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/cc-pVDZ 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 250
histogram chart 200 histogram chart
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-0.419
Most positive difference C4N2 2-Butynedinitrile0.041

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C4H10O Methyl propyl ether 1.530 -0.419
C5H10 2-Pentene, (E)- 1.576 -0.068
C5H6 1,3-Cyclopentadiene 1.540 -0.054
C5H6 Bicyclo[2.1.0]pent-2-ene 1.560 -0.050
C3H5 Allyl radical 1.428 -0.047
C4H5N Cyclopropanecarbonitrile 1.472 -0.046
C5H6S Thiophene, 3-methyl- 1.530 -0.044
C5H10 2-Pentene, (Z)- 1.561 -0.044
C5H8O Cyclopentanone 1.557 -0.040
C4H5NO 3-Methylisoxazole 1.514 -0.036
C4H5NO Isoxazole, 5-methyl- 1.505 -0.035
C6H12 (E)-3-methylpent-2-ene 1.551 -0.034
C4H6S Thiophene, 2,5-dihydro- 1.518 -0.034
C6H8 Bicyclo[3.1.0]hex-2-ene 1.530 -0.033
CH3CHS Thioacetaldehyde 1.506 -0.033
C6H5CCH phenylacetylene 1.448 -0.032
C4H8O2 1,3-Dioxolane, 2-methyl- 1.522 -0.031
C3F6 hexafluoropropene 1.513 -0.031
C5H6 Propellane 1.596 -0.030
C6H12 (E)-3-methylpent-2-ene 1.511 -0.030
C2H5NO3 Nitric acid, ethyl ester 1.528 -0.030
CH3CH(CH3)ONO Isopropyl nitrite 1.534 -0.029
CHOCHCHCH3 2-Butenal 1.501 -0.029
C12H8 biphenylene 1.524 -0.028
C5H4O2 4-Cyclopentene-1,3-dione 1.509 -0.028
C4H5N (E)-2-Butenenitrile 1.501 -0.027
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 -0.027
C5H10O 2-Butanone, 3-methyl- 1.525 -0.027
C2H2O4 Oxalic Acid 1.544 -0.027
CH3CHCHCH3 2-Butene, (E)- 1.508 -0.027
C2Cl2 dichloroacetylene 1.246 -0.027
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.514 -0.026
C2H6 Ethane 1.536 -0.026
CH2CCHCH3 1,2-Butadiene 1.515 -0.026
CH3CCCH3 2-Butyne 1.468 -0.025
C4H5N Cyclopropanecarbonitrile 1.513 -0.025
C2H3CCH 1-Buten-3-yne 1.434 -0.025
CHCCH2CH3 1-Butyne 1.544 -0.025
C3H4O Methylketene 1.518 -0.024
CH2FCH2CH3 1-Fluoropropane 1.534 -0.024
CH3CHCHCH3 2-Butene, (Z)- 1.506 -0.024
C6H8 (Z)-hexa-1,3,5-triene 1.458 -0.024
C6H8 1,4-Cyclohexadiene 1.511 -0.024
CH3COF Acetyl fluoride 1.503 -0.024
CH3SCH2CH3 Ethane, (methylthio)- 1.530 -0.023
CH2SHCH2SH 1,2-Ethanedithiol 1.530 -0.023
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.508 -0.023
CH2CHCHClCH3 1-Butene, 3-chloro- 1.503 -0.023
CH3CH2SH ethanethiol 1.528 -0.023
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 -0.023
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.530 -0.022
C6H8 Bicyclo[2.1.1]hex-2-ene 1.544 -0.022
C5H12O Butane, 1-methoxy- 1.532 -0.022
CH3OC2H5 Ethane, methoxy- 1.521 -0.022
C5H6 Bicyclo[2.1.0]pent-2-ene 1.530 -0.022
CH2ClCH2CH3 Propane, 1-chloro- 1.525 -0.022
C3H7N Cyclopropylamine 1.520 -0.022
C5H8 1,2-Butadiene, 3-methyl- 1.514 -0.021
C5H8 1,4-Pentadiene 1.511 -0.021
C2H5Br Ethyl bromide 1.518 -0.020
CH3CHFCH3 2-Fluoropropane 1.521 -0.020
C5H10 Cyclopentane 1.546 -0.020
C4H2 Diacetylene 1.378 -0.020
CH3CHClCH3 Propane, 2-chloro- 1.522 -0.020
C3H6O 2-Propen-1-ol 1.502 -0.020
CH2CHCH2CH3 1-Butene 1.536 -0.019
C5H10 Cyclopropane, 1,1-dimethyl- 1.520 -0.019
C9H8 Indene 1.415 -0.019
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.528 -0.019
CH3CH2CH2CH3 Butane 1.531 -0.019
