return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Home > Geometry > Experimental > Same bond/angle many molecules OR Comparisons > Geometry > Bonds, angles > Same bond/angle many molecules

Compare Angles

18 10 26 16 25

Click on entry for experimental details.
Species Name Experimental Angle Calculated Angle Difference
H2NCH2COOH Glycine 125.0 125.6 -0.6
H2NCH2COOH Glycine 111.5 111.6 -0.1
CH3CH(NH2)COOH Alanine 125.6 115.3 10.3
CH3CH(NH2)COOH Alanine 110.3 122.6 -12.3
C3H8O2 Propylene glycol 108.1 110.4 -2.3
C4H10O Ethoxy ethane 108.4 109.1 -0.7
CH3CONH2 Acetamide 122.9 122.5 0.4
CH3CH2OH Ethanol 107.8 108.5 -0.7
CH3COOH Acetic acid 126.6 125.6 1.0
CH3COOH Acetic acid 110.6 112.1 -1.5
CH3COCH3 Acetone 122.0 121.7 0.3
CH3CHO Acetaldehyde 123.9 124.6 -0.7
C2H4O Ethylene oxide 59.2 58.7 0.5
CHOCH(CH3)CH3 Propanal, 2-methyl- 123.3 125.1 -1.8
CH3COCH2CH3 2-Butanone 122.9 122.2 0.7
C3H5ClO Oxirane, (chloromethyl)- 114.0 114.8 -0.8
CH2CHCHO Acrolein 123.9 124.0 -0.1
CH2CHCHO Acrolein 124.3 124.0 0.3
C2H2O2 Ethanedial 121.2 121.2 -0.0
CH2CHOCHCH2 Vinyl ether 119.0 122.3 -3.3
C4H4O Furan 110.7 110.8 -0.1
C4H10O2 Ethane, 1,2-dimethoxy- 113.2 108.1 5.1
CH2C(CH3)OCH3 1-Propene, 2-methoxy- 125.8 119.0 6.8
CH3CH2CHO Propanal 124.4 125.1 -0.7
C4H8O2 Ethyl acetate 124.1 124.8 -0.7
C4H8O2 Ethyl acetate 111.9 111.7 0.2
C4H8O2 Ethyl acetate 108.2 107.8 0.4
C5H10O 2H-Pyran, tetrahydro- 112.0 111.6 0.4
C4H8O2 1,3-Dioxolane, 2-methyl- 105.2 103.5 1.7
C4H8O2 1,3-Dioxolane, 2-methyl- 110.9 111.2 -0.3
C3H8O2 1,3-Propanediol 108.0 108.3 -0.3
C3H8O2 1,3-Propanediol 112.0 108.3 3.7
CH3CH(CH3)ONO Isopropyl nitrite 107.6 110.0 -2.4
CH2CHOH ethenol 126.2 126.9 -0.7
CH3COF Acetyl fluoride 128.4 128.6 -0.2
C5H10O 2-Butanone, 3-methyl- 120.8 120.6 0.2
C4H10O Propane, 2-methoxy- 113.7 112.6 1.1
C4H10O Propane, 2-methoxy- 107.7 112.6 -4.9
C3H2O3 vinylene carbonate 108.7 108.2 0.5
C3H4O Cyclopropanone 147.7 147.7 0.0
C3H4O Methylketene 180.0 180.0 0.0

HF/6-311+G(3df,2p) for aCCO

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


Differences greater than 10 are in the 10 bin. Differences less than -14 are in the -14 bin.

histogram chart 30
histogram chart 25 histogram chart
histogram chart 20 histogram chart
histogram chart 15 histogram chart
histogram chart 10 histogram chart
histogram chart 5 histogram chart
histogram chart 0 histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart histogram chart
-14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10
Angle difference calc. - exp. (degrees)

  Species Name Difference (degrees)
Most negative difference CH3CH(NH2)COOH Alanine -12.3
Most positive difference CH3CH(NH2)COOH Alanine 10.3