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

using model chemistry: MP2/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311G*
 hartrees
Energy at 0K-552.205312
Energy at 298.15K-552.212301
HF Energy-551.589915
Nuclear repulsion energy183.861830
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 MP2/6-311G*
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' 3203 3044 4.29 99.31 0.73 0.85
2 A' 3197 3038 7.50 95.14 0.73 0.84
3 A' 3082 2929 7.53 218.78 0.00 0.00
4 A' 1516 1441 28.05 1.59 0.70 0.82
5 A' 1490 1416 5.02 18.30 0.71 0.83
6 A' 1400 1331 19.59 2.76 0.08 0.15
7 A' 1125 1069 147.63 4.24 0.52 0.68
8 A' 1062 1009 19.33 2.55 0.51 0.68
9 A' 998 949 12.80 3.77 0.71 0.83
10 A' 694 660 12.15 27.17 0.12 0.21
11 A' 379 360 9.49 2.19 0.46 0.63
12 A' 301 286 0.41 2.51 0.74 0.85
13 A' 241 229 0.62 0.12 0.56 0.72
14 A" 3202 3043 1.36 39.35 0.75 0.86
15 A" 3194 3035 0.02 7.70 0.75 0.86
16 A" 3080 2927 4.56 0.14 0.75 0.86
17 A" 1494 1420 0.22 23.03 0.75 0.86
18 A" 1474 1401 13.28 2.20 0.75 0.86
19 A" 1376 1307 8.89 0.31 0.75 0.86
20 A" 963 915 7.97 3.43 0.75 0.86
21 A" 928 882 2.05 0.51 0.75 0.86
22 A" 717 682 22.21 16.43 0.75 0.86
23 A" 316 300 10.26 4.10 0.75 0.86
24 A" 166 157 0.00 0.24 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17798.8 cm-1
Scaled (by 0.9503) Zero Point Vibrational Energy (zpe) 16914.2 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 MP2/6-311G*
ABC
0.23066 0.23065 0.13998

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.261 0.430 0.000
O2 -1.100 1.068 0.000
C3 0.261 -0.782 1.341
C4 0.261 -0.782 -1.341
H5 1.161 -1.399 1.307
H6 1.161 -1.399 -1.307
H7 0.232 -0.224 2.277
H8 0.232 -0.224 -2.277
H9 -0.641 -1.392 1.257
H10 -0.641 -1.392 -1.257

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.50241.80731.80732.42092.42092.36892.36892.38982.3898
O21.50242.65902.65903.59173.59172.93682.93682.79992.7999
C31.80732.65902.68151.09162.86331.09013.66041.09172.8166
C41.80732.65902.68152.86331.09163.66041.09012.81661.0917
H52.42093.59171.09162.86332.61311.78453.88371.80273.1335
H62.42093.59172.86331.09162.61313.88371.78453.13351.8027
H72.36892.93681.09013.66041.78453.88374.55351.77913.8226
H82.36892.93683.66041.09013.88371.78454.55353.82261.7791
H92.38982.79991.09172.81661.80273.13351.77913.82262.5140
H102.38982.79992.81661.09173.13351.80273.82261.77912.5140

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 110.823 S1 C3 H7 107.074
S1 C3 H9 108.511 S1 C4 H6 110.823
S1 C4 H8 107.074 S1 C4 H10 108.511
O2 S1 C3 106.547 O2 S1 C4 106.547
C3 S1 C4 95.777 H5 C3 H7 109.749
H5 C3 H9 111.313 H6 C4 H8 109.749
H6 C4 H10 111.313 H7 C3 H9 109.260
H8 C4 H10 109.260
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability