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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: TPSSh/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/6-31G**
 hartrees
Energy at 0K-475.562124
Energy at 298.15K 
HF Energy-475.562124
Nuclear repulsion energy78.482911
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 TPSSh/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 A1 3170 3039 19.80 182.40 0.12 0.21
2 A1 1837 1761 341.63 5.09 0.23 0.38
3 A1 1394 1336 0.54 20.35 0.55 0.71
4 A1 859 823 15.77 29.14 0.28 0.43
5 B1 698 670 89.81 0.46 0.75 0.86
6 B1 420 402 1.38 1.71 0.75 0.86
7 B2 3255 3120 2.50 113.20 0.75 0.86
8 B2 936 898 0.06 0.61 0.75 0.86
9 B2 356 341 1.60 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6461.8 cm-1
Scaled (by 0.9587) Zero Point Vibrational Energy (zpe) 6194.9 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 TPSSh/6-31G**
ABC
9.58914 0.18704 0.18346

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.762
C2 0.000 0.000 -0.450
S3 0.000 0.000 1.119
H4 0.000 0.934 -2.315
H5 0.000 -0.934 -2.315

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31222.88061.08521.0852
C21.31221.56842.08582.0858
S32.88061.56843.55813.5581
H41.08522.08583.55811.8678
H51.08522.08583.55811.8678

picture of Thioketene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 180.000 C2 C1 H4 120.622
C2 C1 H5 120.622 H4 C1 H5 118.756
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.403      
2 C 0.074      
3 S -0.020      
4 H 0.175      
5 H 0.175      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.393 1.393
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.460 0.000 0.000
y 0.000 3.257 0.000
z 0.000 0.000 10.291


<r2> (average value of r2) Å2
<r2> 67.136
(<r2>)1/2 8.194