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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: BLYP/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/Def2TZVPP
 hartrees
Energy at 0K-476.782617
Energy at 298.15K-476.786960
HF Energy-476.782617
Nuclear repulsion energy100.094251
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 BLYP/Def2TZVPP
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 3046 3046 17.75      
2 A1 1457 1457 3.97      
3 A1 1101 1101 1.81      
4 A1 1012 1012 0.62      
5 A1 592 592 21.70      
6 A2 3121 3121 0.00      
7 A2 1165 1165 0.00      
8 A2 872 872 0.00      
9 B1 3136 3136 8.70      
10 B1 925 925 4.64      
11 B1 817 817 0.25      
12 B2 3047 3047 17.79      
13 B2 1440 1440 0.19      
14 B2 1036 1036 28.08      
15 B2 623 623 0.28      

Unscaled Zero Point Vibrational Energy (zpe) 11693.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 11693.6 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 BLYP/Def2TZVPP
ABC
0.73014 0.34934 0.26110

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.879
C2 0.000 0.744 -0.810
C3 0.000 -0.744 -0.810
H4 -0.917 1.261 -1.085
H5 0.917 1.261 -1.085
H6 0.917 -1.261 -1.085
H7 -0.917 -1.261 -1.085

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.84521.84522.50752.50752.50752.5075
C21.84521.48811.08821.08822.22202.2220
C31.84521.48812.22202.22201.08821.0882
H42.50751.08822.22201.83413.11862.5223
H52.50751.08822.22201.83412.52233.1186
H62.50752.22201.08823.11862.52231.8341
H72.50752.22201.08822.52233.11861.8341

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 66.220 S1 C2 H4 115.027
S1 C2 H5 115.027 S1 C3 C2 66.220
S1 C3 H6 115.027 S1 C3 H7 115.027
C2 S1 C3 47.561 C2 C3 H6 118.372
C2 C3 H7 118.372 C3 C2 H4 118.372
C3 C2 H5 118.372 H4 C2 H5 114.863
H6 C3 H7 114.863
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.171      
2 C -0.139      
3 C -0.139      
4 H 0.112      
5 H 0.112      
6 H 0.112      
7 H 0.112      


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 -1.879 1.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.452 0.000 0.000
y 0.000 -24.791 0.000
z 0.000 0.000 -26.505
Traceless
 xyz
x -0.804 0.000 0.000
y 0.000 1.687 0.000
z 0.000 0.000 -0.883
Polar
3z2-r2-1.767
x2-y2-1.661
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.981 0.000 0.000
y 0.000 6.087 0.000
z 0.000 0.000 7.443


<r2> (average value of r2) Å2
<r2> 57.489
(<r2>)1/2 7.582