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

using model chemistry: MP2/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G(2df,p)
 hartrees
Energy at 0K-157.554269
Energy at 298.15K 
HF Energy-157.108936
Nuclear repulsion energy39.112508
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 MP2/6-31G(2df,p)
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 1089 1029 6.34 1532963.00 0.33 0.50
2 A1 765 723 112.74 5996.22 0.32 0.48
3 B2 977 923 3745.47 40.58 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1415.6 cm-1
Scaled (by 0.9445) Zero Point Vibrational Energy (zpe) 1337.1 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 MP2/6-31G(2df,p)
ABC
1.13887 1.07367 0.55265

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.391
O2 0.000 0.680 -0.261
O3 0.000 -0.680 -0.261

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.78641.7864
O21.78641.3605
O31.78641.3605

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 67.619 Li1 O3 O2 67.619
O2 Li1 O3 44.763
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability