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: wB97X-D/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/3-21G*
 hartrees
Energy at 0K-156.995372
Energy at 298.15K 
HF Energy-156.995372
Nuclear repulsion energy38.248871
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 wB97X-D/3-21G*
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 1191 1129 0.40 14.71 0.12 0.22
2 A1 784 743 80.84 10.59 0.21 0.35
3 B2 542 514 12.17 0.32 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1258.4 cm-1
Scaled (by 0.9478) Zero Point Vibrational Energy (zpe) 1192.8 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 wB97X-D/3-21G*
ABC
1.11283 1.04992 0.54023

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.366
O2 0.000 0.708 -0.256
O3 0.000 -0.708 -0.256

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.77051.7705
O21.77051.4169
O31.77051.4169

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 66.412 Li1 O3 O2 66.412
O2 Li1 O3 47.175
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.526      
2 O -0.263      
3 O -0.263      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 5.670 5.670
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.502 0.000 0.000
y 0.000 -15.213 0.000
z 0.000 0.000 -5.577
Traceless
 xyz
x -2.107 0.000 0.000
y 0.000 -6.173 0.000
z 0.000 0.000 8.281
Polar
3z2-r216.562
x2-y22.711
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.006 0.000 0.000
y 0.000 2.632 0.000
z 0.000 0.000 1.870


<r2> (average value of r2) Å2
<r2> 21.613
(<r2>)1/2 4.649