoride rF-Ge 1.745   1.762 0.016 1 2
SiF silicon monofluoride rSiF 1.604   1.621 0.017 1 2
PO2 Phosphorus dioxide rP=O 1.467   1.483 0.017 1 2
PCl phosphorus chloride rPCl 2.018   2.035 0.017 1 2
BCl boron monochloride rBCl 1.719 ±0.000 1.737 0.017 1 2
S2 Sulfur diatomic rS=S 1.889   1.907 0.017 1 2
SiHCl3 Trichlorosilane rSiCl 2.020   2.038 0.018 1 3
PF phosphorus monofluoride rPF 1.593   1.610 0.018 1 2
ClF Chlorine monofluoride rFCl 1.628 ±0.000 1.646 0.018 1 2
BrO Bromine monoxide rOBr 1.718   1.736 0.019 1 2
N(CH3)3 Trimethylamine rCH 1.088   1.107 0.019 2 5
SiF2 Silicon difluoride rFSi 1.590 ±0.000 1.609 0.019 1 2
C3H5 Allyl radical rCH 1.069   1.088 0.019 1 2
CH2FCl fluorochloromethane rCCl 1.762 ±0.000 1.782 0.019 1 3
NaCl Sodium Chloride rNaCl 2.361 ±0.000 2.380 0.020 1 2
BrCl Bromine monochloride rClBr 2.136 ±0.000 2.156 0.020 1 2
C2H Ethynyl radical rCH 1.047   1.066 0.020 1 3
SiF4 Silicon tetrafluoride rSiF 1.554   1.574 0.020 1 2
C4H4N2 Pyridazine rCH 1.064   1.084 0.020 1 5
C3O2 Carbon suboxide rC=O 1.146   1.166 0.020 2 4
Si2 Silicon diatomic rSiSi 2.246   2.266 0.020 1 2
C5H8O Cyclopentanone rCC 1.504   1.524 0.020 7 13
SSO Disulfur monoxide rS=O 1.456   1.477 0.020 1 2
AlH+ aluminum monohydride cation rHAl 1.602   1.622 0.021 1 2
MgH magnesium monohydride rMgH 1.730   1.750 0.021 1 2
SCl sulfur monochloride rSCl 1.975   1.996 0.021 1 2
SiCl Clorosilylidyne rSiCl 2.061 ±0.000 2.082 0.021 1 2
Cl2 Chlorine diatomic rClCl 1.988   2.009 0.022 1 2
Cl2+ chlorine diatomic cation rClCl 1.892   1.913 0.022 1 2
PCl5 Phosphorus pentachloride rPCl 2.020   2.042 0.022 1 2
F2SO Thionyl Fluoride rFS 1.585 ±0.000 1.608 0.022 1 3
HClO4 perchloric acid rO=Cl 1.414 ±0.001 1.436 0.022 1 2
CCl2 dichloromethylene rCCl 1.711   1.734 0.022 1 2
GeH germylidene rHGe 1.588   1.611 0.023 1 2
F2SO Thionyl Fluoride rO=S 1.413 ±0.000 1.436 0.023 1 2
AlH aluminum monohydride rAlH 1.648   1.671 0.023 1 2
GeCl Germanium monochloride rCl-Ge 2.164 ±0.000 2.188 0.025 1 2
PO- phosphorus monoxide anion rOP 1.540   1.565 0.025 1 2
AlCl Aluminum monochloride rAlCl 2.130 ±0.000 2.155 0.025 1 2
C3O2 Carbon suboxide rC=C 1.251   1.276 0.025 1 2
C2Cl2 dichloroacetylene rCCl 1.612 ±0.030 1.638 0.026 1 3
CCl carbon monochloride rCCl 1.649   1.675 0.026 1 2
LiH Lithium Hydride rLiH 1.595 ±0.000 1.621 0.026 1 2
SO Sulfur monoxide rS=O 1.481   1.507 0.026 1 2
NCl nitrogen monochloride rNCl 1.611 ±0.000 1.637 0.027 1 2
BrF3 Bromine trifluoride rFBr 1.721   1.748 0.027 1 2
PF5 Phosphorus pentafluoride rPF 1.534   1.561 0.027 1 2
PF+ phosphorus monofluoride cation rFP 1.500   1.530 0.029 1 2
HClO4 perchloric acid rOCl 1.641 ±0.002 1.671 0.030 1 3
MgCl magnesium monochloride rMgCl 2.199   2.229 0.030 1 2
CHF2Cl difluorochloromethane rCCl 1.747 ±0.010 1.777 0.030 1 3
C2H6O2S Dimethyl sulfone rS=O 1.431 ±0.004 1.461 0.030 1 2
C5H10 2-Pentene, (Z)- rCH 1.058   1.090 0.032 12 13
ClF3 Chlorine trifluoride rFCl 1.597   1.631 0.034 1 2
LiCl lithium chloride rLiCl 2.021 ±0.000 2.055 0.035 1 2
SF4 Sulfur tetrafluoride rSF 1.545 ±0.003 1.581 0.036 1 4
MgOH magnesium hydroxide rMgO 1.767   1.803 0.036 1 2
ClFO3 Perchloryl fluoride rCl=O 1.400   1.438 0.038 2 3
BrF5 bromine pentafluoride rFBr 1.689 ±0.008 1.731 0.042 1 2
HClO4 perchloric acid rO=Cl 1.404 ±0.001 1.446 0.042 1 4
ClFO3 Perchloryl fluoride rFCl 1.598   1.654 0.056 1 2
CaF Calcuium monofluoride rFCa 1.967 ±0.001 2.030 0.063 1 2
He2+ helium dimer cation rHeHe 1.081 ±0.001 1.146 0.065 1 2
Li2 Lithium diatomic rLiLi 2.673   2.741 0.068 1 2
CaH Calcium monohydride rHCa 2.003 ±0.000 2.113 0.111 1 2
CaCl calcium monochloride rClCa 2.437   2.553 0.117 1 2
472 molecules.