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

using model chemistry: PBE1PBE/6-31+G**

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 PBE1PBE/6-31+G**
 hartrees
Energy at 0K-90.172706
Energy at 298.15K-90.172948
HF Energy-90.172706
Nuclear repulsion energy17.106807
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 PBE1PBE/6-31+G**
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 793 757 0.00      
2 Σu 1050 1003 368.34      
3 Πu 106 101 216.21      
3 Πu 106 101 216.21      

Unscaled Zero Point Vibrational Energy (zpe) 1027.4 cm-1
Scaled (by 0.9553) Zero Point Vibrational Energy (zpe) 981.5 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 PBE1PBE/6-31+G**
B
0.45551

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31+G**

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 1.624
Li3 0.000 0.000 -1.624

Atom - Atom Distances (Å)
  O1 Li2 Li3
O11.62401.6240
Li21.62403.2480
Li31.62403.2480

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 PBE1PBE/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O -0.706      
2 Li 0.353      
3 Li 0.353      


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 -13.303 0.000 0.000
y 0.000 -13.303 0.000
z 0.000 0.000 10.604
Traceless
 xyz
x -11.953 0.000 0.000
y 0.000 -11.953 0.000
z 0.000 0.000 23.907
Polar
3z2-r247.814
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 5.163 0.000 0.000
y 0.000 5.163 0.000
z 0.000 0.000 6.873


<r2> (average value of r2) Å2
<r2> 19.156
(<r2>)1/2 4.377