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: M06-2X/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-475.546679
Energy at 298.15K 
HF Energy-475.546679
Nuclear repulsion energy79.130350
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 M06-2X/aug-cc-pVTZ
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 3037 36.77 188.75 0.10 0.18
2 A1 1849 1767 465.21 24.73 0.25 0.40
3 A1 1373 1312 0.13 16.40 0.59 0.74
4 A1 877 838 17.72 39.33 0.13 0.23
5 B1 746 713 77.40 4.93 0.75 0.86
6 B1 437 418 8.10 0.21 0.75 0.86
7 B2 3263 3118 6.90 87.32 0.75 0.86
8 B2 927 886 0.47 0.12 0.75 0.86
9 B2 364 348 2.63 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6507.0 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 6218.8 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 M06-2X/aug-cc-pVTZ
ABC
9.59961 0.19032 0.18662

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.747
C2 0.000 0.000 -0.445
S3 0.000 0.000 1.109
H4 0.000 0.933 -2.293
H5 0.000 -0.933 -2.293

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30202.85621.08111.0811
C21.30201.55422.06992.0699
S32.85621.55423.52743.5274
H41.08112.06993.52741.8668
H51.08112.06993.52741.8668

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 120.300
C2 C1 H5 120.300 H4 C1 H5 119.400
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.736      
2 C 0.448      
3 S -0.273      
4 H 0.281      
5 H 0.281      


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 -1.071 1.071
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.627 0.000 0.000
y 0.000 -23.620 0.000
z 0.000 0.000 -21.555
Traceless
 xyz
x -5.040 0.000 0.000
y 0.000 0.971 0.000
z 0.000 0.000 4.069
Polar
3z2-r28.138
x2-y2-4.008
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.009 0.000 0.000
y 0.000 4.941 0.000
z 0.000 0.000 11.418


<r2> (average value of r2) Å2
<r2> 66.595
(<r2>)1/2 8.161