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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: PBEPBEultrafine/TZVP

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/TZVP
 hartrees
Energy at 0K-475.315653
Energy at 298.15K 
HF Energy-475.315653
Nuclear repulsion energy78.294283
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/TZVP
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 3081 3046 28.23 198.69 0.14 0.24
2 A1 1792 1771 362.28 9.68 0.10 0.18
3 A1 1322 1307 4.20 17.06 0.57 0.72
4 A1 841 831 11.18 31.66 0.26 0.42
5 B1 661 653 97.39 1.33 0.75 0.86
6 B1 409 405 7.47 0.15 0.75 0.86
7 B2 3160 3124 5.94 103.39 0.75 0.86
8 B2 893 882 0.07 0.39 0.75 0.86
9 B2 347 343 4.24 0.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6252.1 cm-1
Scaled (by 0.9886) Zero Point Vibrational Energy (zpe) 6180.8 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/TZVP
ABC
9.50946 0.18626 0.18268

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.764
C2 0.000 0.000 -0.452
S3 0.000 0.000 1.121
H4 0.000 0.938 -2.323
H5 0.000 -0.938 -2.323

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31242.88541.09171.0917
C21.31241.57302.09322.0932
S32.88541.57303.56973.5697
H41.09172.09323.56971.8756
H51.09172.09323.56971.8756

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 120.794
C2 C1 H5 120.794 H4 C1 H5 118.413
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/TZVP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.274      
2 C -0.024      
3 S -0.029      
4 H 0.163      
5 H 0.163      


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 -1.062 1.062
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.541 0.000 0.000
y 0.000 -23.343 0.000
z 0.000 0.000 -21.552
Traceless
 xyz
x -5.094 0.000 0.000
y 0.000 1.203 0.000
z 0.000 0.000 3.891
Polar
3z2-r27.781
x2-y2-4.198
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.326 0.000 0.000
y 0.000 3.574 0.000
z 0.000 0.000 11.222


<r2> (average value of r2) Å2
<r2> 67.645
(<r2>)1/2 8.225