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Experimental data for BeH2 (beryllium dihydride)

22 02 02 11 45
Other names
Beryllium hydride;
INChI INChIKey SMILES IUPAC name
InChI=1S/Be.2H RWASOQSEFLDYLC-UHFFFAOYSA-N [BeH2] Beryllium hydride
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
Hfg(298.15K) enthalpy of formation 125.52   kJ mol-1 JANAF estimate! No experimental data!
Hfg(0K) enthalpy of formation 127.22   kJ mol-1 JANAF estimate! No experimental data!
Entropy (298.15K) entropy 173.10   J K-1 mol-1 JANAF
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 8.71   kJ mol-1 JANAF
Heat Capacity (298.15K) heat capacity 30.39   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
2 Σu 2159   VEEL5      
3 Πu 698   VEEL5      

Calculated vibrational frequencies for BeH2 (beryllium dihydride).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  4.75366   2003Sha/Ter:3622 Be

Calculated rotational constants for BeH2 (beryllium dihydride).
Product of moments of inertia moments of inertia
3.546242amu Å2   5.888761E-40gm cm2
Geometric Data
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