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All results from a given calculation for SCSe (Carbon sulfide selenide)

using model chemistry: MP2/CEP-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 MP2/CEP-31G
 hartrees
Energy at 0K-24.673078
Energy at 298.15K-24.670693
HF Energy-24.476649
Nuclear repulsion energy20.656607
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/CEP-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 1407 1360 473.12      
2 Σ 475 459 0.13      
3 Π 322 311 6.09      
3 Π 322 311 6.09      

Unscaled Zero Point Vibrational Energy (zpe) 1263.3 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 1220.7 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/CEP-31G
B
0.06291

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.588
S2 0.000 0.000 -2.230
Se3 0.000 0.000 1.153

Atom - Atom Distances (Å)
  C1 S2 Se3
C11.64261.7410
S21.64263.3836
Se31.74103.3836

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