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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: HF/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/LANL2DZ
 hartrees
Energy at 0K-86.697965
Energy at 298.15K 
HF Energy-86.697965
Nuclear repulsion energy44.094970
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 HF/LANL2DZ
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 3339 3004 18.40 168.34 0.12 0.21
2 A1 1921 1728 443.58 34.55 0.20 0.33
3 A1 1528 1375 0.08 20.03 0.52 0.68
4 A1 837 753 45.06 32.03 0.39 0.56
5 B1 1016 914 131.29 7.84 0.75 0.86
6 B1 441 397 11.58 0.17 0.75 0.86
7 B2 3445 3100 0.06 99.31 0.75 0.86
8 B2 1061 955 0.00 2.26 0.75 0.86
9 B2 400 360 4.12 3.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6993.3 cm-1
Scaled (by 0.8999) Zero Point Vibrational Energy (zpe) 6293.2 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 HF/LANL2DZ
ABC
9.81121 0.18345 0.18008

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.774
C2 0.000 0.000 -0.470
S3 0.000 0.000 1.132
H4 0.000 0.923 -2.323
H5 0.000 -0.923 -2.323

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30462.90601.07411.0741
C21.30461.60142.07072.0707
S32.90601.60143.57613.5761
H41.07412.07073.57611.8465
H51.07412.07073.57611.8465

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 120.728
C2 C1 H5 120.728 H4 C1 H5 118.545
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.431      
2 C -0.196      
3 S 0.131      
4 H 0.248      
5 H 0.248      


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 -2.296 2.296
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.636 0.000 0.000
y 0.000 -23.338 0.000
z 0.000 0.000 -21.884
Traceless
 xyz
x -5.026 0.000 0.000
y 0.000 1.422 0.000
z 0.000 0.000 3.603
Polar
3z2-r27.207
x2-y2-4.299
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.838 0.000 0.000
y 0.000 2.579 0.000
z 0.000 0.000 10.721


<r2> (average value of r2) Å2
<r2> 55.562
(<r2>)1/2 7.454