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All results from a given calculation for H2CS (Thioformaldehyde)

using model chemistry: mPW1PW91/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/3-21G*
 hartrees
Energy at 0K-435.383101
Energy at 298.15K-435.384498
HF Energy-435.383101
Nuclear repulsion energy44.809411
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 mPW1PW91/3-21G*
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 3105 2948 21.98      
2 A1 1555 1477 4.47      
3 A1 1122 1066 16.73      
4 B1 1059 1006 69.83      
5 B2 3188 3028 8.00      
6 B2 1048 995 7.99      

Unscaled Zero Point Vibrational Energy (zpe) 5539.0 cm-1
Scaled (by 0.9496) Zero Point Vibrational Energy (zpe) 5259.8 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 mPW1PW91/3-21G*
ABC
9.86000 0.59134 0.55788

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/3-21G*

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 -1.024
H3 0.000 0.921 -1.608
H4 0.000 -0.921 -1.608

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.60882.37812.3781
C21.60881.09041.0904
H32.37811.09041.8420
H42.37811.09041.8420

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 122.366 S1 C2 H4 122.366
H3 C2 H4 115.268
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.044      
2 C -0.543      
3 H 0.250      
4 H 0.250      


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 -1.792 1.792
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.615 0.000 0.000
y 0.000 -20.172 0.000
z 0.000 0.000 -17.056
Traceless
 xyz
x -1.001 0.000 0.000
y 0.000 -1.836 0.000
z 0.000 0.000 2.838
Polar
3z2-r25.675
x2-y20.557
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.717 0.000 0.000
y 0.000 2.534 0.000
z 0.000 0.000 5.617


<r2> (average value of r2) Å2
<r2> 30.463
(<r2>)1/2 5.519