CCCBDB listing of experimental data page 2

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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_g	913		2014Per/Ant:10323
2	A_g	632
3	B_1u	656						renumbered. Was B2U
4	B_2u	790						renumbered. Was B3U
5	B_3g	898						renumbered. Was B1g
6	B_3u	474						renumbered. Was B1U

Description	Value	unc.	Connectivity				Reference	Comment
Description	Value	unc.	Atom 1	Atom 2	Atom 3	Atom 4	Reference	Comment
rNS	1.642	0.000	1	3			2014Per/Ant:10323
aNSN	91.0716	0.0093	3	1	4		2014Per/Ant:10323
aSNS	88.9284		1	3	2			by symmetry

Atom	y (Å)	z (Å)
S1	0.0000	1.1500
S2	0.0000	-1.1500
N3	1.1717	0.0000
N4	-1.1717	0.0000

	S1	S2	N3	N4
S1		2.3001	1.6418	1.6418
S2	2.3001		1.6418	1.6418
N3	1.6418	1.6418		2.3435
N4	1.6418	1.6418	2.3435

atom1	atom2	atom3	angle		atom1	atom2	atom3	angle
S1	N3	S2	88.928		S1	N4	S2	88.928
N3	S1	N4	91.072		N3	S2	N4	91.072

	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_G	D_2h	True							D_2h	0	2

squib	reference	DOI
2014Per/Ant:10323	A Perrin, AF Antognini, XQ Zeng, H Beckers, H Willner, G Rauhut "Vibrational Spectrum and Gas-Phase Structure of Disulfur Dinitride (S2N2)" Chemistry - A European Journal 20(33) 10323-10331, 2014	10.1002/chem.201402404
webbook	NIST Chemistry Webbook (http://webbook.nist.gov/chemistry)	10.18434/T4D303

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Experimental data for S2N2 (Disulfur dinitride)

Experimental data for S₂N₂ (Disulfur dinitride)