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

using model chemistry: MP2=FULL/STO-3G

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/STO-3G
 hartrees
Energy at 0K-545.356178
Energy at 298.15K-545.362403
HF Energy-545.181154
Nuclear repulsion energy174.632787
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/STO-3G
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' 3557 3162 0.14 51.02 0.73 0.85
2 A' 3551 3156 1.20 41.99 0.73 0.84
3 A' 3357 2984 0.28 61.36 0.00 0.01
4 A' 1710 1520 5.43 2.27 0.68 0.81
5 A' 1700 1511 0.92 23.92 0.73 0.85
6 A' 1544 1372 1.09 1.15 0.71 0.83
7 A' 1104 981 15.86 8.85 0.61 0.75
8 A' 1053 936 8.21 7.52 0.74 0.85
9 A' 789 702 0.56 16.33 0.07 0.13
10 A' 513 456 86.02 31.38 0.12 0.22
11 A' 332 295 5.73 1.53 0.42 0.59
12 A' 279 248 3.28 3.85 0.46 0.63
13 A' 162 144 0.40 0.28 0.54 0.70
14 A" 3556 3161 0.03 12.38 0.75 0.86
15 A" 3551 3156 0.00 5.45 0.75 0.86
16 A" 3358 2985 0.70 1.37 0.75 0.86
17 A" 1707 1517 0.92 26.78 0.75 0.86
18 A" 1696 1508 2.46 6.61 0.75 0.86
19 A" 1522 1353 10.75 1.38 0.75 0.86
20 A" 1021 907 1.06 5.71 0.75 0.86
21 A" 999 888 0.73 0.31 0.75 0.86
22 A" 758 674 21.41 28.93 0.75 0.86
23 A" 262 233 3.65 5.36 0.75 0.86
24 A" 132 117 0.07 0.00 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 19105.1 cm-1
Scaled (by 0.8889) Zero Point Vibrational Energy (zpe) 16982.5 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=FULL/STO-3G
ABC
0.21415 0.20176 0.12797

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.293 0.459 0.000
O2 -1.243 1.103 0.000
C3 0.293 -0.817 1.376
C4 0.293 -0.817 -1.376
H5 1.177 -1.470 1.288
H6 1.177 -1.470 -1.288
H7 0.326 -0.284 2.341
H8 0.326 -0.284 -2.341
H9 -0.628 -1.424 1.333
H10 -0.628 -1.424 -1.333

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.66521.87651.87652.48262.48262.45662.45662.48382.4838
O21.66522.81732.81733.75993.75993.14103.14102.92232.9223
C31.87652.81732.75281.10322.88281.10273.75591.10372.9252
C41.87652.81732.75282.88281.10323.75591.10272.92521.1037
H52.48263.75991.10322.88282.57691.80033.91261.80603.1830
H62.48263.75992.88281.10322.57693.91261.80033.18301.8060
H72.45663.14101.10273.75591.80033.91264.68281.79603.9635
H82.45663.14103.75591.10273.91261.80034.68283.96351.7960
H92.48382.92231.10372.92521.80603.18301.79603.96352.6659
H102.48382.92232.92521.10373.18301.80603.96351.79602.6659

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 110.136 S1 C3 H7 108.276
S1 C3 H9 110.189 S1 C4 H6 110.136
S1 C4 H8 108.276 S1 C4 H10 110.189
O2 S1 C3 105.241 O2 S1 C4 105.241
C3 S1 C4 94.362 H5 C3 H7 109.396
H5 C3 H9 109.840 H6 C4 H8 109.396
H6 C4 H10 109.840 H7 C3 H9 108.971
H8 C4 H10 108.971
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability