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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: PBE1PBE/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 PBE1PBE/6-31G**
 hartrees
Energy at 0K-475.298237
Energy at 298.15K 
HF Energy-475.298237
Nuclear repulsion energy78.736274
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/6-31G**
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 3198 3048 27.08 167.90 0.12 0.21
2 A1 1874 1786 372.14 6.06 0.25 0.40
3 A1 1393 1327 0.91 18.47 0.56 0.72
4 A1 877 836 18.11 29.13 0.28 0.43
5 B1 718 684 99.06 0.77 0.75 0.86
6 B1 430 410 1.90 1.72 0.75 0.86
7 B2 3282 3128 4.91 104.65 0.75 0.86
8 B2 942 898 0.34 0.66 0.75 0.86
9 B2 363 346 1.69 0.35 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6537.2 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 6230.6 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 PBE1PBE/6-31G**
ABC
9.57777 0.18837 0.18474

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.755
C2 0.000 0.000 -0.448
S3 0.000 0.000 1.115
H4 0.000 0.934 -2.309
H5 0.000 -0.934 -2.309

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30772.86991.08621.0862
C21.30771.56222.08292.0829
S32.86991.56223.54903.5490
H41.08622.08293.54901.8689
H51.08622.08293.54901.8689

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 120.652
C2 C1 H5 120.652 H4 C1 H5 118.696
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.525      
2 C 0.095      
3 S -0.021      
4 H 0.226      
5 H 0.226      


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 -1.388 1.388
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.053 0.000 0.000
y 0.000 -22.974 0.000
z 0.000 0.000 -21.226
Traceless
 xyz
x -4.953 0.000 0.000
y 0.000 1.166 0.000
z 0.000 0.000 3.788
Polar
3z2-r27.576
x2-y2-4.079
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.441 0.000 0.000
y 0.000 3.218 0.000
z 0.000 0.000 10.223


<r2> (average value of r2) Å2
<r2> 66.812
(<r2>)1/2 8.174