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

using model chemistry: MP2/CEP-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/CEP-31G*
 hartrees
Energy at 0K-60.823209
Energy at 298.15K-60.828993
HF Energy-59.974034
Nuclear repulsion energy121.214995
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/CEP-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 3274 3109 0.62      
2 A 3234 3070 1.46      
3 A 3125 2967 7.33      
4 A 1583 1503 0.26      
5 A 1488 1413 3.83      
6 A 1274 1210 44.21      
7 A 1212 1150 39.66      
8 A 1147 1089 168.79      
9 A 1034 981 2.69      
10 A 985 936 3.24      
11 A 831 789 4.75      
12 A 742 704 49.81      
13 A 624 592 31.91      
14 A 417 395 17.77      
15 A 404 383 15.68      
16 A 3219 3056 2.24      
17 A 1326 1258 258.35      
18 A 1084 1029 1.45      
19 A 945 898 2.72      
20 A 885 841 0.72      
21 A 722 685 91.38      
22 A 415 394 0.89      
23 A 260 247 0.38      
24 A 196 186 1.39      

Unscaled Zero Point Vibrational Energy (zpe) 15212.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 14442.2 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/CEP-31G*
ABC
0.17281 0.09789 0.09175

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.246 0.531 0.000
O2 0.596 1.178 1.285
O3 0.596 1.178 -1.285
C4 -1.413 -0.195 0.000
H5 -2.406 0.263 0.000
C6 -0.927 -1.480 0.000
H7 -1.480 -2.425 0.000
C8 0.596 -1.300 0.000
H9 1.117 -1.627 0.915
H10 1.117 -1.627 -0.915

Atom - Atom Distances (Å)
  S1 O2 O3 C4 H5 C6 H7 C8 H9 H10
S11.48071.48071.81082.66512.32863.42351.86462.50102.5010
O21.48072.57072.75193.39133.32214.35242.79112.87643.6027
O31.48072.57072.75193.39133.32214.35242.79113.60272.8764
C41.81082.75192.75191.09341.37422.23102.29293.04763.0476
H52.66513.39133.39131.09342.28622.84283.38454.10104.1010
C62.32863.32213.32211.37422.28621.09491.53372.24402.2440
H73.42354.35244.35242.23102.84281.09492.36182.86712.8671
C81.86462.79112.79112.29293.38451.53372.36181.10261.1026
H92.50102.87643.60273.04764.10102.24402.86711.10261.8305
H102.50103.60272.87643.04764.10102.24402.86711.10261.8305

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 131.582 S1 C4 C6 92.935
S1 C8 C6 85.924 S1 C8 H9 112.337
S1 C8 H10 112.337 O2 S1 O3 120.474
O2 S1 C4 113.069 O2 S1 C8 112.590
O3 S1 C4 113.069 O3 S1 C8 112.590
C4 S1 C8 77.180 C4 C6 H7 128.910
C4 C6 C8 103.962 H5 C4 C6 135.483
C6 C8 H9 115.723 C6 C8 H10 115.723
H7 C6 C8 127.128 H9 C8 H10 112.217
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability