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

using model chemistry: MP2/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 MP2/aug-cc-pVDZ
 hartrees
Energy at 0K-157.521529
Energy at 298.15K 
HF Energy-157.122037
Nuclear repulsion energy38.706850
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 MP2/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 1026 984 7.40 0.00 0.33 0.50
2 A1 726 696 128.96 194873.60 0.33 0.50
3 B2 1383 1326 27424.71 1934.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1567.0 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 1502.7 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 MP2/aug-cc-pVDZ
ABC
1.11165 1.05931 0.54243

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/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 0.689 -0.263
O3 0.000 -0.689 -0.263

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.79991.7999
O21.79991.3770
O31.79991.3770

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 67.510 Li1 O3 O2 67.510
O2 Li1 O3 44.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability