return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: B3LYP/STO-3G

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/STO-3G
 hartrees
Energy at 0K-546.718554
Energy at 298.15K-546.724651
HF Energy-546.718554
Nuclear repulsion energy172.795077
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/STO-3G
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' 3500 3123 0.28 60.21 0.73 0.85
2 A' 3498 3121 1.63 44.37 0.73 0.84
3 A' 3295 2940 2.53 80.59 0.00 0.01
4 A' 1664 1485 6.98 1.25 0.66 0.80
5 A' 1653 1475 1.68 24.56 0.72 0.84
6 A' 1446 1290 0.17 0.52 0.41 0.58
7 A' 1007 898 6.97 6.93 0.51 0.67
8 A' 1004 896 37.03 4.47 0.67 0.80
9 A' 906 808 16.51 8.63 0.54 0.70
10 A' 635 566 30.43 29.61 0.12 0.21
11 A' 333 297 5.39 2.11 0.38 0.55
12 A' 271 242 0.15 2.26 0.66 0.80
13 A' 145 129 0.17 0.15 0.73 0.84
14 A" 3498 3122 0.40 12.94 0.75 0.86
15 A" 3497 3121 0.01 6.26 0.75 0.86
16 A" 3294 2940 5.84 0.66 0.75 0.86
17 A" 1659 1480 0.54 30.07 0.75 0.86
18 A" 1648 1471 3.35 4.32 0.75 0.86
19 A" 1422 1269 4.96 0.55 0.75 0.86
20 A" 929 829 3.19 5.49 0.75 0.86
21 A" 908 811 1.73 0.83 0.75 0.86
22 A" 591 528 45.92 21.69 0.75 0.86
23 A" 270 241 0.70 5.63 0.75 0.86
24 A" 102 91 0.05 0.01 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 18586.2 cm-1
Scaled (by 0.8924) Zero Point Vibrational Energy (zpe) 16586.4 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/STO-3G
ABC
0.20773 0.19624 0.12370

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/STO-3G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.283 0.487 0.000
O2 -1.206 1.136 0.000
C3 0.283 -0.858 1.406
C4 0.283 -0.858 -1.406
H5 1.171 -1.496 1.292
H6 1.171 -1.496 -1.292
H7 0.318 -0.336 2.372
H8 0.318 -0.336 -2.372
H9 -0.634 -1.461 1.341
H10 -0.634 -1.461 -1.341

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.62411.94631.94632.52782.52782.51072.51072.53692.5369
O21.62412.85852.85853.77413.77413.18003.18002.97812.9781
C31.94632.85852.81181.09882.91061.09863.81371.09902.9581
C41.94632.85852.81182.91061.09883.81371.09862.95811.0990
H52.52783.77411.09882.91062.58351.79993.93621.80573.1924
H62.52783.77412.91061.09882.58353.93621.79993.19241.8057
H72.51073.18001.09863.81371.79993.93624.74331.79803.9946
H82.51073.18003.81371.09863.93621.79994.74333.99461.7980
H92.53692.97811.09902.95811.80573.19241.79803.99462.6826
H102.53692.97812.95811.09903.19241.80573.99461.79802.6826

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 109.029 S1 C3 H7 107.819
S1 C3 H9 109.669 S1 C4 H6 109.029
S1 C4 H8 107.819 S1 C4 H10 109.669
O2 S1 C3 106.026 O2 S1 C4 106.026
C3 S1 C4 92.496 H5 C3 H7 109.985
H5 C3 H9 110.493 H6 C4 H8 109.985
H6 C4 H10 110.493 H7 C3 H9 109.797
H8 C4 H10 109.797
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.510      
2 O -0.369      
3 C -0.304      
4 C -0.304      
5 H 0.075      
6 H 0.075      
7 H 0.078      
8 H 0.078      
9 H 0.080      
10 H 0.080      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.927 -1.562 0.000 2.480
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.515 2.056 0.000
y 2.056 -30.517 0.000
z 0.000 0.000 -27.924
Traceless
 xyz
x -2.295 2.056 0.000
y 2.056 -0.797 0.000
z 0.000 0.000 3.092
Polar
3z2-r26.184
x2-y2-0.998
xy2.056
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.142 -1.205 0.000
y -1.205 3.923 0.000
z 0.000 0.000 4.618


<r2> (average value of r2) Å2
<r2> 110.193
(<r2>)1/2 10.497