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

using model chemistry: HF/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at HF/3-21G*
 hartrees
Energy at 0K-659.730400
Energy at 298.15K-659.736804
Nuclear repulsion energy322.004871
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 HF/3-21G*
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 3472 3134 2.05      
2 A 3435 3101 1.36      
3 A 3267 2949 0.78      
4 A 1735 1566 9.80      
5 A 1606 1449 10.21      
6 A 1417 1279 38.58      
7 A 1360 1228 87.85      
8 A 1265 1142 182.54      
9 A 1176 1061 5.79      
10 A 991 894 3.97      
11 A 937 846 4.58      
12 A 837 755 77.88      
13 A 718 648 44.45      
14 A 484 437 30.85      
15 A 471 425 24.73      
16 A 3333 3008 0.00      
17 A 1492 1347 272.65      
18 A 1234 1113 0.24      
19 A 1113 1005 3.62      
20 A 1034 934 8.35      
21 A 871 786 104.83      
22 A 493 445 0.46      
23 A 303 274 0.39      
24 A 238 215 2.59      

Unscaled Zero Point Vibrational Energy (zpe) 16641.3 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 15020.5 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 HF/3-21G*
ABC
0.18481 0.10234 0.09681

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/3-21G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 -0.021 0.489 0.000
O2 -0.021 1.218 1.234
O3 -0.021 1.218 -1.234
C4 -1.098 -0.903 0.000
H5 -2.159 -0.988 0.000
C6 -0.117 -1.794 0.000
H7 -0.151 -2.860 0.000
C8 1.135 -0.894 0.000
H9 1.738 -0.953 0.894
H10 1.738 -0.953 -0.894

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.43321.43321.75942.59822.28473.35101.80272.44342.4434
O21.43322.46772.67933.31033.25614.26222.70572.81443.5115
O31.43322.46772.67933.31033.25614.26222.70573.51152.8144
C41.75942.67932.67931.06471.32552.17422.23272.97342.9734
H52.59823.31033.31031.06472.19582.74553.29523.99813.9981
C62.28473.25613.25611.32552.19581.06631.54112.22362.2236
H73.35104.26224.26222.17422.74551.06632.34832.82862.8286
C81.80272.70572.70572.23273.29521.54112.34831.07951.0795
H92.44342.81443.51152.97343.99812.22362.82861.07951.7871
H102.44343.51152.81442.97343.99812.22362.82861.07951.7871

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 132.311 S1 C4 C6 94.520
S1 C8 C6 85.819 S1 C8 H9 113.549
S1 C8 H10 113.549 O2 S1 O3 118.844
O2 S1 C4 113.728 O2 S1 C8 112.973
O3 S1 C4 113.728 O3 S1 C8 112.973
C4 S1 C8 77.616 C4 C6 H7 130.417
C4 C6 C8 102.046 H5 C4 C6 133.169
C6 C8 H9 114.964 C6 C8 H10 114.964
H7 C6 C8 127.537 H9 C8 H10 111.736
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.567 1.475    
2 O -0.567 -0.675    
3 O -0.567 -0.675    
4 C -0.602 -0.452    
5 H 0.284 0.241    
6 C -0.169 -0.049    
7 H 0.283 0.172    
8 C -0.796 -0.289    
9 H 0.283 0.126    
10 H 0.283 0.126    


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.312 -5.414 0.000 5.423
CHELPG 0.300 -5.475 0.000 5.483
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.431 -0.202 0.000
y -0.202 -42.562 0.000
z 0.000 0.000 -49.063
Traceless
 xyz
x 10.381 -0.202 0.000
y -0.202 -0.315 0.000
z 0.000 0.000 -10.067
Polar
3z2-r2-20.134
x2-y27.131
xy-0.202
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.388 -0.653 0.000
y -0.653 7.003 0.000
z 0.000 0.000 4.563


<r2> (average value of r2) Å2
<r2> 145.707
(<r2>)1/2 12.071