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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B2PLYP/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 B2PLYP/6-31G*
 hartrees
Energy at 0K-475.305002
Energy at 298.15K 
HF Energy-475.177580
Nuclear repulsion energy78.471960
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/6-31G*
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 3203 3040 22.44 167.61 0.12 0.22
2 A1 1840 1747 325.45 3.78 0.22 0.36
3 A1 1419 1347 0.44 19.41 0.55 0.71
4 A1 858 815 13.26 29.56 0.28 0.44
5 B1 714 677 91.69 0.57 0.75 0.86
6 B1 417 396 1.31 1.60 0.75 0.86
7 B2 3286 3119 2.57 107.03 0.75 0.86
8 B2 963 914 0.10 0.58 0.75 0.86
9 B2 361 342 1.45 0.33 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6530.6 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 6198.8 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/6-31G*
ABC
9.61878 0.18694 0.18337

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.762
C2 0.000 0.000 -0.450
S3 0.000 0.000 1.119
H4 0.000 0.932 -2.316
H5 0.000 -0.932 -2.316

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31282.88131.08431.0843
C21.31281.56852.08622.0862
S32.88131.56853.55913.5591
H41.08432.08623.55911.8649
H51.08432.08623.55911.8649

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 120.689
C2 C1 H5 120.689 H4 C1 H5 118.623
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.477      
2 C 0.096      
3 S -0.026      
4 H 0.204      
5 H 0.204      


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 -1.256 1.256
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.113 0.000 0.000
y 0.000 -23.150 0.000
z 0.000 0.000 -21.673
Traceless
 xyz
x -4.701 0.000 0.000
y 0.000 1.243 0.000
z 0.000 0.000 3.458
Polar
3z2-r26.917
x2-y2-3.962
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.411 0.000 0.000
y 0.000 3.211 0.000
z 0.000 0.000 10.253


<r2> (average value of r2) Å2
<r2> 67.316
(<r2>)1/2 8.205