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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: HF/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-474.419195
Energy at 298.15K 
HF Energy-474.419195
Nuclear repulsion energy79.460659
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/cc-pVTZ
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 3295 2999 22.28 153.55 0.13 0.22
2 A1 1926 1753 575.14 46.80 0.23 0.37
3 A1 1497 1363 4.38 18.52 0.54 0.70
4 A1 903 822 41.21 36.54 0.24 0.38
5 B1 881 802 87.38 5.97 0.75 0.86
6 B1 465 423 5.09 0.59 0.75 0.86
7 B2 3384 3079 2.26 88.40 0.75 0.86
8 B2 1022 930 0.44 0.62 0.75 0.86
9 B2 399 363 0.92 0.68 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6885.8 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 6266.7 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/cc-pVTZ
ABC
9.71601 0.19189 0.18817

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.740
C2 0.000 0.000 -0.447
S3 0.000 0.000 1.105
H4 0.000 0.928 -2.278
H5 0.000 -0.928 -2.278

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.29282.84451.07251.0725
C21.29281.55172.05252.0525
S32.84451.55173.50753.5075
H41.07252.05253.50751.8556
H51.07252.05253.50751.8556

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 120.111
C2 C1 H5 120.111 H4 C1 H5 119.779
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.383      
2 C 0.107      
3 S -0.078      
4 H 0.177      
5 H 0.177      


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 -1.556 1.556
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.856 0.000 0.000
y 0.000 -23.728 0.000
z 0.000 0.000 -21.613
Traceless
 xyz
x -5.186 0.000 0.000
y 0.000 1.006 0.000
z 0.000 0.000 4.179
Polar
3z2-r28.359
x2-y2-4.128
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.500 0.000 0.000
y 0.000 3.829 0.000
z 0.000 0.000 10.968


<r2> (average value of r2) Å2
<r2> 66.225
(<r2>)1/2 8.138