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: B2PLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-552.880017
Energy at 298.15K-552.886782
HF Energy-552.672359
Nuclear repulsion energy181.387607
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 B2PLYP/cc-pVDZ
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' 3186 3051 3.18 106.70 0.70 0.83
2 A' 3179 3045 10.03 108.41 0.75 0.86
3 A' 3061 2931 9.49 247.68 0.00 0.01
4 A' 1466 1404 15.69 2.27 0.75 0.86
5 A' 1441 1380 4.71 20.48 0.71 0.83
6 A' 1318 1263 6.59 0.67 0.22 0.36
7 A' 1064 1019 96.99 7.32 0.45 0.62
8 A' 1015 972 15.32 3.11 0.47 0.64
9 A' 942 902 8.44 5.25 0.73 0.85
10 A' 637 610 10.50 29.82 0.10 0.19
11 A' 353 338 6.69 1.98 0.40 0.57
12 A' 276 265 0.68 2.63 0.74 0.85
13 A' 219 210 1.13 0.06 0.23 0.38
14 A" 3185 3050 1.41 45.28 0.75 0.86
15 A" 3176 3041 0.01 9.52 0.75 0.86
16 A" 3059 2930 6.35 0.49 0.75 0.86
17 A" 1447 1386 0.07 26.22 0.75 0.86
18 A" 1427 1367 7.63 3.05 0.75 0.86
19 A" 1293 1238 0.22 0.08 0.75 0.86
20 A" 910 872 4.37 3.18 0.75 0.86
21 A" 881 844 2.11 0.20 0.75 0.86
22 A" 662 634 21.24 16.75 0.75 0.86
23 A" 295 282 8.43 4.31 0.75 0.86
24 A" 163 156 0.00 0.18 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17326.6 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 16593.7 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 B2PLYP/cc-pVDZ
ABC
0.22470 0.22386 0.13658

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.267 0.438 0.000
O2 -1.126 1.069 0.000
C3 0.267 -0.792 1.361
C4 0.267 -0.792 -1.361
H5 1.187 -1.395 1.340
H6 1.187 -1.395 -1.340
H7 0.208 -0.219 2.296
H8 0.208 -0.219 -2.296
H9 -0.631 -1.417 1.252
H10 -0.631 -1.417 -1.252

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.52921.83421.83422.44972.44972.38912.38912.41162.4116
O21.52922.69322.69323.63513.63512.95152.95152.82712.8271
C31.83422.69322.72171.10012.91651.09823.70211.09972.8326
C41.83422.69322.72172.91651.10013.70211.09822.83261.0997
H52.44973.63511.10012.91652.68061.80373.94511.81993.1660
H62.44973.63512.91651.10012.68063.94511.80373.16601.8199
H72.38912.95151.09823.70211.80373.94514.59241.79733.8377
H82.38912.95153.70211.09823.94511.80374.59243.83771.7973
H92.41162.82711.09972.83261.81993.16601.79733.83772.5036
H102.41162.82712.83261.09973.16601.81993.83771.79732.5036

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 110.708 S1 C3 H7 106.405
S1 C3 H9 107.934 S1 C4 H6 110.708
S1 C4 H8 106.405 S1 C4 H10 107.934
O2 S1 C3 106.048 O2 S1 C4 106.048
C3 S1 C4 95.797 H5 C3 H7 110.272
H5 C3 H9 111.645 H6 C4 H8 110.272
H6 C4 H10 111.645 H7 C3 H9 109.714
H8 C4 H10 109.714
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.516      
2 O -0.557      
3 C -0.169      
4 C -0.169      
5 H 0.051      
6 H 0.051      
7 H 0.072      
8 H 0.072      
9 H 0.067      
10 H 0.067      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.607 -2.803 0.000 3.828
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.061 2.302 -0.009
y 2.302 -34.229 0.019
z -0.009 0.019 -29.103
Traceless
 xyz
x -3.395 2.302 -0.009
y 2.302 -2.147 0.019
z -0.009 0.019 5.542
Polar
3z2-r211.084
x2-y2-0.832
xy2.302
xz-0.009
yz0.019


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.838 -0.925 0.001
y -0.925 6.596 -0.001
z 0.001 -0.001 7.477


<r2> (average value of r2) Å2
<r2> 103.552
(<r2>)1/2 10.176