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

using model chemistry: TPSSh/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-628.585595
Energy at 298.15K 
HF Energy-628.585595
Nuclear repulsion energy274.237784
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/Def2TZVPP
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 3153 3153 2.39      
2 A1 3055 3055 2.57      
3 A1 1471 1471 2.19      
4 A1 1349 1349 16.69      
5 A1 1161 1161 156.56      
6 A1 1004 1004 1.06      
7 A1 665 665 11.06      
8 A1 480 480 21.81      
9 A1 258 258 2.38      
10 A2 3156 3156 0.00      
11 A2 1458 1458 0.00      
12 A2 926 926 0.00      
13 A2 285 285 0.00      
14 A2 180 180 0.00      
15 B1 3160 3160 4.97      
16 B1 1475 1475 4.38      
17 B1 1354 1354 233.20      
18 B1 984 984 0.76      
19 B1 345 345 0.28      
20 B1 209 209 0.43      
21 B2 3152 3152 0.15      
22 B2 3052 3052 0.04      
23 B2 1461 1461 5.49      
24 B2 1332 1332 10.24      
25 B2 933 933 70.29      
26 B2 727 727 43.57      
27 B2 444 444 31.06      

Unscaled Zero Point Vibrational Energy (zpe) 18613.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18613.6 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 TPSSh/Def2TZVPP
ABC
0.15282 0.14115 0.13762

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.190
O2 -1.255 0.000 0.909
O3 1.255 0.000 0.909
C4 0.000 1.407 -0.913
C5 0.000 -1.407 -0.913
H6 0.000 2.284 -0.267
H7 0.000 -2.284 -0.267
H8 0.901 1.391 -1.525
H9 -0.901 1.391 -1.525
H10 -0.901 -1.391 -1.525
H11 0.901 -1.391 -1.525

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.44611.44611.78801.78802.32882.32882.38472.38472.38472.3847
O21.44612.50922.62212.62212.85852.85853.53622.82542.82543.5362
O31.44612.50922.62212.62212.85852.85852.82543.53623.53622.8254
C41.78802.62212.62212.81351.08973.74661.08881.08883.00203.0020
C51.78802.62212.62212.81353.74661.08973.00203.00201.08881.0888
H62.32882.85852.85851.08973.74664.56711.78641.78643.98703.9870
H72.32882.85852.85853.74661.08974.56713.98703.98701.78641.7864
H82.38473.53622.82541.08883.00201.78643.98701.80203.31442.7818
H92.38472.82543.53621.08883.00201.78643.98701.80202.78183.3144
H102.38472.82543.53623.00201.08883.98701.78643.31442.78181.8020
H112.38473.53622.82543.00201.08883.98701.78642.78183.31441.8020

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 105.462 S1 C4 H8 109.572
S1 C4 H9 109.572 S1 C5 H7 105.462
S1 C5 H10 109.572 S1 C5 H11 109.572
O2 S1 O3 120.365 O2 S1 C4 107.875
O2 S1 C5 107.875 O3 S1 C4 107.875
O3 S1 C5 107.875 C4 S1 C5 103.764
H6 C4 H8 110.176 H6 C4 H9 110.176
H7 C5 H10 110.176 H7 C5 H11 110.176
H8 C4 H9 111.692 H10 C5 H11 111.692
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.736      
2 O -0.456      
3 O -0.456      
4 C -0.191      
5 C -0.191      
6 H 0.099      
7 H 0.099      
8 H 0.090      
9 H 0.090      
10 H 0.090      
11 H 0.090      


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 -4.379 4.379
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 7.216 0.000 0.000
y 0.000 7.947 0.000
z 0.000 0.000 7.302


<r2> (average value of r2) Å2
<r2> 127.009
(<r2>)1/2 11.270