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

LSDA/3-21G* 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 200
histogram chart 150 histogram chart
histogram chart 100 histogram chart
histogram chart 50 histogram chart
histogram chart 0 histogram chart 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-0.424
Most positive difference C5H6 Propellane0.047

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C4H10O Methyl propyl ether 1.530 -0.424
C4H5N Cyclopropanecarbonitrile 1.472 -0.058
C5H10 2-Pentene, (E)- 1.576 -0.055
C3H5 Allyl radical 1.428 -0.048
C3F6 hexafluoropropene 1.513 -0.048
C5H6S Thiophene, 3-methyl- 1.530 -0.039
C5H6 1,3-Cyclopentadiene 1.540 -0.039
C2Cl2 dichloroacetylene 1.246 -0.037
C2N2 Cyanogen 1.389 -0.037
C6H5CCH phenylacetylene 1.448 -0.034
C4H5NO Isoxazole, 5-methyl- 1.505 -0.034
C4H5NO 3-Methylisoxazole 1.514 -0.034
C5H6 Bicyclo[2.1.0]pent-2-ene 1.560 -0.033
C5H10 2-Pentene, (Z)- 1.561 -0.031
C4H2 Diacetylene 1.378 -0.028
C4H5N (E)-2-Butenenitrile 1.432 -0.027
C4N2 2-Butynedinitrile 1.370 -0.027
HCCCN Cyanoacetylene 1.376 -0.026
C2H3CCH 1-Buten-3-yne 1.434 -0.026
CH3CHS Thioacetaldehyde 1.506 -0.024
C2H2O2 Ethanedial 1.526 -0.024
CH3CH(CH3)ONO Isopropyl nitrite 1.534 -0.023
C5H4O2 4-Cyclopentene-1,3-dione 1.509 -0.023
CH3CCCH3 2-Butyne 1.468 -0.023
C4H8O2 1,3-Dioxolane, 2-methyl- 1.522 -0.022
C6H12 (E)-3-methylpent-2-ene 1.511 -0.022
C6H12 (E)-3-methylpent-2-ene 1.551 -0.022
CHOCHCHCH3 2-Butenal 1.501 -0.022
C4H6S Thiophene, 2,5-dihydro- 1.518 -0.022
C6H8 (Z)-hexa-1,3,5-triene 1.458 -0.022
CH3COF Acetyl fluoride 1.503 -0.021
C5H10O 2-Butanone, 3-methyl- 1.525 -0.021
C2H5NO3 Nitric acid, ethyl ester 1.528 -0.019
C6H8 Bicyclo[3.1.0]hex-2-ene 1.530 -0.019
C4H5N (E)-2-Butenenitrile 1.501 -0.019
CH2CHCHClCH3 1-Butene, 3-chloro- 1.503 -0.019
CH3CHCHCH3 2-Butene, (E)- 1.508 -0.019
C4H6 Methylenecyclopropane 1.332 -0.018
H2CCCCH2 Butatriene 1.283 -0.017
CHOCHCHCH3 2-Butenal 1.470 -0.017
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.530 -0.016
C(CN)4 tetracyanomethane 1.484 -0.016
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 -0.016
CH2CCHCH3 1,2-Butadiene 1.515 -0.016
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.508 -0.016
CH3CCH propyne 1.460 -0.016
C3H4O Methylketene 1.518 -0.016
C5H8 Ethenylcyclopropane 1.475 -0.016
CH3CHCHCH3 2-Butene, (Z)- 1.506 -0.016
C6H4Cl2 1,3-dichlorobenzene 1.404 -0.015
C6H8 1,4-Cyclohexadiene 1.511 -0.015
CH2FCH2CH3 1-Fluoropropane 1.534 -0.015
C4H8O2 Ethyl acetate 1.508 -0.015
C4H6O Furan, 2,5-dihydro- 1.347 -0.015
C6H8 1,4-Cyclohexadiene 1.347 -0.014
CH3CHCHCH3 2-Butene, (E)- 1.347 -0.014
C5H10 Cyclopropane, 1,1-dimethyl- 1.514 -0.013
C6H8 (Z)-hexa-1,3,5-triene 1.368 -0.013
C2H3 vinyl 1.316 -0.013
CH3OC2H5 Ethane, methoxy- 1.521 -0.013
CH2ClCHCHCH3 2-Butene, 1-chloro- 1.342 -0.013
