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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-475.539210
Energy at 298.15K 
HF Energy-475.539210
Nuclear repulsion energy78.788900
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 mPW1PW91/6-31+G**
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 3192 3038 28.55 187.07 0.13 0.23
2 A1 1854 1765 431.17 22.90 0.20 0.33
3 A1 1381 1315 0.84 16.18 0.62 0.77
4 A1 874 832 17.14 32.91 0.21 0.35
5 B1 731 695 107.57 5.75 0.75 0.86
6 B1 429 408 7.15 0.03 0.75 0.86
7 B2 3281 3123 6.08 100.90 0.75 0.86
8 B2 937 892 0.06 0.30 0.75 0.86
9 B2 362 344 3.12 0.28 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6520.1 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 6205.9 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 mPW1PW91/6-31+G**
ABC
9.58528 0.18859 0.18495

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

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 -0.446
S3 0.000 0.000 1.114
H4 0.000 0.934 -2.306
H5 0.000 -0.934 -2.306

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30912.86911.08451.0845
C21.30911.56002.08152.0815
S32.86911.56003.54543.5454
H41.08452.08153.54541.8682
H51.08452.08153.54541.8682

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 120.539
C2 C1 H5 120.539 H4 C1 H5 118.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.033      
2 C -0.128      
3 S -0.307      
4 H 0.202      
5 H 0.202      


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 -1.233 1.233
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.674 0.000 0.000
y 0.000 -23.287 0.000
z 0.000 0.000 -21.656
Traceless
 xyz
x -5.203 0.000 0.000
y 0.000 1.379 0.000
z 0.000 0.000 3.824
Polar
3z2-r27.649
x2-y2-4.388
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.610 0.000 0.000
y 0.000 3.520 0.000
z 0.000 0.000 11.306


<r2> (average value of r2) Å2
<r2> 67.032
(<r2>)1/2 8.187