return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Bonds

18 10 26 16 45

PBEPBEultrafine/3-21G for rCC

Histogram of Bond length differences (in Å) vs number of species


Differences greater than 1.800 are in the 1.800 bin. Differences less than -0.600 are in the -0.600 bin.

histogram chart 140
histogram chart 120 histogram chart
histogram chart 100 histogram chart
histogram chart 80 histogram chart
histogram chart 60 histogram chart
histogram chart 40 histogram chart
histogram chart 20 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart
-0.600 -0.400 -0.200 0.000 0.200 0.400 0.600 0.800 1.000 1.200 1.400 1.600 1.800
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C4H10O Methyl propyl ether-0.425
Most positive difference C4H6 1-Methylcyclopropene0.810

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C4H10O Methyl propyl ether 1.530 -0.425
C4H6 1-Methylcyclopropene 1.515 -0.417
C3H5 Allyl radical 1.428 -0.035
C3F6 hexafluoropropene 1.513 -0.028
C2N2 Cyanogen 1.389 -0.024
CH2ClCCCl 1,3-dichloropropyne 1.456 -0.020
C4H2 Diacetylene 1.378 -0.016
C3H3NO Isoxazole 1.356 -0.015
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 -0.013
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 -0.013
CF2CCl2 difluorodichloroethylene 1.345 -0.012
CH2CHCH3 Propene 1.353 -0.011
C5H8O Cyclopentanone 1.557 -0.011
CH3CHS Thioacetaldehyde 1.506 -0.010
C2H2O4 Oxalic Acid 1.544 -0.008
C6H4Cl2 1,3-dichlorobenzene 1.404 -0.007
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 -0.007
C2H5CN ethyl cyanide 1.468 -0.005
CH2CS Thioketene 1.314 -0.004
ClCOClCO Oxalyl chloride 1.534 -0.004
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.002
C10H8 Azulene 1.407 -0.002
CH2CHCH2CH3 1-Butene 1.342 -0.000
C2H4 Ethylene 1.339 -0.000
CH3CN Acetonitrile 1.458 0.000
C2H3 vinyl 1.316 0.000
C2H2ClF 1-chloro-1-fluoroethylene 1.327 0.000
CHCCH2CH3 1-Butyne 1.217 0.001
C2H2O2 Ethanedial 1.526 0.001
CH2CO Ketene 1.314 0.002
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 0.002
C3H6O 2-Propen-1-ol 1.337 0.003
C12H8 biphenylene 1.428 0.003
C5H8 Ethenylcyclopropane 1.475 0.003
CH3CHClCH3 Propane, 2-chloro- 1.522 0.004
CH2CHF Ethene, fluoro- 1.329 0.004
C2H Ethynyl radical 1.217 0.004
C10H8 Azulene 1.414 0.004
C6H4Cl2 1,3-dichlorobenzene 1.392 0.004
CH3CH2SH ethanethiol 1.528 0.005
C2H5NO3 Nitric acid, ethyl ester 1.528 0.005
CH2CHCH2F Allyl Fluoride 1.333 0.005
CH3CCH propyne 1.460 0.005
CH2CCH2 allene 1.308 0.005
CH2CHCHO Acrolein 1.341 0.005
CH3CSNH2 Ethanethioamide 1.512 0.006
C10H8 Azulene 1.398 0.007
C3H6O 2-Propen-1-ol 1.502 0.007
C12H8 biphenylene 1.372 0.008
C3F6 hexafluoropropene 1.329 0.008
C10H8 naphthalene 1.420 0.008
C6H6 Benzene 1.397 0.008
