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

using model chemistry: HF/6-31G(2df,p)

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/6-31G(2df,p)
 hartrees
Energy at 0K-551.577878
Energy at 298.15K-551.585124
HF Energy-551.577878
Nuclear repulsion energy186.114176
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/6-31G(2df,p)
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' 3289 2978 6.59 95.57 0.71 0.83
2 A' 3283 2973 17.72 99.97 0.74 0.85
3 A' 3185 2884 8.94 195.05 0.00 0.01
4 A' 1598 1447 14.49 2.18 0.75 0.86
5 A' 1576 1427 2.98 18.09 0.73 0.85
6 A' 1481 1341 7.02 0.64 0.23 0.38
7 A' 1210 1096 153.75 5.89 0.46 0.63
8 A' 1125 1018 23.88 3.48 0.52 0.68
9 A' 1052 953 12.32 4.48 0.74 0.85
10 A' 735 666 2.99 28.62 0.11 0.19
11 A' 402 364 9.95 0.78 0.23 0.37
12 A' 310 281 0.66 1.14 0.67 0.81
13 A' 255 231 0.57 0.03 0.58 0.74
14 A" 3287 2977 3.79 37.38 0.75 0.86
15 A" 3278 2968 0.42 9.89 0.75 0.86
16 A" 3181 2881 8.08 0.33 0.75 0.86
17 A" 1579 1430 0.42 20.68 0.75 0.86
18 A" 1563 1415 6.62 4.06 0.75 0.86
19 A" 1459 1321 0.09 0.04 0.75 0.86
20 A" 1022 925 12.09 3.19 0.75 0.86
21 A" 971 879 1.72 0.23 0.75 0.86
22 A" 771 698 11.27 13.90 0.75 0.86
23 A" 349 316 11.95 1.87 0.75 0.86
24 A" 206 187 0.00 0.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18582.8 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 16826.7 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 HF/6-31G(2df,p)
ABC
0.24172 0.23036 0.14211

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.251 0.415 0.000
O2 -1.065 1.052 0.000
C3 0.251 -0.764 1.351
C4 0.251 -0.764 -1.351
H5 1.161 -1.353 1.331
H6 1.161 -1.353 -1.331
H7 0.206 -0.194 2.270
H8 0.206 -0.194 -2.270
H9 -0.623 -1.399 1.275
H10 -0.623 -1.399 -1.275

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.46251.79311.79312.39282.39282.35042.35042.38382.3838
O21.46252.61862.61863.53733.53732.88442.88442.79852.7985
C31.79312.61862.70171.08392.89291.08243.66551.08332.8400
C41.79312.61862.70172.89291.08393.66551.08242.84001.0833
H52.39283.53731.08392.89292.66271.77093.90171.78593.1594
H62.39283.53732.89291.08392.66273.90171.77093.15941.7859
H72.35042.88441.08243.66551.77093.90174.53941.76893.8352
H82.35042.88443.66551.08243.90171.77094.53943.83521.7689
H92.38382.79851.08332.84001.78593.15941.76893.83522.5509
H102.38382.79852.84001.08333.15941.78593.83521.76892.5509

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 110.089 S1 C3 H7 107.039
S1 C3 H9 109.453 S1 C4 H6 110.089
S1 C4 H8 107.039 S1 C4 H10 109.453
O2 S1 C3 106.652 O2 S1 C4 106.652
C3 S1 C4 97.766 H5 C3 H7 109.658
H5 C3 H9 110.986 H6 C4 H8 109.658
H6 C4 H10 110.986 H7 C3 H9 109.530
H8 C4 H10 109.530
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.549      
2 O -0.558      
3 C -0.511      
4 C -0.511      
5 H 0.159      
6 H 0.159      
7 H 0.183      
8 H 0.183      
9 H 0.174      
10 H 0.174      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.527 -3.257 0.000 4.122
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.097 2.260 0.000
y 2.260 -33.734 0.000
z 0.000 0.000 -28.088
Traceless
 xyz
x -4.186 2.260 0.000
y 2.260 -2.142 0.000
z 0.000 0.000 6.327
Polar
3z2-r212.654
x2-y2-1.363
xy2.260
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.508 -0.551 0.000
y -0.551 6.057 0.000
z 0.000 0.000 6.874


<r2> (average value of r2) Å2
<r2> 99.849
(<r2>)1/2 9.992