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

using model chemistry: PBEPBE/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBEPBE/3-21G
 hartrees
Energy at 0K-549.955580
Energy at 298.15K-549.961764
HF Energy-549.955580
Nuclear repulsion energy171.701804
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 PBEPBE/3-21G
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' 3135 3106 1.71 100.95 0.71 0.83
2 A' 3131 3102 8.38 87.36 0.75 0.86
3 A' 3010 2983 3.80 184.13 0.00 0.01
4 A' 1485 1472 29.20 2.75 0.73 0.84
5 A' 1462 1449 5.58 28.16 0.72 0.83
6 A' 1296 1285 7.98 0.23 0.72 0.84
7 A' 975 966 41.09 6.55 0.71 0.83
8 A' 958 949 9.82 9.09 0.56 0.72
9 A' 871 863 22.10 11.52 0.67 0.80
10 A' 511 506 13.43 32.18 0.09 0.17
11 A' 295 292 3.71 3.00 0.38 0.55
12 A' 245 243 0.84 2.98 0.74 0.85
13 A' 168 167 0.59 0.23 0.58 0.73
14 A" 3134 3105 3.01 27.52 0.75 0.86
15 A" 3127 3099 0.06 4.57 0.75 0.86
16 A" 3009 2982 2.06 0.57 0.75 0.86
17 A" 1467 1454 1.19 36.48 0.75 0.86
18 A" 1447 1434 13.68 4.26 0.75 0.86
19 A" 1269 1257 1.34 0.23 0.75 0.86
20 A" 886 878 2.13 7.42 0.75 0.86
21 A" 854 846 1.26 2.56 0.75 0.86
22 A" 520 515 20.25 19.14 0.75 0.86
23 A" 231 229 2.15 5.93 0.75 0.86
24 A" 115 114 0.01 0.05 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 16799.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 16646.9 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 PBEPBE/3-21G
ABC
0.21020 0.19002 0.12010

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.492 0.229 0.000
O2 -0.275 1.676 0.000
C3 -0.275 -0.888 1.412
C4 -0.275 -0.888 -1.412
H5 0.163 -1.891 1.303
H6 0.163 -1.891 -1.303
H7 0.016 -0.423 2.364
H8 0.016 -0.423 -2.364
H9 -1.368 -0.894 1.292
H10 -1.368 -0.894 -1.292

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.63791.95681.95682.51042.51042.49812.49812.52762.5276
O21.63792.92742.92743.82343.82343.17473.17473.07733.0773
C31.95682.92742.82441.10012.92791.09883.81611.09982.9171
C41.95682.92742.82442.92791.10013.81611.09882.91711.0998
H52.51043.82341.10012.92792.60681.81783.95351.82753.1744
H62.51043.82342.92791.10012.60683.95351.81783.17441.8275
H72.49813.17471.09883.81611.81783.95354.72851.81263.9378
H82.49813.17473.81611.09883.95351.81784.72853.93781.8126
H92.52763.07731.09982.91711.82753.17441.81263.93782.5845
H102.52763.07732.91711.09983.17441.82753.93781.81262.5845

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 107.052 S1 C3 H7 106.258
S1 C3 H9 108.275 S1 C4 H6 107.052
S1 C4 H8 106.258 S1 C4 H10 108.275
O2 S1 C3 108.727 O2 S1 C4 108.727
C3 S1 C4 92.386 H5 C3 H7 111.521
H5 C3 H9 112.345 H6 C4 H8 111.521
H6 C4 H10 112.345 H7 C3 H9 111.064
H8 C4 H10 111.064
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.798      
2 O -0.529      
3 C -0.864      
4 C -0.864      
5 H 0.230      
6 H 0.230      
7 H 0.252      
8 H 0.252      
9 H 0.248      
10 H 0.248      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.149 -3.537 0.000 3.540
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.687 0.819 0.000
y 0.819 -36.768 0.000
z 0.000 0.000 -29.689
Traceless
 xyz
x 0.542 0.819 0.000
y 0.819 -5.580 0.000
z 0.000 0.000 5.038
Polar
3z2-r210.076
x2-y24.081
xy0.819
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.683 0.062 0.000
y 0.062 7.584 0.000
z 0.000 0.000 7.239


<r2> (average value of r2) Å2
<r2> 113.553
(<r2>)1/2 10.656