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

using model chemistry: MP2/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-311+G(3df,2p)
 hartrees
Energy at 0K-552.425706
Energy at 298.15K-552.432766
HF Energy-551.650054
Nuclear repulsion energy185.244847
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 MP2/6-311+G(3df,2p)
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' 3197 3016 1.27 84.01 0.71 0.83
2 A' 3188 3007 4.48 81.28 0.74 0.85
3 A' 3072 2898 5.57 287.87 0.00 0.00
4 A' 1499 1414 17.82 0.80 0.70 0.82
5 A' 1475 1391 4.23 7.94 0.71 0.83
6 A' 1352 1275 13.07 4.48 0.03 0.05
7 A' 1139 1074 154.03 12.95 0.41 0.58
8 A' 1038 979 14.32 0.38 0.70 0.82
9 A' 970 915 5.67 0.82 0.72 0.84
10 A' 698 658 7.62 27.80 0.11 0.19
11 A' 378 357 6.57 1.68 0.21 0.35
12 A' 295 279 0.32 2.68 0.74 0.85
13 A' 257 243 0.31 0.08 0.53 0.69
14 A" 3196 3016 0.32 32.03 0.75 0.86
15 A" 3184 3003 0.04 8.45 0.75 0.86
16 A" 3072 2898 2.23 0.87 0.75 0.86
17 A" 1478 1394 0.04 8.47 0.75 0.86
18 A" 1459 1377 9.36 0.80 0.75 0.86
19 A" 1331 1256 2.89 0.84 0.75 0.86
20 A" 942 888 8.55 0.49 0.75 0.86
21 A" 903 852 2.71 0.29 0.75 0.86
22 A" 720 679 15.14 12.84 0.75 0.86
23 A" 325 306 8.21 3.75 0.75 0.86
24 A" 199 188 0.00 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17683.0 cm-1
Scaled (by 0.9434) Zero Point Vibrational Energy (zpe) 16682.1 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 MP2/6-311+G(3df,2p)
ABC
0.23429 0.23428 0.14215

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.257 0.426 0.000
O2 -1.089 1.061 0.000
C3 0.257 -0.776 1.331
C4 0.257 -0.776 -1.331
H5 1.173 -1.364 1.299
H6 1.173 -1.364 -1.299
H7 0.206 -0.218 2.263
H8 0.206 -0.218 -2.263
H9 -0.623 -1.408 1.226
H10 -0.623 -1.408 -1.226

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.48871.79371.79372.39352.39352.35322.35322.37552.3755
O21.48872.63852.63853.56193.56192.90412.90412.79642.7964
C31.79372.63852.66281.08902.84661.08703.63761.08902.7780
C41.79372.63852.66282.84661.08903.63761.08702.77801.0890
H52.39353.56191.08902.84662.59761.78273.86441.79893.0996
H62.39353.56192.84661.08902.59763.86441.78273.09961.7989
H72.35322.90411.08703.63761.78273.86444.52561.78263.7786
H82.35322.90413.63761.08703.86441.78274.52563.77861.7826
H92.37552.79641.08902.77801.79893.09961.78263.77862.4529
H102.37552.79642.77801.08903.09961.79893.77861.78262.4529

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 109.836 S1 C3 H7 106.978
S1 C3 H9 108.504 S1 C4 H6 109.836
S1 C4 H8 106.978 S1 C4 H10 108.504
O2 S1 C3 106.623 O2 S1 C4 106.623
C3 S1 C4 95.848 H5 C3 H7 110.025
H5 C3 H9 111.370 H6 C4 H8 110.025
H6 C4 H10 111.370 H7 C3 H9 110.016
H8 C4 H10 110.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability