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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: HF/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/Def2TZVPP
 hartrees
Energy at 0K-474.416967
Energy at 298.15K 
HF Energy-474.416967
Nuclear repulsion energy79.599947
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 HF/Def2TZVPP
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3297 2989 21.83 152.47 0.12 0.22
2 A1 1923 1743 593.07 56.97 0.23 0.37
3 A1 1499 1359 4.75 18.79 0.51 0.68
4 A1 907 822 41.08 37.49 0.22 0.36
5 B1 881 798 85.76 7.28 0.75 0.86
6 B1 467 423 6.40 0.43 0.75 0.86
7 B2 3388 3071 2.47 84.50 0.75 0.86
8 B2 1026 930 0.73 0.39 0.75 0.86
9 B2 401 364 1.12 0.41 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6893.9 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 6248.6 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 HF/Def2TZVPP
ABC
9.71972 0.19258 0.18883

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.737
C2 0.000 0.000 -0.444
S3 0.000 0.000 1.102
H4 0.000 0.928 -2.276
H5 0.000 -0.928 -2.276

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.29312.83971.07251.0725
C21.29311.54672.05302.0530
S32.83971.54673.50323.5032
H41.07252.05303.50321.8552
H51.07252.05303.50321.8552

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 120.132
C2 C1 H5 120.132 H4 C1 H5 119.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.109      
2 C -0.016      
3 S -0.066      
4 H 0.095      
5 H 0.095      


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 -1.482 1.482
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.915 0.000 0.000
y 0.000 -23.756 0.000
z 0.000 0.000 -21.691
Traceless
 xyz
x -5.192 0.000 0.000
y 0.000 1.047 0.000
z 0.000 0.000 4.145
Polar
3z2-r28.290
x2-y2-4.159
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.890 0.000 0.000
y 0.000 4.017 0.000
z 0.000 0.000 11.113


<r2> (average value of r2) Å2
<r2> 66.092
(<r2>)1/2 8.130