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
P2H4 Diphosphine 94.3 96.2 -1.9
P2H4 Diphosphine 99.1 92.6 6.5

BLYP/3-21G for aHPP

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


Differences greater than 10 are in the 10 bin. Differences less than -2 are in the -2 bin.

histogram chart 10
histogram chart 8
histogram chart 6
histogram chart 4
histogram chart 2
histogram chart 0 histogram chart histogram chart
-2 -1 0 1 2 3 4 5 6 7 8 9 10
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference P2H4 Diphosphine -1.9
Most positive difference P2H4 Diphosphine 6.5