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

using model chemistry: CISD/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 CISD/6-31G*
 hartrees
Energy at 0K-2405.174629
Energy at 298.15K 
HF Energy-2405.067574
Nuclear repulsion energy23.680830
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 CISD/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 543 503 65.81      

Unscaled Zero Point Vibrational Energy (zpe) 271.6 cm-1
Scaled (by 0.9258) Zero Point Vibrational Energy (zpe) 251.4 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 CISD/6-31G*
B
0.50309

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -2.095
Se2 0.000 0.000 0.185

Atom - Atom Distances (Å)
  Li1 Se2
Li12.2793
Se22.2793

picture of Lithium monoselenide state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability