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All results from a given calculation for CH3SOCH3 (Dimethyl sulfoxide)

using model chemistry: MP2=FULL/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/cc-pVTZ
 hartrees
Energy at 0K-552.511894
Energy at 298.15K-552.518904
HF Energy-551.649191
Nuclear repulsion energy185.043067
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=FULL/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3202 3040 1.64 90.21 0.70 0.82
2 A' 3196 3034 5.01 86.22 0.72 0.84
3 A' 3094 2938 6.00 262.48 0.00 0.00
4 A' 1502 1426 17.84 1.56 0.75 0.85
5 A' 1478 1403 4.24 11.72 0.70 0.82
6 A' 1345 1277 13.41 2.92 0.06 0.11
7 A' 1142 1084 127.35 7.62 0.52 0.68
8 A' 1033 981 13.83 0.99 0.33 0.50
9 A' 966 917 5.32 2.01 0.72 0.84
10 A' 693 658 9.19 26.57 0.10 0.18
11 A' 375 356 6.85 1.65 0.43 0.61
12 A' 291 277 0.44 2.41 0.75 0.86
13 A' 248 235 0.57 0.08 0.43 0.60
14 A" 3201 3039 0.56 34.64 0.75 0.86
15 A" 3192 3031 0.00 7.28 0.75 0.86
16 A" 3094 2937 2.41 0.35 0.75 0.86
17 A" 1482 1407 0.01 13.21 0.75 0.86
18 A" 1462 1388 8.64 1.15 0.75 0.86
19 A" 1324 1257 2.98 0.17 0.75 0.86
20 A" 933 886 7.92 1.51 0.75 0.86
21 A" 897 851 2.69 0.02 0.75 0.86
22 A" 713 677 17.60 12.91 0.75 0.86
23 A" 319 303 9.16 3.54 0.75 0.86
24 A" 187 177 0.00 0.15 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17683.5 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 16788.8 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=FULL/cc-pVTZ
ABC
0.23401 0.23316 0.14222

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.260 0.431 0.000
O2 -1.099 1.053 0.000
C3 0.260 -0.778 1.330
C4 0.260 -0.778 -1.330
H5 1.174 -1.363 1.305
H6 1.174 -1.363 -1.305
H7 0.198 -0.223 2.258
H8 0.198 -0.223 -2.258
H9 -0.617 -1.406 1.215
H10 -0.617 -1.406 -1.215

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.49471.79771.79772.39882.39882.35152.35152.37062.3706
O21.49472.64022.64023.56423.56422.89992.89992.78472.7847
C31.79772.64022.65991.08472.84911.08293.63091.08472.7642
C41.79772.64022.65992.84911.08473.63091.08292.76421.0847
H52.39883.56421.08472.84912.60941.77703.86531.79373.0917
H62.39883.56422.84911.08472.60943.86531.77703.09171.7937
H72.35152.89991.08293.63091.77703.86534.51551.77483.7581
H82.35152.89993.63091.08293.86531.77704.51553.75811.7748
H92.37062.78471.08472.76421.79373.09171.77483.75812.4301
H102.37062.78472.76421.08473.09171.79373.75811.77482.4301

picture of Dimethyl sulfoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C3 H5 110.193 S1 C3 H7 106.799
S1 C3 H9 108.101 S1 C4 H6 110.193
S1 C4 H8 106.799 S1 C4 H10 108.101
O2 S1 C3 106.263 O2 S1 C4 106.263
C3 S1 C4 95.432 H5 C3 H7 110.135
H5 C3 H9 111.549 H6 C4 H8 110.135
H6 C4 H10 111.549 H7 C3 H9 109.930
H8 C4 H10 109.930
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability