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

using model chemistry: B2PLYP/3-21G

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/3-21G
 hartrees
Energy at 0K-549.928241
Energy at 298.15K-549.934592
HF Energy-549.794847
Nuclear repulsion energy173.209566
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/3-21G
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' 3220 3220 2.28 103.80 0.73 0.84
2 A' 3215 3215 6.95 85.36 0.73 0.84
3 A' 3104 3104 5.73 169.09 0.00 0.01
4 A' 1554 1554 27.35 3.04 0.72 0.84
5 A' 1532 1532 5.13 27.79 0.72 0.84
6 A' 1382 1382 4.83 0.51 0.22 0.37
7 A' 1027 1027 28.52 10.39 0.72 0.83
8 A' 1004 1004 14.73 6.18 0.60 0.75
9 A' 878 878 36.88 7.49 0.67 0.80
10 A' 536 536 15.40 49.04 0.09 0.17
11 A' 304 304 4.79 2.98 0.39 0.56
12 A' 255 255 1.27 3.18 0.73 0.85
13 A' 173 173 0.94 0.30 0.59 0.74
14 A" 3218 3218 2.15 28.39 0.75 0.86
15 A" 3211 3211 0.04 6.69 0.75 0.86
16 A" 3103 3103 3.60 0.88 0.75 0.86
17 A" 1538 1538 1.76 36.45 0.75 0.86
18 A" 1518 1518 11.83 5.14 0.75 0.86
19 A" 1355 1355 0.10 0.14 0.75 0.86
20 A" 942 942 1.17 7.80 0.75 0.86
21 A" 910 910 0.69 2.30 0.75 0.86
22 A" 561 561 19.96 29.35 0.75 0.86
23 A" 232 232 3.01 7.25 0.75 0.86
24 A" 126 126 0.01 0.06 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 17447.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 17447.3 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/3-21G
ABC
0.21274 0.19478 0.12229

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.276 0.454 0.000
O2 -1.175 1.210 0.000
C3 0.276 -0.869 1.405
C4 0.276 -0.869 -1.405
H5 1.184 -1.461 1.297
H6 1.184 -1.461 -1.297
H7 0.270 -0.322 2.346
H8 0.270 -0.322 -2.346
H9 -0.624 -1.475 1.305
H10 -0.624 -1.475 -1.305

Atom - Atom Distances (Å)
  S1 O2 C3 C4 H5 H6 H7 H8 H9 H10
S11.63611.92941.92942.48442.48442.47052.47052.49682.4968
O21.63612.89832.89833.79213.79213.15193.15193.03603.0360
C31.92942.89832.80951.08932.91081.08833.79001.08962.9192
C41.92942.89832.80952.91081.08933.79001.08832.91921.0896
H52.48443.79211.08932.91082.59341.79833.92431.80773.1683
H62.48443.79212.91081.08932.59343.92431.79833.16831.8077
H72.47053.15191.08833.79001.79833.92434.69121.79173.9315
H82.47053.15193.79001.08833.92431.79834.69123.93151.7917
H92.49683.03601.08962.91921.80773.16831.79173.93152.6106
H102.49683.03602.91921.08963.16831.80773.93151.79172.6106

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 107.489 S1 C3 H7 106.551
S1 C3 H9 108.358 S1 C4 H6 107.489
S1 C4 H8 106.551 S1 C4 H10 108.358
O2 S1 C3 108.473 O2 S1 C4 108.473
C3 S1 C4 93.449 H5 C3 H7 111.348
H5 C3 H9 112.128 H6 C4 H8 111.348
H6 C4 H10 112.128 H7 C3 H9 110.709
H8 C4 H10 110.709
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.869      
2 O -0.586      
3 C -0.832      
4 C -0.832      
5 H 0.215      
6 H 0.215      
7 H 0.240      
8 H 0.240      
9 H 0.236      
10 H 0.236      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.446 -3.068 0.000 3.923
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.428 2.568 -0.011
y 2.568 -35.231 0.020
z -0.011 0.020 -29.769
Traceless
 xyz
x -2.928 2.568 -0.011
y 2.568 -2.633 0.020
z -0.011 0.020 5.561
Polar
3z2-r211.121
x2-y2-0.197
xy2.568
xz-0.011
yz0.020


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.447 -1.362 0.001
y -1.362 6.512 0.000
z 0.001 0.000 7.080


<r2> (average value of r2) Å2
<r2> 112.160
(<r2>)1/2 10.591