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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B2PLYP/3-21G*

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/3-21G*
 hartrees
Energy at 0K-473.009405
Energy at 298.15K 
HF Energy-472.905165
Nuclear repulsion energy78.590179
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/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 A1 3182 3182 26.39 157.46 0.12 0.22
2 A1 1841 1841 304.11 2.97 0.17 0.29
3 A1 1462 1462 3.31 23.41 0.56 0.72
4 A1 856 856 12.31 26.17 0.31 0.48
5 B1 797 797 116.69 0.75 0.75 0.86
6 B1 420 420 3.34 2.10 0.75 0.86
7 B2 3258 3258 2.70 107.07 0.75 0.86
8 B2 1009 1009 0.98 1.16 0.75 0.86
9 B2 365 365 2.64 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6594.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6594.9 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 B2PLYP/3-21G*
ABC
9.70425 0.18747 0.18392

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

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 -0.448
S3 0.000 0.000 1.117
H4 0.000 0.928 -2.318
H5 0.000 -0.928 -2.318

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31042.87611.08391.0839
C21.31041.56572.08772.0877
S32.87611.56573.55893.5589
H41.08392.08773.55891.8567
H51.08392.08773.55891.8567

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 121.079
C2 C1 H5 121.079 H4 C1 H5 117.842
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.521      
2 C -0.052      
3 S 0.091      
4 H 0.241      
5 H 0.241      


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 -1.267 1.267
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.483 0.000 0.000
y 0.000 -23.436 0.000
z 0.000 0.000 -21.507
Traceless
 xyz
x -5.011 0.000 0.000
y 0.000 1.059 0.000
z 0.000 0.000 3.952
Polar
3z2-r27.903
x2-y2-4.047
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.973 0.000 0.000
y 0.000 2.959 0.000
z 0.000 0.000 9.901


<r2> (average value of r2) Å2
<r2> 67.286
(<r2>)1/2 8.203