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

using model chemistry: B2PLYP=FULL/aug-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 B2PLYP=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-628.283779
Energy at 298.15K 
HF Energy-627.908097
Nuclear repulsion energy273.320944
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/aug-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 3179 3050 0.48      
2 A1 3083 2957 1.96      
3 A1 1477 1417 3.29      
4 A1 1359 1303 15.02      
5 A1 1141 1095 153.20      
6 A1 1014 973 0.00      
7 A1 675 647 9.64      
8 A1 474 455 23.30      
9 A1 266 255 2.47      
10 A2 3183 3054 0.00      
11 A2 1465 1405 0.00      
12 A2 940 902 0.00      
13 A2 291 279 0.00      
14 A2 176 168 0.00      
15 B1 3187 3058 1.20      
16 B1 1482 1422 7.84      
17 B1 1318 1265 243.39      
18 B1 995 955 0.39      
19 B1 351 337 0.39      
20 B1 211 202 0.36      
21 B2 3178 3049 0.84      
22 B2 3080 2955 0.08      
23 B2 1466 1407 6.01      
24 B2 1343 1289 11.88      
25 B2 950 911 57.72      
26 B2 742 712 39.56      
27 B2 446 428 33.96      

Unscaled Zero Point Vibrational Energy (zpe) 18734.7 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 17974.0 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/aug-cc-pVTZ
ABC
0.15132 0.14038 0.13726

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.187
O2 -1.264 0.000 0.915
O3 1.264 0.000 0.915
C4 0.000 1.407 -0.916
C5 0.000 -1.407 -0.916
H6 0.000 2.281 -0.271
H7 0.000 -2.281 -0.271
H8 0.899 1.385 -1.523
H9 -0.899 1.385 -1.523
H10 -0.899 -1.385 -1.523
H11 0.899 -1.385 -1.523

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45791.45791.78841.78842.32642.32642.37712.37712.37712.3771
O21.45792.52722.63232.63232.86432.86433.54072.82672.82673.5407
O31.45792.52722.63232.63232.86432.86432.82673.54073.54072.8267
C41.78842.63232.63232.81471.08613.74431.08511.08512.99532.9953
C51.78842.63232.63232.81473.74431.08612.99532.99531.08511.0851
H62.32642.86432.86431.08613.74434.56181.78331.78333.97653.9765
H72.32642.86432.86433.74431.08614.56183.97653.97651.78331.7833
H82.37713.54072.82671.08512.99531.78333.97651.79903.30222.7691
H92.37712.82673.54071.08512.99531.78333.97651.79902.76913.3022
H102.37712.82673.54072.99531.08513.97651.78333.30222.76911.7990
H112.37713.54072.82672.99531.08513.97651.78332.76913.30221.7990

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 105.441 S1 C4 H8 109.171
S1 C4 H9 109.171 S1 C5 H7 105.441
S1 C5 H10 109.171 S1 C5 H11 109.171
O2 S1 O3 120.154 O2 S1 C4 107.926
O2 S1 C5 107.926 O3 S1 C4 107.926
O3 S1 C5 107.926 C4 S1 C5 103.801
H6 C4 H8 110.431 H6 C4 H9 110.431
H7 C5 H10 110.431 H7 C5 H11 110.431
H8 C4 H9 111.973 H10 C5 H11 111.973
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability