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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/6-311+G(3df,2p)

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/6-311+G(3df,2p)
 hartrees
Energy at 0K-476.797277
Energy at 298.15K-476.801752
HF Energy-476.797277
Nuclear repulsion energy101.593887
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/6-311+G(3df,2p)
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 3146 3146 14.78      
2 A1 1508 1508 2.09      
3 A1 1150 1150 1.25      
4 A1 1052 1052 1.01      
5 A1 649 649 26.25      
6 A2 3227 3227 0.00      
7 A2 1205 1205 0.00      
8 A2 902 902 0.00      
9 B1 3242 3242 2.57      
10 B1 961 961 3.06      
11 B1 852 852 0.67      
12 B2 3143 3143 10.75      
13 B2 1479 1479 1.64      
14 B2 1089 1089 22.88      
15 B2 705 705 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 12154.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12154.6 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/6-311+G(3df,2p)
ABC
0.74189 0.36344 0.27020

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.861
C2 0.000 0.738 -0.791
C3 0.000 -0.738 -0.791
H4 -0.913 1.248 -1.069
H5 0.913 1.248 -1.069
H6 0.913 -1.248 -1.069
H7 -0.913 -1.248 -1.069

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.80951.80952.47312.47312.47312.4731
C21.80951.47681.08181.08182.20372.2037
C31.80951.47682.20372.20371.08181.0818
H42.47311.08182.20371.82553.09232.4960
H52.47311.08182.20371.82552.49603.0923
H62.47312.20371.08183.09232.49601.8255
H72.47312.20371.08182.49603.09231.8255

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.916 S1 C2 H4 115.283
S1 C2 H5 115.283 S1 C3 C2 65.916
S1 C3 H6 115.283 S1 C3 H7 115.283
C2 S1 C3 48.168 C2 C3 H6 118.103
C2 C3 H7 118.103 C3 C2 H4 118.103
C3 C2 H5 118.103 H4 C2 H5 115.078
H6 C3 H7 115.078
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.204      
2 C -0.227      
3 C -0.227      
4 H 0.165      
5 H 0.165      
6 H 0.165      
7 H 0.165      


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 -1.929 1.929
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.186 0.000 0.000
y 0.000 -24.352 0.000
z 0.000 0.000 -26.260
Traceless
 xyz
x -0.880 0.000 0.000
y 0.000 1.871 0.000
z 0.000 0.000 -0.991
Polar
3z2-r2-1.982
x2-y2-1.834
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.600 0.000 0.000
y 0.000 6.052 0.000
z 0.000 0.000 7.480


<r2> (average value of r2) Å2
<r2> 56.035
(<r2>)1/2 7.486