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
CH3CSNH2 Ethanethioamide 122.9 123.2 -0.3
CH3CH2SH ethanethiol 108.6 111.0 -2.4
CH3CH2SH ethanethiol 113.6 114.2 -0.6
CH3CHSHCH3 2-Propanethiol 111.2 111.9 -0.7
C3H7SH 1-Propanethiol 108.6 109.3 -0.7
C4H4S Thiophene 111.5 111.3 0.2
C3H6S Thietane 90.6 91.0 -0.4
C2H4S Thiirane 65.9 65.9 -0.1
CH2SHCH2SH 1,2-Ethanedithiol 112.0 108.1 3.9
CH3SCH2CH3 Ethane, (methylthio)- 109.5 109.9 -0.4
C5H10S 2H-Thiopyran, tetrahydro- 112.7 112.8 -0.1
C4H6S Thiophene, 2,5-dihydro- 105.0 105.7 -0.7
CH3CHS Thioacetaldehyde 125.3 126.4 -1.1

PBEPBE/6-31G(2df,p) for aCCS

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 histogram chart
histogram chart 2 histogram chart histogram chart
histogram chart 0 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 CH3CH2SH ethanethiol -2.4
Most positive difference CH2SHCH2SH 1,2-Ethanedithiol 3.9