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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-157.436078
Energy at 298.15K 
HF Energy-157.096593
Nuclear repulsion energy39.395716
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 CISD/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 1234 1142 3.62      
2 A1 774 716 120.55      
3 B2 628 581 144.42      

Unscaled Zero Point Vibrational Energy (zpe) 1317.5 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 1219.8 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 CISD/6-31G*
ABC
1.16592 1.06758 0.55729

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.395
O2 0.000 0.672 -0.262
O3 0.000 -0.672 -0.262

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.78781.7878
O21.78781.3446
O31.78781.3446

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 67.911 Li1 O3 O2 67.911
O2 Li1 O3 44.178
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability