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

using model chemistry: B1B95/6-31G*

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 B1B95/6-31G*
 hartrees
Energy at 0K-90.254676
Energy at 298.15K-90.254998
HF Energy-90.254676
Nuclear repulsion energy17.087371
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 B1B95/6-31G*
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 818 777 0.00      
2 Σu 1078 1024 372.11      
3 Πu 128 121 185.06      
3 Πu 128 121 185.06      

Unscaled Zero Point Vibrational Energy (zpe) 1075.9 cm-1
Scaled (by 0.9493) Zero Point Vibrational Energy (zpe) 1021.4 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 B1B95/6-31G*
B
0.45447

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G*

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 1.626
Li3 0.000 0.000 -1.626

Atom - Atom Distances (Å)
  O1 Li2 Li3
O11.62591.6259
Li21.62593.2517
Li31.62593.2517

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 B1B95/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.797      
2 Li 0.398      
3 Li 0.398      


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 -13.117 0.000 0.000
y 0.000 -13.117 0.000
z 0.000 0.000 9.696
Traceless
 xyz
x -11.407 0.000 0.000
y 0.000 -11.407 0.000
z 0.000 0.000 22.814
Polar
3z2-r245.627
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 4.987 0.000 0.000
y 0.000 4.987 0.000
z 0.000 0.000 7.970


<r2> (average value of r2) Å2
<r2> 19.304
(<r2>)1/2 4.394