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Compare Bonds

18 10 26 16 45

MP2/CEP-31G* for rCC

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


Differences greater than 5.500 are in the 5.500 bin. Differences less than -0.500 are in the -0.500 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
-0.500 0.000 0.500 1.000 1.500 2.000 2.500 3.000 3.500 4.000 4.500 5.000 5.500
bond length difference calc. - exp. (Å)

  Species Name Difference (Å)
Most negative difference C4H10O Methyl propyl ether-0.424
Most positive difference C5H6 1,3-Cyclopentadiene2.042

Bond lengths
Click on entry for experimental details.

Species Name Experimental (Å) Difference (Å)
C4H10O Methyl propyl ether 1.530 -0.424
C4H6 1-Methylcyclopropene 1.515 -0.413
C5H6 1,3-Cyclopentadiene 1.460 -0.366
C5H6 1,3-Cyclopentadiene 1.540 -0.157
CH2ClCHCl2 1,1,2-trichloroethane 1.580 -0.040
C5H10 2-Pentene, (E)- 1.576 -0.032
C3H5 Allyl radical 1.428 -0.021
C5H6 Bicyclo[2.1.0]pent-2-ene 1.560 -0.019
C3H3NO Isoxazole 1.356 -0.011
CH3CCl3 Ethane, 1,1,1-trichloro- 1.550 -0.011
C5H8 Bicyclo[2.1.0]pentane 1.536 -0.011
C5H8O Cyclopentanone 1.557 -0.009
C5H10 2-Pentene, (Z)- 1.561 -0.009
C4H5N Cyclopropanecarbonitrile 1.472 -0.008
C5H6S Thiophene, 3-methyl- 1.530 -0.008
C4H4N2 Succinonitrile 1.561 -0.006
CH3CHCl2 Ethane, 1,1-dichloro- 1.540 -0.005
C6H8 Bicyclo[2.1.1]hex-2-ene 1.544 -0.004
C4H6O2 2,3-Butanedione 1.527 -0.004
C3H5ClO Oxirane, (chloromethyl)- 1.523 -0.003
C6H5CH2CH3 Ethylbenzene 1.524 -0.003
C6H12 (E)-3-methylpent-2-ene 1.551 0.000
C5H6 Bicyclo[2.1.0]pent-2-ene 1.530 0.001
C4H8O2 1,3-Dioxolane, 2-methyl- 1.522 0.001
C6H8 Bicyclo[3.1.0]hex-2-ene 1.530 0.001
C6H10O cyclohexanone 1.545 0.001
C7H12 Norbornane 1.573 0.001
C2H6O2 1,2-Ethanediol 1.530 0.002
C12H10 biphenyl 1.489 0.002
C2H Ethynyl radical 1.217 0.002
C4H5NO 3-Methylisoxazole 1.514 0.002
C5H4O2 4-Cyclopentene-1,3-dione 1.509 0.002
CH3CH(CH3)ONO Isopropyl nitrite 1.534 0.003
CH2CHCHCH2 1,3-Butadiene 1.476 0.003
CH2ClCH2CH2CH3 Butane, 1-chloro- 1.533 0.003
C12H8 biphenylene 1.524 0.003
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.514 0.003
C4H6S Thiophene, 2,5-dihydro- 1.518 0.003
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.518 0.003
CH3CHClCH2CH3 Butane, 2-chloro- 1.534 0.004
C5H8 Spiropentane 1.557 0.004
C6H5CCH phenylacetylene 1.448 0.004
C3F6 hexafluoropropene 1.513 0.004
C4H5NO Isoxazole, 5-methyl- 1.505 0.005
C7H12 Norbornane 1.546 0.005
C5H10 Cyclopentane 1.546 0.005
CH2ClCH2Cl Ethane, 1,2-dichloro- 1.531 0.005
