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: PBEPBE/6-311G*

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 PBEPBE/6-311G*
 hartrees
Energy at 0K-2408.659573
Energy at 298.15K 
HF Energy-2408.659573
Nuclear repulsion energy23.619093
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 PBEPBE/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σ 503 498 56.84 87.69 0.12 0.21

Unscaled Zero Point Vibrational Energy (zpe) 251.6 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 249.0 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 PBEPBE/6-311G*
B
0.50047

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.100
Se2 0.000 0.000 0.185

Atom - Atom Distances (Å)
  Li1 Se2
Li12.2853
Se22.2853

picture of Lithium monoselenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.424      
2 Se -0.424      


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 -6.726 6.726
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.256 0.000 0.000
y 0.000 -25.353 0.000
z 0.000 0.000 -6.079
Traceless
 xyz
x -5.540 0.000 0.000
y 0.000 -11.685 0.000
z 0.000 0.000 17.225
Polar
3z2-r234.451
x2-y24.097
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.437 0.000 0.000
y 0.000 6.587 0.000
z 0.000 0.000 8.653


<r2> (average value of r2) Å2
<r2> 25.367
(<r2>)1/2 5.037