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 H2CS (Thioformaldehyde)

using model chemistry: wB97X-D/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 wB97X-D/cc-pVTZ
 hartrees
Energy at 0K-437.474119
Energy at 298.15K-437.475511
HF Energy-437.474119
Nuclear repulsion energy44.973453
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 wB97X-D/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 3090 2954 27.47      
2 A1 1501 1435 2.90      
3 A1 1118 1068 15.22      
4 B1 1047 1001 41.89      
5 B2 3179 3039 5.33      
6 B2 1008 964 2.14      

Unscaled Zero Point Vibrational Energy (zpe) 5471.3 cm-1
Scaled (by 0.956) Zero Point Vibrational Energy (zpe) 5230.6 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 wB97X-D/cc-pVTZ
ABC
9.84324 0.59631 0.56225

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.582
C2 0.000 0.000 -1.020
H3 0.000 0.922 -1.598
H4 0.000 -0.922 -1.598

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.60292.36702.3670
C21.60291.08761.0876
H32.36701.08761.8435
H42.36701.08761.8435

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 122.056 S1 C2 H4 122.056
H3 C2 H4 115.887
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.094      
2 C -0.174      
3 H 0.134      
4 H 0.134      


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 -1.817 1.817
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.565 0.000 0.000
y 0.000 -20.159 0.000
z 0.000 0.000 -17.053
Traceless
 xyz
x -0.959 0.000 0.000
y 0.000 -1.849 0.000
z 0.000 0.000 2.809
Polar
3z2-r25.617
x2-y20.593
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.756 0.000 0.000
y 0.000 3.327 0.000
z 0.000 0.000 6.367


<r2> (average value of r2) Å2
<r2> 30.301
(<r2>)1/2 5.505