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All results from a given calculation for H2CS (Thioformaldehyde)

using model chemistry: LSDA/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 LSDA/3-21G
 hartrees
Energy at 0K-434.001292
Energy at 298.15K-434.002656
HF Energy-434.001292
Nuclear repulsion energy43.822653
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 LSDA/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 3025 2975 10.78      
2 A1 1477 1452 2.36      
3 A1 1023 1006 11.73      
4 B1 1000 984 84.66      
5 B2 3124 3072 6.32      
6 B2 999 983 10.25      

Unscaled Zero Point Vibrational Energy (zpe) 5323.7 cm-1
Scaled (by 0.9836) Zero Point Vibrational Energy (zpe) 5236.4 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 LSDA/3-21G
ABC
9.55742 0.56389 0.53247

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.599
C2 0.000 0.000 -1.053
H3 0.000 0.935 -1.631
H4 0.000 -0.935 -1.631

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.65152.41762.4176
C21.65151.09951.0995
H32.41761.09951.8709
H42.41761.09951.8709

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 121.698 S1 C2 H4 121.698
H3 C2 H4 116.603
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.192      
2 C -0.715      
3 H 0.261      
4 H 0.261      


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 -1.943 1.943
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.730 0.000 0.000
y 0.000 -20.169 0.000
z 0.000 0.000 -17.591
Traceless
 xyz
x -0.850 0.000 0.000
y 0.000 -1.508 0.000
z 0.000 0.000 2.358
Polar
3z2-r24.717
x2-y20.439
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.564 0.000 0.000
y 0.000 2.293 0.000
z 0.000 0.000 5.639


<r2> (average value of r2) Å2
<r2> 31.422
(<r2>)1/2 5.606