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Compare Bonds

18 10 26 16 45

PBEPBE/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 400
histogram chart 350 histogram chart
histogram chart 300 histogram chart
histogram chart 250 histogram chart
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
-0.600 -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
CH2ClCHCl2 1,1,2-trichloroethane 1.580 -0.072
CH3CCl3 Ethane, 1,1,1-trichloro- 1.550 -0.042
C4H5N Cyclopropanecarbonitrile 1.472 -0.041
C2Cl2 dichloroacetylene 1.246 -0.037
C3H5 Allyl radical 1.428 -0.035
C5H10 2-Pentene, (E)- 1.576 -0.032
CH3CHCl2 Ethane, 1,1-dichloro- 1.540 -0.030
C2F6 hexafluoroethane 1.560 -0.029
CF3CN Acetonitrile, trifluoro- 1.492 -0.029
C3F6 hexafluoropropene 1.513 -0.028
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.354 -0.027
C3H5ClO Oxirane, (chloromethyl)- 1.523 -0.026
C2N2 Cyanogen 1.389 -0.024
C6H5CN phenyl cyanide 1.451 -0.023
C6H5Br bromobenzene 1.420 -0.022
CH2ClCCCl 1,3-dichloropropyne 1.456 -0.020
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.531 -0.019
C6H5CCH phenylacetylene 1.448 -0.018
C2Cl4 Tetrachloroethylene 1.354 -0.018
C5H6 1,3-Cyclopentadiene 1.540 -0.017
C5H9N Pentanenitrile 1.478 -0.017
C4H2 Diacetylene 1.378 -0.016
C3F8 perfluoropropane 1.546 -0.016
C5H6S Thiophene, 3-methyl- 1.530 -0.016
C4N2 2-Butynedinitrile 1.370 -0.015
C3H3NO Isoxazole 1.356 -0.015
HCCCN Cyanoacetylene 1.376 -0.014
CH2CHCHCH2 1,3-Butadiene 1.476 -0.014
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 -0.013
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 -0.013
C5H6 Bicyclo[2.1.0]pent-2-ene 1.560 -0.012
C5H6 1-Buten-3-yne, 2-methyl- 1.445 -0.012
CF2CCl2 difluorodichloroethylene 1.345 -0.012
CH2CHCH3 Propene 1.353 -0.011
CH2CF2 Ethene, 1,1-difluoro- 1.340 -0.011
C4H5NO Isoxazole, 5-methyl- 1.505 -0.011
C5H8O Cyclopentanone 1.557 -0.011
C4H5NO 3-Methylisoxazole 1.514 -0.010
CH2CHCHClCH3 1-Butene, 3-chloro- 1.503 -0.010
CF3COOH trifluoroacetic acid 1.546 -0.010
C4H5N (E)-2-Butenenitrile 1.432 -0.010
CH3CHS Thioacetaldehyde 1.506 -0.010
C2H3CCH 1-Buten-3-yne 1.434 -0.009
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.533 -0.009
H2CCCCH2 Butatriene 1.283 -0.009
CH3COCl Acetyl Chloride 1.506 -0.009
CH3CHClCH2CH3 Butane, 2-chloro- 1.534 -0.008
C9H8 Indene 1.415 -0.008
C5H8 Bicyclo[2.1.0]pentane 1.536 -0.008
C2H2O4 Oxalic Acid 1.544 -0.007
C6H4Cl2 1,3-dichlorobenzene 1.404 -0.007
C2HF3 Trifluoroethylene 1.341 -0.007
C4H6S Thiophene, 2,5-dihydro- 1.518 -0.007