C2F6 hexafluoroethane 1.560 0.006
C5H10 Cyclopropane, 1,1-dimethyl- 1.520 0.006
CHCCH2CH3 1-Butyne 1.544 0.006
C2H5NO3 Nitric acid, ethyl ester 1.528 0.007
H2NCH2COOH Glycine 1.532 0.007
CH3COOH Acetic acid 1.517 0.007
C3H7N Cyclopropylamine 1.520 0.007
C2H8N2 Ethylenediamine 1.545 0.007
C5H9N Pentanenitrile 1.536 0.007
C5H12 Propane, 2,2-dimethyl- 1.537 0.008
C6H5CN phenyl cyanide 1.451 0.008
CH2CHCHClCH3 1-Butene, 3-chloro- 1.503 0.008
C7H16 heptane 1.534 0.009
C3H6O Propylene oxide 1.513 0.009
C3H6S Thietane 1.549 0.009
CH3CCl(CH3)CH3 Propane, 2-chloro-2-methyl- 1.530 0.010
C10H16 adamantane 1.540 0.010
C5H6 Cyclopropylacetylene 1.527 0.010
C6H8 Bicyclo[3.1.0]hex-2-ene 1.529 0.010
C6H8 1,4-Cyclohexadiene 1.511 0.010
C5H10O 2-Butanone, 3-methyl- 1.525 0.010
C8H8 cubane 1.571 0.010
C6H8 Bicyclo[3.1.0]hex-2-ene 1.494 0.010
C3H7SH 1-Propanethiol 1.536 0.010
C3H5ClO Oxirane, (chloromethyl)- 1.475 0.010
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.508 0.010
C7H8 Norbornadiene 1.557 0.010
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.481 0.010
C6H12 (E)-3-methylpent-2-ene 1.511 0.011
C5H8 Bicyclo[1.1.1]pentane 1.557 0.011
C5H8 Cyclopentene 1.518 0.011
C12H8 biphenylene 1.428 0.011
CH2SHCH2SH 1,2-Ethanedithiol 1.530 0.011
C9H8 Indene 1.415 0.011
C5H8 1,4-Pentadiene 1.511 0.011
CH2ClCH2CH3 Propane, 1-chloro- 1.525 0.011
C(CN)4 tetracyanomethane 1.484 0.011
C2Cl2 dichloroacetylene 1.246 0.011
C4H5NO Isoxazole, 5-methyl- 1.427 0.011
C12H8 biphenylene 1.432 0.011
C4H8 cyclobutane 1.555 0.011
CH2CCHCH3 1,2-Butadiene 1.515 0.012
C3H6O 2-Propen-1-ol 1.502 0.012
C5H9N Pentanenitrile 1.478 0.012
CH3CHFCH3 2-Fluoropropane 1.521 0.012
C2H2N2O Furazan 1.421 0.012
C6H10O cyclohexanone 1.542 0.012
C5H8O 2H-Pyran, 3,4-dihydro- 1.510 0.012
C5H8 Bicyclo[2.1.0]pentane 1.565 0.012
C5H8 Cyclobutane, methylene- 1.524 0.012
C5H8 1,3-Butadiene, 2-methyl- 1.512 0.012
C6H14 Hexane 1.533 0.013
C5H12 Pentane 1.531 0.013
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.469 0.013
CH3CH2CH2CH3 Butane 1.531 0.013
C5H6 1-Buten-3-yne, 2-methyl- 1.445 0.013
C2H6 Ethane 1.536 0.013
CH3CHCHCH3 2-Butene, (E)- 1.508 0.013
C4H5N Cyclopropanecarbonitrile 1.513 0.013
C5H8 Ethenylcyclopropane 1.522 0.013
C6H5CH3 toluene 1.513 0.013
C3H7SH 1-Propanethiol 1.529 0.013
C5H12O Butane, 1-methoxy- 1.532 0.014
CH3OC2H5 Ethane, methoxy- 1.521 0.014
C4H8O2 1,3-Dioxane 1.528 0.014
CHClCHCl Ethene, 1,2-dichloro-, (E)- 1.354 0.014
C10H8 Azulene 1.414 0.014
C6H6 Fulvene 1.476 0.014
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.528 0.014
