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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-473.255006
Energy at 298.15K 
HF Energy-473.255006
Nuclear repulsion energy78.922283
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 mPW1PW91/3-21G*
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 3183 3023 32.07 156.72 0.12 0.22
2 A1 1881 1787 345.00 4.99 0.20 0.34
3 A1 1437 1364 4.91 21.49 0.56 0.72
4 A1 878 834 16.62 26.02 0.31 0.48
5 B1 804 764 130.25 1.10 0.75 0.86
6 B1 439 417 5.05 2.22 0.75 0.86
7 B2 3262 3097 5.08 104.54 0.75 0.86
8 B2 989 939 1.62 1.30 0.75 0.86
9 B2 373 354 3.41 0.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6622.4 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 6288.6 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 mPW1PW91/3-21G*
ABC
9.66510 0.18925 0.18561

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.750
C2 0.000 0.000 -0.446
S3 0.000 0.000 1.112
H4 0.000 0.930 -2.309
H5 0.000 -0.930 -2.309

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30442.86241.08501.0850
C21.30441.55802.08222.0822
S32.86241.55803.54513.5451
H41.08502.08223.54511.8604
H51.08502.08223.54511.8604

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 120.979
C2 C1 H5 120.979 H4 C1 H5 118.041
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.580      
2 C -0.068      
3 S 0.109      
4 H 0.270      
5 H 0.270      


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 -1.346 1.346
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.443 0.000 0.000
y 0.000 -23.227 0.000
z 0.000 0.000 -20.956
Traceless
 xyz
x -5.351 0.000 0.000
y 0.000 0.973 0.000
z 0.000 0.000 4.378
Polar
3z2-r28.757
x2-y2-4.216
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.008 0.000 0.000
y 0.000 2.968 0.000
z 0.000 0.000 9.893


<r2> (average value of r2) Å2
<r2> 66.666
(<r2>)1/2 8.165