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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 |
|---|---|---|---|---|
| Si(CH3)4 | tetramethylsilane | 109.2 | 111.5 | -2.3 |
| CH3SiH3 | methyl silane | 110.9 | 110.9 | -0.0 |
| SiH2(CH3)2 | dimethylsilane | 110.9 | 111.1 | -0.2 |
| SiH2(CH3)2 | dimethylsilane | 111.1 | 111.1 | 0.0 |
TPSSh/cc-pVTZ for aHCSi
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| -2.4 | -2.2 | -2 | -1.8 | -1.6 | -1.4 | -1.2 | -1 | -0.8 | -0.6 | -0.4 | -0.2 | 4.44089209850063E-16 | ||||||||||||||||||||||||||||
| Angle difference calc. - exp. (degrees) | ||||||||||||||||||||||||||||||||||||||||
| Species | Name | Difference (degrees) | |
|---|---|---|---|
| Most negative difference | Si(CH3)4 | tetramethylsilane | -2.3 |
| Most positive difference | SiH2(CH3)2 | dimethylsilane | 0.0 |