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

using model chemistry: B2PLYP=FULLultrafine/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-834.201916
Energy at 298.15K 
HF Energy-834.024560
Nuclear repulsion energy108.729174
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/6-31G(2df,p)
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 670 670 0.00 30.61 0.24 0.38
2 Σu 1587 1587 597.32 0.00 0.00 0.00
3 Πu 417 417 1.70 0.00 0.00 0.00
3 Πu 417 417 1.70 0.00 0.00 0.00

Unscaled Zero Point Vibrational Energy (zpe) 1545.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1545.4 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/6-31G(2df,p)
B
0.10869

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULLultrafine/6-31G(2df,p)

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 1.557
S3 0.000 0.000 -1.557

Atom - Atom Distances (Å)
  C1 S2 S3
C11.55741.5574
S21.55743.1148
S31.55743.1148

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