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

using model chemistry: B3LYP/CEP-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 B3LYP/CEP-31G
 hartrees
Energy at 0K-40.879452
Energy at 298.15K-40.885729
HF Energy-40.879452
Nuclear repulsion energy68.254476
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 B3LYP/CEP-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' 3205 3103 13.83 93.05 0.71 0.83
2 A' 3195 3094 40.71 109.36 0.74 0.85
3 A' 3064 2967 23.76 275.16 0.01 0.01
4 A' 1473 1426 29.01 2.65 0.69 0.81
5 A' 1453 1407 7.43 19.65 0.74 0.85
6 A' 1357 1314 3.15 6.85 0.08 0.14
7 A' 1027 995 26.20 14.76 0.69 0.82
8 A' 998 966 16.03 8.27 0.71 0.83
9 A' 725 702 25.07 8.71 0.61 0.76
10 A' 578 560 7.23 63.49 0.10 0.18
11 A' 283 274 5.04 6.35 0.51 0.68
12 A' 232 225 1.77 4.82 0.75 0.85
13 A' 169 164 0.41 0.20 0.61 0.76
14 A" 3202 3101 5.94 41.15 0.75 0.86
15 A" 3192 3091 0.00 20.04 0.75 0.86
16 A" 3063 2966 16.51 2.53 0.75 0.86
17 A" 1460 1414 1.12 23.69 0.75 0.86
18 A" 1442 1397 13.60 3.79 0.75 0.86
19 A" 1331 1289 0.00 0.75 0.75 0.86
20 A" 954 924 0.21 18.08 0.75 0.86
21 A" 912 883 2.36 1.56 0.75 0.86
22 A" 614 594 5.16 40.55 0.75 0.86
23 A" 241 234 8.65 9.11 0.75 0.86
24 A" 122 118 0.03 0.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17146.2 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 16604.4 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 B3LYP/CEP-31G
ABC
0.20057 0.19743 0.12312

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.308 0.458 0.000
O2 -1.302 1.053 0.000
C3 0.308 -0.807 1.446
C4 0.308 -0.807 -1.446
H5 1.261 -1.359 1.457
H6 1.261 -1.359 -1.457
H7 0.188 -0.207 2.358
H8 0.188 -0.207 -2.358
H9 -0.558 -1.469 1.304
H10 -0.558 -1.469 -1.304

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.71621.92161.92162.51662.51662.45352.45352.48302.4830
O21.71622.85352.85353.80883.80883.06073.06072.93512.9351
C31.92162.85352.89281.10133.10531.09793.85361.09942.9586
C41.92162.85352.89283.10531.10133.85361.09792.95861.0994
H52.51663.80881.10133.10532.91411.81404.12741.82843.3080
H62.51663.80883.10531.10132.91414.12741.81403.30801.8284
H72.45353.06071.09793.85361.81404.12744.71671.80533.9446
H82.45353.06073.85361.09794.12741.81404.71673.94461.8053
H92.48302.93511.09942.95861.82843.30801.80533.94462.6080
H102.48302.93512.95861.09943.30801.82843.94461.80532.6080

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 109.712 S1 C3 H7 105.412
S1 C3 H9 107.407 S1 C4 H6 109.712
S1 C4 H8 105.412 S1 C4 H10 107.407
O2 S1 C3 103.183 O2 S1 C4 103.183
C3 S1 C4 97.650 H5 C3 H7 111.144
H5 C3 H9 112.371 H6 C4 H8 111.144
H6 C4 H10 112.371 H7 C3 H9 110.489
H8 C4 H10 110.489
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.491      
2 O -0.599      
3 C -0.545      
4 C -0.545      
5 H 0.171      
6 H 0.171      
7 H 0.224      
8 H 0.224      
9 H 0.204      
10 H 0.204      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  3.733 -3.949 0.000 5.434
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -36.179 3.194 0.000
y 3.194 -33.967 0.000
z 0.000 0.000 -27.352
Traceless
 xyz
x -5.520 3.194 0.000
y 3.194 -2.201 0.000
z 0.000 0.000 7.721
Polar
3z2-r215.442
x2-y2-2.212
xy3.194
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.216 -1.362 0.000
y -1.362 6.559 0.000
z 0.000 0.000 7.616


<r2> (average value of r2) Å2
<r2> 92.391
(<r2>)1/2 9.612