C4H6 Methylenecyclopropane 1.332 -0.007
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 -0.007
C5H10 2-Pentene, (Z)- 1.561 -0.007
C6H5Cl chlorobenzene 1.402 -0.007
CHClCCl2 Trichloroethylene 1.337 -0.006
C4H6O Furan, 2,5-dihydro- 1.347 -0.005
C5H4O2 4-Cyclopentene-1,3-dione 1.509 -0.005
C2H5CN ethyl cyanide 1.468 -0.005
C3H5Cl3 Propane, 1,2,3-trichloro- 1.524 -0.005
C4H4N2 Succinonitrile 1.465 -0.005
C6H8 1,4-Cyclohexadiene 1.347 -0.004
CH2CS Thioketene 1.314 -0.004
C5H8 Cyclopentene 1.350 -0.004
CH2SHCH2SH 1,2-Ethanedithiol 1.530 -0.004
C6H8 (Z)-hexa-1,3,5-triene 1.458 -0.004
CH3CHCHCH3 2-Butene, (E)- 1.347 -0.003
ClCOClCO Oxalyl chloride 1.534 -0.003
C6F6 hexafluorobenzene 1.401 -0.003
C2H3Cl Ethene, chloro- 1.332 -0.003
C5H8 Spiropentane 1.557 -0.003
CH3COOH Acetic acid 1.517 -0.002
C6H5CH2CH3 Ethylbenzene 1.524 -0.002
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 -0.002
C5H6S Thiophene, 3-methyl- 1.370 -0.002
CH3CCCH3 2-Butyne 1.468 -0.002
C10H8 Azulene 1.407 -0.002
C3H6O Propylene oxide 1.513 -0.001
C2H6O2 1,2-Ethanediol 1.530 -0.001
C6H8 (Z)-hexa-1,3,5-triene 1.368 -0.001
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.519 -0.001
C3H3N acrylonitrile 1.426 -0.001
C2H3Br vinyl bromide 1.332 -0.001
C6H5NO2 Nitrobenzene 1.399 -0.001
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.530 -0.000
H2NCH2COOH Glycine 1.532 -0.000
CH2CHCH2CH3 1-Butene 1.342 -0.000
C2H4 Ethylene 1.339 -0.000
CH2CCHCH3 1,2-Butadiene 1.314 -0.000
CH2ClCH2CH3 Propane, 1-chloro- 1.525 0.000
C4H4S Thiophene 1.370 0.000
C2H2ClF 1-chloro-1-fluoroethylene 1.327 0.000
C4H8O2 1,3-Dioxolane, 2-methyl- 1.522 0.000
C2H3 vinyl 1.316 0.000
CH3CN Acetonitrile 1.458 0.001
C12H10 biphenyl 1.489 0.001
CH3CHCHCH3 2-Butene, (Z)- 1.346 0.001
C6H10O cyclohexanone 1.545 0.001
CH3CH(CH3)ONO Isopropyl nitrite 1.534 0.001
C6H12 (E)-3-methylpent-2-ene 1.511 0.001
CHCCH2CH3 1-Butyne 1.217 0.001
C6H8 Bicyclo[3.1.0]hex-2-ene 1.530 0.001
C2H2O2 Ethanedial 1.526 0.001
C4H6S Thiophene, 2,5-dihydro- 1.340 0.001
C6H12 (E)-3-methylpent-2-ene 1.349 0.002
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.339 0.002
C(CN)4 tetracyanomethane 1.484 0.002
CH2CO Ketene 1.314 0.002
CHOCHCHCH3 2-Butenal 1.501 0.002
C5H8 1,4-Pentadiene 1.339 0.002
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 0.002
C3H8O2 Propylene glycol 1.540 0.002
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.398 0.002
C6H12 (E)-3-methylpent-2-ene 1.551 0.003
C12H8 biphenylene 1.428 0.003
