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

using model chemistry: B3LYP/CEP-121G*

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-121G*
 hartrees
Energy at 0K-41.000803
Energy at 298.15K-41.007548
HF Energy-41.000803
Nuclear repulsion energy71.264999
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-121G*
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' 3140 3043 10.36 105.08 0.70 0.83
2 A' 3131 3035 27.61 114.80 0.75 0.86
3 A' 3028 2935 14.53 260.86 0.00 0.01
4 A' 1484 1438 21.64 1.70 0.70 0.82
5 A' 1461 1417 3.63 20.63 0.71 0.83
6 A' 1351 1309 6.65 2.13 0.09 0.17
7 A' 1053 1021 112.06 7.00 0.48 0.65
8 A' 1020 989 16.60 4.27 0.65 0.79
9 A' 953 923 19.35 7.43 0.72 0.84
10 A' 625 606 8.80 35.72 0.12 0.22
11 A' 354 343 7.77 2.66 0.28 0.44
12 A' 271 263 0.47 2.91 0.70 0.83
13 A' 217 210 0.63 0.07 0.54 0.70
14 A" 3139 3043 6.33 46.11 0.75 0.86
15 A" 3126 3030 0.30 12.70 0.75 0.86
16 A" 3025 2932 11.28 0.52 0.75 0.86
17 A" 1466 1421 0.06 24.43 0.75 0.86
18 A" 1449 1404 10.65 1.76 0.75 0.86
19 A" 1326 1285 0.44 0.18 0.75 0.86
20 A" 928 899 4.29 5.24 0.75 0.86
21 A" 888 861 1.42 0.58 0.75 0.86
22 A" 654 634 17.63 22.22 0.75 0.86
23 A" 299 290 8.55 4.79 0.75 0.86
24 A" 162 157 0.00 0.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17273.5 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 16745.0 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-121G*
ABC
0.22257 0.21929 0.13382

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.265 0.439 0.000
O2 -1.121 1.086 0.000
C3 0.265 -0.799 1.380
C4 0.265 -0.799 -1.380
H5 1.191 -1.385 1.367
H6 1.191 -1.385 -1.367
H7 0.197 -0.229 2.311
H8 0.197 -0.229 -2.311
H9 -0.614 -1.444 1.278
H10 -0.614 -1.444 -1.278

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.52951.85411.85412.46052.46052.40672.40672.43952.4395
O21.52952.71642.71643.64983.64982.96782.96782.87912.8791
C31.85412.71642.76061.09632.95811.09413.73611.09532.8733
C41.85412.71642.76062.95811.09633.73611.09412.87331.0953
H52.46053.64981.09632.95812.73421.79373.98211.80903.2033
H62.46053.64982.95811.09632.73423.98211.79373.20331.8090
H72.40672.96781.09413.73611.79373.98214.62271.79013.8756
H82.40672.96783.73611.09413.98211.79374.62273.87561.7901
H92.43952.87911.09532.87331.80903.20331.79013.87562.5560
H102.43952.87912.87331.09533.20331.80903.87561.79012.5560

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 110.360 S1 C3 H7 106.576
S1 C3 H9 108.875 S1 C4 H6 110.360
S1 C4 H8 106.576 S1 C4 H10 108.875
O2 S1 C3 106.406 O2 S1 C4 106.406
C3 S1 C4 96.227 H5 C3 H7 109.949
H5 C3 H9 111.268 H6 C4 H8 109.949
H6 C4 H10 111.268 H7 C3 H9 109.694
H8 C4 H10 109.694
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.610      
2 O -0.556      
3 C -0.606      
4 C -0.606      
5 H 0.173      
6 H 0.173      
7 H 0.213      
8 H 0.213      
9 H 0.194      
10 H 0.194      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.706 -3.108 0.000 4.121
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -34.842 2.414 0.000
y 2.414 -33.659 0.000
z 0.000 0.000 -28.148
Traceless
 xyz
x -3.938 2.414 0.000
y 2.414 -2.164 0.000
z 0.000 0.000 6.102
Polar
3z2-r212.204
x2-y2-1.182
xy2.414
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.376 -0.868 0.000
y -0.868 7.168 0.000
z 0.000 0.000 7.983


<r2> (average value of r2) Å2
<r2> 86.696
(<r2>)1/2 9.311