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

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G
 hartrees
Energy at 0K-156.862511
Energy at 298.15K 
HF Energy-156.862511
Nuclear repulsion energy38.295192
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 PBE1PBE/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 1179 1133 0.60 15.00 0.09 0.17
2 A1 821 788 72.27 12.33 0.21 0.35
3 B2 567 544 11.37 0.13 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1283.2 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 1232.4 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 PBE1PBE/3-21G
ABC
1.13525 1.04400 0.54386

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.353
O2 0.000 0.710 -0.254
O3 0.000 -0.710 -0.254

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.75651.7565
O21.75651.4209
O31.75651.4209

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 66.142 Li1 O3 O2 66.142
O2 Li1 O3 47.716
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.504      
2 O -0.252      
3 O -0.252      


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 5.439 5.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.617 0.000 0.000
y 0.000 -15.252 0.000
z 0.000 0.000 -5.959
Traceless
 xyz
x -2.012 0.000 0.000
y 0.000 -5.964 0.000
z 0.000 0.000 7.976
Polar
3z2-r215.951
x2-y22.635
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.054 0.000 0.000
y 0.000 2.715 0.000
z 0.000 0.000 1.943


<r2> (average value of r2) Å2
<r2> 21.638
(<r2>)1/2 4.652