return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: TPSSh/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-628.560192
Energy at 298.15K 
HF Energy-628.560192
Nuclear repulsion energy272.424149
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/cc-pVTZ
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 3157 3057 2.03      
2 A1 3057 2960 2.33      
3 A1 1469 1422 2.48      
4 A1 1343 1300 14.34      
5 A1 1142 1105 150.93      
6 A1 1002 970 0.30      
7 A1 652 632 11.67      
8 A1 467 453 21.42      
9 A1 253 245 2.25      
10 A2 3161 3061 0.00      
11 A2 1459 1413 0.00      
12 A2 924 895 0.00      
13 A2 277 268 0.00      
14 A2 170 164 0.00      
15 B1 3165 3065 4.43      
16 B1 1475 1429 6.45      
17 B1 1329 1287 215.75      
18 B1 981 950 0.44      
19 B1 336 325 0.37      
20 B1 199 193 0.44      
21 B2 3156 3056 0.19      
22 B2 3055 2958 0.02      
23 B2 1459 1413 5.64      
24 B2 1326 1284 8.16      
25 B2 933 904 64.34      
26 B2 718 695 45.88      
27 B2 432 419 31.43      

Unscaled Zero Point Vibrational Energy (zpe) 18548.8 cm-1
Scaled (by 0.9683) Zero Point Vibrational Energy (zpe) 17960.8 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/cc-pVTZ
ABC
0.15052 0.13925 0.13600

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.266 0.000 0.916
O3 1.266 0.000 0.916
C4 0.000 1.415 -0.921
C5 0.000 -1.415 -0.921
H6 0.000 2.290 -0.272
H7 0.000 -2.290 -0.272
H8 0.902 1.395 -1.529
H9 -0.902 1.395 -1.529
H10 -0.902 -1.395 -1.529
H11 0.902 -1.395 -1.529

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45911.45911.79951.79952.33642.33642.39102.39102.39102.3910
O21.45912.53212.64182.64182.87372.87373.55312.83832.83833.5531
O31.45912.53212.64182.64182.87372.87372.83833.55313.55312.8383
C41.79952.64182.64182.83091.08923.76211.08831.08833.01403.0140
C51.79952.64182.64182.83093.76211.08923.01403.01401.08831.0883
H62.33642.87372.87371.08923.76214.58051.78761.78763.99723.9972
H72.33642.87372.87373.76211.08924.58053.99723.99721.78761.7876
H82.39103.55312.83831.08833.01401.78763.99721.80443.32322.7906
H92.39102.83833.55311.08833.01401.78763.99721.80442.79063.3232
H102.39102.83833.55313.01401.08833.99721.78763.32322.79061.8044
H112.39103.55312.83833.01401.08833.99721.78762.79063.32321.8044

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 105.300 S1 C4 H8 109.302
S1 C4 H9 109.302 S1 C5 H7 105.300
S1 C5 H10 109.302 S1 C5 H11 109.302
O2 S1 O3 120.381 O2 S1 C4 107.876
O2 S1 C5 107.876 O3 S1 C4 107.876
O3 S1 C5 107.876 C4 S1 C5 103.738
H6 C4 H8 110.357 H6 C4 H9 110.357
H7 C5 H10 110.357 H7 C5 H11 110.357
H8 C4 H9 111.996 H10 C5 H11 111.996
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.771      
2 O -0.455      
3 O -0.455      
4 C -0.230      
5 C -0.230      
6 H 0.112      
7 H 0.112      
8 H 0.094      
9 H 0.094      
10 H 0.094      
11 H 0.094      


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 -4.446 4.446
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 7.086 0.000 0.000
y 0.000 7.964 0.000
z 0.000 0.000 7.267


<r2> (average value of r2) Å2
<r2> 128.294
(<r2>)1/2 11.327