CH3CCH propyne 1.460 -0.019
C4H5N (E)-2-Butenenitrile 1.432 -0.019
C5H12 Propane, 2,2-dimethyl- 1.537 -0.019
C2N2 Cyanogen 1.389 -0.019
C4H8O2 Ethyl acetate 1.515 -0.018
CH2CHCHClCH3 1-Butene, 3-chloro- 1.522 -0.018
CF3COOH trifluoroacetic acid 1.546 -0.018
C3H4O Cyclopropanone 1.575 -0.018
C4H8O2 Ethyl acetate 1.508 -0.018
C5H8 Cyclobutane, methylene- 1.524 -0.018
C2H2O2 Ethanedial 1.526 -0.018
C6H8 Bicyclo[3.1.0]hex-2-ene 1.529 -0.017
CH3CN Acetonitrile 1.458 -0.017
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.518 -0.017
C5H8O Methyl cyclopropyl ketone 1.510 -0.017
C6H8 Bicyclo[3.1.0]hex-2-ene 1.494 -0.017
CHOCHCHCH3 2-Butenal 1.470 -0.017
C5H10 Cyclopropane, 1,1-dimethyl- 1.514 -0.016
C4H10O Propane, 2-methoxy- 1.528 -0.016
C4H6O Furan, 2,5-dihydro- 1.502 -0.016
C5H6 Propellane 1.525 -0.016
C4H8O2 1,3-Dioxane 1.528 -0.015
C5H8 Ethenylcyclopropane 1.475 -0.015
C3H8 Propane 1.526 -0.015
C12H8 biphenylene 1.428 -0.015
C5H6 Cyclopropylacetylene 1.527 -0.014
CH3CHO Acetaldehyde 1.501 -0.014
C4N2 2-Butynedinitrile 1.370 -0.014
C4H6O Cyclobutanone 1.556 -0.014
C4H6 Cyclobutene 1.517 -0.014
C5H8 Cyclobutane, methylene- 1.557 -0.014
C4H5NO Isoxazole, 5-methyl- 1.427 -0.014
C6H8 Bicyclo[3.1.0]hex-2-ene 1.522 -0.014
C5H10O 2-Butanone, 3-methyl- 1.534 -0.014
HCCCN Cyanoacetylene 1.376 -0.013
C4H6 Cyclobutene 1.566 -0.013
C4H6 Methylenecyclopropane 1.542 -0.013
C6H4Cl2 1,3-dichlorobenzene 1.404 -0.013
C8H8 cyclooctatetraene 1.470 -0.013
C6H6 Fulvene 1.476 -0.013
C5H6 Cyclopropylacetylene 1.503 -0.013
C10H8 Azulene 1.407 -0.013
C5H8 Ethenylcyclopropane 1.522 -0.012
C10H8 Azulene 1.414 -0.012
CH3CH2O Ethoxy radical 1.521 -0.012
C(CN)4 tetracyanomethane 1.484 -0.012
CHCCH2CH3 1-Butyne 1.457 -0.012
C4H6O Furan, 2,5-dihydro- 1.347 -0.011
C5H10S 2H-Thiopyran, tetrahydro- 1.528 -0.011
C4H6 Bicyclo[1.1.0]butane 1.497 -0.011
C4H6 1-Methylcyclopropene 1.515 -0.011
C12H8 biphenylene 1.432 -0.011
C6H6 Fulvene 1.470 -0.009
CH3CHCHCH3 2-Butene, (E)- 1.347 -0.009
C3H8O2 1,3-Propanediol 1.514 -0.009
C6H8 1,4-Cyclohexadiene 1.347 -0.009
C6H8 (Z)-hexa-1,3,5-triene 1.368 -0.009
C3H4O Cyclopropanone 1.475 -0.009
CH2CHCH2CH3 1-Butene 1.493 -0.008
C2H3 vinyl 1.316 -0.008
C4H6 Methylenecyclopropane 1.332 -0.008
H2CCCCH2 Butatriene 1.283 -0.008
C5H10 2-Pentene, (Z)- 1.490 -0.008
C6H6 Benzvalene 1.529 -0.007
CH2CHCH2CH3 1-Butene 1.342 -0.007
C6H5CCH phenylacetylene 1.396 -0.007
C4H10O Propane, 2-methoxy- 1.519 -0.007
C5H6 1,3-Cyclopentadiene 1.460 -0.007
C2H4S Thiirane 1.484 -0.007
CH3CF3 Ethane, 1,1,1-trifluoro- 1.494 -0.007
C6H6 Benzvalene 1.503 -0.006
C4H5NO 3-Methylisoxazole 1.427 -0.006
C4H6 Bicyclo[1.1.0]butane 1.498 -0.006
C5H7N Cyclobutanecarbonitrile 1.551 -0.006
CF2CCl2 difluorodichloroethylene 1.345 -0.005
C6H5CCH phenylacetylene 1.398 -0.005
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.339 -0.005
CH2CCHCH3 1,2-Butadiene 1.314 -0.005
CH3CHCHCH3 2-Butene, (Z)- 1.346 -0.005
C6H4Cl2 1,4-dichlorobenzene 1.394 -0.004
C5H8 1,4-Pentadiene 1.339 -0.004
C4H6S Thiophene, 2,5-dihydro- 1.340 -0.004
C6H5F Fluorobenzene 1.397 -0.004
C6H6 Benzvalene 1.452 -0.004
C6H12 (E)-3-methylpent-2-ene 1.349 -0.004
