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

using model chemistry: MP2/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2/6-31G
 hartrees
Energy at 0K-551.764931
Energy at 298.15K-551.771416
HF Energy-551.389334
Nuclear repulsion energy173.566906
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 MP2/6-31G
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' 3225 3086 2.06 93.99 0.71 0.83
2 A' 3215 3076 7.36 91.25 0.74 0.85
3 A' 3093 2959 8.90 183.50 0.00 0.01
4 A' 1541 1474 27.68 4.19 0.72 0.84
5 A' 1523 1458 5.52 26.35 0.72 0.84
6 A' 1422 1361 3.16 0.32 0.43 0.60
7 A' 1072 1026 21.21 10.67 0.67 0.80
8 A' 1039 994 14.57 7.97 0.75 0.86
9 A' 834 798 67.96 4.92 0.68 0.81
10 A' 612 585 7.40 45.50 0.10 0.18
11 A' 303 290 7.10 2.45 0.38 0.55
12 A' 244 233 2.77 3.12 0.71 0.83
13 A' 185 177 1.11 0.06 0.33 0.49
14 A" 3225 3085 0.89 36.99 0.75 0.86
15 A" 3213 3074 0.02 6.37 0.75 0.86
16 A" 3093 2959 4.86 0.99 0.75 0.86
17 A" 1526 1460 2.65 34.02 0.75 0.86
18 A" 1511 1446 10.82 5.20 0.75 0.86
19 A" 1398 1338 0.04 0.46 0.75 0.86
20 A" 995 952 0.48 9.84 0.75 0.86
21 A" 958 916 0.83 1.68 0.75 0.86
22 A" 657 628 11.25 25.95 0.75 0.86
23 A" 226 217 9.37 6.38 0.75 0.86
24 A" 139 133 0.11 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17623.2 cm-1
Scaled (by 0.9568) Zero Point Vibrational Energy (zpe) 16861.9 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 MP2/6-31G
ABC
0.20706 0.20277 0.12476

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.293 0.438 0.000
O2 -1.240 1.119 0.000
C3 0.293 -0.816 1.419
C4 0.293 -0.816 -1.419
H5 1.201 -1.424 1.356
H6 1.201 -1.424 -1.356
H7 0.271 -0.238 2.346
H8 0.271 -0.238 -2.346
H9 -0.614 -1.424 1.332
H10 -0.614 -1.424 -1.332

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.67701.89411.89412.47642.47642.44182.44182.46242.4624
O21.67702.84742.84743.77673.77673.10323.10322.93812.9381
C31.89412.84742.83791.09452.98231.09303.80941.09482.9592
C41.89412.84742.83792.98231.09453.80941.09302.95921.0948
H52.47643.77671.09452.98232.71201.80333.99721.81443.2427
H62.47643.77672.98231.09452.71203.99721.80333.24271.8144
H72.44183.10321.09303.80941.80333.99724.69241.79423.9644
H82.44183.10323.80941.09303.99721.80334.69243.96441.7942
H92.46242.93811.09482.95921.81443.24271.79423.96442.6633
H102.46242.93812.95921.09483.24271.81443.96441.79422.6633

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 108.959 S1 C3 H7 106.565
S1 C3 H9 107.937 S1 C4 H6 108.959
S1 C4 H8 106.565 S1 C4 H10 107.937
O2 S1 C3 105.596 O2 S1 C4 105.596
C3 S1 C4 97.036 H5 C3 H7 111.046
H5 C3 H9 111.945 H6 C4 H8 111.046
H6 C4 H10 111.945 H7 C3 H9 110.185
H8 C4 H10 110.185
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability