CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	-50.00	10.00	kJ mol^-1	Gurvich
Hfg(0K)	-39.86	10.00	kJ mol^-1	Gurvich
Entropy (298.15K)	236.18		J K^-1 mol^-1	Gurvich
Integrated Heat Capacity (0 to 298.15K)	11.24		kJ mol^-1	Gurvich
Heat Capacity (298.15K)	46.47		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	A'	3650		1997Luc:8409
2	A'	3294		1997Luc:8409
3	A'	1605		1997Luc:8409
4	A'	1353		1997Luc:8409
5	A'	1115		1997Luc:8409
6	A'	895		1997Luc:8409
7	A"	3359		1997Luc:8409
8	A"	1295		1997Luc:8409
9	A"	386		Shim

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rOH	0.962		2	3			1972Tsu:167-174
rNH	1.016		1	4			1972Tsu:167-174
rNO	1.453		1	2			1972Tsu:167-174
aHON	101.37		1	2	3		1972Tsu:167-174
aHNO	107.01		2	1	4		1972Tsu:167-174
aHNH	103.25		4	1	5		1972Tsu:167-174

Atom	x (Å)	y (Å)	z (Å)
N1	-0.0094	0.7040	0.0000
O2	-0.0094	-0.7490	0.0000
H3	-0.9525	-0.9386	0.0000
H4	0.5469	1.0012	0.7965
H5	0.5469	1.0012	-0.7965

	N1	O2	H3	H4	H5
N1		1.4530	1.8941	1.0160	1.0160
O2	1.4530		0.9620	2.0018	2.0018
H3	1.8941	0.9620		2.5780	2.5780
H4	1.0160	2.0018	2.5780		1.5930
H5	1.0160	2.0018	2.5780	1.5930

	Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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State	Config	State description	Conf description	Exp. min.	Dipole (Debye)				Reference	comment	Point Group	Components
State	Config	State description	Conf description	Exp. min.	x	y	z	total	Reference	comment	Point Group	dipole	quadrupole
1	1	¹A^'	C_s	True	0.589		0.060	0.590	1972Tsu:167-174	MW 0.59± 0.05 D μ_a=0.589 μ_c=0.060	C_s	2	3

squib	reference	DOI
1972Tsu:167-174	S Tsunekawa "Microwave Spectrum of Hydroxylamine" J. Phys. Soc. Japan 33(1), 167-174, 1972	10.1143/JPSJ.33.167
1995Ang/Asc:6551	F Angelelli, M Aschi, F Cacace, F Pepi, G de Petris "Gas-Phase Reactivity of Hydroxylamine toward Charged Electrophiles. A Mass Spectrometric and Computational Study of the Protonation of Methylation of H2NOH" J. Phys. Chem. 1995, 99, 6551-6556	10.1021/j100017a041
1997Luc:8409	D Luckhaus "The rovibrational spectrum of hydroxylamine: A combined high resolution experimental and theoretical study" J. Chem. Phys. 106(20), 8409, 1997	10.1063/1.473901
Gurvich	Gurvich, L.V.; Veyts, I. V.; Alcock, C. B., Thermodynamic Properties of Individual Substances, Fouth Edition, Hemisphere Pub. Co., New York, 1989
Shim	Shimanouchi, T. , Tables of Molecular Vibrational Frequencies, Consolidated Volu	10.6028/NBS.NSRDS.39
webbook	NIST Chemistry Webbook (http://webbook.nist.gov/chemistry)	10.18434/T4D303

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
N1	O2	H3	101.370		O2	N1	H4	107.010
O2	N1	H5	107.010		H4	N1	H5	103.251

Bond Type	Count
N-O	1
H-N	2
H-O	1

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Experimental data for NH2OH (hydroxylamine)

Experimental data for NH₂OH (hydroxylamine)