CH3CCl2CH3 Propane, 2,2-dichloro- 1.523 0.014
C6H10 cyclohexene 1.510 0.014
CH3SCH2CH3 Ethane, (methylthio)- 1.530 0.014
CF3CN Acetonitrile, trifluoro- 1.492 0.014
C3H4N2 1H-Pyrazole 1.417 0.014
C2H3 vinyl 1.316 0.014
C5H8 1,2-Butadiene, 3-methyl- 1.514 0.015
CH3COCH3 Acetone 1.520 0.015
C4H5N (E)-2-Butenenitrile 1.501 0.015
CH2CHCH2CH3 1-Butene 1.536 0.015
CHOCHCHCH3 2-Butenal 1.501 0.015
C6H6 Benzvalene 1.529 0.015
C6H10 cyclohexene 1.530 0.015
C5H6 Propellane 1.525 0.015
C5H10O 2H-Pyran, tetrahydro- 1.531 0.015
C6H8 (Z)-hexa-1,3,5-triene 1.368 0.015
CF3COOH trifluoroacetic acid 1.546 0.015
C5H11N Piperidine 1.531 0.015
C5H10 Cyclopropane, 1,1-dimethyl- 1.514 0.015
CH3CHS Thioacetaldehyde 1.506 0.015
C6H4Cl2 1,3-dichlorobenzene 1.404 0.015
C4H10O Propane, 2-methoxy- 1.528 0.016
C6H10 cyclohexene 1.530 0.016
C10H8 Azulene 1.407 0.016
CH3CHClCH3 Propane, 2-chloro- 1.522 0.016
C5H8O 2H-Pyran, 3,4-dihydro- 1.530 0.016
C6H8 Bicyclo[3.1.0]hex-2-ene 1.522 0.016
CH3CH2SH ethanethiol 1.528 0.016
C6H5CH2CH3 Ethylbenzene 1.535 0.016
C4H5NO 3-Methylisoxazole 1.427 0.016
CH3COF Acetyl fluoride 1.503 0.016
C4H6O Cyclobutanone 1.556 0.016
CH3CONH2 Acetamide 1.519 0.017
C6H8 (Z)-hexa-1,3,5-triene 1.458 0.017
C5H8 Cyclobutane, methylene- 1.557 0.017
C2H2O2 Ethanedial 1.526 0.017
C7H8 Norbornadiene 1.530 0.017
C5H10O 2-Butanone, 3-methyl- 1.534 0.017
C7H12 Norbornane 1.536 0.017
C6H12 Cyclohexane 1.530 0.017
C5H7N Cyclobutanecarbonitrile 1.551 0.017
CH3CHCHCH3 2-Butene, (Z)- 1.506 0.017
C5H8 Bicyclo[2.1.0]pentane 1.528 0.017
C6F6 hexafluorobenzene 1.401 0.018
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.507 0.018
C6H6 Fulvene 1.470 0.018
CH2CHCHClCH3 1-Butene, 3-chloro- 1.522 0.018
C4H6O Furan, 2,5-dihydro- 1.347 0.018
C4H8O2 Ethyl acetate 1.515 0.018
CH2ClCHO chloroacetaldehyde 1.521 0.018
CH3CH2CHO Propanal 1.523 0.018
C6H6 Benzvalene 1.503 0.018
C3H6O Propylene oxide 1.471 0.018
C4H10O Ethoxy ethane 1.517 0.018
C5H8 Ethenylcyclopropane 1.475 0.018
C6H5Cl chlorobenzene 1.402 0.018
CH3CH2NH2 Ethylamine 1.531 0.018
CH2CHCH3 Propene 1.353 0.019
C5H10S 2H-Thiopyran, tetrahydro- 1.528 0.019
C4H8O2 Ethyl acetate 1.508 0.019
C4H6 Cyclobutene 1.566 0.019
C5H5N Pyridine 1.400 0.019
CH3CH2CHO Propanal 1.509 0.019
C5H8 Cyclopentene 1.540 0.019
C4H9N Pyrrolidine 1.534 0.019
C2H3CCH 1-Buten-3-yne 1.434 0.019
CH3CH(CH3)CH3 Isobutane 1.525 0.019
CH3COCl Acetyl Chloride 1.506 0.020
C4H6O Furan, 2,5-dihydro- 1.502 0.020
C5H8 Cyclopentene 1.350 0.020
C2H2O4 Oxalic Acid 1.544 0.020
