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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: PBEPBE/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-475.289970
Energy at 298.15K 
HF Energy-475.289970
Nuclear repulsion energy77.873408
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/cc-pVDZ
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 3085 3067 29.75 194.76 0.12 0.22
2 A1 1807 1797 325.06 4.39 0.08 0.16
3 A1 1291 1283 4.26 18.56 0.56 0.72
4 A1 844 839 10.34 29.76 0.28 0.44
5 B1 623 619 81.24 0.32 0.75 0.86
6 B1 406 404 2.06 0.70 0.75 0.86
7 B2 3178 3160 6.77 118.39 0.75 0.86
8 B2 873 868 0.25 0.43 0.75 0.86
9 B2 345 343 2.27 0.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6225.8 cm-1
Scaled (by 0.9942) Zero Point Vibrational Energy (zpe) 6189.7 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/cc-pVDZ
ABC
9.31182 0.18435 0.18077

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.774
C2 0.000 0.000 -0.453
S3 0.000 0.000 1.127
H4 0.000 0.948 -2.333
H5 0.000 -0.948 -2.333

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.32162.90111.10031.1003
C21.32161.57952.10582.1058
S32.90111.57953.58753.5875
H41.10032.10583.58751.8954
H51.10032.10583.58751.8954

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 120.531
C2 C1 H5 120.531 H4 C1 H5 118.937
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 C 0.009      
3 S -0.065      
4 H 0.083      
5 H 0.083      


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 -1.056 1.056
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.990 0.000 0.000
y 0.000 -23.132 0.000
z 0.000 0.000 -21.229
Traceless
 xyz
x -4.809 0.000 0.000
y 0.000 0.978 0.000
z 0.000 0.000 3.832
Polar
3z2-r27.663
x2-y2-3.858
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.489 0.000 0.000
y 0.000 3.286 0.000
z 0.000 0.000 10.524


<r2> (average value of r2) Å2
<r2> 67.974
(<r2>)1/2 8.245