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All results from a given calculation for CSe2 (Carbon diselenide)

using model chemistry: B2PLYP=FULL/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1A1
Energy calculated at B2PLYP=FULL/TZVP
 hartrees
Energy at 0K-4840.433671
Energy at 298.15K-4840.429490
HF Energy-4840.186807
Nuclear repulsion energy306.517817
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 B2PLYP=FULL/TZVP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 373 355 0.00      
2 Σu 1319 1259 442.55      
3 Πu 311 297 9.45      
3 Πu 311 297 9.45      

Unscaled Zero Point Vibrational Energy (zpe) 1156.9 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 1103.9 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 B2PLYP=FULL/TZVP
B
0.03640

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
Se2 0.000 0.000 1.702
Se3 0.000 0.000 -1.702

Atom - Atom Distances (Å)
  C1 Se2 Se3
C11.70221.7022
Se21.70223.4045
Se31.70223.4045

picture of Carbon diselenide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Se2 C1 Se3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability