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Experimental data for SiS (silicon monosulfide)

22 02 02 11 45
Other names
Silicon monosulfide; Silicon sulfide; silicon(II) sulfide;
InChI=1S/SSi/c1-2 DWFFKGPZNGKUPH-UHFFFAOYSA-N [Si]=S silicon(II) sulfide
State Conformation
1Σ C*V
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation 106.00 12.60 kJ mol-1 JANAF
Hfg(0K) enthalpy of formation 104.69 12.60 kJ mol-1 JANAF
Entropy (298.15K) entropy 223.80 2.00 J K-1 mol-1 JANAF
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 8.94   kJ mol-1 JANAF
Heat Capacity (298.15K) heat capacity 32.17   J K-1 mol-1 webbook
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
1 Σ 744 750 1979HUB/HER      

Detailed diatomic data
ωe ωexe ωeye Be αe ZPE reference
749.6456 2.586232 1.048392E-03 0.3035279 1.47313E-03 374.2117 2007Iri:389

vibrational zero-point energy: 372.2 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for SiS (silicon monosulfide).
More spectroscopic constants are available at the NIST Physics Laboratory website:
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  0.30353   1979HUB/HER

Calculated rotational constants for SiS (silicon monosulfide).
Product of moments of inertia moments of inertia
55.53899amu Å2   9.222609E-39gm cm2
Geometric Data
picture of silicon monosulfide

Point Group C∞v

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