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 LiS (Lithium monosulfide)

using model chemistry: CCSD=FULL/cc-pCVTZ

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 CCSD=FULL/cc-pCVTZ
 hartrees
Energy at 0K-405.563790
Energy at 298.15K-405.563731
HF Energy-405.017215
Nuclear repulsion energy11.783202
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 CCSD=FULL/cc-pCVTZ
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 586 586 89.00      

Unscaled Zero Point Vibrational Energy (zpe) 293.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 293.0 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 CCSD=FULL/cc-pCVTZ
B
0.63054

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/cc-pCVTZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Li1 0.000 0.000 -1.815
S2 0.000 0.000 0.340

Atom - Atom Distances (Å)
  Li1 S2
Li12.1557
S22.1557

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