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

using model chemistry: TPSSh/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at TPSSh/6-31G(2df,p)
 hartrees
Energy at 0K-665.313109
Energy at 298.15K-665.318947
HF Energy-665.313109
Nuclear repulsion energy318.513034
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 TPSSh/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' 3252 3138 0.85      
2 A' 3206 3093 2.41      
3 A' 3073 2966 6.06      
4 A' 1610 1554 1.26      
5 A' 1458 1407 1.55      
6 A' 1277 1232 31.48      
7 A' 1204 1162 94.41      
8 A' 1149 1109 77.91      
9 A' 1043 1007 2.21      
10 A' 971 937 3.55      
11 A' 836 807 2.33      
12 A' 724 699 41.73      
13 A' 615 594 27.80      
14 A' 420 405 15.59      
15 A' 402 388 9.93      
16 A" 3142 3032 1.56      
17 A" 1359 1311 183.58      
18 A" 1082 1044 1.51      
19 A" 949 916 2.58      
20 A" 903 871 2.15      
21 A" 728 703 49.42      
22 A" 425 410 1.53      
23 A" 258 249 0.14      
24 A" 204 197 0.64      

Unscaled Zero Point Vibrational Energy (zpe) 15145.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 14615.3 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 TPSSh/6-31G(2df,p)
ABC
0.17996 0.10046 0.09480

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.218 0.453 0.000
O2 0.563 1.095 1.258
O3 0.563 1.095 -1.258
C4 -1.417 -0.279 0.000
H5 -2.401 0.169 0.000
C6 -0.942 -1.529 0.000
H7 -1.486 -2.466 0.000
C8 0.563 -1.370 0.000
H9 1.084 -1.698 0.902
H10 1.084 -1.698 -0.902

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.45431.45431.79122.63392.29563.37961.85512.48842.4884
O21.45432.51662.71923.35073.27584.29692.76732.86353.5694
O31.45432.51662.71923.35073.27584.29692.76733.56942.8635
C41.79122.71922.71921.08101.33722.18782.26113.01423.0142
H52.63393.35073.35071.08102.23892.78913.33994.05554.0555
C62.29563.27583.27581.33722.23891.08401.51322.22392.2239
H73.37964.29694.29692.18782.78911.08402.32432.83032.8303
C81.85512.76732.76732.26113.33991.51322.32431.09231.0923
H92.48842.86353.56943.01424.05552.22392.83031.09231.8043
H102.48843.56942.86353.01424.05552.22392.83031.09231.8043

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 131.388 S1 C4 C6 93.271
S1 C8 C6 85.288 S1 C8 H9 112.603
S1 C8 H10 112.603 O2 S1 O3 119.811
O2 S1 C4 113.413 O2 S1 C8 112.921
O3 S1 C4 113.413 O3 S1 C8 112.921
C4 S1 C8 76.625 C4 C6 H7 128.977
C4 C6 C8 104.816 H5 C4 C6 135.341
C6 C8 H9 116.271 C6 C8 H10 116.271
H7 C6 C8 126.207 H9 C8 H10 111.368
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability