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

using model chemistry: TPSSh/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at TPSSh/6-311+G(3df,2p)
 hartrees
Energy at 0K-628.571992
Energy at 298.15K 
HF Energy-628.571992
Nuclear repulsion energy274.316144
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 TPSSh/6-311+G(3df,2p)
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 3152 3152 2.27      
2 A1 3053 3053 2.70      
3 A1 1471 1471 2.57      
4 A1 1350 1350 15.68      
5 A1 1157 1157 153.73      
6 A1 1005 1005 0.68      
7 A1 667 667 9.88      
8 A1 478 478 21.06      
9 A1 259 259 2.36      
10 A2 3153 3153 0.00      
11 A2 1459 1459 0.00      
12 A2 926 926 0.00      
13 A2 285 285 0.00      
14 A2 182 182 0.00      
15 B1 3157 3157 4.38      
16 B1 1477 1477 5.56      
17 B1 1346 1346 242.17      
18 B1 985 985 0.67      
19 B1 344 344 0.26      
20 B1 209 209 0.39      
21 B2 3150 3150 0.28      
22 B2 3050 3050 0.04      
23 B2 1461 1461 5.80      
24 B2 1335 1335 10.20      
25 B2 934 934 64.75      
26 B2 730 730 39.27      
27 B2 443 443 29.78      

Unscaled Zero Point Vibrational Energy (zpe) 18608.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18608.2 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 TPSSh/6-311+G(3df,2p)
ABC
0.15300 0.14116 0.13771

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-311+G(3df,2p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.254 0.000 0.909
O3 1.254 0.000 0.909
C4 0.000 1.407 -0.912
C5 0.000 -1.407 -0.912
H6 0.000 2.283 -0.265
H7 0.000 -2.283 -0.265
H8 0.901 1.390 -1.523
H9 -0.901 1.390 -1.523
H10 -0.901 -1.390 -1.523
H11 0.901 -1.390 -1.523

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.44601.44601.78731.78732.32812.32812.38222.38222.38222.3822
O21.44602.50832.62132.62132.85742.85743.53412.82302.82303.5341
O31.44602.50832.62132.62132.85742.85742.82303.53413.53412.8230
C41.78732.62132.62132.81461.08913.74691.08851.08853.00153.0015
C51.78732.62132.62132.81463.74691.08913.00153.00151.08851.0885
H62.32812.85742.85741.08913.74694.56651.78641.78643.98573.9857
H72.32812.85742.85743.74691.08914.56653.98573.98571.78641.7864
H82.38223.53412.82301.08853.00151.78643.98571.80233.31302.7799
H92.38222.82303.53411.08853.00151.78643.98571.80232.77993.3130
H102.38222.82303.53413.00151.08853.98571.78643.31302.77991.8023
H112.38223.53412.82303.00151.08853.98571.78642.77993.31301.8023

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 105.481 S1 C4 H8 109.452
S1 C4 H9 109.452 S1 C5 H7 105.481
S1 C5 H10 109.452 S1 C5 H11 109.452
O2 S1 O3 120.306 O2 S1 C4 107.866
O2 S1 C5 107.866 O3 S1 C4 107.866
O3 S1 C5 107.866 C4 S1 C5 103.885
H6 C4 H8 110.242 H6 C4 H9 110.242
H7 C5 H10 110.242 H7 C5 H11 110.242
H8 C4 H9 111.774 H10 C5 H11 111.774
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-311+G(3df,2p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.576      
2 O -0.470      
3 O -0.470      
4 C -0.211      
5 C -0.211      
6 H 0.124      
7 H 0.124      
8 H 0.135      
9 H 0.135      
10 H 0.135      
11 H 0.135      


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 -4.476 4.476
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.577 0.000 0.000
y 0.000 8.455 0.000
z 0.000 0.000 7.833


<r2> (average value of r2) Å2
<r2> 127.063
(<r2>)1/2 11.272