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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B2PLYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-311G*
 hartrees
Energy at 0K-475.351977
Energy at 298.15K 
HF Energy-475.217997
Nuclear repulsion energy78.603536
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 B2PLYP/6-311G*
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 3168 20.31 176.44 0.15 0.26
2 A1 1823 1823 375.38 7.89 0.09 0.16
3 A1 1403 1403 0.90 15.72 0.55 0.71
4 A1 855 855 12.76 31.72 0.29 0.45
5 B1 700 700 96.86 1.66 0.75 0.86
6 B1 407 407 4.58 0.54 0.75 0.86
7 B2 3253 3253 1.77 108.19 0.75 0.86
8 B2 957 957 0.04 0.88 0.75 0.86
9 B2 360 360 3.30 0.47 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6462.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6462.8 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 B2PLYP/6-311G*
ABC
9.63599 0.18759 0.18400

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.759
C2 0.000 0.000 -0.449
S3 0.000 0.000 1.117
H4 0.000 0.932 -2.312
H5 0.000 -0.932 -2.312

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31082.87631.08331.0833
C21.31081.56552.08352.0835
S32.87631.56553.55353.5535
H41.08332.08353.55351.8633
H51.08332.08353.55351.8633

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 120.686
C2 C1 H5 120.686 H4 C1 H5 118.629
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.556      
2 C -0.042      
3 S 0.084      
4 H 0.256      
5 H 0.256      


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 -1.068 1.068
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.867 0.000 0.000
y 0.000 -23.596 0.000
z 0.000 0.000 -21.816
Traceless
 xyz
x -5.161 0.000 0.000
y 0.000 1.246 0.000
z 0.000 0.000 3.915
Polar
3z2-r27.830
x2-y2-4.271
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.588 0.000 0.000
y 0.000 3.141 0.000
z 0.000 0.000 10.807


<r2> (average value of r2) Å2
<r2> 67.420
(<r2>)1/2 8.211