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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 |
Species | Name | Experimental Angle | Calculated Angle | Difference |
---|---|---|---|---|
H2CO | Formaldehyde | 121.9 | 122.7 | -0.8 |
C4H10O | Ethoxy ethane | 110.0 | 110.9 | -0.9 |
HCOOH | Formic acid | 124.1 | 126.0 | -1.9 |
C2H4O | Ethylene oxide | 114.7 | 116.6 | -1.9 |
HOCH2COOH | Hydroxyacetic acid | 110.6 | 110.9 | -0.3 |
CH2CHCHO | Acrolein | 121.3 | 121.8 | -0.5 |
CH2CHCHO | Acrolein | 120.2 | 121.8 | -1.6 |
C3H6O | 2-Propen-1-ol | 113.3 | 111.5 | 1.8 |
C3H6O | 2-Propen-1-ol | 107.3 | 110.7 | -3.4 |
CH3OCHO | methyl formate | 109.3 | 125.7 | -16.4 |
C3H8O2 | Methane, dimethoxy- | 110.3 | 107.3 | 3.0 |
C4H4O | Furan | 115.9 | 116.5 | -0.6 |
CH3OCH3 | Dimethyl ether | 107.1 | 107.4 | -0.3 |
CH3OCH3 | Dimethyl ether | 111.0 | 112.1 | -1.0 |
CH2C(CH3)OCH3 | 1-Propene, 2-methoxy- | 109.7 | 112.3 | -2.6 |
CH3CH2CHO | Propanal | 120.5 | 121.5 | -1.0 |
C4H8O2 | Ethyl acetate | 108.3 | 110.5 | -2.2 |
CH2O2 | Dioxirane | 115.8 | 117.6 | -1.7 |
C3H3NO | Oxazole | 117.1 | 117.7 | -0.6 |
C3H3NO | Oxazole | 116.9 | 117.4 | -0.5 |
CH3OC2H5 | Ethane, methoxy- | 107.5 | 107.5 | 0.0 |
CH3OC2H5 | Ethane, methoxy- | 111.1 | 112.1 | -1.1 |
CH3OC2H5 | Ethane, methoxy- | 110.3 | 110.9 | -0.5 |
CH3CH(CH3)ONO | Isopropyl nitrite | 109.5 | 109.0 | 0.5 |
CH3NO3 | Methyl nitrate | 110.4 | 111.6 | -1.2 |
CH3NO3 | Methyl nitrate | 103.4 | 104.6 | -1.2 |
CH3ONO | Methyl nitrite | 101.8 | 105.4 | -3.6 |
CH3ONO | Methyl nitrite | 110.0 | 111.9 | -1.9 |
HFCO | formyl fluoride | 127.3 | 125.6 | 1.7 |
HCO | Formyl radical | 119.5 | 126.3 | -6.8 |
HF/STO-3G for aHCO
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12 | ![]() |
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8 | ![]() |
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4 | ![]() |
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0 | ![]() |
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-18 | -16 | -14 | -12 | -10 | -8 | -6 | -4 | -2 | 0 | 2 | 4 | 6 | ||||||||||||||||||||||||||||
Angle difference calc. - exp. (degrees) |
Species | Name | Difference (degrees) | |
---|---|---|---|
Most negative difference | CH3OCHO | methyl formate | -16.4 |
Most positive difference | C3H8O2 | Methane, dimethoxy- | 3.0 |