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

using model chemistry: HF/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 HF/3-21G*
 hartrees
Energy at 0K-548.846661
Energy at 298.15K-548.853913
HF Energy-548.846661
Nuclear repulsion energy185.016673
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 HF/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' 3295 2974 9.04 111.21 0.75 0.86
2 A' 3290 2970 4.82 105.07 0.72 0.84
3 A' 3208 2896 6.00 187.03 0.00 0.01
4 A' 1650 1489 34.06 3.48 0.75 0.86
5 A' 1627 1469 4.38 31.80 0.73 0.84
6 A' 1548 1397 18.53 1.28 0.73 0.84
7 A' 1179 1064 73.57 4.22 0.38 0.55
8 A' 1167 1054 44.51 6.48 0.60 0.75
9 A' 1064 960 45.74 9.50 0.72 0.83
10 A' 735 664 7.28 32.95 0.11 0.21
11 A' 401 362 12.20 1.12 0.30 0.46
12 A' 325 293 1.49 1.15 0.71 0.83
13 A' 251 227 1.16 0.07 0.64 0.78
14 A" 3292 2971 1.71 34.76 0.75 0.86
15 A" 3288 2968 0.54 13.68 0.75 0.86
16 A" 3205 2893 5.38 0.92 0.75 0.86
17 A" 1632 1473 2.22 41.40 0.75 0.86
18 A" 1613 1456 15.98 5.66 0.75 0.86
19 A" 1529 1380 11.15 1.54 0.75 0.86
20 A" 1065 961 8.48 6.63 0.75 0.86
21 A" 1023 923 3.34 0.71 0.75 0.86
22 A" 774 699 25.52 17.83 0.75 0.86
23 A" 330 298 11.63 2.90 0.75 0.86
24 A" 204 184 0.00 0.04 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18846.8 cm-1
Scaled (by 0.9026) Zero Point Vibrational Energy (zpe) 17011.1 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 HF/3-21G*
ABC
0.23399 0.23353 0.14027

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

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.253 0.413 0.000
O2 -1.071 1.097 0.000
C3 0.253 -0.778 1.337
C4 0.253 -0.778 -1.337
H5 1.158 -1.371 1.312
H6 1.158 -1.371 -1.312
H7 0.208 -0.233 2.271
H8 0.208 -0.233 -2.271
H9 -0.618 -1.419 1.269
H10 -0.618 -1.419 -1.269

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.49021.79071.79072.39252.39252.36182.36182.39222.3922
O21.49022.65632.65633.57523.57522.92642.92642.85352.8535
C31.79072.65632.67411.08252.86201.08223.64941.08292.8211
C41.79072.65632.67412.86201.08253.64941.08222.82111.0829
H52.39253.57521.08252.86202.62491.76523.87801.77733.1336
H62.39253.57522.86201.08252.62493.87801.76523.13361.7773
H72.36182.92641.08223.64941.76523.87804.54231.75813.8232
H82.36182.92643.64941.08223.87801.76524.54233.82321.7581
H92.39222.85351.08292.82111.77733.13361.75813.82322.5376
H102.39222.85352.82111.08293.13361.77733.82321.75812.5376

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 110.311 S1 C3 H7 108.041
S1 C3 H9 110.266 S1 C4 H6 110.311
S1 C4 H8 108.041 S1 C4 H10 110.266
O2 S1 C3 107.770 O2 S1 C4 107.770
C3 S1 C4 96.605 H5 C3 H7 109.258
H5 C3 H9 110.326 H6 C4 H8 109.258
H6 C4 H10 110.326 H7 C3 H9 108.584
H8 C4 H10 108.584
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.997      
2 O -0.684      
3 C -0.880      
4 C -0.880      
5 H 0.223      
6 H 0.223      
7 H 0.253      
8 H 0.253      
9 H 0.247      
10 H 0.247      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.781 -3.245 0.000 4.273
CHELPG 4.028 -1.239 0.000 4.214
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.688 2.860 0.000
y 2.860 -34.654 0.000
z 0.000 0.000 -28.854
Traceless
 xyz
x -3.934 2.860 0.000
y 2.860 -2.383 0.000
z 0.000 0.000 6.316
Polar
3z2-r212.633
x2-y2-1.034
xy2.860
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.860 -0.742 0.000
y -0.742 5.376 0.000
z 0.000 0.000 6.073


<r2> (average value of r2) Å2
<r2> 101.098
(<r2>)1/2 10.055