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

using model chemistry: MP2=FULL/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-552.546248
Energy at 298.15K-552.553256
HF Energy-551.653601
Nuclear repulsion energy184.862618
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/aug-cc-pVTZ
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' 3193 3038 1.04 83.37 0.71 0.83
2 A' 3185 3031 3.71 81.06 0.73 0.85
3 A' 3089 2939 5.86 308.54 0.00 0.00
4 A' 1506 1433 18.12 0.75 0.69 0.82
5 A' 1482 1410 4.57 7.48 0.69 0.82
6 A' 1350 1284 11.68 4.53 0.03 0.06
7 A' 1113 1059 148.17 12.44 0.36 0.53
8 A' 1040 989 14.83 0.48 0.66 0.79
9 A' 970 923 5.74 0.75 0.69 0.81
10 A' 694 660 7.69 30.06 0.10 0.18
11 A' 375 357 6.97 1.71 0.20 0.34
12 A' 292 278 0.43 2.81 0.74 0.85
13 A' 250 238 0.30 0.06 0.53 0.69
14 A" 3192 3037 0.23 30.44 0.75 0.86
15 A" 3182 3027 0.01 8.12 0.75 0.86
16 A" 3088 2938 1.95 0.95 0.75 0.86
17 A" 1483 1411 0.00 8.03 0.75 0.86
18 A" 1465 1394 9.26 0.53 0.75 0.86
19 A" 1327 1263 2.72 0.93 0.75 0.86
20 A" 941 895 6.77 0.49 0.75 0.86
21 A" 903 860 2.79 0.39 0.75 0.86
22 A" 716 681 14.10 13.57 0.75 0.86
23 A" 318 303 8.50 3.62 0.75 0.86
24 A" 180 172 0.00 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17667.1 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 16808.5 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/aug-cc-pVTZ
ABC
0.23355 0.23301 0.14223

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.262 0.430 0.000
O2 -1.107 1.049 0.000
C3 0.262 -0.776 1.331
C4 0.262 -0.776 -1.331
H5 1.175 -1.363 1.296
H6 1.175 -1.363 -1.296
H7 0.207 -0.219 2.260
H8 0.207 -0.219 -2.260
H9 -0.620 -1.399 1.215
H10 -0.620 -1.399 -1.215

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.50191.79621.79622.39362.39362.35192.35192.36672.3667
O21.50192.64092.64093.56423.56422.90532.90532.77602.7760
C31.79622.64092.66211.08632.84281.08483.63451.08632.7658
C41.79622.64092.66212.84281.08633.63451.08482.76581.0863
H52.39363.56421.08632.84282.59241.78193.85911.79783.0875
H62.39363.56422.84281.08632.59243.85911.78193.08751.7978
H72.35192.90531.08483.63451.78193.85914.52011.78063.7625
H82.35192.90533.63451.08483.85911.78194.52013.76251.7806
H92.36672.77601.08632.76581.79783.08751.78063.76252.4304
H102.36672.77602.76581.08633.08751.79783.76251.78062.4304

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 109.813 S1 C3 H7 106.834
S1 C3 H9 107.831 S1 C4 H6 109.813
S1 C4 H8 106.834 S1 C4 H10 107.831
O2 S1 C3 106.058 O2 S1 C4 106.058
C3 S1 C4 95.640 H5 C3 H7 110.321
H5 C3 H9 111.684 H6 C4 H8 110.321
H6 C4 H10 111.684 H7 C3 H9 110.208
H8 C4 H10 110.208
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability