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All results from a given calculation for BeO (beryllium oxide)

using model chemistry: HSEh1PBE/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at HSEh1PBE/cc-pVTZ
 hartrees
Energy at 0K-89.827714
Energy at 298.15K-89.826798
HF Energy-89.827714
Nuclear repulsion energy12.818884
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at HSEh1PBE/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 1565 1504 13.33      

Unscaled Zero Point Vibrational Energy (zpe) 782.4 cm-1
Scaled (by 0.9611) Zero Point Vibrational Energy (zpe) 751.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at HSEh1PBE/cc-pVTZ
B
1.67589

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/cc-pVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.881
O2 0.000 0.000 0.440

Atom - Atom Distances (Å)
  Be1 O2
Be11.3210
O21.3210

picture of beryllium oxide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability