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

using model chemistry: mPW1PW91/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31+G**
 hartrees
Energy at 0K-553.169239
Energy at 298.15K-553.176147
HF Energy-553.169239
Nuclear repulsion energy182.978639
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 mPW1PW91/6-31+G**
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' 3199 3045 1.89 100.95 0.72 0.84
2 A' 3189 3035 7.21 105.17 0.75 0.86
3 A' 3078 2929 7.27 274.48 0.00 0.00
4 A' 1483 1411 27.84 1.48 0.65 0.79
5 A' 1462 1391 5.88 14.18 0.69 0.82
6 A' 1360 1294 11.96 3.24 0.03 0.06
7 A' 1099 1046 151.40 11.04 0.47 0.64
8 A' 1038 988 18.25 1.54 0.70 0.82
9 A' 972 925 12.31 3.52 0.75 0.86
10 A' 667 635 7.64 28.90 0.16 0.28
11 A' 367 349 8.57 1.78 0.19 0.32
12 A' 285 271 0.43 2.77 0.73 0.85
13 A' 230 219 0.40 0.10 0.74 0.85
14 A" 3199 3045 0.44 44.82 0.75 0.86
15 A" 3186 3033 0.06 10.22 0.75 0.86
16 A" 3076 2928 4.57 0.69 0.75 0.86
17 A" 1465 1394 0.05 17.02 0.75 0.86
18 A" 1447 1377 13.36 1.51 0.75 0.86
19 A" 1337 1272 3.92 0.10 0.75 0.86
20 A" 944 898 7.29 1.67 0.75 0.86
21 A" 904 861 2.29 0.02 0.75 0.86
22 A" 698 665 18.22 19.31 0.75 0.86
23 A" 311 296 9.20 4.87 0.75 0.86
24 A" 181 172 0.00 0.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17588.2 cm-1
Scaled (by 0.9518) Zero Point Vibrational Energy (zpe) 16740.5 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 mPW1PW91/6-31+G**
ABC
0.22924 0.22747 0.13787

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/6-31+G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.259 0.424 0.000
O2 -1.098 1.084 0.000
C3 0.259 -0.785 1.355
C4 0.259 -0.785 -1.355
H5 1.180 -1.371 1.332
H6 1.180 -1.371 -1.332
H7 0.206 -0.220 2.286
H8 0.206 -0.220 -2.286
H9 -0.619 -1.428 1.267
H10 -0.619 -1.428 -1.267

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.50901.81591.81592.41792.41792.37542.37542.40912.4091
O21.50902.67782.67783.60473.60472.93672.93672.85342.8534
C31.81592.67782.71041.09232.90081.09033.68521.09202.8387
C41.81592.67782.71042.90081.09233.68521.09032.83871.0920
H52.41793.60471.09232.90082.66441.78503.92011.80163.1615
H62.41793.60472.90081.09232.66443.92011.78503.16151.8016
H72.37542.93671.09033.68521.78503.92014.57191.78313.8420
H82.37542.93673.68521.09033.92011.78504.57193.84201.7831
H92.40912.85341.09202.83871.80163.16151.78313.84202.5332
H102.40912.85342.83871.09203.16151.80163.84201.78312.5332

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 109.982 S1 C3 H7 106.975
S1 C3 H9 109.343 S1 C4 H6 109.982
S1 C4 H8 106.975 S1 C4 H10 109.343
O2 S1 C3 106.932 O2 S1 C4 106.932
C3 S1 C4 96.538 H5 C3 H7 109.733
H5 C3 H9 111.136 H6 C4 H8 109.733
H6 C4 H10 111.136 H7 C3 H9 109.579
H8 C4 H10 109.579
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.688      
2 O -0.685      
3 C -0.625      
4 C -0.625      
5 H 0.191      
6 H 0.191      
7 H 0.219      
8 H 0.219      
9 H 0.212      
10 H 0.212      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.811 -3.415 0.000 4.423
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.905 2.510 0.000
y 2.510 -34.505 0.000
z 0.000 0.000 -28.558
Traceless
 xyz
x -4.374 2.510 0.000
y 2.510 -2.273 0.000
z 0.000 0.000 6.647
Polar
3z2-r213.294
x2-y2-1.400
xy2.510
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.688 -0.875 0.000
y -0.875 7.270 0.000
z 0.000 0.000 7.807


<r2> (average value of r2) Å2
<r2> 102.613
(<r2>)1/2 10.130