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
SiH2(CH3)2 dimethylsilane 107.8 108.1 -0.3
Si2H6 disilane 109.5 107.8 1.7
SiH2Cl2 dichlorosilane 111.3 113.4 -2.1
SiH4 Silane 109.5 109.5 -0.0
SiH3Cl chlorosilane 110.6 111.0 -0.4
SiH3F monofluorosilane 110.6 109.0 1.6
SiH3 Silyl radical 110.5 107.9 2.6
SiH3+ Silyl cation 120.0 120.0 -0.0
SiH2F2 difluorosilane 114.6 110.2 4.4

mPW1PW91/STO-3G for aHSiH

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


Differences greater than 9 are in the 9 bin. Differences less than -3 are in the -3 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 -2 -1 0 1 2 3 4 5 6 7 8 9
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference SiH2Cl2 dichlorosilane -2.1
Most positive difference SiH2F2 difluorosilane 4.4