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

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at mPW1PW91/6-31G**
 hartrees
Energy at 0K-553.158911
Energy at 298.15K-553.165822
HF Energy-553.158911
Nuclear repulsion energy183.107424
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 mPW1PW91/6-31G**
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' 3200 3045 2.59 106.58 0.70 0.82
2 A' 3192 3037 8.73 101.71 0.75 0.86
3 A' 3080 2931 5.52 218.36 0.00 0.00
4 A' 1493 1421 23.51 2.81 0.74 0.85
5 A' 1469 1398 3.77 24.94 0.73 0.84
6 A' 1364 1298 11.43 0.59 0.63 0.77
7 A' 1133 1078 123.21 7.18 0.42 0.59
8 A' 1040 990 24.18 5.94 0.61 0.76
9 A' 976 929 9.65 7.30 0.74 0.85
10 A' 668 636 9.24 24.85 0.12 0.21
11 A' 367 349 7.73 1.29 0.28 0.43
12 A' 288 274 0.69 1.56 0.71 0.83
13 A' 234 223 0.50 0.07 0.55 0.71
14 A" 3200 3045 1.43 39.49 0.75 0.86
15 A" 3189 3034 0.05 7.94 0.75 0.86
16 A" 3079 2930 3.26 0.08 0.75 0.86
17 A" 1473 1402 0.61 30.38 0.75 0.86
18 A" 1454 1384 11.30 3.80 0.75 0.86
19 A" 1340 1275 3.37 1.26 0.75 0.86
20 A" 945 899 7.85 5.68 0.75 0.86
21 A" 903 859 3.02 0.87 0.75 0.86
22 A" 697 663 20.15 14.58 0.75 0.86
23 A" 304 289 7.74 3.17 0.75 0.86
24 A" 182 173 0.00 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17635.0 cm-1
Scaled (by 0.9515) Zero Point Vibrational Energy (zpe) 16779.7 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 mPW1PW91/6-31G**
ABC
0.22926 0.22806 0.13770

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.256 0.425 0.000
O2 -1.087 1.099 0.000
C3 0.256 -0.791 1.350
C4 0.256 -0.791 -1.350
H5 1.173 -1.383 1.321
H6 1.173 -1.383 -1.321
H7 0.211 -0.231 2.285
H8 0.211 -0.231 -2.285
H9 -0.625 -1.431 1.267
H10 -0.625 -1.431 -1.267

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.50271.81681.81682.41942.41942.37742.37742.41312.4131
O21.50272.68312.68313.60743.60742.94492.94492.86682.8668
C31.81682.68312.70021.09192.88511.09033.67791.09182.8341
C41.81682.68312.70022.88511.09193.67791.09032.83411.0918
H52.41943.60741.09192.88512.64121.78403.90531.79923.1508
H62.41943.60742.88511.09192.64123.90531.78403.15081.7992
H72.37742.94491.09033.67791.78403.90534.56921.78123.8401
H82.37742.94493.67791.09033.90531.78404.56923.84011.7812
H92.41312.86681.09182.83411.79923.15081.78123.84012.5331
H102.41312.86682.83411.09183.15081.79923.84011.78122.5331

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 110.047 S1 C3 H7 107.062
S1 C3 H9 109.587 S1 C4 H6 110.047
S1 C4 H8 107.062 S1 C4 H10 109.587
O2 S1 C3 107.479 O2 S1 C4 107.479
C3 S1 C4 95.993 H5 C3 H7 109.679
H5 C3 H9 110.956 H6 C4 H8 109.679
H6 C4 H10 110.956 H7 C3 H9 109.425
H8 C4 H10 109.425
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.772      
2 O -0.639      
3 C -0.594      
4 C -0.594      
5 H 0.160      
6 H 0.160      
7 H 0.187      
8 H 0.187      
9 H 0.181      
10 H 0.181      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.445 -3.160 0.000 3.995
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.632 2.259 0.000
y 2.259 -33.666 0.000
z 0.000 0.000 -28.162
Traceless
 xyz
x -3.718 2.259 0.000
y 2.259 -2.269 0.000
z 0.000 0.000 5.987
Polar
3z2-r211.974
x2-y2-0.966
xy2.259
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.631 -0.810 0.000
y -0.810 6.266 0.000
z 0.000 0.000 6.911


<r2> (average value of r2) Å2
<r2> 102.087
(<r2>)1/2 10.104