C5H12 Propane, 2,2-dimethyl- 1.537 -0.013
CH2ClCH2CH3 Propane, 1-chloro- 1.525 -0.012
C5H8O Methyl cyclopropyl ketone 1.510 -0.012
CH3CF3 Ethane, 1,1,1-trifluoro- 1.494 -0.012
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.398 -0.012
CH3CHFCH3 2-Fluoropropane 1.521 -0.012
C5H8 1,2-Butadiene, 3-methyl- 1.514 -0.012
C5H8 1,4-Pentadiene 1.511 -0.012
C4H5N Cyclopropanecarbonitrile 1.513 -0.012
CH2CHCH2CH3 1-Butene 1.342 -0.012
C6H8 Bicyclo[3.1.0]hex-2-ene 1.494 -0.011
CH2CCHCH3 1,2-Butadiene 1.314 -0.011
C4H8O2 Ethyl acetate 1.515 -0.011
CH3CH2SH ethanethiol 1.528 -0.011
C4H5NO Isoxazole, 5-methyl- 1.427 -0.011
C8H8 cyclooctatetraene 1.470 -0.010
CH2CO Ketene 1.314 -0.010
C5H12O Butane, 1-methoxy- 1.532 -0.010
C4H10O Propane, 2-methoxy- 1.528 -0.010
CH3CHCHCH3 2-Butene, (Z)- 1.346 -0.010
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.514 -0.010
C6H12 (E)-3-methylpent-2-ene 1.349 -0.009
C6H8 Bicyclo[3.1.0]hex-2-ene 1.529 -0.009
CH2CHCHClCH3 1-Butene, 3-chloro- 1.522 -0.009
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.339 -0.009
C5H10 Cyclopentane 1.546 -0.009
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.528 -0.009
C5H8 1,4-Pentadiene 1.339 -0.009
C5H10 Cyclopropane, 1,1-dimethyl- 1.520 -0.009
C2H5Br Ethyl bromide 1.518 -0.009
C4H6S Thiophene, 2,5-dihydro- 1.340 -0.009
CH3SCH2CH3 Ethane, (methylthio)- 1.530 -0.009
CH2SHCH2SH 1,2-Ethanedithiol 1.530 -0.008
C6H5CCH phenylacetylene 1.396 -0.008
C6H8 Bicyclo[2.1.1]hex-2-ene 1.544 -0.008
CH2ClCHCHCH3 2-Butene, 1-chloro- 1.496 -0.008
C6H6 Fulvene 1.349 -0.008
C3H7N Cyclopropylamine 1.520 -0.008
CH3CH2CH2CH3 Butane 1.531 -0.008
C5H8 Cyclobutane, methylene- 1.331 -0.008
CH2CHCHClCH3 1-Butene, 3-chloro- 1.337 -0.007
C2H3Br vinyl bromide 1.332 -0.007
C3H4O Cyclopropanone 1.575 -0.007
CH2CHCH2CH3 1-Butene 1.536 -0.006
CH3CHO Acetaldehyde 1.501 -0.006
C4H8O2 1,3-Dioxane 1.528 -0.006
CH2CCH2 allene 1.308 -0.006
C6H5F Fluorobenzene 1.395 -0.006
CHOCHCHCH3 2-Butenal 1.345 -0.006
C6H5CCH phenylacetylene 1.398 -0.006
C2H2ClF 1-chloro-1-fluoroethylene 1.327 -0.006
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.329 -0.005
C6H4Cl2 1,4-dichlorobenzene 1.394 -0.005
C6H5F Fluorobenzene 1.397 -0.005
H2CCCCH2 Butatriene 1.318 -0.005
C2H3CCH 1-Buten-3-yne 1.344 -0.004
C4H5NO 3-Methylisoxazole 1.362 -0.004
CH3CH2O Ethoxy radical 1.521 -0.003
C4H6O Furan, 2,5-dihydro- 1.502 -0.003
C3H8 Propane 1.526 -0.003
C2H Ethynyl radical 1.217 -0.003
C5H10O 2-Butanone, 3-methyl- 1.534 -0.003
C6H6 Trimethylenecycopropane 1.330 -0.003
C3F6 hexafluoropropene 1.329 -0.003
C5H6 Bicyclo[2.1.0]pent-2-ene 1.530 -0.002
C5H6 Cyclopropylacetylene 1.422 -0.002
C6H4Cl2 1,3-dichlorobenzene 1.392 -0.002
C5H10 2-Pentene, (Z)- 1.338 -0.002
C5H10S 2H-Thiopyran, tetrahydro- 1.528 -0.002
C4H5N Pyrrole 1.382 -0.002
C4H5NO 3-Methylisoxazole 1.427 -0.002
