return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-157.309079
Energy at 298.15K 
HF Energy-157.031392
Nuclear repulsion energy36.317011
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
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 824 789 25.12 114263.90 0.33 0.50
2 A1 704 674 76.60 0.00 0.33 0.50
3 B2 2596 2484 321095.60 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2062.0 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 1972.9 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
ABC
1.03334 0.93372 0.49051

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.418
O2 0.000 0.751 -0.266
O3 0.000 -0.751 -0.266

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.84381.8438
O21.84381.5025
O31.84381.5025

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 65.955 Li1 O3 O2 65.955
O2 Li1 O3 48.089
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability