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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/6-31G**

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/6-31G**
 hartrees
Energy at 0K-476.743388
Energy at 298.15K-476.747864
HF Energy-476.743388
Nuclear repulsion energy101.048902
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/6-31G**
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 3173 3173 11.53      
2 A1 1526 1526 4.16      
3 A1 1163 1163 2.80      
4 A1 1064 1064 0.69      
5 A1 658 658 28.33      
6 A2 3259 3259 0.00      
7 A2 1210 1210 0.00      
8 A2 914 914 0.00      
9 B1 3272 3272 5.46      
10 B1 973 973 4.66      
11 B1 859 859 0.71      
12 B2 3170 3170 12.99      
13 B2 1493 1493 0.88      
14 B2 1097 1097 35.56      
15 B2 698 698 0.41      

Unscaled Zero Point Vibrational Energy (zpe) 12265.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12265.1 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 wB97X-D/6-31G**
ABC
0.73810 0.35820 0.26696

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.867
C2 0.000 0.740 -0.797
C3 0.000 -0.740 -0.797
H4 -0.915 1.252 -1.077
H5 0.915 1.252 -1.077
H6 0.915 -1.252 -1.077
H7 -0.915 -1.252 -1.077

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82171.82172.48732.48732.48732.4873
C21.82171.47991.08561.08562.21022.2102
C31.82171.47992.21022.21021.08561.0856
H42.48731.08562.21021.83063.10222.5046
H52.48731.08562.21021.83062.50463.1022
H62.48732.21021.08563.10222.50461.8306
H72.48732.21021.08562.50463.10221.8306

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.035 S1 C2 H4 115.287
S1 C2 H5 115.287 S1 C3 C2 66.035
S1 C3 H6 115.287 S1 C3 H7 115.287
C2 S1 C3 47.930 C2 C3 H6 118.161
C2 C3 H7 118.161 C3 C2 H4 118.161
C3 C2 H5 118.161 H4 C2 H5 114.944
H6 C3 H7 114.944
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.008      
2 C -0.344      
3 C -0.344      
4 H 0.174      
5 H 0.174      
6 H 0.174      
7 H 0.174      


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 -2.165 2.165
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.857 0.000 0.000
y 0.000 -23.972 0.000
z 0.000 0.000 -26.020
Traceless
 xyz
x -0.861 0.000 0.000
y 0.000 1.967 0.000
z 0.000 0.000 -1.105
Polar
3z2-r2-2.211
x2-y2-1.885
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.091 0.000 0.000
y 0.000 4.909 0.000
z 0.000 0.000 6.303


<r2> (average value of r2) Å2
<r2> 56.291
(<r2>)1/2 7.503