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

using model chemistry: B2PLYP=FULLultrafine/3-21G*

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=FULLultrafine/3-21G*
 hartrees
Energy at 0K-830.232321
Energy at 298.15K 
HF Energy-830.101636
Nuclear repulsion energy108.436059
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=FULLultrafine/3-21G*
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 671 671 0.00 27.10 0.32 0.48
2 Σu 1587 1587 538.76 0.00 0.00 0.00
3 Πu 405 405 2.25 0.00 0.00 0.00
3 Πu 405 405 2.25 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1533.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1533.8 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=FULLultrafine/3-21G*
B
0.10810

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/3-21G*

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 1.562
S3 0.000 0.000 -1.562

Atom - Atom Distances (Å)
  C1 S2 S3
C11.56161.5616
S21.56163.1233
S31.56163.1233

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