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

using model chemistry: QCISD/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-157.636284
Energy at 298.15K 
HF Energy-157.164521
Nuclear repulsion energy39.648836
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/Def2TZVPP
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 1178 1178 4.26      
2 A1 756 756 130.45      
3 B2 503 503 4.69      

Unscaled Zero Point Vibrational Energy (zpe) 1218.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1218.7 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 QCISD/Def2TZVPP
ABC
1.16945 1.10513 0.56819

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.371
O2 0.000 0.671 -0.257
O3 0.000 -0.671 -0.257

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.76111.7611
O21.76111.3426
O31.76111.3426

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 67.594 Li1 O3 O2 67.594
O2 Li1 O3 44.811
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability