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: BLYP/aug-cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-475.579361
Energy at 298.15K 
HF Energy-475.579361
Nuclear repulsion energy78.428382
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 BLYP/aug-cc-pV(T+d)Z
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 3066 3066 20.83      
2 A1 1756 1756 372.46      
3 A1 1344 1344 1.62      
4 A1 831 831 10.79      
5 B1 671 671 74.36      
6 B1 407 407 7.55      
7 B2 3135 3135 2.77      
8 B2 910 910 0.31      
9 B2 353 353 3.02      

Unscaled Zero Point Vibrational Energy (zpe) 6235.9 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 6235.9 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 BLYP/aug-cc-pV(T+d)Z
ABC
9.59162 0.18679 0.18322

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/aug-cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.762
C2 0.000 0.000 -0.449
S3 0.000 0.000 1.119
H4 0.000 0.934 -2.322
H5 0.000 -0.934 -2.322

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31362.88171.08841.0884
C21.31361.56822.09262.0926
S32.88171.56823.56533.5653
H41.08842.09263.56531.8676
H51.08842.09263.56531.8676

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 120.913
C2 C1 H5 120.913 H4 C1 H5 118.174
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.625      
2 C 0.203      
3 S -0.108      
4 H 0.265      
5 H 0.265      


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 -1.007 1.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.713 0.000 0.000
y 0.000 -23.812 0.000
z 0.000 0.000 -22.025
Traceless
 xyz
x -4.795 0.000 0.000
y 0.000 1.057 0.000
z 0.000 0.000 3.738
Polar
3z2-r27.475
x2-y2-3.902
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.282 0.000 0.000
y 0.000 5.144 0.000
z 0.000 0.000 12.009


<r2> (average value of r2) Å2
<r2> 67.727
(<r2>)1/2 8.230