C4H6O Cyclobutanone 1.527 -0.004
C10H8 Azulene 1.398 -0.004
C3H6O 2-Propen-1-ol 1.337 -0.004
C6H5F Fluorobenzene 1.395 -0.003
CH2CHCHClCH3 1-Butene, 3-chloro- 1.337 -0.003
C2H3Br vinyl bromide 1.332 -0.003
C10H8 Azulene 1.405 -0.002
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.511 -0.002
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 -0.002
CH2FCH2CH3 1-Fluoropropane 1.501 -0.002
C6H6 Fulvene 1.349 -0.002
C6H8 Bicyclo[3.1.0]hex-2-ene 1.521 -0.001
C4H5NO 3-Methylisoxazole 1.362 -0.001
C4H5N Pyrrole 1.382 -0.001
C4H5N Pyrrole 1.417 -0.001
CHOCHCHCH3 2-Butenal 1.345 -0.001
ClCOClCO Oxalyl chloride 1.534 -0.001
C5H6S Thiophene, 3-methyl- 1.370 -0.001
C6H4Cl2 1,3-dichlorobenzene 1.392 -0.000
C2H3CCH 1-Buten-3-yne 1.344 -0.000
C5H8 Cyclobutane, methylene- 1.331 0.000
C5H6S Thiophene, 3-methyl- 1.423 0.000
CH2CCH2 allene 1.308 0.000
C12H8 biphenylene 1.372 0.001
CH2CO Ketene 1.314 0.001
C6H6 Trimethylenecycopropane 1.437 0.001
C2H2ClF 1-chloro-1-fluoroethylene 1.327 0.002
H2CCCCH2 Butatriene 1.318 0.002
CHCCH2CH3 1-Butyne 1.217 0.002
C10H8 Azulene 1.484 0.002
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.329 0.002
C5H6 Cyclopropylacetylene 1.422 0.002
C6H6 Fulvene 1.355 0.003
C6H4Cl2 1,3-dichlorobenzene 1.388 0.003
C5H10 2-Pentene, (E)- 1.484 0.003
C5H8 Ethenylcyclopropane 1.334 0.003
C5H10 2-Pentene, (Z)- 1.338 0.003
C4H6 Methylenecyclopropane 1.457 0.003
C6H4Cl2 1,4-dichlorobenzene 1.388 0.004
C6H6 Benzvalene 1.339 0.004
C6H5F Fluorobenzene 1.383 0.004
C5H10 2-Pentene, (E)- 1.334 0.004
C4H6 Cyclobutene 1.342 0.005
C6H8 Bicyclo[3.1.0]hex-2-ene 1.338 0.005
C4H6 1-Methylcyclopropene 1.300 0.005
C4H5NO Isoxazole, 5-methyl- 1.362 0.005
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.498 0.006
C3H3NO Oxazole 1.353 0.007
C5H4O2 4-Cyclopentene-1,3-dione 1.341 0.007
CH3CCCH3 2-Butyne 1.214 0.007
C2H3CCH 1-Buten-3-yne 1.215 0.007
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.398 0.007
C8H8 cyclooctatetraene 1.337 0.008
C6H6 Trimethylenecycopropane 1.330 0.008
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.324 0.008
C6H8 (Z)-hexa-1,3,5-triene 1.337 0.009
C3F6 hexafluoropropene 1.329 0.009
C5H6 Cyclopropylacetylene 1.211 0.009
C4 Carbon tetramer 1.304 0.010
C4H5N (E)-2-Butenenitrile 1.336 0.010
C2H2+ acetylene cation 1.253 0.010
C6H10 1-Butyne, 3,3-dimethyl- 1.209 0.010
C10H8 Azulene 1.377 0.011
CH2CCHCH3 1,2-Butadiene 1.301 0.011
C6H8 Bicyclo[2.1.1]hex-2-ene 1.332 0.011
CH3CCH propyne 1.207 0.011
C3H4O Methylketene 1.306 0.011
CH2CHOH ethenol 1.326 0.011
C5H8O Cyclopentanone 1.504 0.012
C3H4N2 1H-Imidazole 1.364 0.013
C6H5CCH phenylacetylene 1.208 0.013
C6H8 Bicyclo[3.1.0]hex-2-ene 1.482 0.014
HCCCl Chloroacetylene 1.203 0.014
HCCF Fluoroacetylene 1.198 0.015
HCCBr bromoacetylene 1.204 0.015
C5H6 1,3-Cyclopentadiene 1.340 0.015
HCCCN Cyanoacetylene 1.206 0.016
C6H5CCH phenylacetylene 1.388 0.017
C2 Carbon diatomic 1.243 0.019
C12H8 biphenylene 1.370 0.019
C2F2 difluoroacetylene 1.187 0.019
C4H2 Diacetylene 1.205 0.021
C3 carbon trimer 1.277 0.028
C4H6 1-Methylcyclopropene 1.476 0.028
C3O2 Carbon suboxide 1.251 0.032
C4N2 2-Butynedinitrile 1.190 0.041