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

using model chemistry: PBEPBEultrafine/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-31G(2df,p)
 hartrees
Energy at 0K-157.741599
Energy at 298.15K 
HF Energy-157.741599
Nuclear repulsion energy39.279368
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 PBEPBEultrafine/6-31G(2df,p)
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 1129 1117 11.35 4.21 0.53 0.70
2 A1 761 754 82.97 31.39 0.08 0.16
3 B2 551 546 32.04 4.10 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1220.8 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 1208.2 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 PBEPBEultrafine/6-31G(2df,p)
ABC
1.14452 1.09144 0.55867

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.380
O2 0.000 0.679 -0.259
O3 0.000 -0.679 -0.259

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.77331.7733
O21.77331.3571
O31.77331.3571

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 67.503 Li1 O3 O2 67.503
O2 Li1 O3 44.995
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.464      
2 O -0.232      
3 O -0.232      


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 5.292 5.292
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.819 0.000 0.000
y 0.000 -15.418 0.000
z 0.000 0.000 -5.268
Traceless
 xyz
x -2.476 0.000 0.000
y 0.000 -6.374 0.000
z 0.000 0.000 8.850
Polar
3z2-r217.700
x2-y22.598
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.942 0.000 0.000
y 0.000 3.719 0.000
z 0.000 0.000 2.763


<r2> (average value of r2) Å2
<r2> 21.124
(<r2>)1/2 4.596