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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B1B95/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G
 hartrees
Energy at 0K-475.496876
Energy at 298.15K 
HF Energy-475.496876
Nuclear repulsion energy77.653471
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 B1B95/6-31G
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 3200 3052 30.44 183.46 0.12 0.22
2 A1 1868 1782 321.56 3.73 0.21 0.35
3 A1 1416 1351 4.18 23.31 0.55 0.71
4 A1 820 782 18.93 28.36 0.29 0.44
5 B1 826 788 120.37 0.79 0.75 0.86
6 B1 395 376 2.94 1.64 0.75 0.86
7 B2 3286 3134 3.26 112.71 0.75 0.86
8 B2 967 922 0.82 1.65 0.75 0.86
9 B2 339 323 2.51 0.57 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6558.5 cm-1
Scaled (by 0.9537) Zero Point Vibrational Energy (zpe) 6254.9 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 B1B95/6-31G
ABC
9.72446 0.18289 0.17952

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.775
C2 0.000 0.000 -0.470
S3 0.000 0.000 1.134
H4 0.000 0.927 -2.336
H5 0.000 -0.927 -2.336

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30512.90861.08371.0837
C21.30511.60352.08352.0835
S32.90861.60353.59103.5910
H41.08372.08353.59101.8548
H51.08372.08353.59101.8548

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 121.153
C2 C1 H5 121.153 H4 C1 H5 117.693
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.465      
2 C -0.123      
3 S 0.163      
4 H 0.213      
5 H 0.213      


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 -1.831 1.831
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.185 0.000 0.000
y 0.000 -23.117 0.000
z 0.000 0.000 -21.749
Traceless
 xyz
x -4.752 0.000 0.000
y 0.000 1.350 0.000
z 0.000 0.000 3.402
Polar
3z2-r26.804
x2-y2-4.068
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.053 0.000 0.000
y 0.000 2.980 0.000
z 0.000 0.000 10.236


<r2> (average value of r2) Å2
<r2> 68.419
(<r2>)1/2 8.272