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All results from a given calculation for Li2O (dilithium oxide)

using model chemistry: B3LYP/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at B3LYP/TZVP
 hartrees
Energy at 0K-90.336928
Energy at 298.15K-90.337119
HF Energy-90.336928
Nuclear repulsion energy17.178750
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 B3LYP/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 804 776 0.00      
2 Σu 1049 1013 357.18      
3 Πu 90 87 237.06      
3 Πu 90 87 237.06      

Unscaled Zero Point Vibrational Energy (zpe) 1016.5 cm-1
Scaled (by 0.9654) Zero Point Vibrational Energy (zpe) 981.4 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 B3LYP/TZVP
B
0.45934

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.000
Li2 0.000 0.000 1.617
Li3 0.000 0.000 -1.617

Atom - Atom Distances (Å)
  O1 Li2 Li3
O11.61721.6172
Li21.61723.2344
Li31.61723.2344

picture of dilithium oxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Li2 O1 Li3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -1.061      
2 Li 0.531      
3 Li 0.531      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.068 0.000 0.000
y 0.000 -12.068 0.000
z 0.000 0.000 10.333
Traceless
 xyz
x -11.200 0.000 0.000
y 0.000 -11.200 0.000
z 0.000 0.000 22.401
Polar
3z2-r244.801
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.598 0.000 0.000
y 0.000 3.598 0.000
z 0.000 0.000 5.372


<r2> (average value of r2) Å2
<r2> 18.566
(<r2>)1/2 4.309