National Institute of Standards and Technology
Computational Chemistry Comparison and Benchmark DataBase
Release 22May 2022
NIST Standard Reference Database 101
IIntroduction
IIExperimental data
IIICalculated data
IVData comparisons
VCost comparisons
VIInput and output files
VIITutorials and Units
VIIILinks to other sites
IXFeedback
XOlder CCCBDB versions
XIIGeometries
XIII Vibrations
XIVReaction data
XVEntropy data
XVIBibliographic data
XVIIIon data
XVIIIBad calculations
XIXIndex of properties
XXH-bond dimers
XXIOddities

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II.B.4. (XII.A.4.)

List of experimental bond angles of type aNC=O

Bond angles in degrees.
Click on an entry for more experimental geometry data.
Bond type Species Name Angle Comment
aNC=O CH3CONH2 Acetamide 122.00
aNC=O NH2CONH2 Urea 122.64
aNC=O C3H7NO dimethylformamide 123.50
aNC=O HCONHCH3 N-methylformamide 124.60
aNC=O CHONH2 formamide 124.70
Average 123.49 ±1.19
Min 122.00
Max 124.70