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

using model chemistry: MP2/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A'
Energy calculated at MP2/6-31G**
 hartrees
Energy at 0K-663.944301
Energy at 298.15K-663.950206
HF Energy-663.036386
Nuclear repulsion energy317.265450
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 MP2/6-31G**
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 3336 3124 1.10      
2 A 3301 3092 1.03      
3 A 3163 2963 2.03      
4 A 1615 1512 0.86      
5 A 1510 1414 2.30      
6 A 1315 1231 33.14      
7 A 1237 1158 71.62      
8 A 1176 1102 124.06      
9 A 1074 1006 2.68      
10 A 1002 938 3.10      
11 A 850 796 4.35      
12 A 759 711 56.49      
13 A 638 597 37.56      
14 A 427 399 18.74      
15 A 409 383 13.05      
16 A 3245 3039 0.30      
17 A 1379 1291 218.56      
18 A 1105 1035 1.12      
19 A 962 901 2.79      
20 A 908 850 0.65      
21 A 735 688 66.61      
22 A 430 403 0.61      
23 A 254 238 0.44      
24 A 208 195 1.60      

Unscaled Zero Point Vibrational Energy (zpe) 15518.6 cm-1
Scaled (by 0.9365) Zero Point Vibrational Energy (zpe) 14533.2 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 MP2/6-31G**
ABC
0.17732 0.10064 0.09408

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.217 0.449 0.000
O2 0.562 1.090 1.272
O3 0.562 1.090 -1.272
C4 -1.414 -0.272 0.000
H5 -2.398 0.171 0.000
C6 -0.940 -1.531 0.000
H7 -1.486 -2.464 0.000
C8 0.562 -1.357 0.000
H9 1.080 -1.685 0.900
H10 1.080 -1.685 -0.900

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.46521.46521.78372.63022.29353.37421.83952.47212.4721
O21.46522.54362.71643.35103.27754.29412.75792.84693.5615
O31.46522.54362.71643.35103.27754.29412.75793.56152.8469
C41.78372.71642.71641.07901.34542.19302.25523.00513.0051
H52.63023.35103.35101.07902.24112.78803.33194.04424.0442
C62.29353.27753.27751.34542.24111.08071.51232.21712.2171
H73.37424.29414.29412.19302.78801.08072.32782.82872.8287
C81.83952.75792.75792.25523.33191.51232.32781.08901.0890
H92.47212.84693.56153.00514.04422.21712.82871.08901.8005
H102.47213.56152.84693.00514.04422.21712.82871.08901.8005

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 131.937 S1 C4 C6 93.206
S1 C8 C6 85.765 S1 C8 H9 112.624
S1 C8 H10 112.624 O2 S1 O3 120.456
O2 S1 C4 113.101 O2 S1 C8 112.641
O3 S1 C4 113.101 O3 S1 C8 112.641
C4 S1 C8 76.970 C4 C6 H7 129.025
C4 C6 C8 104.059 H5 C4 C6 134.856
C6 C8 H9 115.975 C6 C8 H10 115.975
H7 C6 C8 126.917 H9 C8 H10 111.512
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability