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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: mPW1PW91/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-475.595164
Energy at 298.15K 
HF Energy-475.595164
Nuclear repulsion energy79.092036
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/cc-pVTZ
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 3168 3039 28.94 181.73 0.13 0.23
2 A1 1850 1775 418.70 13.02 0.18 0.31
3 A1 1372 1316 1.21 15.81 0.58 0.73
4 A1 874 839 15.10 32.42 0.24 0.38
5 B1 721 692 83.73 2.19 0.75 0.86
6 B1 431 414 5.72 0.30 0.75 0.86
7 B2 3252 3120 4.98 95.85 0.75 0.86
8 B2 925 887 0.02 0.35 0.75 0.86
9 B2 365 350 2.30 0.26 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6479.6 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 6215.2 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/cc-pVTZ
ABC
9.63731 0.19011 0.18643

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.747
C2 0.000 0.000 -0.446
S3 0.000 0.000 1.110
H4 0.000 0.932 -2.297
H5 0.000 -0.932 -2.297

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30162.85701.08161.0816
C21.30161.55542.07242.0724
S32.85701.55543.53173.5317
H41.08162.07243.53171.8631
H51.08162.07243.53171.8631

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 120.541
C2 C1 H5 120.541 H4 C1 H5 118.918
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.310      
2 C 0.081      
3 S -0.053      
4 H 0.141      
5 H 0.141      


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 -1.147 1.147
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.211 0.000 0.000
y 0.000 -23.257 0.000
z 0.000 0.000 -21.276
Traceless
 xyz
x -4.944 0.000 0.000
y 0.000 0.987 0.000
z 0.000 0.000 3.958
Polar
3z2-r27.916
x2-y2-3.954
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.545 0.000 0.000
y 0.000 3.913 0.000
z 0.000 0.000 10.895


<r2> (average value of r2) Å2
<r2> 66.437
(<r2>)1/2 8.151