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

using model chemistry: QCISD(T)/aug-cc-pVDZ

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(T)/aug-cc-pVDZ
 hartrees
Energy at 0K-157.541687
Energy at 298.15K 
HF Energy-157.122753
Nuclear repulsion energy38.810651
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(T)/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 A1 1054 1030        
2 A1 724 708        
3 B2 515 504        

Unscaled Zero Point Vibrational Energy (zpe) 1146.6 cm-1
Scaled (by 0.9778) Zero Point Vibrational Energy (zpe) 1121.2 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 QCISD(T)/aug-cc-pVDZ
ABC
1.11867 1.06017 0.54432

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.400
O2 0.000 0.686 -0.262
O3 0.000 -0.686 -0.262

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.79851.7985
O21.79851.3727
O31.79851.3727

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 67.566 Li1 O3 O2 67.566
O2 Li1 O3 44.869
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability