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

using model chemistry: TPSSh/cc-pVQZ

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 TPSSh/cc-pVQZ
 hartrees
Energy at 0K-90.341600
Energy at 298.15K-90.341789
HF Energy-90.341600
Nuclear repulsion energy17.253325
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 TPSSh/cc-pVQZ
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 788 788 0.00      
2 Σu 1034 1034 323.31      
3 Πu 92 92 207.34      
3 Πu 92 92 207.34      

Unscaled Zero Point Vibrational Energy (zpe) 1002.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1002.6 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 TPSSh/cc-pVQZ
B
0.46334

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVQZ

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 1.610
Li3 0.000 0.000 -1.610

Atom - Atom Distances (Å)
  O1 Li2 Li3
O11.61021.6102
Li21.61023.2205
Li31.61023.2205

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 TPSSh/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.402      
2 Li 0.201      
3 Li 0.201      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.901 0.000 0.000
y 0.000 6.901 0.000
z 0.000 0.000 6.403


<r2> (average value of r2) Å2
<r2> 18.836
(<r2>)1/2 4.340