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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: G3B3

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G3B3
 hartrees
Energy at 0K-475.357963
Energy at 298.15K-475.353270
HF Energy-475.553762
Nuclear repulsion energy78.491004
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 B3LYP/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 3044 20.86 171.75 0.12 0.22
2 A1 1841 1768 347.49 5.12 0.24 0.38
3 A1 1400 1344 0.42 20.37 0.55 0.71
4 A1 858 824 17.44 28.68 0.28 0.44
5 B1 711 683 88.86 0.56 0.75 0.86
6 B1 426 409 1.41 1.76 0.75 0.86
7 B2 3247 3118 2.35 109.10 0.75 0.86
8 B2 948 910 0.18 0.62 0.75 0.86
9 B2 365 350 1.28 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6482.3 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 6224.9 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 B3LYP/6-31G*
ABC
9.59806 0.18714 0.18356

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.760
C2 0.000 0.000 -0.450
S3 0.000 0.000 1.119
H4 0.000 0.933 -2.317
H5 0.000 -0.933 -2.317

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31002.87891.08661.0866
C21.31001.56892.08672.0867
S32.87891.56893.55973.5597
H41.08662.08673.55971.8669
H51.08662.08673.55971.8669

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 120.716
C2 C1 H5 120.716 H4 C1 H5 118.567
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.463      
2 C 0.118      
3 S -0.047      
4 H 0.196      
5 H 0.196      


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 -1.373 1.373
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 67.190
(<r2>)1/2 8.197