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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G*
 hartrees
Energy at 0K-22.587276
Energy at 298.15K 
HF Energy-22.587276
Nuclear repulsion energy26.517494
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/CEP-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 3155 3046 11.96 164.30 0.19 0.32
2 A1 1818 1756 340.36 17.82 0.16 0.27
3 A1 1362 1316 0.07 14.70 0.57 0.73
4 A1 839 810 18.05 28.92 0.42 0.59
5 B1 666 644 133.68 8.32 0.75 0.86
6 B1 413 399 1.19 2.13 0.75 0.86
7 B2 3239 3128 0.28 94.73 0.75 0.86
8 B2 908 877 0.38 0.95 0.75 0.86
9 B2 345 333 1.87 0.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6372.7 cm-1
Scaled (by 0.9657) Zero Point Vibrational Energy (zpe) 6154.1 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/CEP-31G*
ABC
9.30610 0.18089 0.17744

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.798
C2 0.000 0.000 -0.449
S3 0.000 0.000 1.136
H4 0.000 0.948 -2.347
H5 0.000 -0.948 -2.347

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.34902.93381.09541.0954
C21.34901.58492.12142.1214
S32.93381.58493.60943.6094
H41.09542.12143.60941.8960
H51.09542.12143.60941.8960

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 120.070
C2 C1 H5 120.070 H4 C1 H5 119.859
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.088      
2 C 0.023      
3 S -0.394      
4 H 0.229      
5 H 0.229      


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 -1.214 1.214
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.807 0.000 0.000
y 0.000 -22.343 0.000
z 0.000 0.000 -20.616
Traceless
 xyz
x -5.328 0.000 0.000
y 0.000 1.369 0.000
z 0.000 0.000 3.959
Polar
3z2-r27.918
x2-y2-4.465
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.478 0.000 0.000
y 0.000 2.942 0.000
z 0.000 0.000 11.180


<r2> (average value of r2) Å2
<r2> 48.815
(<r2>)1/2 6.987