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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B3LYP/CEP-121G

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-121G
 hartrees
Energy at 0K-22.552587
Energy at 298.15K 
HF Energy-22.552587
Nuclear repulsion energy26.420244
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-121G
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 3108 3029 18.49 198.17 0.14 0.25
2 A1 1764 1719 330.15 9.87 0.16 0.28
3 A1 1383 1347 3.68 22.12 0.54 0.70
4 A1 780 760 15.98 33.37 0.25 0.40
5 B1 789 769 121.61 2.36 0.75 0.86
6 B1 396 386 5.10 0.82 0.75 0.86
7 B2 3204 3122 0.16 110.41 0.75 0.86
8 B2 952 927 0.09 1.46 0.75 0.86
9 B2 345 336 3.61 0.79 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6359.7 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 6197.5 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-121G
ABC
9.57480 0.17761 0.17438

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.803
C2 0.000 0.000 -0.477
S3 0.000 0.000 1.150
H4 0.000 0.935 -2.362
H5 0.000 -0.935 -2.362

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.32662.95341.08881.0888
C21.32661.62682.10402.1040
S32.95341.62683.63413.6341
H41.08882.10403.63411.8692
H51.08882.10403.63411.8692

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 120.862
C2 C1 H5 120.862 H4 C1 H5 118.277
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.429      
2 C 0.077      
3 S -0.020      
4 H 0.186      
5 H 0.186      


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 -1.632 1.632
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.071 0.000 0.000
y 0.000 -22.743 0.000
z 0.000 0.000 -21.338
Traceless
 xyz
x -5.030 0.000 0.000
y 0.000 1.462 0.000
z 0.000 0.000 3.568
Polar
3z2-r27.137
x2-y2-4.328
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.680 0.000 0.000
y 0.000 3.211 0.000
z 0.000 0.000 11.300


<r2> (average value of r2) Å2
<r2> 49.569
(<r2>)1/2 7.040