C3H8 Propane 1.526 0.020
CHOCH(CH3)CH3 Propanal, 2-methyl- 1.528 0.020
C5H8O Methyl cyclopropyl ketone 1.510 0.020
C3F8 perfluoropropane 1.546 0.020
C4H6 Cyclobutene 1.517 0.020
CH2ClCHClCH3 Propane, 1,2-dichloro- 1.519 0.020
CH3CSNH2 Ethanethioamide 1.512 0.020
C4H4S Thiophene 1.423 0.020
CH2CHCH2F Allyl Fluoride 1.350 0.021
CHOCHCHCH3 2-Butenal 1.470 0.021
CH2CF2 Ethene, 1,1-difluoro- 1.340 0.021
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.501 0.021
C6H8 Bicyclo[3.1.0]hex-2-ene 1.521 0.021
C3H8O2 1,3-Propanediol 1.514 0.021
C8H8 cyclooctatetraene 1.470 0.021
CH3CH2O Ethoxy radical 1.521 0.022
C4H6 Bicyclo[1.1.0]butane 1.498 0.022
C2H4S Thiirane 1.484 0.022
CH3CH2OH Ethanol 1.512 0.022
C6H5Cl chlorobenzene 1.399 0.022
C5H8O 2H-Pyran, 3,4-dihydro- 1.516 0.023
C2HF3 Trifluoroethylene 1.341 0.023
C6H5CN phenyl cyanide 1.396 0.023
C6H5CCH phenylacetylene 1.396 0.023
CH3CHCHCH3 2-Butene, (E)- 1.347 0.023
C2H5CN ethyl cyanide 1.468 0.023
C5H8 1,3-Butadiene, 2-methyl- 1.463 0.023
C3H4O Cyclopropanone 1.475 0.024
C6H5CCH phenylacetylene 1.398 0.024
C6H8 1,4-Cyclohexadiene 1.347 0.024
C4H2 Diacetylene 1.378 0.024
C4H5N Pyrrole 1.417 0.024
C2H5CN ethyl cyanide 1.526 0.024
C4H4N2 Succinonitrile 1.465 0.024
C5H8 Spiropentane 1.482 0.024
CH2ClCCCl 1,3-dichloropropyne 1.456 0.024
CH3CHSHCH3 2-Propanethiol 1.520 0.024
C6H5OH phenol 1.398 0.024
C6H5CN phenyl cyanide 1.397 0.024
C4H10O Propane, 2-methoxy- 1.519 0.025
CF2CCl2 difluorodichloroethylene 1.345 0.025
C10H8 Azulene 1.405 0.025
C6H4Cl2 1,4-dichlorobenzene 1.394 0.025
C5H6S Thiophene, 3-methyl- 1.423 0.025
C2N2 Cyanogen 1.389 0.025
C5H6 Cyclopropylacetylene 1.503 0.025
C6H5F Fluorobenzene 1.397 0.025
C4H5N (E)-2-Butenenitrile 1.432 0.025
CH3CCCH3 2-Butyne 1.468 0.025
C6H6 Benzene 1.397 0.025
CH3CHF2 Ethane, 1,1-difluoro- 1.498 0.025
C5H6 1-Buten-3-yne, 2-methyl- 1.501 0.025
CH2CHCH2CH3 1-Butene 1.493 0.026
C4H4N2 1,3-Diazine 1.393 0.026
C4H6O Cyclobutanone 1.527 0.026
C6H5CH2CH3 Ethylbenzene 1.399 0.026
C6H5CH3 toluene 1.395 0.026
C10H8 Azulene 1.398 0.026
C6H12 (E)-3-methylpent-2-ene 1.349 0.026
C6H5CH3 toluene 1.395 0.026
CH3CH(CH3)CN Propanenitrile, 2-methyl- 1.522 0.026
C6H5F Fluorobenzene 1.395 0.027
CH3CHO Acetaldehyde 1.501 0.027
C2H5N Aziridine 1.481 0.027
CH3CF3 Ethane, 1,1,1-trifluoro- 1.494 0.027
C4H5NO 3-Methylisoxazole 1.362 0.027
CH3CH2Cl Ethyl chloride 1.510 0.028
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 0.028
C4H6S Thiophene, 2,5-dihydro- 1.340 0.028
C2H5F fluoroethane 1.505 0.028
CH2CHCHO Acrolein 1.468 0.028
