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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: mPW1PW91/6-31G(2df,p)

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(2df,p)
 hartrees
Energy at 0K-475.544981
Energy at 298.15K 
HF Energy-475.544981
Nuclear repulsion energy79.059354
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(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 3185 3041 30.28 166.11 0.12 0.21
2 A1 1872 1787 376.46 6.69 0.33 0.49
3 A1 1374 1312 1.21 18.67 0.55 0.71
4 A1 875 835 17.01 30.61 0.23 0.37
5 B1 717 684 77.51 0.66 0.75 0.86
6 B1 440 420 2.85 1.37 0.75 0.86
7 B2 3274 3125 5.78 97.05 0.75 0.86
8 B2 928 886 0.01 0.33 0.75 0.86
9 B2 371 354 1.59 0.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6517.7 cm-1
Scaled (by 0.9547) Zero Point Vibrational Energy (zpe) 6222.4 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(2df,p)
ABC
9.62416 0.18996 0.18628

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.748
C2 0.000 0.000 -0.445
S3 0.000 0.000 1.110
H4 0.000 0.932 -2.300
H5 0.000 -0.932 -2.300

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30302.85801.08331.0833
C21.30301.55502.07592.0759
S32.85801.55503.53493.5349
H41.08332.07593.53491.8644
H51.08332.07593.53491.8644

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 120.621
C2 C1 H5 120.621 H4 C1 H5 118.758
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.570      
2 C 0.323      
3 S -0.139      
4 H 0.193      
5 H 0.193      


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 -1.289 1.289
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.812 0.000 0.000
y 0.000 -22.980 0.000
z 0.000 0.000 -21.044
Traceless
 xyz
x -4.800 0.000 0.000
y 0.000 0.947 0.000
z 0.000 0.000 3.853
Polar
3z2-r27.705
x2-y2-3.831
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.181 0.000 0.000
y 0.000 3.752 0.000
z 0.000 0.000 10.345


<r2> (average value of r2) Å2
<r2> 66.299
(<r2>)1/2 8.142