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All results from a given calculation for C2H6O2S (Dimethyl sulfone)

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 C2V 1A1
Energy calculated at B2PLYP/3-21G
 hartrees
Energy at 0K-624.578399
Energy at 298.15K 
HF Energy-624.396679
Nuclear repulsion energy256.436318
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 A1 3233 3233 0.02      
2 A1 3120 3120 1.10      
3 A1 1526 1526 4.51      
4 A1 1402 1402 8.23      
5 A1 1067 1067 57.35      
6 A1 912 912 32.50      
7 A1 557 557 22.61      
8 A1 402 402 14.92      
9 A1 243 243 1.56      
10 A2 3233 3233 0.00      
11 A2 1526 1526 0.00      
12 A2 952 952 0.00      
13 A2 200 200 0.00      
14 A2 135 135 0.00      
15 B1 3236 3236 0.31      
16 B1 1540 1540 29.75      
17 B1 1153 1153 73.68      
18 B1 973 973 0.11      
19 B1 280 280 2.22      
20 B1 166 166 0.41      
21 B2 3232 3232 0.48      
22 B2 3117 3117 0.06      
23 B2 1515 1515 14.64      
24 B2 1378 1378 3.25      
25 B2 966 966 21.22      
26 B2 628 628 70.33      
27 B2 317 317 26.63      

Unscaled Zero Point Vibrational Energy (zpe) 18504.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18504.0 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 B2PLYP/3-21G
ABC
0.12737 0.12669 0.12257

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.205
O2 -1.377 0.000 1.006
O3 1.377 0.000 1.006
C4 0.000 1.448 -1.010
C5 0.000 -1.448 -1.010
H6 0.000 2.353 -0.406
H7 0.000 -2.353 -0.406
H8 0.905 1.375 -1.609
H9 -0.905 1.375 -1.609
H10 -0.905 -1.375 -1.609
H11 0.905 -1.375 -1.609

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.59281.59281.89031.89032.43112.43112.44982.44982.44982.4498
O21.59282.75372.83842.83843.07013.07013.73332.99192.99193.7333
O31.59282.75372.83842.83843.07013.07012.99193.73333.73332.9919
C41.89032.83842.83842.89641.08813.84901.08801.08803.02503.0250
C51.89032.83842.83842.89643.84901.08813.02503.02501.08801.0880
H62.43113.07013.07011.08813.84904.70621.79541.79544.02114.0211
H72.43113.07013.07013.84901.08814.70624.02114.02111.79541.7954
H82.44983.73332.99191.08803.02501.79544.02111.81053.29312.7507
H92.44982.99193.73331.08803.02501.79544.02111.81052.75073.2931
H102.44982.99193.73333.02501.08804.02111.79543.29312.75071.8105
H112.44983.73332.99193.02501.08804.02111.79542.75073.29311.8105

picture of Dimethyl sulfone state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C4 H6 106.272 S1 C4 H8 107.613
S1 C4 H9 107.613 S1 C5 H7 106.272
S1 C5 H10 107.613 S1 C5 H11 107.613
O2 S1 O3 119.626 O2 S1 C4 108.855
O2 S1 C5 108.855 O3 S1 C4 108.855
O3 S1 C5 108.855 C4 S1 C5 100.011
H6 C4 H8 111.190 H6 C4 H9 111.190
H7 C5 H10 111.190 H7 C5 H11 111.190
H8 C4 H9 112.624 H10 C5 H11 112.624
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 1.372      
2 O -0.571      
3 O -0.571      
4 C -0.876      
5 C -0.876      
6 H 0.272      
7 H 0.272      
8 H 0.245      
9 H 0.245      
10 H 0.245      
11 H 0.245      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -5.070 5.070
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.696 0.000 0.000
y 0.000 -32.978 0.000
z 0.000 0.000 -40.120
Traceless
 xyz
x -8.147 0.000 0.000
y 0.000 9.430 0.000
z 0.000 0.000 -1.283
Polar
3z2-r2-2.567
x2-y2-11.718
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.597 0.000 0.000
y 0.000 6.966 0.000
z 0.000 0.000 6.745


<r2> (average value of r2) Å2
<r2> 141.727
(<r2>)1/2 11.905