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

using model chemistry: B2PLYP=FULL/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 B2PLYP=FULL/6-31G*
 hartrees
Energy at 0K-628.016015
Energy at 298.15K 
HF Energy-627.751057
Nuclear repulsion energy271.473268
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 B2PLYP=FULL/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 3216 3050 0.69      
2 A1 3111 2951 1.56      
3 A1 1509 1431 2.77      
4 A1 1408 1335 12.91      
5 A1 1150 1090 158.68      
6 A1 1037 983 0.61      
7 A1 684 648 11.26      
8 A1 479 455 24.64      
9 A1 271 257 2.37      
10 A2 3216 3050 0.00      
11 A2 1497 1420 0.00      
12 A2 972 922 0.00      
13 A2 284 270 0.00      
14 A2 194 184 0.00      
15 B1 3220 3054 3.01      
16 B1 1513 1435 12.83      
17 B1 1340 1271 208.17      
18 B1 1027 974 0.65      
19 B1 359 341 0.83      
20 B1 222 211 0.46      
21 B2 3215 3049 0.52      
22 B2 3109 2948 0.01      
23 B2 1500 1422 8.16      
24 B2 1390 1318 12.09      
25 B2 982 931 61.51      
26 B2 760 721 51.13      
27 B2 443 420 35.75      

Unscaled Zero Point Vibrational Energy (zpe) 19052.2 cm-1
Scaled (by 0.9484) Zero Point Vibrational Energy (zpe) 18069.1 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 B2PLYP=FULL/6-31G*
ABC
0.14890 0.13831 0.13607

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.279 0.000 0.917
O3 1.279 0.000 0.917
C4 0.000 1.411 -0.921
C5 0.000 -1.411 -0.921
H6 0.000 2.297 -0.284
H7 0.000 -2.297 -0.284
H8 0.901 1.395 -1.535
H9 -0.901 1.395 -1.535
H10 -0.901 -1.395 -1.535
H11 0.901 -1.395 -1.535

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46971.46971.79761.79762.34642.34642.39612.39612.39612.3961
O21.46972.55812.64652.64652.89082.89083.56472.84602.84603.5647
O31.46972.55812.64652.64652.89082.89082.84603.56473.56472.8460
C41.79762.64652.64652.82261.09093.76291.09031.09033.01033.0103
C51.79762.64652.64652.82263.76291.09093.01033.01031.09031.0903
H62.34642.89082.89081.09093.76294.59481.78601.78604.00084.0008
H72.34642.89082.89083.76291.09094.59484.00084.00081.78601.7860
H82.39613.56472.84601.09033.01031.78604.00081.80113.32042.7894
H92.39612.84603.56471.09033.01031.78604.00081.80112.78943.3204
H102.39612.84603.56473.01031.09034.00081.78603.32042.78941.8011
H112.39613.56472.84603.01031.09034.00081.78602.78943.32041.8011

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 106.047 S1 C4 H8 109.697
S1 C4 H9 109.697 S1 C5 H7 106.047
S1 C5 H10 109.697 S1 C5 H11 109.697
O2 S1 O3 120.975 O2 S1 C4 107.765
O2 S1 C5 107.765 O3 S1 C4 107.765
O3 S1 C5 107.765 C4 S1 C5 103.459
H6 C4 H8 109.940 H6 C4 H9 109.940
H7 C5 H10 109.940 H7 C5 H11 109.940
H8 C4 H9 111.379 H10 C5 H11 111.379
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability