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/LANL2DZ

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/LANL2DZ
 hartrees
Energy at 0K-87.447747
Energy at 298.15K 
HF Energy-87.447747
Nuclear repulsion energy43.587358
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/LANL2DZ
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 3158 3035 24.59 177.49 0.12 0.21
2 A1 1805 1735 328.86 8.67 0.14 0.24
3 A1 1394 1340 7.24 17.31 0.54 0.70
4 A1 799 768 17.77 27.97 0.39 0.56
5 B1 819 787 141.47 4.45 0.75 0.86
6 B1 399 383 10.10 0.02 0.75 0.86
7 B2 3256 3129 0.21 101.85 0.75 0.86
8 B2 953 916 0.75 1.17 0.75 0.86
9 B2 354 340 6.11 1.42 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6467.6 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 6216.6 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/LANL2DZ
ABC
9.60099 0.17959 0.17629

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.794
C2 0.000 0.000 -0.471
S3 0.000 0.000 1.143
H4 0.000 0.933 -2.353
H5 0.000 -0.933 -2.353

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.32222.93711.08821.0882
C21.32221.61482.10062.1006
S32.93711.61483.61913.6191
H41.08822.10063.61911.8667
H51.08822.10063.61911.8667

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 120.945
C2 C1 H5 120.945 H4 C1 H5 118.110
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.467      
2 C -0.131      
3 S 0.099      
4 H 0.249      
5 H 0.249      


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 -1.565 1.565
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.035 0.000 0.000
y 0.000 -22.673 0.000
z 0.000 0.000 -21.099
Traceless
 xyz
x -5.149 0.000 0.000
y 0.000 1.393 0.000
z 0.000 0.000 3.755
Polar
3z2-r27.510
x2-y2-4.361
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.962 0.000 0.000
y 0.000 2.673 0.000
z 0.000 0.000 10.543


<r2> (average value of r2) Å2
<r2> 56.039
(<r2>)1/2 7.486