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

using model chemistry: ROHF/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 ROHF/3-21G*
 hartrees
Energy at 0K-156.240928
Energy at 298.15K 
HF Energy-156.240928
Nuclear repulsion energy39.146093
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 ROHF/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 1346 1223 0.56      
2 A1 864 785 112.60      
3 B2 697 633 191.71      

Unscaled Zero Point Vibrational Energy (zpe) 1453.2 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 1320.2 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 ROHF/3-21G*
ABC
1.13618 1.11274 0.56217

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.352
O2 0.000 0.688 -0.254
O3 0.000 -0.688 -0.254

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.74701.7470
O21.74701.3763
O31.74701.3763

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 66.802 Li1 O3 O2 66.802
O2 Li1 O3 46.396
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.622      
2 O -0.311      
3 O -0.311      


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 6.025 6.025
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.267 0.000 0.000
y 0.000 -15.234 0.001
z 0.000 0.001 -5.140
Traceless
 xyz
x -2.080 0.000 0.000
y 0.000 -6.531 0.001
z 0.000 0.001 8.611
Polar
3z2-r217.222
x2-y22.967
xy0.000
xz0.000
yz0.001


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


<r2> (average value of r2) Å2
<r2> 20.887
(<r2>)1/2 4.570