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
H2CO Formaldehyde 121.9 122.5 -0.6
HCOOH Formic acid 124.1 126.0 -1.9
CHONH2 formamide 122.5 123.7 -1.2
C3H6O 2-Propen-1-ol 113.3 113.1 0.2
C3H6O 2-Propen-1-ol 107.3 111.5 -4.2
C4H8O2 Ethyl acetate 108.3 108.8 -0.5
C3H3NO Oxazole 117.1 116.3 0.8
C3H3NO Oxazole 116.9 116.3 0.6
CH3OC2H5 Ethane, methoxy- 107.5 108.3 -0.8
CH3OC2H5 Ethane, methoxy- 111.1 112.0 -0.9
CH3OC2H5 Ethane, methoxy- 110.3 110.1 0.2
CH3CH(CH3)ONO Isopropyl nitrite 109.5 105.8 3.7
CH3NO3 Methyl nitrate 110.4 111.7 -1.3
CH3NO3 Methyl nitrate 103.4 104.0 -0.6
CH3ONO Methyl nitrite 101.8 105.4 -3.6
CH3ONO Methyl nitrite 110.0 110.9 -1.0
HFCO formyl fluoride 127.3 128.1 -0.8
HCO Formyl radical 119.5 123.1 -3.6

LSDA/cc-pVDZ for aHCO

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


Differences greater than 7 are in the 7 bin. Differences less than -5 are in the -5 bin.

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

  Species Name Difference (degrees)
Most negative difference C3H6O 2-Propen-1-ol -4.2
Most positive difference CH3CH(CH3)ONO Isopropyl nitrite 3.7