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

using model chemistry: CCSD(T)=FULL/aug-cc-pVQZ

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 CCSD(T)=FULL/aug-cc-pVQZ
 hartrees
Energy at 0K-89.836210
Energy at 298.15K-89.835292
HF Energy-89.451744
Nuclear repulsion energy12.723319
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 CCSD(T)=FULL/aug-cc-pVQZ
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 1489 1427        

Unscaled Zero Point Vibrational Energy (zpe) 744.5 cm-1
Scaled (by 0.958) Zero Point Vibrational Energy (zpe) 713.2 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 CCSD(T)=FULL/aug-cc-pVQZ
B
1.65186

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)=FULL/aug-cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -0.887
O2 0.000 0.000 0.444

Atom - Atom Distances (Å)
  Be1 O2
Be11.3306
O21.3306

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