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

QCISD(T)=FULL/6-31+G** for rCC

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


Differences greater than 0.150 are in the 0.150 bin. Differences less than -0.450 are in the -0.450 bin.

histogram chart 100
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
-0.450 -0.400 -0.350 -0.300 -0.250 -0.200 -0.150 -0.100 -0.050 0.000 0.050 0.100 0.150
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C4H10O Methyl propyl ether-0.437
Most positive difference C3O2 Carbon suboxide0.031

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C4H10O Methyl propyl ether 1.530 -0.437
C5H8O Cyclopentanone 1.557 -0.021
C3F6 hexafluoropropene 1.513 -0.014
C2H5NO3 Nitric acid, ethyl ester 1.528 -0.012
C12H8 biphenylene 1.524 -0.010
CHCCH2CH3 1-Butyne 1.544 -0.009
CH2CHCH3 Propene 1.353 -0.008
CF2CCl2 difluorodichloroethylene 1.345 -0.007
CH3CHFCH3 2-Fluoropropane 1.521 -0.006
CH3OC2H5 Ethane, methoxy- 1.521 -0.005
C5H8 Ethenylcyclopropane 1.522 -0.005
C5H6 Propellane 1.525 -0.005
C4H8 cyclobutane 1.555 -0.004
C5H6 Propellane 1.596 -0.004
CH3CH2SH ethanethiol 1.528 -0.003
C12H8 biphenylene 1.432 -0.003
C6H6 Benzvalene 1.529 -0.002
CH2CHCH2CH3 1-Butene 1.536 -0.002
C12H8 biphenylene 1.428 -0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 -0.002
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 -0.001
C2H2O4 Oxalic Acid 1.544 -0.001
CH3CH2CH2CH3 Butane 1.531 -0.001
C5H8 Bicyclo[1.1.1]pentane 1.557 -0.001
C4H8O2 Ethyl acetate 1.515 -0.001
C2H5Br Ethyl bromide 1.518 -0.000
C4H8O2 Ethyl acetate 1.508 -0.000
C4H5N Pyrrole 1.382 0.001
CH3CH2CHO Propanal 1.509 0.001
CH3CH2CHO Propanal 1.523 0.002
C4H6 Bicyclo[1.1.0]butane 1.498 0.002
CH2CHCH2CH3 1-Butene 1.342 0.003
CHCCH2CH3 1-Butyne 1.217 0.004
C2H4S Thiirane 1.484 0.004
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 0.004
C5H8O Methyl cyclopropyl ketone 1.510 0.004
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 0.004
C4H4Se selenophene 1.433 0.004
CH2ClCCCl 1,3-dichloropropyne 1.456 0.004
CH3CHF2 Ethane, 1,1-difluoro- 1.498 0.005
CH2CHF Ethene, fluoro- 1.329 0.005
C2N2 Cyanogen 1.389 0.005
CH3CHO Acetaldehyde 1.501 0.005
C4H2 Diacetylene 1.378 0.005
C4H6 Bicyclo[1.1.0]butane 1.497 0.006
C6H4Cl2 1,4-dichlorobenzene 1.394 0.006
C3H4 cyclopropene 1.509 0.006
C5H8 Ethenylcyclopropane 1.475 0.006
C12H8 biphenylene 1.372 0.006
C2H2N2O Furazan 1.421 0.006
C2H5CN ethyl cyanide 1.468 0.007
C2H Ethynyl radical 1.217 0.007
C2H2ClF 1-chloro-1-fluoroethylene 1.327 0.007
CH2CHCHO Acrolein 1.341 0.007
C6H6 Benzvalene 1.452 0.008
C2H3 vinyl 1.316 0.008
C3H2O3 vinylene carbonate 1.331 0.009
C2H5CN ethyl cyanide 1.526 0.009
CH2CS Thioketene 1.314 0.009
C2H2+ acetylene cation 1.253 0.009
C3F6 hexafluoropropene 1.329 0.009
CH2CHCHO Acrolein 1.468 0.010
CH2CHCH2F Allyl Fluoride 1.333 0.010
C6H6 Benzvalene 1.503 0.010
CH3CCH propyne 1.460 0.010
CH2CO Ketene 1.314 0.011
C6H4Cl2 1,4-dichlorobenzene 1.388 0.011
C2H4O Ethylene oxide 1.459 0.011
C3H4 cyclopropene 1.296 0.011
CH2CHCH2F Allyl Fluoride 1.488 0.012
CH2CHCH2CH3 1-Butene 1.493 0.012
C2H4F2 1,2-difluoroethane 1.493 0.012
CH2CCH2 allene 1.308 0.012
CH3CN Acetonitrile 1.458 0.012
C5H8 Ethenylcyclopropane 1.334 0.012
C6H6 Benzvalene 1.339 0.012
CH3CCH propyne 1.207 0.013
HCCF Fluoroacetylene 1.198 0.013
C3H4N2 1H-Imidazole 1.364 0.013
C4H5N Pyrrole 1.417 0.014
HCCCl Chloroacetylene 1.203 0.014
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 0.014
HCCBr bromoacetylene 1.204 0.014
CH2ClCCCl 1,3-dichloropropyne 1.201 0.016
CHCCH2CH3 1-Butyne 1.457 0.016
CH2CHCH3 Propene 1.488 0.016
C4H2 Diacetylene 1.205 0.018
ClCOClCO Oxalyl chloride 1.534 0.018
C4 Carbon tetramer 1.304 0.018
C2 Carbon diatomic 1.243 0.018
SiC2 Silicon dicarbide 1.265 0.020
CH(CN)3 tricyanomethane 1.460 0.022
C5H8O Cyclopentanone 1.504 0.026
C12H8 biphenylene 1.370 0.027
C3O2 Carbon suboxide 1.251 0.031