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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 |
|---|---|---|---|---|
| CH3SiH3 | methyl silane | 108.4 | 108.3 | 0.1 |
| SiH2(CH3)2 | dimethylsilane | 107.8 | 107.5 | 0.4 |
| Si2H6 | disilane | 109.5 | 108.5 | 1.0 |
| SiH2Cl2 | dichlorosilane | 111.3 | 112.8 | -1.5 |
| SiH4 | Silane | 109.5 | 109.5 | -0.0 |
| SiH3Cl | chlorosilane | 110.6 | 110.4 | 0.2 |
| SiH3F | monofluorosilane | 110.6 | 110.6 | 0.0 |
| SiH3 | Silyl radical | 110.5 | 111.0 | -0.5 |
| SiH3+ | Silyl cation | 120.0 | 120.0 | -0.0 |
| SiH2F2 | difluorosilane | 114.6 | 114.6 | -0.1 |
| SiH2 | silicon dihydride | 92.0 | 91.7 | 0.3 |
B3LYP/Def2TZVPP for aHSiH
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| -1.5 | -1 | -0.5 | 0 | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | SiH2Cl2 | dichlorosilane | -1.5 |
| Most positive difference | Si2H6 | disilane | 1.0 |