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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-474.372656
Energy at 298.15K 
HF Energy-474.372656
Nuclear repulsion energy79.471621
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/6-31G(2df,p)
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 3309 2996 22.71 144.21 0.11 0.20
2 A1 1953 1769 521.28 31.81 0.32 0.48
3 A1 1498 1357 4.25 21.51 0.53 0.69
4 A1 905 819 45.06 34.74 0.23 0.37
5 B1 881 798 76.98 2.77 0.75 0.86
6 B1 471 427 2.36 2.06 0.75 0.86
7 B2 3401 3080 2.39 91.67 0.75 0.86
8 B2 1021 925 0.19 0.58 0.75 0.86
9 B2 403 365 0.45 0.40 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6921.3 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 6267.2 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/6-31G(2df,p)
ABC
9.70471 0.19198 0.18826

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.739
C2 0.000 0.000 -0.447
S3 0.000 0.000 1.105
H4 0.000 0.928 -2.279
H5 0.000 -0.928 -2.279

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.29232.84351.07421.0742
C21.29231.55122.05442.0544
S32.84351.55123.50893.5089
H41.07422.05443.50891.8566
H51.07422.05443.50891.8566

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 120.204
C2 C1 H5 120.204 H4 C1 H5 119.592
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.535      
2 C 0.303      
3 S -0.167      
4 H 0.200      
5 H 0.200      


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 -1.694 1.694
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.502 0.000 0.000
y 0.000 -23.531 0.000
z 0.000 0.000 -21.433
Traceless
 xyz
x -5.021 0.000 0.000
y 0.000 0.937 0.000
z 0.000 0.000 4.084
Polar
3z2-r28.167
x2-y2-3.972
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.164 0.000 0.000
y 0.000 3.714 0.000
z 0.000 0.000 10.453


<r2> (average value of r2) Å2
<r2> 66.061
(<r2>)1/2 8.128