return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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Compare Angles

18 10 26 16 25

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
CH3SiH3 methyl silane 108.4 108.6 -0.2
SiH2(CH3)2 dimethylsilane 107.8 108.0 -0.2
Si2H6 disilane 109.5 108.8 0.7
SiH2Cl2 dichlorosilane 111.3 114.4 -3.1
SiH4 Silane 109.5 109.5 -0.0
SiH3Cl chlorosilane 110.6 111.2 -0.5
SiH3F monofluorosilane 110.6 111.1 -0.5
SiH3 Silyl radical 110.5 112.0 -1.5
SiH3+ Silyl cation 120.0 120.0 -0.0
SiH2F2 difluorosilane 114.6 116.2 -1.6

MP2/LANL2DZ for aHSiH

Histogram of angle differences (in degrees) vs number of species


Differences greater than 2.5 are in the 2.5 bin. Differences less than -3.5 are in the -3.5 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart
-3.5 -3 -2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference SiH2Cl2 dichlorosilane -3.1
Most positive difference Si2H6 disilane 0.7