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

using model chemistry: QCISD/aug-cc-pVDZ

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 QCISD/aug-cc-pVDZ
 hartrees
Energy at 0K-89.679602
Energy at 298.15K-89.678678
HF Energy-89.415246
Nuclear repulsion energy12.248781
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 QCISD/aug-cc-pVDZ
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 1347 1305 162.51      

Unscaled Zero Point Vibrational Energy (zpe) 673.5 cm-1
Scaled (by 0.9687) Zero Point Vibrational Energy (zpe) 652.4 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 QCISD/aug-cc-pVDZ
B
1.53014

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/aug-cc-pVDZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.922
O2 0.000 0.000 0.461

Atom - Atom Distances (Å)
  Be1 O2
Be11.3825
O21.3825

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