National Institute of Standards and Technology

Computational Chemistry Comparison and Benchmark DataBase
Release 22	May 2022
NIST Standard Reference Database 101

I	Introduction
II	Experimental data
III	Calculated data
IV	Data comparisons
V	Cost comparisons
VI	Input and output files
VII	Tutorials and Units
VIII	Links to other sites
IX	Feedback
X	Older CCCBDB versions
XII	Geometries
XIII	Vibrations
XIV	Reaction data
XV	Entropy data
XVI	Bibliographic data
XVII	Ion data
XVIII	Bad calculations
XIX	Index of properties
XX	H-bond dimers
XXI	Oddities

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The National Institute of Standards and Technology (NIST) is an agency of the U.S. Department of Commerce.

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

List of experimental bond angles of type aNN=O

Bond angles in degrees.
Click on an entry for more experimental geometry data.

Bond type	Species	Name	Angle	Comment
aNN=O	ONNO	NO dimer	99.60
aNN=O	N2O3	Dinitrogen trioxide	105.50	NO end
aNN=O	N2O4	Dinitrogen tetroxide	112.30	derived from aONO
aNN=O	N2O3	Dinitrogen trioxide	112.72	NO2 end cis to NO
aNN=O	C2H6N2O2	Dimethylnitroamine	114.80
aNN=O	N2O3	Dinitrogen trioxide	117.47	NO2 end trans to NO
Average			110.40	±6.62
Min			99.60
Max			117.47