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Experimental data for MgH (magnesium monohydride)

22 02 02 11 45
Other names
Magnesium hydride;
INChI INChIKey SMILES IUPAC name
InChI=1S/Mg.H RZCHRULKKYOSQS-UHFFFAOYSA-N [MgH]
State Conformation
2Σ 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 229.79 6.10 kJ mol-1 Gurvich
Hfg(0K) enthalpy of formation 230.34 6.10 kJ mol-1 Gurvich
Entropy (298.15K) entropy 193.20   J K-1 mol-1 Gurvich
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 8.68   kJ mol-1 Gurvich
Heat Capacity (298.15K) heat capacity 29.59   J K-1 mol-1 Gurvich
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 1432 1493 2007Iri:389      

Detailed diatomic data
ωe ωexe ωeye Be αe ZPE reference
1492.776 29.84682 -0.30481 5.825523 0.1772981 739.1296 2007Iri:389

vibrational zero-point energy: 716.0 cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for MgH (magnesium monohydride).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  5.82552   2007Iri:389

Calculated rotational constants for MgH (magnesium monohydride).
Product of moments of inertia moments of inertia
2.893754amu Å2   4.805263E-40gm cm2
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