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

using model chemistry: B2PLYP=FULLultrafine/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=FULLultrafine/6-31G*
 hartrees
Energy at 0K-664.834355
Energy at 298.15K 
HF Energy-664.525671
Nuclear repulsion energy316.282974
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=FULLultrafine/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' 3301 3132 0.92      
2 A' 3261 3094 1.01      
3 A' 3124 2964 2.98      
4 A' 1622 1539 1.18      
5 A' 1501 1424 2.41      
6 A' 1299 1232 27.44      
7 A' 1222 1160 46.57      
8 A' 1143 1084 135.49      
9 A' 1061 1006 6.33      
10 A' 983 933 3.01      
11 A' 847 803 2.55      
12 A' 740 702 51.78      
13 A' 622 590 30.86      
14 A' 419 397 19.11      
15 A' 395 375 11.64      
16 A" 3193 3029 0.62      
17 A" 1336 1267 199.11      
18 A" 1101 1045 0.78      
19 A" 954 905 2.79      
20 A" 913 866 0.36      
21 A" 730 693 66.91      
22 A" 433 411 1.11      
23 A" 254 241 0.40      
24 A" 213 202 1.24      

Unscaled Zero Point Vibrational Energy (zpe) 15333.5 cm-1
Scaled (by 0.9487) Zero Point Vibrational Energy (zpe) 14546.9 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=FULLultrafine/6-31G*
ABC
0.17719 0.09954 0.09324

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.217 0.451 0.000
O2 0.564 1.089 1.260
O3 0.564 1.089 -1.260
C4 -1.413 -0.274 0.000
H5 -2.398 0.176 0.000
C6 -0.947 -1.531 0.000
H7 -1.489 -2.469 0.000
C8 0.564 -1.355 0.000
H9 1.081 -1.693 0.900
H10 1.081 -1.693 -0.900

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.45441.45441.78442.62932.29883.38251.83912.48092.4809
O21.45442.52072.71183.34533.27644.29702.74982.85253.5604
O31.45442.52072.71183.34533.27644.29702.74983.56042.8525
C41.78442.71182.71181.08221.34142.19712.25363.00823.0082
H52.62933.34533.34531.08222.24082.79733.33404.05084.0508
C62.29883.27643.27641.34142.24081.08371.52072.22482.2248
H73.38254.29704.29702.19712.79731.08372.33602.83222.8322
C81.83912.74982.74982.25363.33401.52072.33601.09221.0922
H92.48092.85253.56043.00824.05082.22482.83221.09221.8008
H102.48093.56042.85253.00824.05082.22482.83221.09221.8008

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 131.474 S1 C4 C6 93.602
S1 C8 C6 85.790 S1 C8 H9 113.156
S1 C8 H10 113.156 O2 S1 O3 120.125
O2 S1 C4 113.315 O2 S1 C8 112.693
O3 S1 C4 113.315 O3 S1 C8 112.693
C4 S1 C8 76.901 C4 C6 H7 129.598
C4 C6 C8 103.708 H5 C4 C6 134.924
C6 C8 H9 115.773 C6 C8 H10 115.773
H7 C6 C8 126.694 H9 C8 H10 111.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability