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All results from a given calculation for C3H4O2S (2H-Thiete-1,1-dioxide)

using model chemistry: G4

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at G4
 hartrees
Energy at 0K-665.054837
Energy at 298.15K-665.048443
HF Energy-665.292605
Nuclear repulsion energy318.525885
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 B3LYP/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3257 3143 0.65      
2 A 3212 3099 1.35      
3 A 3074 2967 4.49      
4 A 1615 1559 1.50      
5 A 1452 1401 2.19      
6 A 1274 1229 34.30      
7 A 1208 1166 104.49      
8 A 1156 1115 71.12      
9 A 1043 1007 1.75      
10 A 965 932 3.95      
11 A 841 812 2.35      
12 A 725 699 45.30      
13 A 619 598 30.32      
14 A 425 410 16.06      
15 A 406 391 10.18      
16 A 3141 3031 1.05      
17 A 1368 1320 188.12      
18 A 1083 1046 1.34      
19 A 948 915 2.20      
20 A 907 875 1.67      
21 A 730 704 48.73      
22 A 435 420 1.36      
23 A 264 254 0.17      
24 A 214 207 0.74      

Unscaled Zero Point Vibrational Energy (zpe) 15179.9 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 14648.6 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 B3LYP/6-31G(2df,p)
ABC
0.18035 0.10020 0.09471

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.219 0.454 0.000
O2 0.563 1.091 1.250
O3 0.563 1.091 -1.250
C4 -1.416 -0.277 0.000
H5 -2.401 0.167 0.000
C6 -0.945 -1.527 0.000
H7 -1.489 -2.464 0.000
C8 0.563 -1.366 0.000
H9 1.083 -1.699 0.901
H10 1.083 -1.699 -0.901

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.44441.44441.79132.63612.29783.38101.85132.48832.4883
O21.44442.49962.71113.34673.26984.29082.75622.85963.5611
O31.44442.49962.71113.34673.26984.29082.75623.56112.8596
C41.79132.71112.71111.08041.33572.18812.25853.01293.0129
H52.63613.34673.34671.08042.23372.78453.33664.05344.0534
C62.29783.26983.26981.33572.23371.08321.51672.22562.2256
H73.38104.29084.29082.18812.78451.08322.32742.83022.8302
C81.85132.75622.75622.25853.33661.51672.32741.09231.0923
H92.48832.85963.56113.01294.05342.22562.83021.09231.8019
H102.48833.56112.85963.01294.05342.22562.83021.09231.8019

picture of 2H-Thiete-1,1-dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H5 131.582 S1 C4 C6 93.483
S1 C8 C6 85.496 S1 C8 H9 113.170
S1 C8 H10 113.170 O2 S1 O3 119.744
O2 S1 C4 113.372 O2 S1 C8 112.849
O3 S1 C4 113.372 O3 S1 C8 112.849
C4 S1 C8 77.104 C4 C6 H7 129.588
C4 C6 C8 103.917 H5 C4 C6 134.935
C6 C8 H9 115.879 C6 C8 H10 115.879
H7 C6 C8 126.495 H9 C8 H10 111.061
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.549      
2 O -0.281      
3 O -0.281      
4 C -0.186      
5 H 0.153      
6 C -0.056      
7 H 0.144      
8 C -0.359      
9 H 0.158      
10 H 0.158      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.078 -4.216 0.000 4.700
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


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


<r2> (average value of r2) Å2
<r2> 147.361
(<r2>)1/2 12.139