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

using model chemistry: MP2=FULL/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-552.203186
Energy at 298.15K-552.210209
HF Energy-551.553618
Nuclear repulsion energy183.386263
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/6-31+G**
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' 3259 3061 1.93 91.77 0.72 0.84
2 A' 3246 3049 6.79 94.30 0.75 0.86
3 A' 3125 2935 7.93 244.19 0.00 0.00
4 A' 1516 1424 24.15 1.76 0.67 0.80
5 A' 1497 1406 4.87 13.05 0.69 0.82
6 A' 1405 1320 9.63 5.32 0.02 0.03
7 A' 1107 1040 164.75 7.60 0.49 0.66
8 A' 1067 1002 14.15 1.67 0.74 0.85
9 A' 998 937 18.23 3.36 0.74 0.85
10 A' 697 655 8.03 31.81 0.14 0.24
11 A' 375 352 9.93 1.76 0.15 0.26
12 A' 297 279 0.64 2.56 0.75 0.86
13 A' 247 232 0.35 0.08 0.73 0.84
14 A" 3258 3060 0.57 38.15 0.75 0.86
15 A" 3243 3046 0.02 7.90 0.75 0.86
16 A" 3124 2934 4.11 0.35 0.75 0.86
17 A" 1500 1409 0.08 16.16 0.75 0.86
18 A" 1483 1393 10.99 1.85 0.75 0.86
19 A" 1382 1298 2.70 0.20 0.75 0.86
20 A" 969 910 5.67 1.48 0.75 0.86
21 A" 934 877 1.18 0.05 0.75 0.86
22 A" 728 683 18.57 19.96 0.75 0.86
23 A" 312 293 9.85 5.01 0.75 0.86
24 A" 187 175 0.01 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17976.6 cm-1
Scaled (by 0.9392) Zero Point Vibrational Energy (zpe) 16883.6 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/6-31+G**
ABC
0.23055 0.22876 0.13910

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.262 0.424 0.000
O2 -1.109 1.079 0.000
C3 0.262 -0.783 1.343
C4 0.262 -0.783 -1.343
H5 1.173 -1.377 1.308
H6 1.173 -1.377 -1.308
H7 0.218 -0.228 2.276
H8 0.218 -0.228 -2.276
H9 -0.622 -1.411 1.250
H10 -0.622 -1.411 -1.250

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.51911.80541.80542.40512.40512.36772.36772.38992.3899
O21.51912.67372.67373.59863.59862.94092.94092.82892.8289
C31.80542.67372.68561.08852.86521.08623.66101.08832.8100
C41.80542.67372.68562.86521.08853.66101.08622.81001.0883
H52.40513.59861.08852.86522.61561.77993.88241.79603.1245
H62.40513.59862.86521.08852.61563.88241.77993.12451.7960
H72.36772.94091.08623.66101.77993.88244.55131.77733.8123
H82.36772.94093.66101.08623.88241.77994.55133.81231.7773
H92.38992.82891.08832.81001.79603.12451.77733.81232.4992
H102.38992.82892.81001.08833.12451.79603.81231.77732.4992

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 109.935 S1 C3 H7 107.305
S1 C3 H9 108.816 S1 C4 H6 109.935
S1 C4 H8 107.305 S1 C4 H10 108.816
O2 S1 C3 106.755 O2 S1 C4 106.755
C3 S1 C4 96.106 H5 C3 H7 109.871
H5 C3 H9 111.190 H6 C4 H8 109.871
H6 C4 H10 111.190 H7 C3 H9 109.636
H8 C4 H10 109.636
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability