CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	-20.60	0.50	kJ mol^-1	CODATA
Hfg(0K)	-17.68	0.50	kJ mol^-1	CODATA
Entropy (298.15K)	205.81	0.05	J K^-1 mol^-1	CODATA
Integrated Heat Capacity (0 to 298.15K)	9.96	0.01	kJ mol^-1	CODATA
Heat Capacity (298.15K)	34.25		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	2615	2722	Shim					H₂S s-stretch
2	A₁	1183	1215	Shim					bend
3	B₂	2626	2733	Shim					H₂S a-stretch

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rSH	1.336		1	2			1975Coo/DeL:237
aHSH	92.11		2	1	3		1975Coo/DeL:237

Atom	y (Å)	z (Å)
S1	0.0000	0.1030
H2	0.9616	-0.8239
H3	-0.9616	-0.8239

	S1	H2	H3
S1		1.3356	1.3356
H2	1.3356		1.9233
H3	1.3356	1.9233

	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	¹A₁	C_2v	True				0.977	1984Vis/Dyk:231-239	MB μ₀	C_2v	1	2

squib	reference	DOI
1975Coo/DeL:237	RL Cook, FC De Lucia, P Helminger "Molecular Force Field and Structure of Hydrogen Sulfide: Recent Microwave Results" Journal of Molecular Structure 28 (1975) 237-246	10.1016/0022-2860(75)80094-9
1984Vis/Dyk:231-239	R Viswanathan, TR Dyke "Electric Dipole Moments and Nuclear Hyperfine Interactions for H2S, HDS, and D2S" J Mol. Spec. 103, 231-239 (1984)	10.1016/0022-2852(84)90050-x
1997Oln/Can:59	TN Olney, NM Cann, G Cooper, CE Brion, Absolute scale determination for photoabsorption spectra and the calculation of molecular properties using dipole sum-rules, Chem. Phys. 223 (1997) 59-98	10.1016/S0301-0104(97)00145-6
CODATA	Cox, J.D.; Wagman, D.D.; Medvedev, V.A.CODATA Key Values for Thermodynamics. Hemisphere, New York, 1989	10.1002/bbpc.19900940121
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

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Experimental data for H2S+ (Hydrogen sulfide cation)

Experimental data for H₂S⁺ (Hydrogen sulfide cation)