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

using model chemistry: wB97X-D/CEP-121G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at wB97X-D/CEP-121G
 hartrees
Energy at 0K-56.748530
Energy at 298.15K 
HF Energy-56.748530
Nuclear repulsion energy101.722585
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 wB97X-D/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 A1 3217 3217 0.11      
2 A1 3059 3059 12.25      
3 A1 1458 1458 8.54      
4 A1 1383 1383 1.53      
5 A1 1067 1067 39.90      
6 A1 758 758 31.93      
7 A1 594 594 0.11      
8 A1 308 308 26.07      
9 A1 210 210 5.23      
10 A2 3220 3220 0.00      
11 A2 1470 1470 0.00      
12 A2 984 984 0.00      
13 A2 214 214 0.00      
14 A2 134 134 0.00      
15 B1 3222 3222 1.19      
16 B1 1481 1481 28.30      
17 B1 1066 1066 40.83      
18 B1 854 854 29.94      
19 B1 261 261 0.75      
20 B1 164 164 1.00      
21 B2 3215 3215 0.24      
22 B2 3057 3057 7.57      
23 B2 1448 1448 13.19      
24 B2 1357 1357 0.06      
25 B2 977 977 12.35      
26 B2 689 689 9.59      
27 B2 302 302 52.18      

Unscaled Zero Point Vibrational Energy (zpe) 18083.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18083.6 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 wB97X-D/CEP-121G
ABC
0.12581 0.12272 0.11639

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.167
O2 -1.451 0.000 0.980
O3 1.451 0.000 0.980
C4 0.000 1.503 -0.962
C5 0.000 -1.503 -0.962
H6 0.000 2.357 -0.284
H7 0.000 -2.357 -0.284
H8 0.911 1.467 -1.558
H9 -0.911 1.467 -1.558
H10 -0.911 -1.467 -1.558
H11 0.911 -1.467 -1.558

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.66361.66361.87961.87962.39952.39952.44062.44062.44062.4406
O21.66362.90272.85232.85233.04283.04283.76492.98072.98073.7649
O31.66362.90272.85232.85233.04283.04282.98073.76493.76492.9807
C41.87962.85232.85233.00651.08963.91901.08981.08983.16333.1633
C51.87962.85232.85233.00653.91901.08963.16333.16331.08981.0898
H62.39953.04283.04281.08963.91904.71361.80161.80164.13184.1318
H72.39953.04283.04283.91901.08964.71364.13184.13181.80161.8016
H82.44063.76492.98071.08983.16331.80164.13181.82253.45332.9332
H92.44062.98073.76491.08983.16331.80164.13181.82252.93323.4533
H102.44062.98073.76493.16331.08984.13181.80163.45332.93321.8225
H112.44063.76492.98073.16331.08984.13181.80162.93323.45331.8225

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 104.677 S1 C4 H8 107.563
S1 C4 H9 107.563 S1 C5 H7 104.677
S1 C5 H10 107.563 S1 C5 H11 107.563
O2 S1 O3 121.475 O2 S1 C4 107.063
O2 S1 C5 107.063 O3 S1 C4 107.063
O3 S1 C5 107.063 C4 S1 C5 106.221
H6 C4 H8 111.510 H6 C4 H9 111.510
H7 C5 H10 111.510 H7 C5 H11 111.510
H8 C4 H9 113.469 H10 C5 H11 113.469
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.898      
2 O -0.542      
3 O -0.542      
4 C -0.608      
5 C -0.608      
6 H 0.262      
7 H 0.262      
8 H 0.220      
9 H 0.220      
10 H 0.220      
11 H 0.220      


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 -6.648 6.648
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.166 0.000 0.000
y 0.000 -29.829 0.000
z 0.000 0.000 -39.628
Traceless
 xyz
x -12.438 0.000 0.000
y 0.000 13.569 0.000
z 0.000 0.000 -1.131
Polar
3z2-r2-2.261
x2-y2-17.338
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.230 0.000 0.000
y 0.000 8.235 0.000
z 0.000 0.000 7.643


<r2> (average value of r2) Å2
<r2> 119.630
(<r2>)1/2 10.938