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All results from a given calculation for C2H4S (Thiirane)

using model chemistry: PBE1PBE/daug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/daug-cc-pVTZ
 hartrees
Energy at 0K-476.596587
Energy at 298.15K-476.601052
HF Energy-476.596587
Nuclear repulsion energy101.588472
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 PBE1PBE/daug-cc-pVTZ
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 3141 3141 15.20      
2 A1 1489 1489 2.21      
3 A1 1160 1160 1.09      
4 A1 1042 1042 1.07      
5 A1 664 664 24.11      
6 A2 3222 3222 0.00      
7 A2 1192 1192 0.00      
8 A2 902 902 0.00      
9 B1 3236 3236 2.11      
10 B1 961 961 3.23      
11 B1 832 832 0.72      
12 B2 3140 3140 9.95      
13 B2 1463 1463 1.45      
14 B2 1075 1075 22.19      
15 B2 710 710 0.63      

Unscaled Zero Point Vibrational Energy (zpe) 12114.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 12114.8 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 PBE1PBE/daug-cc-pVTZ
ABC
0.74127 0.36359 0.27029

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.860
C2 0.000 0.738 -0.792
C3 0.000 -0.738 -0.792
H4 -0.914 1.249 -1.067
H5 0.914 1.249 -1.067
H6 0.914 -1.249 -1.067
H7 -0.914 -1.249 -1.067

Atom - Atom Distances (Å)
  S1 C2 C3 H4 H5 H6 H7
S11.80931.80932.47202.47202.47202.4720
C21.80931.47651.08301.08302.20502.2050
C31.80931.47652.20502.20501.08301.0830
H42.47201.08302.20501.82843.09622.4987
H52.47201.08302.20501.82842.49873.0962
H62.47202.20501.08303.09622.49871.8284
H72.47202.20501.08302.49873.09621.8284

picture of Thiirane state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C3 65.919 S1 C2 H4 115.134
S1 C2 H5 115.134 S1 C3 C2 65.919
S1 C3 H6 115.134 S1 C3 H7 115.134
C2 S1 C3 48.161 C2 C3 H6 118.161
C2 C3 H7 118.161 C3 C2 H4 118.161
C3 C2 H5 118.161 H4 C2 H5 115.162
H6 C3 H7 115.162
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.271      
2 C -0.551      
3 C -0.551      
4 H 0.343      
5 H 0.343      
6 H 0.343      
7 H 0.343      


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 -1.934 1.934
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -26.166 0.000 0.000
y 0.000 -24.445 0.000
z 0.000 0.000 -26.393
Traceless
 xyz
x -0.747 0.000 0.000
y 0.000 1.835 0.000
z 0.000 0.000 -1.088
Polar
3z2-r2-2.175
x2-y2-1.721
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.791 0.000 0.000
y 0.000 6.295 0.000
z 0.000 0.000 7.733


<r2> (average value of r2) Å2
<r2> 56.073
(<r2>)1/2 7.488