return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: M06-2X/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 M06-2X/6-31G*
 hartrees
Energy at 0K-553.065703
Energy at 298.15K-553.072633
HF Energy-553.065703
Nuclear repulsion energy183.369709
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 M06-2X/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' 3207 3037 2.30 111.53 0.70 0.82
2 A' 3199 3030 7.33 101.05 0.74 0.85
3 A' 3095 2931 4.59 204.90 0.00 0.01
4 A' 1510 1430 23.76 3.06 0.74 0.85
5 A' 1484 1406 3.37 26.16 0.73 0.84
6 A' 1377 1304 10.86 0.57 0.74 0.85
7 A' 1126 1066 124.90 6.83 0.46 0.63
8 A' 1048 992 23.22 6.85 0.64 0.78
9 A' 983 931 10.56 7.87 0.74 0.85
10 A' 685 649 8.10 28.34 0.12 0.22
11 A' 368 348 9.02 1.12 0.27 0.43
12 A' 292 277 0.93 1.51 0.73 0.84
13 A' 240 227 0.63 0.06 0.44 0.61
14 A" 3207 3037 1.18 39.13 0.75 0.86
15 A" 3196 3027 0.00 6.79 0.75 0.86
16 A" 3094 2930 2.47 0.36 0.75 0.86
17 A" 1490 1411 0.78 32.03 0.75 0.86
18 A" 1470 1392 10.39 4.58 0.75 0.86
19 A" 1353 1281 2.32 1.07 0.75 0.86
20 A" 953 903 6.66 6.18 0.75 0.86
21 A" 913 864 3.31 0.49 0.75 0.86
22 A" 714 676 17.96 16.80 0.75 0.86
23 A" 302 286 8.70 3.17 0.75 0.86
24 A" 181 172 0.00 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17742.7 cm-1
Scaled (by 0.947) Zero Point Vibrational Energy (zpe) 16802.3 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 M06-2X/6-31G*
ABC
0.22948 0.22908 0.13892

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.259 0.431 0.000
O2 -1.097 1.077 0.000
C3 0.259 -0.787 1.346
C4 0.259 -0.787 -1.346
H5 1.175 -1.384 1.315
H6 1.175 -1.384 -1.315
H7 0.208 -0.232 2.284
H8 0.208 -0.232 -2.284
H9 -0.626 -1.420 1.248
H10 -0.626 -1.420 -1.248

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.50241.81531.81532.42112.42112.37872.37872.40232.4023
O21.50242.66952.66953.59803.59802.93822.93822.83142.8314
C31.81532.66952.69151.09282.87671.09123.67221.09302.8133
C41.81532.66952.69152.87671.09283.67221.09122.81331.0930
H52.42113.59801.09282.87672.63101.78833.90071.80233.1332
H62.42113.59802.87671.09282.63103.90071.78833.13321.8023
H72.37872.93821.09123.67221.78833.90074.56771.78343.8190
H82.37872.93823.67221.09123.90071.78834.56773.81901.7834
H92.40232.83141.09302.81331.80233.13321.78343.81902.4967
H102.40232.83142.81331.09303.13321.80233.81901.78342.4967

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 110.230 S1 C3 H7 107.208
S1 C3 H9 108.833 S1 C4 H6 110.230
S1 C4 H8 107.208 S1 C4 H10 108.833
O2 S1 C3 106.764 O2 S1 C4 106.764
C3 S1 C4 95.690 H5 C3 H7 109.928
H5 C3 H9 111.082 H6 C4 H8 109.928
H6 C4 H10 111.082 H7 C3 H9 109.471
H8 C4 H10 109.471
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.781      
2 O -0.663      
3 C -0.676      
4 C -0.676      
5 H 0.189      
6 H 0.189      
7 H 0.219      
8 H 0.219      
9 H 0.209      
10 H 0.209      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.612 -3.124 0.000 4.072
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.041 2.374 0.000
y 2.374 -33.876 0.000
z 0.000 0.000 -28.423
Traceless
 xyz
x -3.891 2.374 0.000
y 2.374 -2.144 0.000
z 0.000 0.000 6.036
Polar
3z2-r212.071
x2-y2-1.165
xy2.374
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.619 -0.796 0.000
y -0.796 6.185 0.000
z 0.000 0.000 6.878


<r2> (average value of r2) Å2
<r2> 101.812
(<r2>)1/2 10.090