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All results from a given calculation for Li2O (dilithium oxide)

using model chemistry: CCSD(T)/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at CCSD(T)/aug-cc-pVTZ
 hartrees
Energy at 0K-90.110117
Energy at 298.15K-90.110397
HF Energy-89.809687
Nuclear repulsion energy16.986337
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)/aug-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 Σg 770 746 0.00      
2 Σu 1014 983 0.00      
3 Πu 120 116 0.00      
3 Πu 120 116 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 1011.2 cm-1
Scaled (by 0.9699) Zero Point Vibrational Energy (zpe) 980.8 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)/aug-cc-pVTZ
B
0.44931

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

Point Group is D∞h

Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability