CCCBDB listing of experimental data page 2

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Property	Value	Uncertainty	units	Reference
Hfg(298.15K)	120.66	30.00	kJ mol^-1	Gurvich
Hfg(0K)	120.84	30.00	kJ mol^-1	Gurvich
Entropy (298.15K)	225.45		J K^-1 mol^-1	Gurvich
Integrated Heat Capacity (0 to 298.15K)	9.23		kJ mol^-1	Gurvich
Heat Capacity (298.15K)	34.24		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	Σ	523	529	1979HUB/HER

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rMgS	2.143		1	2			1979HUB/HER	re

Atom	x (Å)	y (Å)	z (Å)
Mg1	0.0000	0.0000	0.0000
S2	0.0000	0.0000	2.1425

	Mg1	S2
Mg1		2.1425
S2	2.1425

	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	¹Σ	C_∞v	True							C_∞v	1	1

squib	reference	DOI
1979HUB/HER	Huber, K.P.; Herzberg, G., Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules, Van Nostrand Reinhold Co., 1979	10.1007/978-1-4757-0961-2
2007Iri:389	KK Irikura "Experimental Vibrational Zero-Point Energies: Diatomic Molecules" J. Phys. Chem. Ref. Data 36(2), 389, 2007	10.1063/1.2436891
Gurvich	Gurvich, L.V.; Veyts, I. V.; Alcock, C. B., Thermodynamic Properties of Individual Substances, Fouth Edition, Hemisphere Pub. Co., New York, 1989

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Experimental data for MgS- (magnesium sulfide anion)

Experimental data for MgS^- (magnesium sulfide anion)