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All results from a given calculation for H2CS (Thioformaldehyde)

using model chemistry: B3LYP/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 B3LYP/3-21G*
 hartrees
Energy at 0K-435.396780
Energy at 298.15K-435.398172
HF Energy-435.396780
Nuclear repulsion energy44.652092
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 B3LYP/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 3080 2963 24.39      
2 A1 1553 1494 5.48      
3 A1 1097 1055 16.03      
4 B1 1048 1008 61.60      
5 B2 3158 3038 10.97      
6 B2 1041 1002 7.05      

Unscaled Zero Point Vibrational Energy (zpe) 5488.0 cm-1
Scaled (by 0.962) Zero Point Vibrational Energy (zpe) 5279.5 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 B3LYP/3-21G*
ABC
9.86489 0.58655 0.55363

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G*

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 -1.028
H3 0.000 0.921 -1.614
H4 0.000 -0.921 -1.614

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.61552.38572.3857
C21.61551.09111.0911
H32.38571.09111.8415
H42.38571.09111.8415

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 122.447 S1 C2 H4 122.447
H3 C2 H4 115.107
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.034      
2 C -0.484      
3 H 0.225      
4 H 0.225      


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 -1.757 1.757
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.566 0.000 0.000
y 0.000 -20.220 0.000
z 0.000 0.000 -17.145
Traceless
 xyz
x -0.883 0.000 0.000
y 0.000 -1.865 0.000
z 0.000 0.000 2.748
Polar
3z2-r25.497
x2-y20.654
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.712 0.000 0.000
y 0.000 2.542 0.000
z 0.000 0.000 5.608


<r2> (average value of r2) Å2
<r2> 30.617
(<r2>)1/2 5.533