return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for LiSe (Lithium monoselenide)

using model chemistry: PBE1PBE/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 2Π
Energy calculated at PBE1PBE/6-31G*
 hartrees
Energy at 0K-2406.562828
Energy at 298.15K 
HF Energy-2406.562828
Nuclear repulsion energy23.955879
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/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 551 524 60.80 56.24 0.13 0.24

Unscaled Zero Point Vibrational Energy (zpe) 275.7 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 262.0 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/6-31G*
B
0.51484

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.070
Se2 0.000 0.000 0.183

Atom - Atom Distances (Å)
  Li1 Se2
Li12.2531
Se22.2531

picture of Lithium monoselenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.295      
2 Se -0.295      


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 -6.601 6.601
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.961 0.000 0.000
y 0.000 -24.870 0.000
z 0.000 0.000 -6.049
Traceless
 xyz
x -5.501 0.000 0.000
y 0.000 -11.365 0.000
z 0.000 0.000 16.867
Polar
3z2-r233.733
x2-y23.909
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.017 0.000 0.000
y 0.000 5.610 0.000
z 0.000 0.000 7.469


<r2> (average value of r2) Å2
<r2> 24.796
(<r2>)1/2 4.980