C3H6O 2-Propen-1-ol 1.337 0.003
CH2ClCHO chloroacetaldehyde 1.521 0.003
C5H8 Ethenylcyclopropane 1.475 0.003
CH2CCl2 Ethene, 1,1-dichloro- 1.324 0.003
CHOCHCHCH3 2-Butenal 1.470 0.003
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.528 0.003
C6H5Br bromobenzene 1.401 0.003
C4H5NO Isoxazole, 5-methyl- 1.427 0.004
CH3CHClCH3 Propane, 2-chloro- 1.522 0.004
C5H8 Cyclobutane, methylene- 1.331 0.004
CH3COF Acetyl fluoride 1.503 0.004
CH2CHF Ethene, fluoro- 1.329 0.004
C6H6 Fulvene 1.349 0.004
C2H Ethynyl radical 1.217 0.004
C4H5N (E)-2-Butenenitrile 1.501 0.004
C10H8 Azulene 1.414 0.004
C6H4Cl2 1,3-dichlorobenzene 1.392 0.004
CH3CHCHCH3 2-Butene, (E)- 1.508 0.004
CH3CCH propyne 1.460 0.004
C2H5NO3 Nitric acid, ethyl ester 1.528 0.004
CH3CH2SH ethanethiol 1.528 0.005
C5H5N Pyridine 1.400 0.005
C4H4N2 Pyrazine 1.397 0.005
CH2CHCH2F Allyl Fluoride 1.333 0.005
CH2CCH2 allene 1.308 0.005
CH2CHCHO Acrolein 1.341 0.005
CH2CHCHClCH3 1-Butene, 3-chloro- 1.522 0.005
C6H5CN phenyl cyanide 1.396 0.005
CHOCHCHCH3 2-Butenal 1.345 0.005
CH2CHCHClCH3 1-Butene, 3-chloro- 1.337 0.006
C6H5CCH phenylacetylene 1.396 0.006
C6H8 1,4-Cyclohexadiene 1.511 0.006
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.329 0.006
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.508 0.006
C6H8 Bicyclo[3.1.0]hex-2-ene 1.494 0.006
CH3SCH2CH3 Ethane, (methylthio)- 1.530 0.006
CH3CSNH2 Ethanethioamide 1.512 0.006
CH3CCCH3 2-Butyne 1.214 0.006
C4H4N2 Succinonitrile 1.561 0.006
C6H5Cl chlorobenzene 1.399 0.006
C2H3CCH 1-Buten-3-yne 1.215 0.006
H2CCCCH2 Butatriene 1.318 0.006
C3H4N2 1H-Pyrazole 1.417 0.007
CH2CCHCH3 1,2-Butadiene 1.515 0.007
C4H5NO 3-Methylisoxazole 1.362 0.007
C2H3CCH 1-Buten-3-yne 1.344 0.007
CH3CHCHCH3 2-Butene, (Z)- 1.506 0.007
C10H8 Azulene 1.398 0.007
C3H6O 2-Propen-1-ol 1.502 0.007
C12H8 biphenylene 1.372 0.007
C6H5CCH phenylacetylene 1.398 0.007
C3H7SH 1-Propanethiol 1.529 0.008
C7H12 Norbornane 1.573 0.008
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.514 0.008
C4H5N Cyclopropanecarbonitrile 1.513 0.008
C6H5CN phenyl cyanide 1.397 0.008
C5H6 Cyclopropylacetylene 1.211 0.008
C12H8 biphenylene 1.524 0.008
C6H6 Benzene 1.397 0.008
C3F6 hexafluoropropene 1.329 0.008
C10H8 naphthalene 1.420 0.008
C6H4Cl2 1,4-dichlorobenzene 1.388 0.008
HCCCl Chloroacetylene 1.203 0.008
C4H4Se selenophene 1.433 0.009
C6H5CH3 toluene 1.513 0.009
C2H5Br Ethyl bromide 1.518 0.009
C5H10 2-Pentene, (Z)- 1.338 0.009
C5H8 Cyclopentene 1.518 0.009
C3H2N2 Malononitrile 1.459 0.009
