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

using model chemistry: QCISD/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at QCISD/6-31+G**
 hartrees
Energy at 0K-157.476961
Energy at 298.15K 
HF Energy-157.099734
Nuclear repulsion energy38.958745
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/6-31+G**
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 1132 1070 4.87      
2 A1 720 680 131.56      
3 B2 409 386 13.43      

Unscaled Zero Point Vibrational Energy (zpe) 1130.0 cm-1
Scaled (by 0.9454) Zero Point Vibrational Energy (zpe) 1068.3 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/6-31+G**
ABC
1.13105 1.06291 0.54796

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.398
O2 0.000 0.683 -0.262
O3 0.000 -0.683 -0.262

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.79511.7951
O21.79511.3652
O31.79511.3652

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 67.651 Li1 O3 O2 67.651
O2 Li1 O3 44.699
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability