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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 | |
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| -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 | C2H2O2 | Ethanedial | -0.032 |
| Most positive difference | C4H6 | 1-Methylcyclopropene | 3.130 |
Bond lengths
Click on entry for experimental details.
| Species | Name | Experimental (Å) | Difference (Å) |
|---|---|---|---|
| C2H2O2 | Ethanedial | 1.132 | -0.032 |
| CH2CClCHCH2 | 1,3-Butadiene, 2-chloro- | 1.098 | -0.019 |
| CH3CN | Acetonitrile | 1.104 | -0.016 |
| CH3CH2CHO | Propanal | 1.103 | -0.014 |
| CH3CCl2CH3 | Propane, 2,2-dichloro- | 1.101 | -0.014 |
| CH2NH | Methanimine | 1.103 | -0.012 |
| H2CO | Formaldehyde | 1.111 | -0.010 |
| CH2CS | Thioketene | 1.090 | -0.010 |
| CH3CH2CHO | Propanal | 1.105 | -0.010 |
| CH3CH2CHO | Propanal | 1.115 | -0.010 |
| CH3CHO | Acetaldehyde | 1.114 | -0.009 |
| CH2CHF | Ethene, fluoro- | 1.087 | -0.008 |
| CH2 | Methylene | 1.085 | -0.008 |
| CH2CHCHO | Acrolein | 1.113 | -0.008 |
| CH2CO | Ketene | 1.083 | -0.006 |
| CH3CH2CHO | Propanal | 1.096 | -0.006 |
| CH3CCH | propyne | 1.096 | -0.006 |
| CH(CN)3 | tricyanomethane | 1.100 | -0.006 |
| CH2CHCHO | Acrolein | 1.089 | -0.005 |
| CH3CHS | Thioacetaldehyde | 1.098 | -0.005 |
| CH2CCH2 | allene | 1.087 | -0.005 |
| CH3Cl | Methyl chloride | 1.090 | -0.005 |
| CHF3 | Methane, trifluoro- | 1.091 | -0.004 |
| CH2CHCH2CH3 | 1-Butene | 1.095 | -0.004 |
| C2H4 | Ethylene | 1.086 | -0.004 |
| C2H4F2 | 1,2-difluoroethane | 1.094 | -0.004 |
| CH2CHCH2CH3 | 1-Butene | 1.090 | -0.003 |
| CH3CHS | Thioacetaldehyde | 1.090 | -0.003 |
| CH3SCH3 | Dimethyl sulfide | 1.091 | -0.003 |
| C3H6 | Cyclopropane | 1.083 | -0.002 |
| CH3 | Methyl radical | 1.079 | -0.002 |
| CH2Cl2 | Methylene chloride | 1.085 | -0.002 |
| H2CS | Thioformaldehyde | 1.087 | -0.002 |
| CH2CHCHO | Acrolein | 1.084 | -0.001 |
| C2H4S | Thiirane | 1.083 | -0.001 |
| C2H3 | vinyl | 1.080 | -0.001 |
| CH2CHF | Ethene, fluoro- | 1.082 | -0.001 |
| CH3NO2 | Methane, nitro- | 1.088 | -0.001 |
| C2H5Br | Ethyl bromide | 1.093 | -0.001 |
| C2H5Br | Ethyl bromide | 1.087 | -0.001 |
| C2H6 | Ethane | 1.091 | -0.000 |
| CH2CHCHO | Acrolein | 1.081 | -0.000 |
| C3H4 | cyclopropene | 1.088 | -0.000 |
| CH3CHS | Thioacetaldehyde | 1.089 | 0.000 |
| C2H4O | Ethylene oxide | 1.084 | 0.000 |
| CH4 | Methane | 1.087 | 0.000 |
| CH3CH2SH | ethanethiol | 1.091 | 0.000 |
| C4H5N | Pyrrole | 1.076 | 0.000 |
| C2H2 | Acetylene | 1.063 | 0.001 |
| CH3CHO | Acetaldehyde | 1.086 | 0.001 |
| CH3Br | methyl bromide | 1.082 | 0.001 |
| C4H4Se | selenophene | 1.079 | 0.002 |
| HCN | Hydrogen cyanide | 1.064 | 0.002 |
| C3H4 | cyclopropene | 1.072 | 0.002 |
| CH2CHF | Ethene, fluoro- | 1.077 | 0.002 |
| C2H2+ | acetylene cation | 1.077 | 0.002 |
| C2H5CN | ethyl cyanide | 1.087 | 0.002 |
| CH2Br2 | dibromomethane | 1.079 | 0.003 |
| C2H3 | vinyl | 1.085 | 0.003 |
| CH3CCH | propyne | 1.060 | 0.003 |
| C2H5CN | ethyl cyanide | 1.088 | 0.003 |
| CH | Methylidyne | 1.120 | 0.004 |
| CH3NH2 | methyl amine | 1.093 | 0.004 |
| CH2F2 | Methane, difluoro- | 1.084 | 0.005 |
| CH2NH | Methanimine | 1.081 | 0.005 |
| CH3CHF2 | Ethane, 1,1-difluoro- | 1.081 | 0.007 |
| C4H4Se | selenophene | 1.070 | 0.007 |
| HCCF | Fluoroacetylene | 1.053 | 0.008 |
| C3H5 | Allyl radical | 1.069 | 0.016 |
| HCNO | fulminic acid | 1.027 | 0.033 |
| HCO | Formyl radical | 1.080 | 0.038 |
| C4H10O | Methyl propyl ether | 1.099 | 0.315 |
| C3H3NO | Isoxazole | 1.075 | 0.353 |
| C4H6 | 1-Methylcyclopropene | 1.070 | 0.438 |
| C4H6 | 1-Methylcyclopropene | 1.098 | 0.662 |
| C4H6 | 1-Methylcyclopropene | 1.098 | 0.675 |
| C4H6 | 1-Methylcyclopropene | 1.087 | 0.731 |
| C4H6 | 1-Methylcyclopropene | 1.087 | 2.338 |
| C4H6 | 1-Methylcyclopropene | 1.085 | 3.130 |