C5H8O 2H-Pyran, 3,4-dihydro- 1.510 0.009
C5H8O 2H-Pyran, 3,4-dihydro- 1.338 0.009
C2H5I Ethyl iodide 1.521 0.009
C6H6 Trimethylenecycopropane 1.330 0.009
C6H5CH3 toluene 1.395 0.009
C3H3N acrylonitrile 1.339 0.009
HCCBr bromoacetylene 1.204 0.009
C5H10 Cyclopropane, 1,1-dimethyl- 1.514 0.009
C4H5N Pyrrole 1.382 0.009
C6H5OH phenol 1.398 0.010
C6H5CH3 toluene 1.395 0.010
C6H10 1-Butyne, 3,3-dimethyl- 1.209 0.010
C2H3NO Nitrosoethylene 1.335 0.010
C5H10 2-Pentene, (E)- 1.334 0.010
CH3CCH propyne 1.207 0.010
C2H4S Thiirane 1.484 0.010
C6H8 Bicyclo[2.1.1]hex-2-ene 1.544 0.010
C5H9N Pentanenitrile 1.536 0.010
C4H4N2 1,3-Diazine 1.393 0.010
C5H8 1,4-Pentadiene 1.511 0.010
C2H6 Ethane 1.536 0.010
C5H8 Ethenylcyclopropane 1.334 0.010
C10H16 adamantane 1.540 0.010
C6H8 Bicyclo[3.1.0]hex-2-ene 1.529 0.011
C6H5CH2CH3 Ethylbenzene 1.399 0.011
C3H6S Thietane 1.549 0.011
C4H8O2 Ethyl acetate 1.508 0.011
C3H7N Cyclopropylamine 1.520 0.011
CH3COCH3 Acetone 1.520 0.011
CH3CF3 Ethane, 1,1,1-trifluoro- 1.494 0.011
C7H8 Norbornadiene 1.336 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
C5H12 Propane, 2,2-dimethyl- 1.537 0.011
C6H4Cl2 1,4-dichlorobenzene 1.394 0.011
C2H2N2O Furazan 1.421 0.012
C5H8 1,2-Butadiene, 3-methyl- 1.514 0.012
CH3CH2CHO Propanal 1.509 0.012
C3H7SH 1-Propanethiol 1.536 0.012
C12H8 biphenylene 1.432 0.012
C6H6 Benzvalene 1.339 0.012
C5H10 Cyclopropane, 1,1-dimethyl- 1.520 0.012
CHCCH2CH3 1-Butyne 1.544 0.012
C6H6 Fulvene 1.355 0.012
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.317 0.012
C6H8 Bicyclo[3.1.0]hex-2-ene 1.338 0.012
C2H2 Acetylene 1.203 0.012
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.324 0.012
C7H12 Norbornane 1.546 0.012
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.507 0.012
C6H5CCH phenylacetylene 1.208 0.012
C4H8O2 Ethyl acetate 1.515 0.012
C3H2O3 vinylene carbonate 1.331 0.012
CH3CH2Cl Ethyl chloride 1.510 0.012
CH2CHCHO Acrolein 1.468 0.012
C5H4O2 4-Cyclopentene-1,3-dione 1.341 0.013
C7H16 heptane 1.534 0.013
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.501 0.013
C2H2+ acetylene cation 1.253 0.013
C4H4N2 Pyridazine 1.396 0.013
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.511 0.013
CH2CHCHCH2 1,3-Butadiene 1.337 0.013
C10H8 Azulene 1.405 0.013
C4H2O3 Maleic Anhydride 1.332 0.013
C4H5NO 3-Methylisoxazole 1.427 0.013
C5H12O Butane, 1-methoxy- 1.532 0.014
CH2ClCCCl 1,3-dichloropropyne 1.201 0.014
C5H5N Pyridine 1.390 0.014
C4H10O Propane, 2-methoxy- 1.528 0.014
C6H14 Hexane 1.533 0.014
