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All results from a given calculation for CS2 (Carbon disulfide)

using model chemistry: B2PLYP=FULL/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 1Σg
Energy calculated at B2PLYP=FULL/6-31G
 hartrees
Energy at 0K-834.013631
Energy at 298.15K-834.013089
HF Energy-833.927954
Nuclear repulsion energy105.177513
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/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 Σg 602 602 0.00 34.38 0.31 0.47
2 Σu 1468 1468 437.05 0.00 0.00 0.00
3 Πu 353 353 2.12 0.00 0.00 0.00
3 Πu 353 353 2.12 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1388.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1388.5 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/6-31G
B
0.10170

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.000
S2 0.000 0.000 1.610
S3 0.000 0.000 -1.610

Atom - Atom Distances (Å)
  C1 S2 S3
C11.61001.6100
S21.61003.2200
S31.61003.2200

picture of Carbon disulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S2 C1 S3 180.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability