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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: mPW1PW91/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-475.535053
Energy at 298.15K 
HF Energy-475.535053
Nuclear repulsion energy78.787764
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 mPW1PW91/6-31G**
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 3196 3041 28.28 170.77 0.12 0.21
2 A1 1871 1780 377.04 6.33 0.25 0.39
3 A1 1384 1317 0.76 18.63 0.56 0.72
4 A1 876 833 18.25 29.55 0.28 0.43
5 B1 723 688 94.42 0.67 0.75 0.86
6 B1 430 409 2.04 1.69 0.75 0.86
7 B2 3285 3126 5.32 105.23 0.75 0.86
8 B2 934 889 0.24 0.65 0.75 0.86
9 B2 362 345 1.64 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6530.5 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 6213.8 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 mPW1PW91/6-31G**
ABC
9.59509 0.18860 0.18496

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.754
C2 0.000 0.000 -0.448
S3 0.000 0.000 1.114
H4 0.000 0.934 -2.305
H5 0.000 -0.934 -2.305

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30672.86851.08411.0841
C21.30671.56192.07902.0790
S32.86851.56193.54463.5446
H41.08412.07903.54461.8672
H51.08412.07903.54461.8672

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 120.546
C2 C1 H5 120.546 H4 C1 H5 118.909
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.423      
2 C 0.076      
3 S -0.022      
4 H 0.184      
5 H 0.184      


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 -1.386 1.386
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.961 0.000 0.000
y 0.000 -22.936 0.000
z 0.000 0.000 -21.198
Traceless
 xyz
x -4.894 0.000 0.000
y 0.000 1.143 0.000
z 0.000 0.000 3.751
Polar
3z2-r27.502
x2-y2-4.024
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.461 0.000 0.000
y 0.000 3.234 0.000
z 0.000 0.000 10.245


<r2> (average value of r2) Å2
<r2> 66.705
(<r2>)1/2 8.167