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

List of experimental bond angles of type aHNH

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

Bond type	Species	Name	Angle	Comment
aHNH	NH2OH	hydroxylamine	103.25
aHNH	NH2	Amino radical	103.40
aHNH	C(CH3)3NH2	2-Propanamine, 2-methyl-	105.20	!assumed
aHNH	CH3NH2	methyl amine	105.80
aHNH	N2H4	Hydrazine	106.00
aHNH	NH2F	monofluoroamine	106.27
aHNH	NH3	Ammonia	106.67
aHNH	LiNH2	lithium amide	106.90
aHNH	NH2SH	Thiohydroxylamine	110.20
aHNH	H2NCH2COOH	Glycine	110.29	!assumed
aHNH	NH2SH	Thiohydroxylamine	111.60
aHNH	NH2CN	cyanamide	112.74
aHNH	C6H5NH2	aniline	113.90
aHNH	BH2NH2	Boranamine	114.20
aHNH	NH2CONH2	Urea	118.61
aHNH	CHONH2	formamide	121.60
aHNH	CHSNH2	thioformamide	121.70
Average			110.49	±5.94
Min			103.25
Max			121.70