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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 | CHOCHCHCH3 | 2-Butenal | -0.070 |
| Most positive difference | C4H6 | 1-Methylcyclopropene | 3.145 |
Bond lengths
Click on entry for experimental details.
| Species | Name | Experimental (Å) | Difference (Å) |
|---|---|---|---|
| CHOCHCHCH3 | 2-Butenal | 1.108 | -0.070 |
| CHOCHCHCH3 | 2-Butenal | 1.084 | -0.035 |
| CHOCHCHCH3 | 2-Butenal | 1.086 | -0.033 |
| C4H5N | Pyrrole | 1.076 | -0.032 |
| HCO | Formyl radical | 1.080 | -0.030 |
| CH3CCH | propyne | 1.060 | -0.029 |
| C2H2O2 | Ethanedial | 1.132 | -0.028 |
| HCCl | Chloromethylene | 1.119 | -0.025 |
| C8H8 | cubane | 1.097 | -0.025 |
| CHOCHCHCH3 | 2-Butenal | 1.090 | -0.022 |
| CH2Cl | chloromethyl radical | 1.090 | -0.021 |
| HCCF | Fluoroacetylene | 1.053 | -0.020 |
| CH3 | Methyl radical | 1.079 | -0.017 |
| C5H6 | Propellane | 1.106 | -0.017 |
| C4H10O2 | Ethane, 1,2-dimethoxy- | 1.109 | -0.016 |
| CH2CClCHCH2 | 1,3-Butadiene, 2-chloro- | 1.098 | -0.016 |
| C4H6O2 | 2,3-Butanedione | 1.114 | -0.014 |
| H2CO | Formaldehyde | 1.111 | -0.014 |
| C5H10 | Cyclopentane | 1.114 | -0.012 |
| CH2CHCHO | Acrolein | 1.113 | -0.010 |
| CH3OCHO | methyl formate | 1.101 | -0.009 |
| C2H | Ethynyl radical | 1.047 | -0.008 |
| CH2CHF | Ethene, fluoro- | 1.087 | -0.006 |
| CH2CHCHO | Acrolein | 1.089 | -0.006 |
| CH3OCH3 | Dimethyl ether | 1.099 | -0.005 |
| CH2CS | Thioketene | 1.090 | -0.005 |
| CH2CCH2 | allene | 1.087 | -0.004 |
| C6H5CH3 | toluene | 1.100 | -0.004 |
| C4H8O2 | Ethyl acetate | 1.105 | -0.004 |
| C10H8 | Azulene | 1.080 | -0.004 |
| CH3COCH3 | Acetone | 1.103 | -0.002 |
| C10H8 | Azulene | 1.081 | -0.001 |
| CH3CCl2CH3 | Propane, 2,2-dichloro- | 1.101 | 0.001 |
| CH3COOH | Acetic acid | 1.100 | 0.002 |
| CH2CHF | Ethene, fluoro- | 1.082 | 0.002 |
| CH2N2 | diazirine | 1.090 | 0.002 |
| CH2CHCHO | Acrolein | 1.081 | 0.003 |
| H2CS | Thioformaldehyde | 1.087 | 0.003 |
| C2H4O | Ethylene oxide | 1.084 | 0.004 |
| C6H5CH3 | toluene | 1.083 | 0.004 |
| C6H5CH3 | toluene | 1.081 | 0.005 |
| CH2CHF | Ethene, fluoro- | 1.077 | 0.005 |
| C2H5Br | Ethyl bromide | 1.093 | 0.007 |
| C6H5CH3 | toluene | 1.081 | 0.007 |
| CH2NN | diazomethane | 1.075 | 0.007 |
| CH3NH2 | methyl amine | 1.093 | 0.007 |
| HCS+ | Thioformyl cation | 1.079 | 0.007 |
| CH3SCH3 | Dimethyl sulfide | 1.091 | 0.007 |
| CH3CCH | propyne | 1.096 | 0.008 |
| CH3CH2SH | ethanethiol | 1.091 | 0.008 |
| CH3OCHO | methyl formate | 1.086 | 0.009 |
| C2H4F2 | 1,2-difluoroethane | 1.094 | 0.009 |
| CH2CHCHO | Acrolein | 1.084 | 0.010 |
| C2H5CN | ethyl cyanide | 1.087 | 0.010 |
| CHONH2 | formamide | 1.090 | 0.010 |
| CH3Br | methyl bromide | 1.082 | 0.011 |
| C2H6O2S | Dimethyl sulfone | 1.091 | 0.011 |
| CH3OCH3 | Dimethyl ether | 1.085 | 0.013 |
| HOCH2COOH | Hydroxyacetic acid | 1.097 | 0.015 |
| C2H5Br | Ethyl bromide | 1.087 | 0.017 |
| CH3NO2 | Methane, nitro- | 1.088 | 0.017 |
| C10H8 | Azulene | 1.084 | 0.017 |
| CHF3 | Methane, trifluoro- | 1.091 | 0.018 |
| HCNO | fulminic acid | 1.027 | 0.019 |
| C10H8 | Azulene | 1.083 | 0.020 |
| CH3CHF2 | Ethane, 1,1-difluoro- | 1.081 | 0.021 |
| CH2F2 | Methane, difluoro- | 1.084 | 0.022 |
| C10H8 | Azulene | 1.081 | 0.022 |
| CH2Cl2 | Methylene chloride | 1.085 | 0.023 |
| CH2Br2 | dibromomethane | 1.079 | 0.025 |
| C3H5 | Allyl radical | 1.069 | 0.027 |
| CHFClBr | fluorochlorobromomethane | 1.088 | 0.027 |
| C2H5CN | ethyl cyanide | 1.088 | 0.028 |
| CH2I2 | Diiodomethane | 1.066 | 0.033 |
| CH(CN)3 | tricyanomethane | 1.100 | 0.046 |
| CHCl3 | Chloroform | 1.073 | 0.046 |
| C3H3NO | Isoxazole | 1.075 | 0.377 |
| C4H6 | 1-Methylcyclopropene | 1.070 | 0.441 |
| C4H6 | 1-Methylcyclopropene | 1.098 | 0.674 |
| C4H6 | 1-Methylcyclopropene | 1.098 | 0.681 |
| C4H6 | 1-Methylcyclopropene | 1.087 | 0.702 |
| C4H6 | 1-Methylcyclopropene | 1.087 | 2.308 |
| C4H6 | 1-Methylcyclopropene | 1.085 | 3.145 |