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 CS (carbon monosulfide)

using model chemistry: MP3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at MP3/6-31G*
 hartrees
Energy at 0K-435.551933
Energy at 298.15K-435.550695
HF Energy-435.304148
Nuclear repulsion energy33.167374
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 MP3/6-31G*
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 1390 1305 74.98      

Unscaled Zero Point Vibrational Energy (zpe) 695.0 cm-1
Scaled (by 0.9386) Zero Point Vibrational Energy (zpe) 652.3 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 MP3/6-31G*
B
0.82357

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP3/6-31G*

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.114
S2 0.000 0.000 0.418

Atom - Atom Distances (Å)
  C1 S2
C11.5317
S21.5317

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