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Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology |
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| Species | Name | Experimental Angle | Calculated Angle | Difference |
|---|---|---|---|---|
| H2CO | Formaldehyde | 116.1 | 116.2 | -0.1 |
| CH3OH | Methyl alcohol | 109.0 | 107.8 | 1.3 |
| CH3Br | methyl bromide | 111.2 | 110.5 | 0.7 |
| C2H6 | Ethane | 108.0 | 107.2 | 0.8 |
| CH3Cl | Methyl chloride | 110.8 | 109.8 | 0.9 |
| CH3SH | Methanethiol | 110.3 | 108.5 | 1.8 |
| CH2Br2 | dibromomethane | 110.9 | 112.1 | -1.2 |
| C2H5Br | Ethyl bromide | 108.9 | 108.1 | 0.8 |
| C2H5Br | Ethyl bromide | 109.9 | 108.9 | 1.0 |
| CH2BrCl | Methane, bromochloro- | 109.5 | 111.5 | -2.0 |
| C3H8 | Propane | 106.1 | 105.7 | 0.4 |
| C3H8 | Propane | 107.3 | 107.6 | -0.3 |
| C3H8 | Propane | 108.1 | 107.1 | 1.0 |
| CH3CCH | propyne | 108.3 | 107.5 | 0.7 |
| CH3CN | Acetonitrile | 109.5 | 108.4 | 1.1 |
| CH3CHO | Acetaldehyde | 108.3 | 110.3 | -2.0 |
| CH3CH2SH | ethanethiol | 106.6 | 106.6 | -0.1 |
| CH3CH2SH | ethanethiol | 108.9 | 111.6 | -2.7 |
| CH3CH2SH | ethanethiol | 108.9 | 106.6 | 2.3 |
| CH3CH2SH | ethanethiol | 106.6 | 106.6 | -0.1 |
| CH3CH2SH | ethanethiol | 108.1 | 107.5 | 0.6 |
| CH3CH2SH | ethanethiol | 109.3 | 107.5 | 1.8 |
| CH3CH2SH | ethanethiol | 106.9 | 107.6 | -0.6 |
| CH3SCH3 | Dimethyl sulfide | 109.6 | 108.4 | 1.2 |
| CH2CHCH2CH3 | 1-Butene | 105.7 | 106.3 | -0.6 |
| C5H8O | Cyclopentanone | 110.0 | 106.6 | 3.4 |
| C4H8O2 | Ethyl acetate | 108.1 | 106.6 | 1.5 |
| CH2BrF | Methane, bromofluoro- | 112.0 | 112.7 | -0.7 |
| C2H4S | Thiirane | 115.8 | 114.8 | 1.0 |
| CH3CF3 | Ethane, 1,1,1-trifluoro- | 106.8 | 109.6 | -2.8 |
| CH2FCH2CH3 | 1-Fluoropropane | 109.0 | 108.4 | 0.6 |
| CH2FCH2CH3 | 1-Fluoropropane | 107.3 | 106.7 | 0.6 |
| CH2FCH2CH3 | 1-Fluoropropane | 107.7 | 107.4 | 0.3 |
| CH2FCH2CH3 | 1-Fluoropropane | 108.5 | 107.4 | 1.1 |
| CH2CCH2 | allene | 118.2 | 117.4 | 0.8 |
| CH2CO | Ketene | 122.6 | 120.3 | 2.2 |
| C5H12 | Propane, 2,2-dimethyl- | 106.6 | 107.8 | -1.2 |
| C6H6 | Fulvene | 117.0 | 117.5 | -0.5 |
| CH3CCCH3 | 2-Butyne | 108.2 | 111.6 | -3.4 |
| CH3OC2H5 | Ethane, methoxy- | 108.6 | 107.9 | 0.6 |
| CH3OC2H5 | Ethane, methoxy- | 107.4 | 106.6 | 0.8 |
| CH3OC2H5 | Ethane, methoxy- | 108.6 | 108.1 | 0.5 |
| CH3COF | Acetyl fluoride | 110.9 | 110.3 | 0.6 |
| C5H10O | 2-Butanone, 3-methyl- | 108.7 | 109.1 | -0.4 |
| CH3F | Methyl fluoride | 110.2 | 109.8 | 0.4 |
| CH2FCl | fluorochloromethane | 110.4 | 112.3 | -1.9 |
| CH3NC | methyl isocyanide | 109.4 | 108.7 | 0.7 |
