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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: B97D3/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/cc-pVQZ
 hartrees
Energy at 0K-476.806073
Energy at 298.15K-476.810475
HF Energy-476.806073
Nuclear repulsion energy100.957167
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/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 21.65      
2 A1 1463 1463 4.03      
3 A1 1122 1122 1.19      
4 A1 1019 1019 0.61      
5 A1 618 618 22.34      
6 A2 3140 3140 0.00      
7 A2 1171 1171 0.00      
8 A2 886 886 0.00      
9 B1 3155 3155 9.17      
10 B1 941 941 3.85      
11 B1 821 821 0.35      
12 B2 3063 3063 19.51      
13 B2 1445 1445 0.23      
14 B2 1047 1047 23.37      
15 B2 668 668 0.25      

Unscaled Zero Point Vibrational Energy (zpe) 11810.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11810.3 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/cc-pVQZ
ABC
0.73497 0.35806 0.26650

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/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 -1.075
H5 0.916 1.256 -1.075
H6 0.916 -1.256 -1.075
H7 -0.916 -1.256 -1.075

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.82321.82322.48722.48722.48722.4872
C21.82321.48331.08591.08592.21452.2145
C31.82321.48332.21452.21451.08591.0859
H42.48721.08592.21451.83153.10812.5112
H52.48721.08592.21451.83152.51123.1081
H62.48722.21451.08593.10812.51121.8315
H72.48722.21451.08592.51123.10811.8315

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.998 S1 C2 H4 115.153
S1 C2 H5 115.153 S1 C3 C2 65.998
S1 C3 H6 115.153 S1 C3 H7 115.153
C2 S1 C3 48.004 C2 C3 H6 118.248
C2 C3 H7 118.248 C3 C2 H4 118.248
C3 C2 H5 118.248 H4 C2 H5 114.987
H6 C3 H7 114.987
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.043      
2 C -0.251      
3 C -0.251      
4 H 0.136      
5 H 0.136      
6 H 0.136      
7 H 0.136      


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 -1.907 1.907
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.142 0.000 0.000
y 0.000 -24.476 0.000
z 0.000 0.000 -26.311
Traceless
 xyz
x -0.749 0.000 0.000
y 0.000 1.750 0.000
z 0.000 0.000 -1.001
Polar
3z2-r2-2.002
x2-y2-1.666
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.242 0.000 0.000
y 0.000 6.106 0.000
z 0.000 0.000 7.555


<r2> (average value of r2) Å2
<r2> 56.579
(<r2>)1/2 7.522