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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/6-311G*
 hartrees
Energy at 0K-476.777716
Energy at 298.15K-476.782189
HF Energy-476.777716
Nuclear repulsion energy101.082510
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 wB97X-D/6-311G*
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 3152 3152 17.05      
2 A1 1525 1525 3.40      
3 A1 1161 1161 3.57      
4 A1 1061 1061 0.39      
5 A1 651 651 30.54      
6 A2 3235 3235 0.00      
7 A2 1213 1213 0.00      
8 A2 920 920 0.00      
9 B1 3250 3250 9.75      
10 B1 978 978 9.91      
11 B1 863 863 0.71      
12 B2 3148 3148 17.44      
13 B2 1491 1491 1.67      
14 B2 1094 1094 46.11      
15 B2 687 687 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 12213.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12213.0 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 wB97X-D/6-311G*
ABC
0.74017 0.35789 0.26700

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.868
C2 0.000 0.739 -0.798
C3 0.000 -0.739 -0.798
H4 -0.914 1.251 -1.075
H5 0.914 1.251 -1.075
H6 0.914 -1.251 -1.075
H7 -0.914 -1.251 -1.075

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82251.82252.48532.48532.48532.4853
C21.82251.47731.08421.08422.20732.2073
C31.82251.47732.20732.20731.08421.0842
H42.48531.08422.20731.82883.09942.5024
H52.48531.08422.20731.82882.50243.0994
H62.48532.20731.08423.09942.50241.8288
H72.48532.20731.08422.50243.09941.8288

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.091 S1 C2 H4 115.151
S1 C2 H5 115.151 S1 C3 C2 66.091
S1 C3 H6 115.151 S1 C3 H7 115.151
C2 S1 C3 47.818 C2 C3 H6 118.214
C2 C3 H7 118.214 C3 C2 H4 118.214
C3 C2 H5 118.214 H4 C2 H5 115.000
H6 C3 H7 115.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.021      
2 C -0.532      
3 C -0.532      
4 H 0.261      
5 H 0.261      
6 H 0.261      
7 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 -2.176 2.176
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.360 0.000 0.000
y 0.000 -24.465 0.000
z 0.000 0.000 -26.524
Traceless
 xyz
x -0.866 0.000 0.000
y 0.000 1.977 0.000
z 0.000 0.000 -1.112
Polar
3z2-r2-2.224
x2-y2-1.895
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.988 0.000 0.000
y 0.000 5.102 0.000
z 0.000 0.000 6.719


<r2> (average value of r2) Å2
<r2> 56.578
(<r2>)1/2 7.522