| CH3OCl | methyl hypochlorite | 110.5 | 109.5 | 1.0 |
| CH3OCl | methyl hypochlorite | 108.3 | 110.0 | -1.7 |
| CH3SeCH3 | dimethylselenide | 110.3 | 109.8 | 0.5 |
| CH3CCl2CH3 | Propane, 2,2-dichloro- | 107.2 | 108.9 | -1.7 |
| CH3SCH2CH3 | Ethane, (methylthio)- | 108.4 | 107.7 | 0.7 |
| CH3SCH2CH3 | Ethane, (methylthio)- | 109.5 | 109.4 | 0.1 |
| CH3SCH2CH3 | Ethane, (methylthio)- | 109.5 | 108.4 | 1.1 |
| CH3SCH2CH3 | Ethane, (methylthio)- | 108.2 | 107.9 | 0.3 |
| CH3SCH2CH3 | Ethane, (methylthio)- | 108.6 | 107.8 | 0.8 |
| CH3ONO | Methyl nitrite | 108.1 | 108.1 | -0.0 |
| CH3ONO | Methyl nitrite | 113.4 | 111.2 | 2.3 |
| C5H12O | Butane, 1-methoxy- | 108.2 | 107.7 | 0.5 |
| C5H12O | Butane, 1-methoxy- | 109.7 | 108.9 | 0.8 |
| C6H8 | Bicyclo[3.1.0]hex-2-ene | 116.7 | 115.1 | 1.6 |
| C3H7N | Cyclopropylamine | 116.2 | 115.4 | 0.8 |
| C4H6 | Cyclobutene | 109.2 | 108.2 | 1.0 |
| H2CS | Thioformaldehyde | 116.5 | 115.8 | 0.7 |
| CH3NO | nitrosomethane | 109.3 | 106.0 | 3.3 |
| C5H4O2 | 4-Cyclopentene-1,3-dione | 113.2 | 106.5 | 6.7 |
| CH3SiH3 | methyl silane | 108.0 | 108.1 | -0.1 |
| SiH2(CH3)2 | dimethylsilane | 107.8 | 107.9 | -0.2 |
| SiH2(CH3)2 | dimethylsilane | 108.1 | 108.0 | 0.1 |
| C5H8 | Cyclobutane, methylene- | 106.0 | 108.3 | -2.3 |
| C4H6O | Cyclobutanone | 105.9 | 107.8 | -1.9 |
| GeH3CH3 | methyl germane | 108.4 | 108.7 | -0.3 |
| C5H10S | 2H-Thiopyran, tetrahydro- | 105.7 | 106.2 | -0.5 |
| C4H6O | Furan, 2,5-dihydro- | 107.1 | 106.9 | 0.2 |
| C4H6S | Thiophene, 2,5-dihydro- | 109.8 | 107.2 | 2.6 |
| CH2NH | Methanimine | 116.9 | 116.2 | 0.7 |
| CH3CH2O | Ethoxy radical | 108.1 | 111.5 | -3.4 |
| CH3CH2O | Ethoxy radical | 106.5 | 97.0 | 9.5 |
| CH3 | Methyl radical | 120.0 | 120.0 | -0.0 |
| CH2 | Methylene | 135.5 | 136.3 | -0.8 |
| CH2 | Methylene | 102.4 | 136.3 | -33.9 |
| C3H4O | Cyclopropanone | 114.1 | 114.1 | -0.0 |
| C4H5N | Cyclopropanecarbonitrile | 114.6 | 115.0 | -0.4 |
| C3H4O | Methylketene | 109.9 | 107.4 | 2.5 |
| C4H6 | Methylenecyclopropane | 114.3 | 117.5 | -3.2 |
| C4H6 | Methylenecyclopropane | 113.5 | 114.1 | -0.6 |
| C5H6 | Cyclopropylacetylene | 114.6 | 115.0 | -0.4 |
| CH2Cl | chloromethyl radical | 122.6 | 124.2 | -1.6 |
| C5H6 | Propellane | 116.0 | 115.4 | 0.6 |
| CH2PH | Phosphaethene | 117.2 | 115.6 | 1.6 |
LSDA/6-31+G** for aHCH
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| -35 | -30 | -25 | -20 | -15 | -10 | -5 | 0 | 5 | 10 | 15 | 20 | 25 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | CH2 | Methylene | -33.9 |
| Most positive difference | CH3CH2O | Ethoxy radical | 9.5 |