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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-628.036829
Energy at 298.15K 
HF Energy-627.760424
Nuclear repulsion energy271.637346
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 3223 3223 0.61      
2 A1 3112 3112 1.50      
3 A1 1497 1497 2.50      
4 A1 1395 1395 12.71      
5 A1 1147 1147 157.41      
6 A1 1030 1030 0.18      
7 A1 683 683 11.42      
8 A1 479 479 24.72      
9 A1 270 270 2.32      
10 A2 3223 3223 0.00      
11 A2 1485 1485 0.00      
12 A2 963 963 0.00      
13 A2 285 285 0.00      
14 A2 189 189 0.00      
15 B1 3227 3227 2.84      
16 B1 1501 1501 10.79      
17 B1 1339 1339 206.77      
18 B1 1019 1019 0.72      
19 B1 359 359 0.83      
20 B1 219 219 0.45      
21 B2 3222 3222 0.48      
22 B2 3109 3109 0.04      
23 B2 1488 1488 7.25      
24 B2 1376 1376 11.48      
25 B2 973 973 62.60      
26 B2 757 757 50.23      
27 B2 443 443 35.87      

Unscaled Zero Point Vibrational Energy (zpe) 19006.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19006.5 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
0.14907 0.13843 0.13626

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 0.192
O2 -1.279 0.000 0.916
O3 1.279 0.000 0.916
C4 0.000 1.411 -0.920
C5 0.000 -1.411 -0.920
H6 0.000 2.294 -0.283
H7 0.000 -2.294 -0.283
H8 0.899 1.393 -1.532
H9 -0.899 1.393 -1.532
H10 -0.899 -1.393 -1.532
H11 0.899 -1.393 -1.532

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46961.46961.79651.79652.34262.34262.39222.39222.39222.3922
O21.46962.55752.64542.64542.88732.88733.56082.84252.84253.5608
O31.46962.55752.64542.64542.88732.88732.84253.56083.56082.8425
C41.79652.64542.64542.82191.08843.75911.08801.08803.00773.0077
C51.79652.64542.64542.82193.75911.08843.00773.00771.08801.0880
H62.34262.88732.88731.08843.75914.58771.78311.78313.99523.9952
H72.34262.88732.88733.75911.08844.58773.99523.99521.78311.7831
H82.39223.56082.84251.08803.00771.78313.99521.79853.31622.7861
H92.39222.84253.56081.08803.00771.78313.99521.79852.78613.3162
H102.39222.84253.56083.00771.08803.99521.78313.31622.78611.7985
H112.39223.56082.84253.00771.08803.99521.78312.78613.31621.7985

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 105.962 S1 C4 H8 109.596
S1 C4 H9 109.596 S1 C5 H7 105.962
S1 C5 H10 109.596 S1 C5 H11 109.596
O2 S1 O3 120.951 O2 S1 C4 107.761
O2 S1 C5 107.761 O3 S1 C4 107.761
O3 S1 C5 107.761 C4 S1 C5 103.512
H6 C4 H8 110.026 H6 C4 H9 110.026
H7 C5 H10 110.026 H7 C5 H11 110.026
H8 C4 H9 111.484 H10 C5 H11 111.484
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability