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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B1B95/aug-cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-475.611283
Energy at 298.15K 
HF Energy-475.611283
Nuclear repulsion energy79.317610
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 B1B95/aug-cc-pV(T+d)Z
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 3171 3171 28.88      
2 A1 1848 1848 438.38      
3 A1 1371 1371 0.82      
4 A1 878 878 14.79      
5 B1 722 722 76.89      
6 B1 433 433 7.89      
7 B2 3255 3255 4.62      
8 B2 924 924 0.33      
9 B2 366 366 2.62      

Unscaled Zero Point Vibrational Energy (zpe) 6482.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6482.8 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 B1B95/aug-cc-pV(T+d)Z
ABC
9.66504 0.19119 0.18749

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.743
C2 0.000 0.000 -0.443
S3 0.000 0.000 1.106
H4 0.000 0.930 -2.292
H5 0.000 -0.930 -2.292

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30082.84941.07981.0798
C21.30081.54872.06982.0698
S32.84941.54873.52273.5227
H41.07982.06983.52271.8605
H51.07982.06983.52271.8605

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 120.514
C2 C1 H5 120.514 H4 C1 H5 118.972
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.883      
2 C 0.220      
3 S -0.142      
4 H 0.403      
5 H 0.403      


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 -1.070 1.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.334 0.000 0.000
y 0.000 -23.395 0.000
z 0.000 0.000 -21.457
Traceless
 xyz
x -4.908 0.000 0.000
y 0.000 1.001 0.000
z 0.000 0.000 3.907
Polar
3z2-r27.814
x2-y2-3.939
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.987 0.000 0.000
y 0.000 4.910 0.000
z 0.000 0.000 11.439


<r2> (average value of r2) Å2
<r2> 66.247
(<r2>)1/2 8.139