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

using model chemistry: MP2/aug-cc-pVDZ

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/aug-cc-pVDZ
 hartrees
Energy at 0K-552.240591
Energy at 298.15K-552.247457
HF Energy-551.580040
Nuclear repulsion energy181.369468
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/aug-cc-pVDZ
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' 3196 3065 1.93 85.04 0.70 0.82
2 A' 3183 3053 6.79 86.61 0.75 0.86
3 A' 3061 2935 8.82 311.48 0.00 0.00
4 A' 1464 1404 16.80 0.73 0.67 0.80
5 A' 1439 1380 3.65 7.94 0.71 0.83
6 A' 1316 1262 7.01 5.28 0.03 0.05
7 A' 1054 1011 143.56 7.60 0.42 0.59
8 A' 1021 979 13.07 0.45 0.51 0.67
9 A' 949 910 10.35 0.96 0.74 0.85
10 A' 668 641 7.53 36.38 0.10 0.18
11 A' 353 339 7.07 1.84 0.22 0.36
12 A' 280 269 0.48 3.29 0.75 0.86
13 A' 234 224 0.39 0.08 0.58 0.74
14 A" 3195 3064 0.81 31.66 0.75 0.86
15 A" 3180 3050 0.02 9.08 0.75 0.86
16 A" 3060 2934 3.74 1.20 0.75 0.86
17 A" 1442 1383 0.00 8.61 0.75 0.86
18 A" 1425 1366 8.15 0.65 0.75 0.86
19 A" 1293 1240 0.53 1.03 0.75 0.86
20 A" 925 887 4.51 0.53 0.75 0.86
21 A" 890 853 1.71 0.28 0.75 0.86
22 A" 693 665 12.81 17.10 0.75 0.86
23 A" 304 291 8.78 4.26 0.75 0.86
24 A" 173 166 0.00 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17398.9 cm-1
Scaled (by 0.959) Zero Point Vibrational Energy (zpe) 16685.5 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/aug-cc-pVDZ
ABC
0.22542 0.22391 0.13702

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.269 0.434 0.000
O2 -1.139 1.069 0.000
C3 0.269 -0.788 1.355
C4 0.269 -0.788 -1.355
H5 1.201 -1.374 1.322
H6 1.201 -1.374 -1.322
H7 0.208 -0.219 2.293
H8 0.208 -0.219 -2.293
H9 -0.619 -1.427 1.239
H10 -0.619 -1.427 -1.239

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.54461.82451.82452.42592.42592.38472.38472.40572.4057
O21.54462.69552.69553.63193.63192.95462.95462.83442.8344
C31.82452.69552.70961.10142.89461.09903.69241.10062.8149
C41.82452.69552.70962.89461.10143.69241.09902.81491.1006
H52.42593.63191.10142.89462.64441.80623.92291.82333.1425
H62.42593.63192.89461.10142.64443.92291.80623.14251.8233
H72.38472.95461.09903.69241.80623.92294.58571.80473.8232
H82.38472.95463.69241.09903.92291.80624.58573.82321.8047
H92.40572.83441.10062.81491.82333.14251.80473.82322.4772
H102.40572.83442.81491.10063.14251.82333.82321.80472.4772

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 109.522 S1 C3 H7 106.667
S1 C3 H9 108.095 S1 C4 H6 109.522
S1 C4 H8 106.667 S1 C4 H10 108.095
O2 S1 C3 105.976 O2 S1 C4 105.976
C3 S1 C4 95.898 H5 C3 H7 110.339
H5 C3 H9 111.795 H6 C4 H8 110.339
H6 C4 H10 111.795 H7 C3 H9 110.261
H8 C4 H10 110.261
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability