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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-664.824440
Energy at 298.15K-664.830276
HF Energy-664.525575
Nuclear repulsion energy316.145238
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 B2PLYP/6-31G*
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' 3300 3132 0.93      
2 A' 3260 3094 1.02      
3 A' 3125 2966 3.01      
4 A' 1621 1539 1.17      
5 A' 1502 1425 2.36      
6 A' 1299 1233 27.19      
7 A' 1222 1160 45.32      
8 A' 1141 1083 136.17      
9 A' 1061 1007 6.88      
10 A' 983 933 2.94      
11 A' 846 803 2.57      
12 A' 740 702 51.67      
13 A' 622 590 30.70      
14 A' 419 397 19.08      
15 A' 395 375 11.64      
16 A" 3194 3032 0.64      
17 A" 1333 1266 198.91      
18 A" 1100 1045 0.78      
19 A" 953 905 2.80      
20 A" 911 865 0.35      
21 A" 729 692 66.90      
22 A" 433 411 1.09      
23 A" 253 241 0.39      
24 A" 213 202 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 15326.4 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 14547.8 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 B2PLYP/6-31G*
ABC
0.17704 0.09945 0.09315

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.069 0.470 0.000
O2 0.069 1.248 1.319
O3 0.069 1.248 -1.319
C4 -1.155 -0.722 0.000
H5 -2.194 -0.649 0.000
C6 -0.310 -1.760 0.000
H7 -0.517 -2.781 0.000
C8 1.023 -1.093 0.000
H9 1.583 -1.304 0.894
H10 1.583 -1.304 -0.894

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.53151.53151.70852.52472.26163.30391.83132.49832.4983
O21.53152.63872.66823.23423.30584.28002.85142.99803.7021
O31.53152.63872.66823.23423.30584.28002.85143.70212.9980
C41.70852.66822.66821.04221.33812.15552.20882.93812.9381
H52.52473.23423.23421.04222.18782.71303.24773.93663.9366
C62.26163.30583.30581.33812.18781.04271.48982.14182.1418
H73.30394.28004.28002.15552.71301.04272.28532.71862.7186
C81.83132.85142.85142.20883.24771.48982.28531.07591.0759
H92.49832.99803.70212.93813.93662.14182.71861.07591.7877
H102.49833.70212.99802.93813.93662.14182.71861.07591.7877

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 131.695 S1 C4 C6 95.091
S1 C8 C6 85.185 S1 C8 H9 116.045
S1 C8 H10 116.045 O2 S1 O3 118.965
O2 S1 C4 110.760 O2 S1 C8 115.685
O3 S1 C4 110.760 O3 S1 C8 115.685
C4 S1 C8 77.132 C4 C6 H7 129.332
C4 C6 C8 102.592 H5 C4 C6 133.214
C6 C8 H9 112.187 C6 C8 H10 112.187
H7 C6 C8 128.076 H9 C8 H10 112.366
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.256      
2 O -0.570      
3 O -0.570      
4 C -0.345      
5 H 0.222      
6 C -0.115      
7 H 0.211      
8 C -0.545      
9 H 0.228      
10 H 0.228      


Electric dipole moments


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 7.111 0.230 0.000
y 0.230 8.566 0.000
z 0.000 0.000 5.845


<r2> (average value of r2) Å2
<r2> 149.504
(<r2>)1/2 12.227