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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: HF/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/cc-pVDZ
 hartrees
Energy at 0K-474.381667
Energy at 298.15K 
HF Energy-474.381667
Nuclear repulsion energy78.940608
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 HF/cc-pVDZ
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 3315 3010 23.82 155.61 0.12 0.21
2 A1 1948 1769 530.75 34.42 0.21 0.35
3 A1 1476 1340 2.65 17.82 0.52 0.68
4 A1 907 823 41.19 33.87 0.29 0.45
5 B1 858 779 88.06 4.19 0.75 0.86
6 B1 457 415 2.53 1.40 0.75 0.86
7 B2 3417 3103 3.92 101.23 0.75 0.86
8 B2 1011 918 0.01 0.99 0.75 0.86
9 B2 392 356 0.62 1.14 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6890.2 cm-1
Scaled (by 0.908) Zero Point Vibrational Energy (zpe) 6256.3 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 HF/cc-pVDZ
ABC
9.53277 0.18947 0.18578

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.751
C2 0.000 0.000 -0.450
S3 0.000 0.000 1.112
H4 0.000 0.937 -2.292
H5 0.000 -0.937 -2.292

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.30102.86271.08171.0817
C21.30101.56172.06652.0665
S32.86271.56173.53023.5302
H41.08172.06653.53021.8733
H51.08172.06653.53021.8733

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 120.012
C2 C1 H5 120.012 H4 C1 H5 119.977
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.083      
2 C -0.032      
3 S -0.086      
4 H 0.101      
5 H 0.101      


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 -1.576 1.576
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.734 0.000 0.000
y 0.000 -23.620 0.000
z 0.000 0.000 -21.592
Traceless
 xyz
x -5.128 0.000 0.000
y 0.000 1.043 0.000
z 0.000 0.000 4.085
Polar
3z2-r28.170
x2-y2-4.114
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.424 0.000 0.000
y 0.000 3.121 0.000
z 0.000 0.000 10.466


<r2> (average value of r2) Å2
<r2> 66.834
(<r2>)1/2 8.175