C6H6 Fulvene 1.476 -0.001
C5H8 Ethenylcyclopropane 1.334 -0.001
C3H4O Cyclopropanone 1.475 -0.001
C3H8O2 1,3-Propanediol 1.514 -0.001
C5H6 Cyclopropylacetylene 1.527 -0.001
C5H6S Thiophene, 3-methyl- 1.370 -0.001
C5H10 2-Pentene, (E)- 1.334 -0.001
C4H10O Propane, 2-methoxy- 1.519 -0.001
CH3CCCH3 2-Butyne 1.214 -0.001
C2H3CCH 1-Buten-3-yne 1.215 -0.000
CH2CHCH2CH3 1-Butene 1.493 -0.000
C3H4O Methylketene 1.306 -0.000
C5H10 2-Pentene, (Z)- 1.490 0.000
C6H6 Benzvalene 1.503 0.000
C5H8 Ethenylcyclopropane 1.522 0.000
C5H6 Cyclopropylacetylene 1.503 0.000
C4H6O Cyclobutanone 1.556 0.000
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.518 0.001
C5H8 Cyclobutane, methylene- 1.524 0.001
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.324 0.001
C6H6 Fulvene 1.355 0.001
C6H6 Benzvalene 1.339 0.001
C5H6 Cyclopropylacetylene 1.211 0.001
C6H8 Bicyclo[3.1.0]hex-2-ene 1.522 0.001
C6H6 Fulvene 1.470 0.002
C5H4O2 4-Cyclopentene-1,3-dione 1.341 0.002
C6H8 Bicyclo[3.1.0]hex-2-ene 1.338 0.002
C8H8 cyclooctatetraene 1.337 0.002
C6H4Cl2 1,4-dichlorobenzene 1.388 0.002
C6H4Cl2 1,3-dichlorobenzene 1.388 0.003
C6H10 1-Butyne, 3,3-dimethyl- 1.209 0.003
C6H5F Fluorobenzene 1.383 0.003
CH3CCH propyne 1.207 0.003
C4H5NO Isoxazole, 5-methyl- 1.362 0.003
C5H6 1,3-Cyclopentadiene 1.460 0.004
C4H6 Methylenecyclopropane 1.542 0.004
C4H6 1-Methylcyclopropene 1.300 0.004
CH2CCHCH3 1,2-Butadiene 1.301 0.004
C6H8 (Z)-hexa-1,3,5-triene 1.337 0.005
HCCF Fluoroacetylene 1.198 0.005
C4 Carbon tetramer 1.304 0.005
C5H6S Thiophene, 3-methyl- 1.423 0.005
C6H5CCH phenylacetylene 1.208 0.005
HCCCl Chloroacetylene 1.203 0.005
C4H6 Cyclobutene 1.342 0.005
C4H5N Pyrrole 1.417 0.006
CH2CHOH ethenol 1.326 0.006
C2H4S Thiirane 1.484 0.006
C4H5N (E)-2-Butenenitrile 1.336 0.006
C2H2+ acetylene cation 1.253 0.006
C4H6 1-Methylcyclopropene 1.515 0.006
HCCBr bromoacetylene 1.204 0.007
CH2FCH2CH3 1-Fluoropropane 1.501 0.007
C4H6 Cyclobutene 1.517 0.007
C5H8 Cyclobutane, methylene- 1.557 0.007
HCCCN Cyanoacetylene 1.206 0.008
C2H4F2 1,2-difluoroethane 1.501 0.008
C6H6 Trimethylenecycopropane 1.437 0.008
C2F2 difluoroacetylene 1.187 0.009
C6H8 Bicyclo[2.1.1]hex-2-ene 1.332 0.010
C4H6 Methylenecyclopropane 1.457 0.012
C5H10 2-Pentene, (E)- 1.484 0.012
C4H2 Diacetylene 1.205 0.012
C5H6 1,3-Cyclopentadiene 1.340 0.013
C6H6 Benzvalene 1.529 0.013
C2 Carbon diatomic 1.243 0.013
C6H8 Bicyclo[3.1.0]hex-2-ene 1.521 0.014
C4H6 Cyclobutene 1.566 0.014
C5H6 Propellane 1.525 0.014
C4H6O Cyclobutanone 1.527 0.016
C6H5CCH phenylacetylene 1.388 0.016
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.498 0.017
C6H6 Benzvalene 1.452 0.017
C5H7N Cyclobutanecarbonitrile 1.551 0.017
C3O2 Carbon suboxide 1.251 0.018
C6H8 Bicyclo[3.1.0]hex-2-ene 1.482 0.028
C4N2 2-Butynedinitrile 1.190 0.032
C4H6 1-Methylcyclopropene 1.476 0.044
C5H6 Propellane 1.596 0.047