C12H8 biphenylene 1.524 0.008
HCCCl Chloroacetylene 1.203 0.008
C6H4Cl2 1,4-dichlorobenzene 1.388 0.008
C2H5Br Ethyl bromide 1.518 0.009
C4H4Se selenophene 1.433 0.009
C2H5I Ethyl iodide 1.521 0.009
HCCBr bromoacetylene 1.204 0.009
C2H4S Thiirane 1.484 0.010
C4H5N Pyrrole 1.382 0.010
C2H3NO Nitrosoethylene 1.335 0.010
CH3CCH propyne 1.207 0.010
C2H6 Ethane 1.536 0.010
C5H8 Ethenylcyclopropane 1.334 0.010
C4H8O2 Ethyl acetate 1.508 0.011
CH3COCH3 Acetone 1.520 0.011
CH3CHFCH3 2-Fluoropropane 1.521 0.011
CH3OC2H5 Ethane, methoxy- 1.521 0.011
HCCF Fluoroacetylene 1.198 0.011
CHCCH2CH3 1-Butyne 1.457 0.011
C4H4O Furan 1.361 0.011
C6H4Cl2 1,4-dichlorobenzene 1.394 0.011
C12H8 biphenylene 1.432 0.012
C6H6 Benzvalene 1.339 0.012
CH3CH2CHO Propanal 1.509 0.012
C2H2N2O Furazan 1.421 0.012
CHCCH2CH3 1-Butyne 1.544 0.012
C2H2 Acetylene 1.203 0.012
C4H8O2 Ethyl acetate 1.515 0.012
C3H2O3 vinylene carbonate 1.331 0.012
CH2CHCHO Acrolein 1.468 0.012
C2H2+ acetylene cation 1.253 0.013
C10H8 Azulene 1.405 0.013
CH2ClCCCl 1,3-dichloropropyne 1.201 0.014
CH3CH2CHO Propanal 1.523 0.014
C10H8 naphthalene 1.410 0.014
C5H8O Methyl cyclopropyl ketone 1.510 0.015
C3H4 cyclopropene 1.296 0.015
CH3CH2CH2CH3 Butane 1.531 0.016
C10H8 naphthalene 1.370 0.016
CH3CHF2 Ethane, 1,1-difluoro- 1.498 0.017
C6H6 Benzvalene 1.503 0.017
C6H4Cl2 1,3-dichlorobenzene 1.388 0.017
CH(CN)3 tricyanomethane 1.460 0.018
F2CCCF2 tetrafluoroallene 1.282 0.018
CH2CHCH2CH3 1-Butene 1.536 0.018
C4H2 Diacetylene 1.205 0.019
CH3CHO Acetaldehyde 1.501 0.019
C4H4O Furan 1.431 0.019
C10H8 Azulene 1.377 0.019
C3H8 Propane 1.526 0.020
C4H5N Pyrrole 1.417 0.020
CH3CH2OH Ethanol 1.512 0.020
CH2CHCH2CH3 1-Butene 1.493 0.021
CH2CHCH2F Allyl Fluoride 1.488 0.021
C3H3NO Oxazole 1.353 0.021
C3H4N2 1H-Imidazole 1.364 0.022
C5H8 Ethenylcyclopropane 1.522 0.022
C2 Carbon diatomic 1.243 0.023
CH2CHCH3 Propene 1.488 0.023
C4H6 Bicyclo[1.1.0]butane 1.497 0.024
C4H8 cyclobutane 1.555 0.025
C10H8 naphthalene 1.420 0.026
C8H8 cubane 1.571 0.026
C3O2 Carbon suboxide 1.251 0.026
C2H4F2 1,2-difluoroethane 1.493 0.028
C2H5CN ethyl cyanide 1.526 0.029
C12H8 biphenylene 1.370 0.029
C5H8 Bicyclo[1.1.1]pentane 1.557 0.030
C3H4 cyclopropene 1.509 0.030
C4H6 Bicyclo[1.1.0]butane 1.498 0.030
C3H6 Cyclopropane 1.501 0.031
C6H6 Benzvalene 1.529 0.031
SiC2 Silicon dicarbide 1.265 0.031
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 0.032
C10H8 Azulene 1.484 0.033
C4 Carbon tetramer 1.304 0.035
C6H6 Benzvalene 1.452 0.036
C3 carbon trimer 1.277 0.037
C5H6 Propellane 1.525 0.037
C2H4O Ethylene oxide 1.459 0.037
C5H8O Cyclopentanone 1.504 0.047
C5H6 Propellane 1.596 0.086
C4H6 1-Methylcyclopropene 1.300 0.240
C4H6 1-Methylcyclopropene 1.476 0.810