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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B3LYP/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/3-21G*
 hartrees
Energy at 0K-473.279753
Energy at 298.15K 
HF Energy-473.279753
Nuclear repulsion energy78.710536
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 B3LYP/3-21G*
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 3156 3036 26.50 161.15 0.12 0.22
2 A1 1855 1784 326.44 4.05 0.19 0.32
3 A1 1439 1384 3.90 23.37 0.56 0.72
4 A1 862 830 15.65 25.83 0.31 0.48
5 B1 788 758 116.87 0.76 0.75 0.86
6 B1 434 418 4.01 2.24 0.75 0.86
7 B2 3228 3105 2.92 108.18 0.75 0.86
8 B2 985 948 1.20 1.19 0.75 0.86
9 B2 372 358 2.72 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6559.8 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 6310.6 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 B3LYP/3-21G*
ABC
9.68198 0.18817 0.18458

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.754
C2 0.000 0.000 -0.448
S3 0.000 0.000 1.116
H4 0.000 0.929 -2.316
H5 0.000 -0.929 -2.316

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30632.87001.08591.0859
C21.30631.56382.08622.0862
S32.87001.56383.55523.5552
H41.08592.08623.55521.8588
H51.08592.08623.55521.8588

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 121.138
C2 C1 H5 121.138 H4 C1 H5 117.723
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.525      
2 C -0.048      
3 S 0.090      
4 H 0.241      
5 H 0.241      


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 -1.324 1.324
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.340 0.000 0.000
y 0.000 -23.279 0.000
z 0.000 0.000 -21.202
Traceless
 xyz
x -5.099 0.000 0.000
y 0.000 0.992 0.000
z 0.000 0.000 4.107
Polar
3z2-r28.213
x2-y2-4.061
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.999 0.000 0.000
y 0.000 2.978 0.000
z 0.000 0.000 9.890


<r2> (average value of r2) Å2
<r2> 66.993
(<r2>)1/2 8.185