CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	-45.94	0.35	kJ mol^-1	CODATA
Hfg(0K)	-38.95	0.35	kJ mol^-1	CODATA
Entropy (298.15K)	192.77	0.05	J K^-1 mol^-1	CODATA
Integrated Heat Capacity (0 to 298.15K)	10.04	0.01	kJ mol^-1	CODATA
Heat Capacity (298.15K)	35.63		J K^-1 mol^-1	Gurvich

Mode Number	Symmetry	Frequency			Intensity			Comment	Description
Mode Number	Symmetry	Fundamental(cm^-1)	Harmonic(cm^-1)	Reference	(km mol^-1)	unc.	Reference	Comment	Description
1	A₁	3337		Shim	7.1	0.8	1983Koo/Vis:203		sym stretch
2	A₁	950		Shim	138.0	6.0	1983Koo/Vis:203		sym. deform.
3	E	3444		Shim	4.3	0.7	1983Koo/Vis:203		deg. stretch
4	E	1627		Shim	28.2	0.5	1983Koo/Vis:203		deg. deform

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rNH	1.012		1	2			1966Herzberg
aHNH	106.67		2	1	3		1966Herzberg
aXNH	112.15		255	1	2		1966Herzberg	from symmetry. X is on symmetry axis.

Atom	x (Å)	y (Å)	z (Å)
N1	0.0000	0.0000	0.0000
H2	0.0000	-0.9377	-0.3816
H3	0.8121	0.4689	-0.3816
H4	-0.8121	0.4689	-0.3816

	N1	H2	H3	H4
N1		1.0124	1.0124	1.0124
H2	1.0124		1.6242	1.6242
H3	1.0124	1.6242		1.6242
H4	1.0124	1.6242	1.6242

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
H2	N1	H3	106.670		H2	N1	H4	106.670
H3	N1	H4	106.670

Energy (cm^-1)	Degeneracy	reference	description
0	1		¹A₁
46136	1	1966Herzberg

Experimental data for NH3 (Ammonia)

Experimental data for NH₃ (Ammonia)