return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
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All results from a given calculation for SCSe (Carbon sulfide selenide)

using model chemistry: MP2=FULL/cc-pVQZ

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 MP2=FULL/cc-pVQZ
 hartrees
Energy at 0K-2836.113879
Energy at 298.15K-2836.111669
HF Energy-2835.304888
Nuclear repulsion energy185.689977
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 MP2=FULL/cc-pVQZ
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 1531 1465 500.61      
2 Σ 530 507 0.08      
3 Π 377 361 6.86      
3 Π 377 361 6.86      

Unscaled Zero Point Vibrational Energy (zpe) 1407.0 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 1346.6 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 MP2=FULL/cc-pVQZ
B
0.06861

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.578
S2 0.000 0.000 -2.133
Se3 0.000 0.000 1.106

Atom - Atom Distances (Å)
  C1 S2 Se3
C11.55491.6834
S21.55493.2384
Se31.68343.2384

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