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 SCSe (Carbon sulfide selenide)

using model chemistry: CCSD=FULL/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 CCSD=FULL/6-31G*
 hartrees
Energy at 0K-2833.365904
Energy at 298.15K-2833.363704
HF Energy-2832.936944
Nuclear repulsion energy185.150716
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/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 1508 1432 817.69      
2 Σ 540 513 0.67      
3 Π 385 366 2.69      
3 Π 385 366 2.69      

Unscaled Zero Point Vibrational Energy (zpe) 1409.0 cm-1
Scaled (by 0.9498) Zero Point Vibrational Energy (zpe) 1338.3 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 CCSD=FULL/6-31G*
B
0.06825

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.584
S2 0.000 0.000 -2.137
Se3 0.000 0.000 1.109

Atom - Atom Distances (Å)
  C1 S2 Se3
C11.55291.6932
S21.55293.2461
Se31.69323.2461

picture of Carbon sulfide selenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 Se3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability