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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-435.284999
Energy at 298.15K-435.286373
HF Energy-435.284999
Nuclear repulsion energy43.762091
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 3115 3006 13.44      
2 A1 1535 1481 3.08      
3 A1 1012 976 13.43      
4 B1 1032 995 74.87      
5 B2 3212 3099 8.44      
6 B2 1023 987 6.34      

Unscaled Zero Point Vibrational Energy (zpe) 5464.1 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 5272.3 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
9.76504 0.56008 0.52970

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 0.601
C2 0.000 0.000 -1.058
H3 0.000 0.925 -1.630
H4 0.000 -0.925 -1.630

Atom - Atom Distances (Å)
  S1 C2 H3 H4
S11.65882.41462.4146
C21.65881.08761.0876
H32.41461.08761.8509
H42.41461.08761.8509

picture of Thioformaldehyde state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 H3 121.689 S1 C2 H4 121.689
H3 C2 H4 116.622
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 0.178      
2 C -0.663      
3 H 0.242      
4 H 0.242      


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 -2.011 2.011
CHELPG        
AIM        
ESP 0.000 0.000 -2.026 2.026


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.746 0.000 0.000
y 0.000 -20.258 0.000
z 0.000 0.000 -17.622
Traceless
 xyz
x -0.806 0.000 0.000
y 0.000 -1.574 0.000
z 0.000 0.000 2.380
Polar
3z2-r24.759
x2-y20.512
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.527 0.000 0.000
y 0.000 2.226 0.000
z 0.000 0.000 5.716


<r2> (average value of r2) Å2
<r2> 31.512
(<r2>)1/2 5.614