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All results from a given calculation for H2CS (Thioformaldehyde)

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-437.252251
Energy at 298.15K-437.253641
HF Energy-437.252251
Nuclear repulsion energy44.756228
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 PBE1PBE/6-31G**
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 3117 2971 26.96      
2 A1 1528 1456 7.75      
3 A1 1118 1066 15.66      
4 B1 1039 990 52.37      
5 B2 3206 3056 7.60      
6 B2 1025 977 7.14      

Unscaled Zero Point Vibrational Energy (zpe) 5516.7 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 5257.9 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 PBE1PBE/6-31G**
ABC
9.78899 0.59029 0.55672

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.585
C2 0.000 0.000 -1.025
H3 0.000 0.924 -1.608
H4 0.000 -0.924 -1.608

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.61052.38012.3801
C21.61051.09271.0927
H32.38011.09271.8486
H42.38011.09271.8486

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 122.230 S1 C2 H4 122.230
H3 C2 H4 115.540
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.017      
2 C -0.418      
3 H 0.217      
4 H 0.217      


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 -1.914 1.914
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.470 0.000 0.000
y 0.000 -20.133 0.000
z 0.000 0.000 -16.973
Traceless
 xyz
x -0.917 0.000 0.000
y 0.000 -1.912 0.000
z 0.000 0.000 2.829
Polar
3z2-r25.657
x2-y20.663
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.945 0.000 0.000
y 0.000 2.797 0.000
z 0.000 0.000 5.847


<r2> (average value of r2) Å2
<r2> 30.446
(<r2>)1/2 5.518