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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B2PLYP/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-311G**
 hartrees
Energy at 0K-475.359322
Energy at 298.15K 
HF Energy-475.222121
Nuclear repulsion energy78.628365
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/6-311G**
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 3168 3168 25.25 183.06 0.15 0.26
2 A1 1821 1821 380.85 8.28 0.09 0.16
3 A1 1387 1387 0.97 15.81 0.56 0.72
4 A1 855 855 12.50 32.35 0.29 0.45
5 B1 711 711 89.74 1.45 0.75 0.86
6 B1 408 408 4.90 0.46 0.75 0.86
7 B2 3255 3255 3.19 109.06 0.75 0.86
8 B2 937 937 0.00 0.86 0.75 0.86
9 B2 358 358 3.09 0.48 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6450.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6450.1 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 B2PLYP/6-311G**
ABC
9.60730 0.18773 0.18413

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.759
C2 0.000 0.000 -0.449
S3 0.000 0.000 1.117
H4 0.000 0.933 -2.309
H5 0.000 -0.933 -2.309

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31072.87581.08271.0827
C21.31071.56512.08092.0809
S32.87581.56513.54993.5499
H41.08272.08093.54991.8660
H51.08272.08093.54991.8660

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 120.489
C2 C1 H5 120.489 H4 C1 H5 119.022
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.286      
2 C -0.111      
3 S 0.086      
4 H 0.156      
5 H 0.156      


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 -1.022 1.022
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.762 0.000 0.000
y 0.000 -23.633 0.000
z 0.000 0.000 -21.918
Traceless
 xyz
x -4.987 0.000 0.000
y 0.000 1.208 0.000
z 0.000 0.000 3.779
Polar
3z2-r27.558
x2-y2-4.129
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.634 0.000 0.000
y 0.000 3.168 0.000
z 0.000 0.000 10.832


<r2> (average value of r2) Å2
<r2> 67.381
(<r2>)1/2 8.209