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
CH3CCl3 Ethane, 1,1,1-trichloro- 109.5 109.5 -0.0
CH3Cl Methyl chloride 110.8 110.6 0.2
CH3SH Methanethiol 110.3 108.8 1.5
CH3CH2SH ethanethiol 106.6 97.2 9.4
CH3CH2SH ethanethiol 108.9 108.6 0.3
CH3CH2SH ethanethiol 108.9 108.0 0.9
CH3CH2SH ethanethiol 106.6 108.0 -1.4
CH3CH2SH ethanethiol 108.1 108.1 -0.0
CH3CH2SH ethanethiol 109.3 108.1 1.2
CH2Cl2 Methylene chloride 112.1 111.9 0.2
CH2F2 Methane, difluoro- 112.8 113.1 -0.3
CH3SCH3 Dimethyl sulfide 109.6 108.8 0.8
CH2CCl2 Ethene, 1,1-dichloro- 120.0 119.1 0.9
CH3COCl Acetyl Chloride 108.6 110.5 -1.9
Si(CH3)4 tetramethylsilane 109.8 107.6 2.2
C2H4S Thiirane 115.8 114.9 0.9
CH2FCl fluorochloromethane 110.4 112.7 -2.3
H2CS Thioformaldehyde 116.5 115.5 1.0
CH3SiH3 methyl silane 108.0 108.0 0.0
SiH2(CH3)2 dimethylsilane 107.8 107.8 -0.0
SiH2(CH3)2 dimethylsilane 108.1 107.9 0.2
H2CSe Selenoformaldehyde 117.9 116.4 1.5
CH2Cl chloromethyl radical 122.6 124.3 -1.7
CH2CS Thioketene 120.3 118.6 1.7
CH2PH Phosphaethene 117.2 115.5 1.7

B3LYP/cc-pV(T+d)Z for aHCH

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
histogram chart 6 histogram chart histogram chart
histogram chart 4 histogram chart histogram chart
histogram chart 2 histogram chart histogram chart histogram chart histogram chart
histogram chart 0 histogram chart 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 CH2FCl fluorochloromethane -2.3
Most positive difference CH3CH2SH ethanethiol 9.4