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

using model chemistry: MP2/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/Def2TZVPP
 hartrees
Energy at 0K-664.357759
Energy at 298.15K-664.363718
HF Energy-663.220292
Nuclear repulsion energy320.685449
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 MP2/Def2TZVPP
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' 3288 3129 1.11      
2 A' 3251 3093 0.76      
3 A' 3119 2968 1.98      
4 A' 1580 1503 0.78      
5 A' 1463 1392 4.73      
6 A' 1288 1225 52.49      
7 A' 1230 1170 163.82      
8 A' 1179 1122 24.22      
9 A' 1048 998 0.32      
10 A' 984 936 4.96      
11 A' 849 808 3.76      
12 A' 754 718 49.04      
13 A' 639 608 40.22      
14 A' 439 418 14.81      
15 A' 427 406 14.20      
16 A" 3197 3042 0.01      
17 A" 1407 1339 220.52      
18 A" 1090 1037 1.37      
19 A" 951 905 2.94      
20 A" 917 872 1.86      
21 A" 725 689 57.87      
22 A" 433 412 1.16      
23 A" 274 260 0.29      
24 A" 207 197 0.77      

Unscaled Zero Point Vibrational Energy (zpe) 15368.7 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 14623.3 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 MP2/Def2TZVPP
ABC
0.18146 0.10219 0.09649

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/Def2TZVPP

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.218 0.445 0.000
O2 0.561 1.082 1.253
O3 0.561 1.082 -1.253
C4 -1.412 -0.262 0.000
H5 -2.392 0.186 0.000
C6 -0.939 -1.517 0.000
H7 -1.488 -2.448 0.000
C8 0.561 -1.355 0.000
H9 1.076 -1.679 0.901
H10 1.076 -1.679 -0.901

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.44651.44651.77732.62302.27853.35831.83242.46222.4622
O21.44652.50582.69653.33073.25224.26892.73972.83073.5394
O31.44652.50582.69653.33073.25224.26892.73973.53942.8307
C41.77732.69652.69651.07761.34112.18652.25573.00223.0022
H52.62303.33073.33071.07762.23882.78473.33114.04014.0401
C62.27853.25223.25221.34112.23881.07971.50952.21402.2140
H73.35834.26894.26892.18652.78471.07972.32212.82422.8242
C81.83242.73972.73972.25573.33111.50952.32211.08731.0873
H92.46222.83073.53943.00224.04012.21402.82421.08731.8016
H102.46223.53942.83073.00224.04012.21402.82421.08731.8016

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 131.945 S1 C4 C6 92.816
S1 C8 C6 85.392 S1 C8 H9 112.459
S1 C8 H10 112.459 O2 S1 O3 120.022
O2 S1 C4 113.127 O2 S1 C8 112.814
O3 S1 C4 113.127 O3 S1 C8 112.814
C4 S1 C8 77.332 C4 C6 H7 128.844
C4 C6 C8 104.460 H5 C4 C6 135.239
C6 C8 H9 116.035 C6 C8 H10 116.035
H7 C6 C8 126.696 H9 C8 H10 111.879
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability