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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: B97D3/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 B97D3/aug-cc-pVQZ
 hartrees
Energy at 0K-476.806735
Energy at 298.15K-476.811137
HF Energy-476.806735
Nuclear repulsion energy100.954631
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/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 3062 3062 21.90      
2 A1 1464 1464 3.60      
3 A1 1122 1122 1.12      
4 A1 1020 1020 0.64      
5 A1 618 618 22.73      
6 A2 3140 3140 0.00      
7 A2 1171 1171 0.00      
8 A2 887 887 0.00      
9 B1 3155 3155 7.72      
10 B1 941 941 3.78      
11 B1 821 821 0.36      
12 B2 3063 3063 17.55      
13 B2 1445 1445 0.40      
14 B2 1048 1048 21.43      
15 B2 668 668 0.31      

Unscaled Zero Point Vibrational Energy (zpe) 11812.1 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11812.1 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 B97D3/aug-cc-pVQZ
ABC
0.73492 0.35804 0.26649

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.867
C2 0.000 0.742 -0.798
C3 0.000 -0.742 -0.798
H4 -0.916 1.256 -1.074
H5 0.916 1.256 -1.074
H6 0.916 -1.256 -1.074
H7 -0.916 -1.256 -1.074

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82331.82332.48712.48712.48712.4871
C21.82331.48321.08591.08592.21462.2146
C31.82331.48322.21462.21461.08591.0859
H42.48711.08592.21461.83173.10852.5115
H52.48711.08592.21461.83172.51153.1085
H62.48712.21461.08593.10852.51151.8317
H72.48712.21461.08592.51153.10851.8317

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.000 S1 C2 H4 115.133
S1 C2 H5 115.133 S1 C3 C2 66.000
S1 C3 H6 115.133 S1 C3 H7 115.133
C2 S1 C3 48.000 C2 C3 H6 118.257
C2 C3 H7 118.257 C3 C2 H4 118.257
C3 C2 H5 118.257 H4 C2 H5 114.997
H6 C3 H7 114.997
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.192      
2 C -0.774      
3 C -0.774      
4 H 0.339      
5 H 0.339      
6 H 0.339      
7 H 0.339      


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 -1.903 1.903
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.281 0.000 0.000
y 0.000 -24.532 0.000
z 0.000 0.000 -26.416
Traceless
 xyz
x -0.807 0.000 0.000
y 0.000 1.816 0.000
z 0.000 0.000 -1.010
Polar
3z2-r2-2.020
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 6.029 0.000 0.000
y 0.000 6.501 0.000
z 0.000 0.000 8.017


<r2> (average value of r2) Å2
<r2> 56.642
(<r2>)1/2 7.526