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All results from a given calculation for H2CS (Thioformaldehyde)

using model chemistry: PBE1PBE/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 PBE1PBE/3-21G
 hartrees
Energy at 0K-435.186156
Energy at 298.15K 
HF Energy-435.186156
Nuclear repulsion energy44.791349
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/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 3098 2976 21.49      
2 A1 1550 1489 4.50      
3 A1 1124 1079 16.69      
4 B1 1057 1015 69.91      
5 B2 3182 3056 7.77      
6 B2 1045 1004 8.04      

Unscaled Zero Point Vibrational Energy (zpe) 5528.4 cm-1
Scaled (by 0.9604) Zero Point Vibrational Energy (zpe) 5309.5 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/3-21G
ABC
9.83010 0.59105 0.55753

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/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 0.922 -1.608
H4 0.000 -0.922 -1.608

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.60912.37932.3793
C21.60911.09181.0918
H32.37931.09181.8448
H42.37931.09181.8448

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 122.347 S1 C2 H4 122.347
H3 C2 H4 115.306
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.046      
2 C -0.546      
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 -1.786 1.786
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.649 0.000 0.000
y 0.000 -20.204 0.000
z 0.000 0.000 -17.097
Traceless
 xyz
x -0.999 0.000 0.000
y 0.000 -1.831 0.000
z 0.000 0.000 2.830
Polar
3z2-r25.659
x2-y20.555
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.718 0.000 0.000
y 0.000 2.543 0.000
z 0.000 0.000 5.619


<r2> (average value of r2) Å2
<r2> 30.500
(<r2>)1/2 5.523