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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: B97D3/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B97D3/daug-cc-pVDZ
 hartrees
Energy at 0K-476.762943
Energy at 298.15K-476.767327
HF Energy-476.762943
Nuclear repulsion energy100.121235
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 B97D3/daug-cc-pVDZ
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 3067 3067 22.84      
2 A1 1452 1452 3.37      
3 A1 1128 1128 1.86      
4 A1 1006 1006 0.37      
5 A1 616 616 24.06      
6 A2 3155 3155 0.00      
7 A2 1159 1159 0.00      
8 A2 873 873 0.00      
9 B1 3170 3170 9.61      
10 B1 930 930 3.64      
11 B1 811 811 0.30      
12 B2 3067 3067 19.84      
13 B2 1428 1428 0.31      
14 B2 1024 1024 21.39      
15 B2 651 651 0.16      

Unscaled Zero Point Vibrational Energy (zpe) 11767.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11767.5 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 B97D3/daug-cc-pVDZ
ABC
0.72869 0.35027 0.26181

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.877
C2 0.000 0.744 -0.809
C3 0.000 -0.744 -0.809
H4 -0.923 1.263 -1.081
H5 0.923 1.263 -1.081
H6 0.923 -1.263 -1.081
H7 -0.923 -1.263 -1.081

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.84241.84242.50602.50602.50602.5060
C21.84241.48711.09371.09372.22532.2253
C31.84241.48712.22532.22531.09371.0937
H42.50601.09372.22531.84653.12872.5256
H52.50601.09372.22531.84652.52563.1287
H62.50602.22531.09373.12872.52561.8465
H72.50602.22531.09372.52563.12871.8465

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.198 S1 C2 H4 114.787
S1 C2 H5 114.787 S1 C3 C2 66.198
S1 C3 H6 114.787 S1 C3 H7 114.787
C2 S1 C3 47.604 C2 C3 H6 118.346
C2 C3 H7 118.346 C3 C2 H4 118.346
C3 C2 H5 118.346 H4 C2 H5 115.172
H6 C3 H7 115.172
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.183      
2 C 1.649      
3 C 1.649      
4 H -0.779      
5 H -0.779      
6 H -0.779      
7 H -0.779      


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 -1.987 1.987
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.453 0.000 0.000
y 0.000 -24.615 0.000
z 0.000 0.000 -26.451
Traceless
 xyz
x -0.920 0.000 0.000
y 0.000 1.837 0.000
z 0.000 0.000 -0.917
Polar
3z2-r2-1.834
x2-y2-1.838
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.140 0.000 0.000
y 0.000 6.594 0.000
z 0.000 0.000 8.147


<r2> (average value of r2) Å2
<r2> 57.389
(<r2>)1/2 7.576