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All results from a given calculation for LiO2 (Lithium dioxide)

using model chemistry: CCSD(T)/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD(T)/6-31G**
 hartrees
Energy at 0K-157.476162
Energy at 298.15K 
HF Energy-157.093075
Nuclear repulsion energy38.749401
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)/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 1097 1041        
2 A1 758 719        
3 B2 597 566        

Unscaled Zero Point Vibrational Energy (zpe) 1225.8 cm-1
Scaled (by 0.9485) Zero Point Vibrational Energy (zpe) 1162.7 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)/6-31G**
ABC
1.11266 1.06206 0.54338

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD(T)/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.399
O2 0.000 0.688 -0.262
O3 0.000 -0.688 -0.262

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.79781.7978
O21.79781.3764
O31.79781.3764

picture of Lithium dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li1 O2 O3 67.493 Li1 O3 O2 67.493
O2 Li1 O3 45.014
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability