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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: PBEPBE/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 PBEPBE/6-31G**
 hartrees
Energy at 0K-475.268191
Energy at 298.15K 
HF Energy-475.268191
Nuclear repulsion energy78.115491
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 PBEPBE/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 3104 3062 27.63 183.31 0.12 0.21
2 A1 1809 1784 318.46 2.73 0.21 0.34
3 A1 1329 1311 2.83 20.74 0.56 0.72
4 A1 844 832 12.56 29.38 0.28 0.44
5 B1 644 635 89.55 0.15 0.75 0.86
6 B1 411 406 1.47 1.54 0.75 0.86
7 B2 3186 3143 4.85 112.39 0.75 0.86
8 B2 894 882 0.33 0.48 0.75 0.86
9 B2 349 344 2.05 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6285.2 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 6199.1 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 PBEPBE/6-31G**
ABC
9.46886 0.18537 0.18181

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.769
C2 0.000 0.000 -0.452
S3 0.000 0.000 1.124
H4 0.000 0.940 -2.328
H5 0.000 -0.940 -2.328

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31762.89291.09341.0934
C21.31761.57532.09862.0986
S32.89291.57533.57743.5774
H41.09342.09863.57741.8796
H51.09342.09863.57741.8796

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 120.736
C2 C1 H5 120.736 H4 C1 H5 118.528
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.390      
2 C 0.082      
3 S -0.026      
4 H 0.167      
5 H 0.167      


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 -1.310 1.310
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.913 0.000 0.000
y 0.000 -22.964 0.000
z 0.000 0.000 -21.233
Traceless
 xyz
x -4.815 0.000 0.000
y 0.000 1.109 0.000
z 0.000 0.000 3.706
Polar
3z2-r27.412
x2-y2-3.949
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.491 0.000 0.000
y 0.000 3.302 0.000
z 0.000 0.000 10.382


<r2> (average value of r2) Å2
<r2> 67.619
(<r2>)1/2 8.223