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

using model chemistry: B3PW91/6-31G

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 B3PW91/6-31G
 hartrees
Energy at 0K-2406.674896
Energy at 298.15K 
HF Energy-2406.674896
Nuclear repulsion energy23.558366
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 B3PW91/6-31G
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 542 519 51.37      

Unscaled Zero Point Vibrational Energy (zpe) 270.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 259.4 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 B3PW91/6-31G
B
0.49790

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.105
Se2 0.000 0.000 0.186

Atom - Atom Distances (Å)
  Li1 Se2
Li12.2912
Se22.2912

picture of Lithium monoselenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Li 0.406      
2 Se -0.406      


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 -7.060 7.060
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.134 0.000 0.000
y 0.000 -25.204 0.000
z 0.000 0.000 -6.429
Traceless
 xyz
x -5.318 0.000 0.000
y 0.000 -11.422 0.000
z 0.000 0.000 16.740
Polar
3z2-r233.480
x2-y24.070
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.329 0.000 0.000
y 0.000 4.902 0.000
z 0.000 0.000 8.036


<r2> (average value of r2) Å2
<r2> 25.457
(<r2>)1/2 5.046