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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-475.558169
Energy at 298.15K 
HF Energy-475.558169
Nuclear repulsion energy79.161824
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 B1B95/6-31G(2df,p)
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 3185 3051 30.74 167.48 0.12 0.21
2 A1 1876 1797 372.44 6.32 0.32 0.49
3 A1 1371 1313 1.07 19.00 0.56 0.72
4 A1 877 840 16.45 30.36 0.23 0.38
5 B1 715 685 74.97 0.47 0.75 0.86
6 B1 440 422 2.74 1.36 0.75 0.86
7 B2 3275 3136 5.14 97.95 0.75 0.86
8 B2 924 884 0.00 0.29 0.75 0.86
9 B2 370 355 1.52 0.11 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6516.3 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 6240.7 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 B1B95/6-31G(2df,p)
ABC
9.64042 0.19046 0.18677

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.746
C2 0.000 0.000 -0.444
S3 0.000 0.000 1.108
H4 0.000 0.931 -2.297
H5 0.000 -0.931 -2.297

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30172.85441.08201.0820
C21.30171.55272.07342.0734
S32.85441.55273.53023.5302
H41.08202.07343.53021.8628
H51.08202.07343.53021.8628

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 120.594
C2 C1 H5 120.594 H4 C1 H5 118.812
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.533      
2 C 0.326      
3 S -0.146      
4 H 0.177      
5 H 0.177      


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 -1.245 1.245
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.725 0.000 0.000
y 0.000 -22.960 0.000
z 0.000 0.000 -21.095
Traceless
 xyz
x -4.698 0.000 0.000
y 0.000 0.950 0.000
z 0.000 0.000 3.748
Polar
3z2-r27.496
x2-y2-3.765
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.163 0.000 0.000
y 0.000 3.748 0.000
z 0.000 0.000 10.290


<r2> (average value of r2) Å2
<r2> 66.154
(<r2>)1/2 8.134