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All results from a given calculation for H2CS (Thioformaldehyde)

using model chemistry: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-435.243822
Energy at 298.15K-435.245174
HF Energy-435.243822
Nuclear repulsion energy43.355596
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 BLYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3023 3006 19.48      
2 A1 1498 1490 5.13      
3 A1 967 961 11.59      
4 B1 989 983 69.04      
5 B2 3115 3098 14.26      
6 B2 994 988 6.71      

Unscaled Zero Point Vibrational Energy (zpe) 5292.2 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 5263.1 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 BLYP/3-21G
ABC
9.62664 0.54935 0.51969

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.606
C2 0.000 0.000 -1.069
H3 0.000 0.932 -1.645
H4 0.000 -0.932 -1.645

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.67512.43662.4366
C21.67511.09581.0958
H32.43661.09581.8642
H42.43661.09581.8642

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 121.721 S1 C2 H4 121.721
H3 C2 H4 116.558
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.169      
2 C -0.625      
3 H 0.228      
4 H 0.228      


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 -1.928 1.928
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.685 0.000 0.000
y 0.000 -20.278 0.000
z 0.000 0.000 -17.622
Traceless
 xyz
x -0.735 0.000 0.000
y 0.000 -1.624 0.000
z 0.000 0.000 2.359
Polar
3z2-r24.718
x2-y20.593
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.551 0.000 0.000
y 0.000 2.278 0.000
z 0.000 0.000 5.734


<r2> (average value of r2) Å2
<r2> 31.874
(<r2>)1/2 5.646