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

using model chemistry: MP2=FULL/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=FULL/6-31G*
 hartrees
Energy at 0K-552.136311
Energy at 298.15K-552.143330
HF Energy-551.535964
Nuclear repulsion energy183.432091
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/6-31G*
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' 3233 3047 2.44 97.49 0.72 0.83
2 A' 3225 3038 6.63 91.42 0.74 0.85
3 A' 3112 2932 4.81 182.01 0.00 0.01
4 A' 1540 1451 23.62 2.93 0.74 0.85
5 A' 1515 1428 3.38 25.01 0.73 0.84
6 A' 1420 1338 12.00 0.71 0.74 0.85
7 A' 1152 1086 130.59 5.48 0.46 0.63
8 A' 1076 1014 22.99 6.82 0.61 0.76
9 A' 1012 953 12.06 7.84 0.73 0.85
10 A' 702 661 10.29 26.64 0.11 0.20
11 A' 378 356 8.58 1.30 0.26 0.41
12 A' 302 284 0.85 1.46 0.75 0.85
13 A' 247 232 0.62 0.08 0.55 0.71
14 A" 3233 3046 1.12 34.79 0.75 0.86
15 A" 3222 3035 0.00 6.12 0.75 0.86
16 A" 3111 2931 2.13 0.34 0.75 0.86
17 A" 1520 1432 0.90 31.06 0.75 0.86
18 A" 1501 1414 11.00 4.30 0.75 0.86
19 A" 1398 1317 4.07 1.34 0.75 0.86
20 A" 982 925 6.64 5.99 0.75 0.86
21 A" 943 888 2.53 0.81 0.75 0.86
22 A" 732 690 21.29 15.34 0.75 0.86
23 A" 304 287 8.24 3.43 0.75 0.86
24 A" 185 174 0.00 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18020.8 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 16979.2 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/6-31G*
ABC
0.23170 0.22804 0.13871

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.258 0.423 0.000
O2 -1.093 1.096 0.000
C3 0.258 -0.788 1.340
C4 0.258 -0.788 -1.340
H5 1.168 -1.392 1.305
H6 1.168 -1.392 -1.305
H7 0.219 -0.235 2.280
H8 0.219 -0.235 -2.280
H9 -0.630 -1.418 1.256
H10 -0.630 -1.418 -1.256

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.50991.80621.80622.41352.41352.37302.37302.39972.3997
O21.50992.67802.67803.60653.60652.94812.94812.84842.8484
C31.80622.67802.68001.09272.86151.09113.66191.09272.8155
C41.80622.67802.68002.86151.09273.66191.09112.81551.0927
H52.41353.60651.09272.86152.60981.78583.88431.79963.1297
H62.41353.60652.86151.09272.60983.88431.78583.12971.7996
H72.37302.94811.09113.66191.78583.88434.55931.78053.8242
H82.37302.94813.66191.09113.88431.78584.55933.82421.7805
H92.39972.84841.09272.81551.79963.12971.78053.82422.5123
H102.39972.84842.81551.09273.12971.79963.82421.78052.5123

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 110.286 S1 C3 H7 107.393
S1 C3 H9 109.262 S1 C4 H6 110.286
S1 C4 H8 107.393 S1 C4 H10 109.262
O2 S1 C3 107.381 O2 S1 C4 107.381
C3 S1 C4 95.780 H5 C3 H7 109.724
H5 C3 H9 110.863 H6 C4 H8 109.724
H6 C4 H10 110.863 H7 C3 H9 109.240
H8 C4 H10 109.240
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability