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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: PBEPBEultrafine/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 PBEPBEultrafine/6-31G*
 hartrees
Energy at 0K-475.264855
Energy at 298.15K 
HF Energy-475.264855
Nuclear repulsion energy78.091490
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 PBEPBEultrafine/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3106 3055 24.44 179.68 0.12 0.22
2 A1 1810 1780 315.05 2.64 0.21 0.35
3 A1 1344 1322 2.85 20.51 0.56 0.72
4 A1 844 830 12.57 28.87 0.28 0.44
5 B1 642 631 94.07 0.23 0.75 0.86
6 B1 411 404 1.29 1.58 0.75 0.86
7 B2 3183 3131 3.82 112.00 0.75 0.86
8 B2 907 892 0.43 0.51 0.75 0.86
9 B2 351 345 2.05 0.23 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6298.6 cm-1
Scaled (by 0.9835) Zero Point Vibrational Energy (zpe) 6194.7 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 PBEPBEultrafine/6-31G*
ABC
9.47085 0.18525 0.18170

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.769
C2 0.000 0.000 -0.451
S3 0.000 0.000 1.124
H4 0.000 0.940 -2.331
H5 0.000 -0.940 -2.331

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31812.89351.09451.0945
C21.31811.57542.10112.1011
S32.89351.57543.58023.5802
H41.09452.10113.58021.8794
H51.09452.10113.58021.8794

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 120.844
C2 C1 H5 120.844 H4 C1 H5 118.311
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.491      
2 C 0.105      
3 S -0.026      
4 H 0.206      
5 H 0.206      


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 -1.310 1.310
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.949 0.000 0.000
y 0.000 -22.952 0.000
z 0.000 0.000 -21.223
Traceless
 xyz
x -4.861 0.000 0.000
y 0.000 1.134 0.000
z 0.000 0.000 3.727
Polar
3z2-r27.455
x2-y2-3.997
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.467 0.000 0.000
y 0.000 3.278 0.000
z 0.000 0.000 10.354


<r2> (average value of r2) Å2
<r2> 67.662
(<r2>)1/2 8.226