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

using model chemistry: mPW1PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/STO-3G
 hartrees
Energy at 0K-155.727613
Energy at 298.15K 
HF Energy-155.727613
Nuclear repulsion energy39.863896
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 mPW1PW91/STO-3G
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 1418 1246 0.45 44.57 0.67 0.80
2 A1 891 783 13.19 86.13 0.18 0.31
3 B2 670 589 23.59 38.08 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1489.6 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 1309.2 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 mPW1PW91/STO-3G
ABC
1.20640 1.14149 0.58653

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 1.312
O2 0.000 0.679 -0.246
O3 0.000 -0.679 -0.246

Atom - Atom Distances (Å)
  Li1 O2 O3
Li11.70001.7000
O21.70001.3589
O31.70001.3589

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 66.443 Li1 O3 O2 66.443
O2 Li1 O3 47.115
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.156      
2 O -0.078      
3 O -0.078      


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 2.857 2.857
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.353 0.000 0.000
y 0.000 -15.158 0.000
z 0.000 0.000 -7.475
Traceless
 xyz
x -1.036 0.000 0.000
y 0.000 -5.244 0.000
z 0.000 0.000 6.280
Polar
3z2-r212.561
x2-y22.805
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.098 0.000 0.000
y 0.000 3.619 0.000
z 0.000 0.000 2.344


<r2> (average value of r2) Å2
<r2> 20.805
(<r2>)1/2 4.561