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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B3PW91/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-475.469971
Energy at 298.15K 
HF Energy-475.469971
Nuclear repulsion energy78.634762
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 B3PW91/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3181 3044 23.70      
2 A1 1857 1777 361.39      
3 A1 1391 1331 0.95      
4 A1 869 831 17.16      
5 B1 708 678 97.79      
6 B1 427 408 1.81      
7 B2 3263 3122 3.73      
8 B2 941 900 0.33      
9 B2 362 346 1.70      

Unscaled Zero Point Vibrational Energy (zpe) 6499.6 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 6218.1 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 B3PW91/6-31G*
ABC
9.58217 0.18785 0.18424

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.758
C2 0.000 0.000 -0.448
S3 0.000 0.000 1.116
H4 0.000 0.934 -2.313
H5 0.000 -0.934 -2.313

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30922.87381.08671.0867
C21.30921.56462.08522.0852
S32.87381.56463.55383.5538
H41.08672.08523.55381.8685
H51.08672.08523.55381.8685

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 120.714
C2 C1 H5 120.714 H4 C1 H5 118.572
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.520      
2 C 0.103      
3 S -0.025      
4 H 0.221      
5 H 0.221      


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 -1.369 1.369
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.966 0.000 0.000
y 0.000 -22.920 0.000
z 0.000 0.000 -21.191
Traceless
 xyz
x -4.911 0.000 0.000
y 0.000 1.159 0.000
z 0.000 0.000 3.752
Polar
3z2-r27.503
x2-y2-4.046
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.442 0.000 0.000
y 0.000 3.226 0.000
z 0.000 0.000 10.253


<r2> (average value of r2) Å2
<r2> 66.915
(<r2>)1/2 8.180