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All results from a given calculation for H2CS (Thioformaldehyde)

using model chemistry: B3PW91/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/STO-3G
 hartrees
Energy at 0K-432.512547
Energy at 298.15K-432.513910
HF Energy-432.512547
Nuclear repulsion energy44.710116
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 B3PW91/STO-3G
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 3281 2904 0.00      
2 A1 1692 1497 3.50      
3 A1 1224 1084 6.55      
4 B1 1029 911 21.43      
5 B2 3411 3019 13.61      
6 B2 1108 980 0.14      

Unscaled Zero Point Vibrational Energy (zpe) 5872.7 cm-1
Scaled (by 0.885) Zero Point Vibrational Energy (zpe) 5197.4 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 B3PW91/STO-3G
ABC
9.93661 0.58875 0.55582

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.587
C2 0.000 0.000 -1.018
H3 0.000 0.917 -1.638
H4 0.000 -0.917 -1.638

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.60512.40652.4065
C21.60511.10711.1071
H32.40651.10711.8349
H42.40651.10711.8349

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 124.035 S1 C2 H4 124.035
H3 C2 H4 111.930
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.115      
2 C -0.263      
3 H 0.074      
4 H 0.074      


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 -0.703 0.703
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -16.444 0.000 0.000
y 0.000 -17.342 0.000
z 0.000 0.000 -16.507
Traceless
 xyz
x 0.480 0.000 0.000
y 0.000 -0.867 0.000
z 0.000 0.000 0.386
Polar
3z2-r20.773
x2-y20.898
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.711 0.000 0.000
y 0.000 0.896 0.000
z 0.000 0.000 3.125


<r2> (average value of r2) Å2
<r2> 29.251
(<r2>)1/2 5.408