CH3CHCHCH3 2-Butene, (Z)- 1.346 0.028
C4N2 2-Butynedinitrile 1.370 0.028
C6H4Cl2 1,3-dichlorobenzene 1.392 0.028
HCCCN Cyanoacetylene 1.376 0.029
C6H10O cyclohexanone 1.503 0.029
CH2CClCHCH2 1,3-Butadiene, 2-chloro- 1.344 0.029
C4H10O2 Ethane, 1,2-dimethoxy- 1.504 0.029
CHOCHCHCH3 2-Butenal 1.345 0.029
CH2CHCH2CH3 1-Butene 1.342 0.029
C4H4N2 Pyridazine 1.396 0.029
C4H4N2 Pyrazine 1.397 0.030
C4H5N Pyrrole 1.382 0.030
C2H3CCH 1-Buten-3-yne 1.344 0.030
C3H4O Cyclopropanone 1.575 0.030
C6H6 Fulvene 1.349 0.031
C4H6 Methylenecyclopropane 1.542 0.031
C2Cl4 Tetrachloroethylene 1.354 0.031
H2CCCCH2 Butatriene 1.283 0.031
C6H10 cyclohexene 1.340 0.031
C4H5NO Isoxazole, 5-methyl- 1.362 0.031
C3H2N2 Malononitrile 1.459 0.031
CHF2CHF2 1,1,2,2-tetrafluoroethane 1.511 0.031
CH3CCH propyne 1.460 0.032
C6H5CH3 toluene 1.394 0.032
C4H6 Methylenecyclopropane 1.332 0.032
C3H4 cyclopropene 1.509 0.032
C6H4Cl2 1,3-dichlorobenzene 1.388 0.032
C12H8 biphenylene 1.372 0.032
C6H5F Fluorobenzene 1.383 0.032
CH2CHCHO Acrolein 1.341 0.032
CH2CHCH3 Propene 1.488 0.032
CH2CHCH2CH2Cl 1-Butene, 4-chloro- 1.339 0.032
C5H6S Thiophene, 3-methyl- 1.370 0.032
C2H4O Ethylene oxide 1.459 0.032
CHCCH2CH3 1-Butyne 1.457 0.032
C5H8 1,4-Pentadiene 1.339 0.032
C6H4Cl2 1,4-dichlorobenzene 1.388 0.032
CH2CHCH2F Allyl Fluoride 1.480 0.033
CH2CHCHClCH3 1-Butene, 3-chloro- 1.337 0.033
C6H6 Fulvene 1.355 0.033
C2H4F2 1,2-difluoroethane 1.493 0.033
CH(CN)3 tricyanomethane 1.460 0.033
C5H10 2-Pentene, (Z)- 1.490 0.033
CH3CN Acetonitrile 1.458 0.033
C3H6O 2-Propen-1-ol 1.337 0.033
C5H5N Pyridine 1.390 0.033
C3H3N acrylonitrile 1.339 0.034
C3H3N acrylonitrile 1.426 0.034
C6H5NH2 aniline 1.392 0.034
C4H2O3 Maleic Anhydride 1.332 0.034
C4H4S Thiophene 1.370 0.034
C10H8 Azulene 1.484 0.034
C6H5Cl chlorobenzene 1.386 0.034
C3H6 Cyclopropane 1.501 0.035
C4H4N2 Pyridazine 1.375 0.035
C5H4O2 4-Cyclopentene-1,3-dione 1.341 0.035
C4H6 Methylenecyclopropane 1.457 0.035
C5H10 2-Pentene, (Z)- 1.338 0.036
C6H8 Bicyclo[3.1.0]hex-2-ene 1.338 0.036
C5H8O 2H-Pyran, 3,4-dihydro- 1.338 0.036
C2H4 Ethylene 1.339 0.036
C3H2O3 vinylene carbonate 1.331 0.036
C7H8 Norbornadiene 1.336 0.036
CH2CHF Ethene, fluoro- 1.329 0.036
C2H2F2 Ethene, 1,2-difluoro-, (E)- 1.329 0.036
C4H6 Cyclobutene 1.342 0.036
C5H8 Cyclobutane, methylene- 1.331 0.036
C5H8 1,3-Butadiene, 2-methyl- 1.340 0.037
C2H3Cl Ethene, chloro- 1.332 0.037
C5H10 2-Pentene, (E)- 1.334 0.037
C4H5N (E)-2-Butenenitrile 1.336 0.037
C6H6 Trimethylenecycopropane 1.437 0.037
C6H6 Benzvalene 1.452 0.037