C5H6 Cyclopropylacetylene 1.422 0.014
C5H6 1-Buten-3-yne, 2-methyl- 1.207 0.014
C4H5NO Isoxazole, 5-methyl- 1.362 0.014
CH3CH2CHO Propanal 1.523 0.014
C2H8N2 Ethylenediamine 1.545 0.014
CH2CCHCH3 1,2-Butadiene 1.301 0.014
C10H8 naphthalene 1.410 0.015
C2F2 difluoroacetylene 1.187 0.015
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.330 0.015
C6H10O cyclohexanone 1.542 0.015
C4H6 Cyclobutene 1.342 0.015
CH3CHSHCH3 2-Propanethiol 1.520 0.015
HCCCN Cyanoacetylene 1.206 0.015
C5H8O Methyl cyclopropyl ketone 1.510 0.015
C4H8O2 1,3-Dioxane 1.528 0.015
C3H4 cyclopropene 1.296 0.015
C5H6 Bicyclo[2.1.0]pent-2-ene 1.530 0.015
C4H10O Ethoxy ethane 1.517 0.015
C6H6 Fulvene 1.476 0.016
C6H5CH3 toluene 1.394 0.016
C5H12 Pentane 1.531 0.016
CH3CH2CH2CH3 Butane 1.531 0.016
C4H6O Furan, 2,5-dihydro- 1.502 0.016
C10H8 naphthalene 1.370 0.016
C3H5ClO Oxirane, (chloromethyl)- 1.475 0.016
C4H5N (E)-2-Butenenitrile 1.336 0.016
C6H8 (Z)-hexa-1,3,5-triene 1.337 0.016
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.330 0.016
CH3CHF2 Ethane, 1,1-difluoro- 1.498 0.017
C5H8 Spiropentane 1.482 0.017
C3H4O Cyclopropanone 1.575 0.017
C6H6 Benzvalene 1.503 0.017
CH2CHOH ethenol 1.326 0.017
C5H6 1-Buten-3-yne, 2-methyl- 1.336 0.017
C4H4N2 Pyridazine 1.375 0.017
C6H4Cl2 1,3-dichlorobenzene 1.388 0.017
CH2CHCH2CH3 1-Butene 1.536 0.018
CH(CN)3 tricyanomethane 1.460 0.018
C5H10O 2H-Pyran, tetrahydro- 1.531 0.018
F2CCCF2 tetrafluoroallene 1.282 0.018
C3H4O Cyclopropanone 1.475 0.018
C6H5CH2CH3 Ethylbenzene 1.535 0.018
C6H12 Cyclohexane 1.530 0.018
C4H2 Diacetylene 1.205 0.019
CH3CHO Acetaldehyde 1.501 0.019
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.518 0.019
C4H4O Furan 1.431 0.019
CH3CONH2 Acetamide 1.519 0.019
C7H8 Norbornadiene 1.557 0.019
C10H8 Azulene 1.377 0.019
C6H6 Fulvene 1.470 0.019
C5H6 Cyclopropylacetylene 1.527 0.019
C3H8 Propane 1.526 0.020
C6H5Cl chlorobenzene 1.386 0.020
CH3CH2O Ethoxy radical 1.521 0.020
C4H4S Thiophene 1.423 0.020
CH3CH2OH Ethanol 1.512 0.020
CH3CH2NH2 Ethylamine 1.531 0.020
C6H8 Bicyclo[2.1.1]hex-2-ene 1.332 0.020
C5H6 Cyclopropylacetylene 1.503 0.021
C5H10S 2H-Thiopyran, tetrahydro- 1.528 0.021
C4H6O Cyclobutanone 1.556 0.021
C3H8O2 1,3-Propanediol 1.514 0.021
C4H5N Pyrrole 1.417 0.021
C3H4N2 1H-Pyrazole 1.374 0.021
CH2CHCH2F Allyl Fluoride 1.488 0.021
CH2CHCH2CH3 1-Butene 1.493 0.021
C2F4 Tetrafluoroethylene 1.311 0.021
C5H8 Ethenylcyclopropane 1.522 0.021
C3H4N2 1H-Imidazole 1.364 0.021
C3H3NO Oxazole 1.353 0.021
C5H8O 2H-Pyran, 3,4-dihydro- 1.530 0.021
