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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: mPW1PW91/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-475.562446
Energy at 298.15K 
HF Energy-475.562446
Nuclear repulsion energy78.489258
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/aug-cc-pVDZ
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 3177 3045 29.18 197.18 0.10 0.19
2 A1 1849 1772 431.33 21.68 0.22 0.36
3 A1 1358 1302 1.20 16.26 0.57 0.73
4 A1 872 836 15.68 39.93 0.15 0.26
5 B1 725 695 79.94 4.61 0.75 0.86
6 B1 412 395 6.92 0.17 0.75 0.86
7 B2 3273 3136 4.99 95.53 0.75 0.86
8 B2 914 876 0.31 0.23 0.75 0.86
9 B2 355 341 2.46 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6468.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 6198.5 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 mPW1PW91/aug-cc-pVDZ
ABC
9.49381 0.18721 0.18359

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.761
C2 0.000 0.000 -0.450
S3 0.000 0.000 1.118
H4 0.000 0.939 -2.313
H5 0.000 -0.939 -2.313

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31152.87931.08891.0889
C21.31151.56782.08662.0866
S32.87931.56783.55743.5574
H41.08892.08663.55741.8772
H51.08892.08663.55741.8772

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 120.461
C2 C1 H5 120.461 H4 C1 H5 119.079
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.467      
2 C -0.026      
3 S 0.006      
4 H -0.224      
5 H -0.224      


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 -1.207 1.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.631 0.000 0.000
y 0.000 -23.463 0.000
z 0.000 0.000 -21.473
Traceless
 xyz
x -5.163 0.000 0.000
y 0.000 1.089 0.000
z 0.000 0.000 4.074
Polar
3z2-r28.148
x2-y2-4.168
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.911 0.000 0.000
y 0.000 4.806 0.000
z 0.000 0.000 11.592


<r2> (average value of r2) Å2
<r2> 67.399
(<r2>)1/2 8.210