| |
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 |
|---|---|---|---|---|
| SiH2(CH3)2 | dimethylsilane | 107.8 | 107.7 | 0.1 |
| Si2H6 | disilane | 109.5 | 108.9 | 0.6 |
| SiH2Cl2 | dichlorosilane | 111.3 | 115.5 | -4.2 |
| SiH4 | Silane | 109.5 | 109.5 | -0.0 |
| SiH3Cl | chlorosilane | 110.6 | 111.5 | -0.9 |
| SiH3F | monofluorosilane | 110.6 | 109.4 | 1.2 |
| SiH3 | Silyl radical | 110.5 | 112.0 | -1.5 |
| SiH3+ | Silyl cation | 120.0 | 120.0 | -0.0 |
| SiH2F2 | difluorosilane | 114.6 | 112.8 | 1.8 |
CISD/3-21G for aHSiH
| 10 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||||||||||
| 8 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||||||||||
| 6 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||||||||||
| 4 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||||||||||
| 2 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||
| 0 | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||||||||||||||||
| -4.5 | -4 | -3.5 | -3 | -2.5 | -2 | -1.5 | -1 | -0.5 | 0 | 0.5 | 1 | 1.5 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | SiH2Cl2 | dichlorosilane | -4.2 |
| Most positive difference | SiH2F2 | difluorosilane | 1.8 |