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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: wB97X-D/aug-cc-pVQZ

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/aug-cc-pVQZ
 hartrees
Energy at 0K-476.812915
Energy at 298.15K-476.817390
HF Energy-476.812915
Nuclear repulsion energy101.549733
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/aug-cc-pVQZ
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 3153 3153 14.53      
2 A1 1509 1509 1.96      
3 A1 1151 1151 1.28      
4 A1 1052 1052 1.03      
5 A1 648 648 26.42      
6 A2 3235 3235 0.00      
7 A2 1208 1208 0.00      
8 A2 902 902 0.00      
9 B1 3249 3249 2.53      
10 B1 959 959 3.05      
11 B1 857 857 0.69      
12 B2 3151 3151 10.59      
13 B2 1482 1482 1.73      
14 B2 1089 1089 22.63      
15 B2 703 703 0.69      

Unscaled Zero Point Vibrational Energy (zpe) 12173.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12173.5 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 wB97X-D/aug-cc-pVQZ
ABC
0.74276 0.36259 0.26982

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/aug-cc-pVQZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.862
C2 0.000 0.738 -0.793
C3 0.000 -0.738 -0.793
H4 -0.912 1.247 -1.069
H5 0.912 1.247 -1.069
H6 0.912 -1.247 -1.069
H7 -0.912 -1.247 -1.069

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.81151.81152.47342.47342.47342.4734
C21.81151.47581.08101.08102.20232.2023
C31.81151.47582.20232.20231.08101.0810
H42.47341.08102.20231.82473.09092.4948
H52.47341.08102.20231.82472.49483.0909
H62.47342.20231.08103.09092.49481.8247
H72.47342.20231.08102.49483.09091.8247

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.963 S1 C2 H4 115.196
S1 C2 H5 115.196 S1 C3 C2 65.963
S1 C3 H6 115.196 S1 C3 H7 115.196
C2 S1 C3 48.074 C2 C3 H6 118.120
C2 C3 H7 118.120 C3 C2 H4 118.120
C3 C2 H5 118.120 H4 C2 H5 115.133
H6 C3 H7 115.133
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.214      
2 C -0.350      
3 C -0.350      
4 H 0.122      
5 H 0.122      
6 H 0.122      
7 H 0.122      


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 -1.973 1.973
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.093 0.000 0.000
y 0.000 -24.343 0.000
z 0.000 0.000 -26.251
Traceless
 xyz
x -0.795 0.000 0.000
y 0.000 1.829 0.000
z 0.000 0.000 -1.033
Polar
3z2-r2-2.067
x2-y2-1.749
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.762 0.000 0.000
y 0.000 6.255 0.000
z 0.000 0.000 7.689


<r2> (average value of r2) Å2
<r2> 56.049
(<r2>)1/2 7.487