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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: B2PLYP/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-472.876324
Energy at 298.15K 
HF Energy-472.791646
Nuclear repulsion energy77.307230
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 B2PLYP/3-21G
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 3177 3177 28.92 167.81 0.13 0.22
2 A1 1827 1827 270.87 1.72 0.07 0.13
3 A1 1453 1453 3.15 25.41 0.54 0.70
4 A1 793 793 12.57 27.30 0.34 0.50
5 B1 811 811 111.26 0.46 0.75 0.86
6 B1 423 423 4.51 1.38 0.75 0.86
7 B2 3253 3253 3.92 112.11 0.75 0.86
8 B2 988 988 0.78 2.12 0.75 0.86
9 B2 359 359 3.41 0.64 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6541.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6541.3 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 B2PLYP/3-21G
ABC
9.69311 0.18122 0.17789

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.782
C2 0.000 0.000 -0.477
S3 0.000 0.000 1.140
H4 0.000 0.929 -2.341
H5 0.000 -0.929 -2.341

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30492.92131.08441.0844
C21.30491.61642.08302.0830
S32.92131.61643.60263.6026
H41.08442.08303.60261.8578
H51.08442.08303.60261.8578

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 121.065
C2 C1 H5 121.065 H4 C1 H5 117.871
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.564      
2 C -0.266      
3 S 0.339      
4 H 0.245      
5 H 0.245      


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 -1.668 1.668
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.741 0.000 0.000
y 0.000 -23.666 0.000
z 0.000 0.000 -21.893
Traceless
 xyz
x -4.962 0.000 0.000
y 0.000 1.151 0.000
z 0.000 0.000 3.811
Polar
3z2-r27.622
x2-y2-4.075
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.721 0.000 0.000
y 0.000 2.809 0.000
z 0.000 0.000 9.983


<r2> (average value of r2) Å2
<r2> 69.132
(<r2>)1/2 8.315