Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)

Property	Value	Uncertainty	units	Reference	Comment

Information can also be found for this species in the NIST Chemistry Webbook

Vibrational levels (cm^-1)

Mode Number	Symmetry	Frequency (cm-1)	Frequency Reference	Intensity (km mol-1)	Int. unc.	Intensity Reference	Comment
1	Σ	556	webbook				omega e

vibrational zero-point energy: 277.8 cm^-1
Calculated vibrational frequencies for SeS^- (selenium monosulfide anion).

Rotational Constants (cm^-1)
See section I.F.4 to change rotational constant units

A	B	C	reference	comment
	0.17926		webbook

Calculated rotational constants for SeS^- (selenium monosulfide anion).

Product of moments of inertia
94.04012	amu Å2		1.561597E-38	gm cm2

Geometric Data

Point Group C_∞v

Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees

Description	Value	unc.	Connectivity				Reference	Comment
			Atom 1	Atom 2	Atom 3	Atom 4
rSSe	2.037	0.001	1	2			webbook	78Se 32S

Cartesians

Atom	x (Å)	y (Å)	z (Å)
Se1	0.0000	0.0000	0.0000
S2	0.0000	0.0000	2.0367

Atom - Atom Distances
Distances in Å

	Se1	S2
Se1		2.0367
S2	2.0367

Calculated geometries for SeS^- (selenium monosulfide anion).

Bond descriptions
Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond

Bond Type	Count
S=Se	1

Connectivity

Atom 1	Atom 2
Se1	S2

Electronic energy levels (cm^-1)

Energy (cm-1)	Degeneracy	reference	description
0	3

Ionization Energies (eV)

Ionization Energy	I.E. unc.	vertical I.E.	v.I.E. unc.	Electron Affinity	E.A. unc.	reference
9.200	0.200					webbook

Dipole, Quadrupole and Polarizability
Electric dipole moment
Calculated electric dipole moments for SeS^- (selenium monosulfide anion).
Electric quadrupole moment
Calculated electric quadrupole moments for SeS^- (selenium monosulfide anion).

References
By selecting the following links, you may be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to cccbdb@nist.gov.

squib	reference	DOI
webbook	NIST Chemistry Webbook (http://webbook.nist.gov/chemistry)

Got a better number? Please email us at cccbdb@nist.gov