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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-469.961162
Energy at 298.15K 
HF Energy-469.961162
Nuclear repulsion energy78.610543
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 PBE1PBE/STO-3G
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 3424 3020 82.21 87.39 0.14 0.24
2 A1 2046 1805 165.99 0.36 0.32 0.48
3 A1 1540 1358 0.56 23.95 0.66 0.80
4 A1 933 823 4.62 20.75 0.32 0.48
5 B1 779 687 59.85 0.00 0.75 0.86
6 B1 421 372 0.21 0.67 0.75 0.86
7 B2 3562 3142 9.21 67.55 0.75 0.86
8 B2 1033 911 1.37 0.49 0.75 0.86
9 B2 357 315 0.40 0.27 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 7047.9 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 6217.0 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 PBE1PBE/STO-3G
ABC
9.62198 0.18765 0.18406

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.758
C2 0.000 0.000 -0.442
S3 0.000 0.000 1.116
H4 0.000 0.932 -2.329
H5 0.000 -0.932 -2.329

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31692.87451.09281.0928
C21.31691.55762.10482.1048
S32.87451.55763.56863.5686
H41.09282.10483.56861.8646
H51.09282.10483.56861.8646

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 121.446
C2 C1 H5 121.446 H4 C1 H5 117.107
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.244      
2 C -0.120      
3 S 0.172      
4 H 0.096      
5 H 0.096      


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 0.016 0.016
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -23.091 0.000 0.000
y 0.000 -20.443 0.000
z 0.000 0.000 -21.199
Traceless
 xyz
x -2.270 0.000 0.000
y 0.000 1.703 0.000
z 0.000 0.000 0.567
Polar
3z2-r21.135
x2-y2-2.648
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.493 0.000 0.000
y 0.000 1.412 0.000
z 0.000 0.000 6.172


<r2> (average value of r2) Å2
<r2> 65.712
(<r2>)1/2 8.106