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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: M06-2X/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at M06-2X/cc-pVTZ
 hartrees
Energy at 0K-476.776504
Energy at 298.15K-476.780989
HF Energy-476.776504
Nuclear repulsion energy101.660539
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 M06-2X/cc-pVTZ
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 3141 3000 9.94      
2 A1 1501 1433 2.54      
3 A1 1161 1109 1.58      
4 A1 1049 1002 1.07      
5 A1 660 630 23.37      
6 A2 3225 3080 0.00      
7 A2 1194 1140 0.00      
8 A2 903 862 0.00      
9 B1 3238 3092 1.50      
10 B1 965 921 3.70      
11 B1 830 792 0.54      
12 B2 3140 2999 8.26      
13 B2 1474 1408 0.81      
14 B2 1080 1031 26.36      
15 B2 728 695 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 12142.9 cm-1
Scaled (by 0.9551) Zero Point Vibrational Energy (zpe) 11597.7 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 M06-2X/cc-pVTZ
ABC
0.74102 0.36445 0.27065

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.860
C2 0.000 0.739 -0.791
C3 0.000 -0.739 -0.791
H4 -0.912 1.250 -1.065
H5 0.912 1.250 -1.065
H6 0.912 -1.250 -1.065
H7 -0.912 -1.250 -1.065

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.80851.80852.46932.46932.46932.4693
C21.80851.47781.08081.08082.20502.2050
C31.80851.47782.20502.20501.08081.0808
H42.46931.08082.20501.82443.09462.4996
H52.46931.08082.20501.82442.49963.0946
H62.46932.20501.08083.09462.49961.8244
H72.46932.20501.08082.49963.09461.8244

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.886 S1 C2 H4 115.105
S1 C2 H5 115.105 S1 C3 C2 65.886
S1 C3 H6 115.105 S1 C3 H7 115.105
C2 S1 C3 48.228 C2 C3 H6 118.213
C2 C3 H7 118.213 C3 C2 H4 118.213
C3 C2 H5 118.213 H4 C2 H5 115.135
H6 C3 H7 115.135
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.119      
2 C -0.228      
3 C -0.228      
4 H 0.144      
5 H 0.144      
6 H 0.144      
7 H 0.144      


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 -1.895 1.895
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.127 0.000 0.000
y 0.000 -24.529 0.000
z 0.000 0.000 -26.368
Traceless
 xyz
x -0.678 0.000 0.000
y 0.000 1.719 0.000
z 0.000 0.000 -1.040
Polar
3z2-r2-2.081
x2-y2-1.598
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.605 0.000 0.000
y 0.000 5.657 0.000
z 0.000 0.000 7.083


<r2> (average value of r2) Å2
<r2> 56.016
(<r2>)1/2 7.484