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Experimental data for Na2S (Sodium sulfide)

22 02 02 11 45
Other names
disodium sulfide;
INChI INChIKey SMILES IUPAC name
InChI=1S/2Na.S [Na]S[Na]
State Conformation
1ΣG D*H
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) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference

Calculated vibrational frequencies for Na2S (Sodium sulfide).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment

Calculated rotational constants for Na2S (Sodium sulfide).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of Sodium sulfide

Point Group D∞h


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

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for Na2S (Sodium sulfide).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
Na-S 1

Connectivity
Atom 1 Atom 2
S1 Na2
S1 Na3
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1ΣG
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1ΣG D∞h True           D∞h 0 1
1 2 1A1 C2v          
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for Na2S (Sodium sulfide).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1ΣG D∞h True       D∞h 0 1
1 2 1A1 C2v      

Calculated electric quadrupole moments for Na2S (Sodium sulfide).

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