return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B97D3/cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/cc-pVQZ
 hartrees
Energy at 0K-475.576531
Energy at 298.15K 
HF Energy-475.576531
Nuclear repulsion energy78.702817
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 B97D3/cc-pVQZ
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 3091 3091 19.91 203.91 0.11 0.20
2 A1 1781 1781 369.28 10.12 0.23 0.37
3 A1 1344 1344 1.87 17.20 0.55 0.71
4 A1 843 843 11.10 34.86 0.20 0.33
5 B1 661 661 77.39 2.48 0.75 0.86
6 B1 409 409 5.75 0.27 0.75 0.86
7 B2 3167 3167 2.31 103.05 0.75 0.86
8 B2 906 906 0.13 0.14 0.75 0.86
9 B2 351 351 2.63 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6276.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6276.2 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 B97D3/cc-pVQZ
ABC
9.60308 0.18814 0.18453

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.757
C2 0.000 0.000 -0.446
S3 0.000 0.000 1.115
H4 0.000 0.933 -2.312
H5 0.000 -0.933 -2.312

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31042.87191.08591.0859
C21.31041.56152.08612.0861
S32.87191.56153.55203.5520
H41.08592.08613.55201.8664
H51.08592.08613.55201.8664

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 120.755
C2 C1 H5 120.755 H4 C1 H5 118.491
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.230      
2 C -0.187      
3 S 0.135      
4 H 0.141      
5 H 0.141      


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 -1.048 1.048
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.234 0.000 0.000
y 0.000 -23.371 0.000
z 0.000 0.000 -21.522
Traceless
 xyz
x -4.788 0.000 0.000
y 0.000 1.007 0.000
z 0.000 0.000 3.780
Polar
3z2-r27.561
x2-y2-3.864
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.318 0.000 0.000
y 0.000 4.498 0.000
z 0.000 0.000 11.408


<r2> (average value of r2) Å2
<r2> 67.059
(<r2>)1/2 8.189