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: B3LYP/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-311G*
 hartrees
Energy at 0K-475.598510
Energy at 298.15K 
HF Energy-475.598510
Nuclear repulsion energy78.686684
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 B3LYP/6-311G*
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 3139 3033 18.45 180.46 0.15 0.26
2 A1 1827 1765 401.69 9.87 0.11 0.19
3 A1 1387 1340 0.79 16.68 0.54 0.71
4 A1 856 827 17.34 30.51 0.29 0.45
5 B1 704 681 93.95 1.61 0.75 0.86
6 B1 415 401 5.18 0.60 0.75 0.86
7 B2 3216 3107 1.46 110.51 0.75 0.86
8 B2 945 913 0.07 0.98 0.75 0.86
9 B2 361 349 3.18 0.52 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6424.7 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 6208.2 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 B3LYP/6-311G*
ABC
9.64124 0.18808 0.18448

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-311G*

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 -0.450
S3 0.000 0.000 1.116
H4 0.000 0.931 -2.312
H5 0.000 -0.931 -2.312

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30572.87131.08501.0850
C21.30571.56552.08222.0822
S32.87131.56553.55203.5520
H41.08502.08223.55201.8627
H51.08502.08223.55201.8627

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 120.858
C2 C1 H5 120.858 H4 C1 H5 118.283
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.535      
2 C -0.037      
3 S 0.070      
4 H 0.250      
5 H 0.250      


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 -1.207 1.207
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.801 0.000 0.000
y 0.000 -23.558 0.000
z 0.000 0.000 -21.629
Traceless
 xyz
x -5.208 0.000 0.000
y 0.000 1.157 0.000
z 0.000 0.000 4.051
Polar
3z2-r28.101
x2-y2-4.243
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.613 0.000 0.000
y 0.000 3.164 0.000
z 0.000 0.000 10.815


<r2> (average value of r2) Å2
<r2> 67.244
(<r2>)1/2 8.200