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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at G4
 hartrees
Energy at 0K-475.387793
Energy at 298.15K-475.383154
HF Energy-475.566331
Nuclear repulsion energy78.853879
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(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 3156 3045 25.19 170.03 0.12 0.21
2 A1 1847 1782 349.19 5.59 0.32 0.48
3 A1 1378 1330 0.94 20.53 0.55 0.71
4 A1 859 829 16.41 30.02 0.23 0.38
5 B1 712 687 72.20 0.44 0.75 0.86
6 B1 436 420 2.33 1.41 0.75 0.86
7 B2 3237 3123 3.76 101.19 0.75 0.86
8 B2 934 901 0.00 0.34 0.75 0.86
9 B2 373 360 1.30 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6464.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 6238.6 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 B3LYP/6-31G(2df,p)
ABC
9.63627 0.18892 0.18528

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.752
C2 0.000 0.000 -0.447
S3 0.000 0.000 1.113
H4 0.000 0.932 -2.307
H5 0.000 -0.932 -2.307

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30502.86531.08451.0845
C21.30501.56042.08042.0804
S32.86531.56043.54513.5451
H41.08452.08043.54511.8632
H51.08452.08043.54511.8632

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 120.792
C2 C1 H5 120.792 H4 C1 H5 118.416
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.519      
2 C 0.350      
3 S -0.158      
4 H 0.164      
5 H 0.164      


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 -1.277 1.277
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> 66.685
(<r2>)1/2 8.166