C3F6 hexafluoropropene 1.329 0.037
C6H6 Benzvalene 1.339 0.037
CH2CHCHCH2 1,3-Butadiene 1.337 0.037
C3H4N2 1H-Pyrazole 1.374 0.038
C5H8 Ethenylcyclopropane 1.334 0.038
HOCH2COOH Hydroxyacetic acid 1.495 0.038
CHClCCl2 Trichloroethylene 1.337 0.038
C10H8 Azulene 1.377 0.038
C6H5CN phenyl cyanide 1.388 0.039
C2H2ClF 1-chloro-1-fluoroethylene 1.327 0.039
CH2CCHCH3 1,2-Butadiene 1.314 0.039
C6H8 (Z)-hexa-1,3,5-triene 1.337 0.039
C5H6 1-Buten-3-yne, 2-methyl- 1.336 0.039
C5H10 2-Pentene, (E)- 1.484 0.039
C8H8 cyclooctatetraene 1.337 0.039
C6H5CCH phenylacetylene 1.388 0.040
C5H8O Cyclopentanone 1.504 0.040
C5H6 Cyclopropylacetylene 1.422 0.041
C2H2F2 Ethene, 1,2-difluoro-, (Z)- 1.324 0.041
C3H4 cyclopropene 1.296 0.042
C2H2+ acetylene cation 1.253 0.042
C5H6 Propellane 1.596 0.042
C3H3NO Oxazole 1.353 0.043
CH2C(CH3)CH3 1-Propene, 2-methyl- 1.330 0.043
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 1.330 0.043
CHCCH2CH3 1-Butyne 1.217 0.043
C6H8 Bicyclo[2.1.1]hex-2-ene 1.332 0.043
ClCOClCO Oxalyl chloride 1.534 0.044
C3H4N2 1H-Imidazole 1.364 0.044
CH2CCH2 allene 1.308 0.044
H2CCCCH2 Butatriene 1.318 0.044
C4H6 Bicyclo[1.1.0]butane 1.497 0.045
C6H6 Trimethylenecycopropane 1.330 0.045
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.398 0.045
C6H8 Bicyclo[3.1.0]hex-2-ene 1.482 0.045
C5H5N Bicyclo[1.1.0]butane-1-carbonitrile 1.498 0.045
CH2CS Thioketene 1.314 0.045
CH2CO Ketene 1.314 0.046
C4 Carbon tetramer 1.304 0.046
CH2CCl2 Ethene, 1,1-dichloro- 1.324 0.046
CH2CCHCH3 1,2-Butadiene 1.301 0.047
C5H8 Bicyclo[2.1.0]pentane 1.507 0.047
C2H3CCH 1-Buten-3-yne 1.215 0.047
CH2CHOH ethenol 1.326 0.048
CH3CCCH3 2-Butyne 1.214 0.049
C2F4 Tetrafluoroethylene 1.311 0.050
C5H6 Cyclopropylacetylene 1.211 0.050
C6H10 1-Butyne, 3,3-dimethyl- 1.209 0.051
HCCF Fluoroacetylene 1.198 0.051
C12H8 biphenylene 1.370 0.052
CH3CCH propyne 1.207 0.052
F2CCCF2 tetrafluoroallene 1.282 0.052
C6H5CCH phenylacetylene 1.208 0.053
HCCCl Chloroacetylene 1.203 0.054
C2H2 Acetylene 1.203 0.054
CHClCHCl Ethene, 1,2-dichloro-, (Z)- 1.317 0.054
C4H6O2 2,3-Butanedione 1.507 0.055
C5H6 1-Buten-3-yne, 2-methyl- 1.207 0.056
HCCCN Cyanoacetylene 1.206 0.056
CH2ClCCCl 1,3-dichloropropyne 1.201 0.059
C4H2 Diacetylene 1.205 0.059
C3O2 Carbon suboxide 1.251 0.060
SiC2 Silicon dicarbide 1.265 0.061
C2 Carbon diatomic 1.243 0.063
C3 carbon trimer 1.277 0.065
C4N2 2-Butynedinitrile 1.190 0.079
C2F2 difluoroacetylene 1.187 0.090
C4H6 1-Methylcyclopropene 1.300 0.245
C4H6 1-Methylcyclopropene 1.476 0.817
C5H6 1,3-Cyclopentadiene 1.340 2.042