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

using model chemistry: MP2/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/cc-pVDZ
 hartrees
Energy at 0K-552.174849
Energy at 298.15K-552.181706
HF Energy-551.554820
Nuclear repulsion energy182.169609
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/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' 3216 3063 3.01 105.14 0.72 0.84
2 A' 3210 3057 6.75 98.96 0.73 0.85
3 A' 3081 2935 8.27 231.39 0.00 0.01
4 A' 1476 1406 16.49 2.29 0.75 0.85
5 A' 1451 1382 4.60 19.43 0.72 0.84
6 A' 1329 1266 9.19 0.97 0.11 0.19
7 A' 1104 1052 121.62 5.23 0.58 0.73
8 A' 1021 973 15.93 3.16 0.44 0.61
9 A' 953 908 5.78 4.08 0.75 0.86
10 A' 671 640 11.54 30.10 0.10 0.18
11 A' 360 342 6.94 1.78 0.41 0.58
12 A' 283 270 0.75 2.51 0.75 0.86
13 A' 233 222 1.22 0.05 0.25 0.40
14 A" 3214 3062 0.91 42.31 0.75 0.86
15 A" 3207 3054 0.01 6.88 0.75 0.86
16 A" 3080 2934 5.30 0.57 0.75 0.86
17 A" 1457 1388 0.10 25.08 0.75 0.86
18 A" 1437 1368 7.94 3.20 0.75 0.86
19 A" 1304 1242 0.99 0.08 0.75 0.86
20 A" 917 873 5.29 3.03 0.75 0.86
21 A" 887 845 2.37 0.12 0.75 0.86
22 A" 693 661 22.39 16.47 0.75 0.86
23 A" 297 283 8.71 4.20 0.75 0.86
24 A" 167 159 0.00 0.17 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17523.9 cm-1
Scaled (by 0.9525) Zero Point Vibrational Energy (zpe) 16691.6 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/cc-pVDZ
ABC
0.22748 0.22561 0.13816

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.266 0.438 0.000
O2 -1.122 1.067 0.000
C3 0.266 -0.789 1.347
C4 0.266 -0.789 -1.347
H5 1.186 -1.397 1.325
H6 1.186 -1.397 -1.325
H7 0.207 -0.224 2.289
H8 0.207 -0.224 -2.289
H9 -0.634 -1.414 1.235
H10 -0.634 -1.414 -1.235

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.52431.82221.82222.44262.44262.38362.38362.40172.4017
O21.52432.68102.68103.62643.62642.94512.94512.81402.8140
C31.82222.68102.69341.10212.88961.10063.68001.10212.8048
C41.82222.68102.69342.88961.10213.68001.10062.80481.1021
H52.44263.62641.10212.88962.64901.80643.92311.82273.1408
H62.44263.62642.88961.10212.64903.92311.80643.14081.8227
H72.38362.94511.10063.68001.80643.92314.57811.79913.8136
H82.38362.94513.68001.10063.92311.80644.57813.81361.7991
H92.40172.81401.10212.80481.82273.14081.79913.81362.4697
H102.40172.81402.80481.10213.14081.82273.81361.79912.4697

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 110.872 S1 C3 H7 106.662
S1 C3 H9 107.875 S1 C4 H6 110.872
S1 C4 H8 106.662 S1 C4 H10 107.875
O2 S1 C3 106.130 O2 S1 C4 106.130
C3 S1 C4 95.300 H5 C3 H7 110.188
H5 C3 H9 111.566 H6 C4 H8 110.188
H6 C4 H10 111.566 H7 C3 H9 109.528
H8 C4 H10 109.528
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability