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

using model chemistry: TPSSh/6-31G

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/6-31G
 hartrees
Energy at 0K-628.198676
Energy at 298.15K 
HF Energy-628.198676
Nuclear repulsion energy252.157932
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/6-31G
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 3241 3118 0.00      
2 A1 3103 2985 2.55      
3 A1 1498 1441 6.12      
4 A1 1374 1322 2.16      
5 A1 1055 1015 41.24      
6 A1 811 780 41.77      
7 A1 550 530 8.20      
8 A1 341 328 18.34      
9 A1 207 199 2.99      
10 A2 3236 3113 0.00      
11 A2 1500 1444 0.00      
12 A2 962 925 0.00      
13 A2 195 188 0.00      
14 A2 138 132 0.00      
15 B1 3238 3115 0.78      
16 B1 1511 1454 28.98      
17 B1 1073 1032 58.00      
18 B1 904 870 21.26      
19 B1 262 252 0.73      
20 B1 157 151 0.45      
21 B2 3240 3117 1.02      
22 B2 3101 2984 0.00      
23 B2 1489 1433 14.17      
24 B2 1351 1300 0.21      
25 B2 965 929 14.11      
26 B2 630 606 37.77      
27 B2 299 288 31.41      

Unscaled Zero Point Vibrational Energy (zpe) 18215.6 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 17525.3 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 TPSSh/6-31G
ABC
0.12499 0.12119 0.11839

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.186
O2 -1.434 0.000 0.992
O3 1.434 0.000 0.992
C4 0.000 1.495 -0.987
C5 0.000 -1.495 -0.987
H6 0.000 2.366 -0.333
H7 0.000 -2.366 -0.333
H8 0.909 1.441 -1.584
H9 -0.909 1.441 -1.584
H10 -0.909 -1.441 -1.584
H11 0.909 -1.441 -1.584

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.64481.64481.90041.90042.42192.42192.45612.45612.45612.4561
O21.64482.86732.86492.86493.06723.06723.76792.99742.99743.7679
O31.64482.86732.86492.86493.06723.06722.99743.76793.76792.9974
C41.90042.86492.86492.99071.08843.91591.08871.08873.13083.1308
C51.90042.86492.86492.99073.91591.08843.13083.13081.08871.0887
H62.42193.06723.06721.08843.91594.73121.80141.80144.10814.1081
H72.42193.06723.06723.91591.08844.73124.10814.10811.80141.8014
H82.45613.76792.99741.08873.13081.80144.10811.81803.40682.8812
H92.45612.99743.76791.08873.13081.80144.10811.81802.88123.4068
H102.45612.99743.76793.13081.08874.10811.80143.40682.88121.8180
H112.45613.76792.99743.13081.08874.10811.80142.88123.40681.8180

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 104.979 S1 C4 H8 107.373
S1 C4 H9 107.373 S1 C5 H7 104.979
S1 C5 H10 107.373 S1 C5 H11 107.373
O2 S1 O3 121.301 O2 S1 C4 107.606
O2 S1 C5 107.606 O3 S1 C4 107.606
O3 S1 C5 107.606 C4 S1 C5 103.786
H6 C4 H8 111.678 H6 C4 H9 111.678
H7 C5 H10 111.678 H7 C5 H11 111.678
H8 C4 H9 113.221 H10 C5 H11 113.221
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.093      
2 O -0.581      
3 O -0.581      
4 C -0.653      
5 C -0.653      
6 H 0.250      
7 H 0.250      
8 H 0.219      
9 H 0.219      
10 H 0.219      
11 H 0.219      


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 -5.956 5.956
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 7.559 0.000 0.000
y 0.000 7.578 0.000
z 0.000 0.000 7.229


<r2> (average value of r2) Å2
<r2> 145.173
(<r2>)1/2 12.049