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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: B97D3/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 B97D3/Def2TZVPP
 hartrees
Energy at 0K-476.795349
Energy at 298.15K-476.799746
HF Energy-476.795349
Nuclear repulsion energy101.047872
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/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 3065 3023 21.32      
2 A1 1463 1443 4.37      
3 A1 1121 1106 1.33      
4 A1 1018 1004 0.60      
5 A1 618 610 22.07      
6 A2 3143 3100 0.00      
7 A2 1168 1152 0.00      
8 A2 887 874 0.00      
9 B1 3158 3115 10.90      
10 B1 943 930 4.45      
11 B1 821 809 0.26      
12 B2 3065 3023 20.80      
13 B2 1444 1424 0.15      
14 B2 1045 1030 26.79      
15 B2 670 661 0.30      

Unscaled Zero Point Vibrational Energy (zpe) 11813.9 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 11652.0 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/Def2TZVPP
ABC
0.73417 0.35945 0.26718

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.866
C2 0.000 0.742 -0.796
C3 0.000 -0.742 -0.796
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
S11.81971.81972.48632.48632.48632.4863
C21.81971.48441.08661.08662.21562.2156
C31.81971.48442.21562.21561.08661.0866
H42.48631.08662.21561.83223.10882.5115
H52.48631.08662.21561.83222.51153.1088
H62.48632.21561.08663.10882.51151.8322
H72.48632.21561.08662.51153.10881.8322

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.929 S1 C2 H4 115.287
S1 C2 H5 115.287 S1 C3 C2 65.929
S1 C3 H6 115.287 S1 C3 H7 115.287
C2 S1 C3 48.142 C2 C3 H6 118.204
C2 C3 H7 118.204 C3 C2 H4 118.204
C3 C2 H5 118.204 H4 C2 H5 114.928
H6 C3 H7 114.928
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.173      
2 C -0.078      
3 C -0.078      
4 H 0.082      
5 H 0.082      
6 H 0.082      
7 H 0.082      


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 -1.872 1.872
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.047 0.000 0.000
y 0.000 -24.428 0.000
z 0.000 0.000 -26.224
Traceless
 xyz
x -0.721 0.000 0.000
y 0.000 1.708 0.000
z 0.000 0.000 -0.986
Polar
3z2-r2-1.973
x2-y2-1.619
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.920 0.000 0.000
y 0.000 6.000 0.000
z 0.000 0.000 7.275


<r2> (average value of r2) Å2
<r2> 56.454
(<r2>)1/2 7.514