C5H6 1,3-Cyclopentadiene 1.340 0.022
C6H8 Bicyclo[3.1.0]hex-2-ene 1.522 0.022
C5H8 Cyclobutane, methylene- 1.524 0.022
CH3CH(CH3)CH3 Isobutane 1.525 0.022
C5H8O 2H-Pyran, 3,4-dihydro- 1.516 0.022
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.528 0.023
C4H10O Propane, 2-methoxy- 1.519 0.023
C5H6 1,3-Cyclopentadiene 1.460 0.023
C5H10 2-Pentene, (Z)- 1.490 0.023
C2 Carbon diatomic 1.243 0.023
CH2CHCH3 Propene 1.488 0.023
C7H12 Norbornane 1.536 0.023
CH3CH(NH2)COOH Alanine 1.509 0.024
C6H6 Trimethylenecycopropane 1.437 0.024
C4H6 Bicyclo[1.1.0]butane 1.497 0.024
C5H6 1-Buten-3-yne, 2-methyl- 1.501 0.025
C4H8 cyclobutane 1.555 0.025
C2H5F fluoroethane 1.505 0.025
C3H6O Propylene oxide 1.471 0.025
C4H6 Methylenecyclopropane 1.542 0.025
C4H9N Pyrrolidine 1.534 0.025
C10H8 naphthalene 1.420 0.025
C5H8 Bicyclo[2.1.0]pentane 1.528 0.026
C8H8 cubane 1.571 0.026
C4H10O2 Ethane, 1,2-dimethoxy- 1.504 0.026
C3O2 Carbon suboxide 1.251 0.026
HOCH2COOH Hydroxyacetic acid 1.495 0.027
C5H6S Thiophene, 3-methyl- 1.423 0.027
C6H5CN phenyl cyanide 1.388 0.027
C2H4F2 1,2-difluoroethane 1.493 0.028
C5H8 Bicyclo[2.1.0]pentane 1.565 0.028
C4H6 Cyclobutene 1.517 0.028
C6H5NH2 aniline 1.392 0.028
C5H8 Cyclobutane, methylene- 1.557 0.028
C7H8 Norbornadiene 1.530 0.028
C6H10O cyclohexanone 1.503 0.029
C2H5CN ethyl cyanide 1.526 0.029
CH3CH(NH2)COOH Alanine 1.544 0.029
C12H8 biphenylene 1.370 0.029
C6H5CCH phenylacetylene 1.388 0.029
C6H5Br bromobenzene 1.375 0.029
C4H6 Methylenecyclopropane 1.457 0.029
C5H8 Bicyclo[1.1.1]pentane 1.557 0.030
C5H8 Cyclopentene 1.540 0.030
C3H4 cyclopropene 1.509 0.030
C4H6 Bicyclo[1.1.0]butane 1.498 0.030
C3H6 Cyclopropane 1.501 0.031
C6H8 Bicyclo[3.1.0]hex-2-ene 1.521 0.031
C6H6 Benzvalene 1.529 0.031
SiC2 Silicon dicarbide 1.265 0.031
C2H5N Aziridine 1.481 0.032
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 0.033
C10H8 Azulene 1.484 0.033
C5H10 2-Pentene, (E)- 1.484 0.034
C4 Carbon tetramer 1.304 0.035
C6H6 Benzvalene 1.452 0.035
C3 carbon trimer 1.277 0.037
C5H6 Propellane 1.525 0.037
C2H4O Ethylene oxide 1.459 0.037
C4H6 Cyclobutene 1.566 0.038
C4N2 2-Butynedinitrile 1.190 0.039
C5H7N Cyclobutanecarbonitrile 1.551 0.039
C4H6O Cyclobutanone 1.527 0.040
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.498 0.042
C5H8O Cyclopentanone 1.504 0.047
C6H8 Bicyclo[3.1.0]hex-2-ene 1.482 0.048
C5H8 Bicyclo[2.1.0]pentane 1.507 0.061
C5H6 Propellane 1.596 0.086
C4H6 1-Methylcyclopropene 1.300 0.240
C4H6 1-Methylcyclopropene 1.476 0.810