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

using model chemistry: MP4/TZVP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/TZVP
 hartrees
Energy at 0K-627.419510
Energy at 298.15K 
HF Energy-626.485960
Nuclear repulsion energy269.689364
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 MP4/TZVP
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 3189 3071        
2 A1 3075 2961        
3 A1 1473 1418        
4 A1 1378 1326        
5 A1 1113 1071        
6 A1 1011 973        
7 A1 661 636        
8 A1 448 431        
9 A1 262 252        
10 A2 3190 3072        
11 A2 1458 1404        
12 A2 951 916        
13 A2 292 281        
14 A2 170 164        
15 B1 3193 3075        
16 B1 1475 1420        
17 B1 1288 1240        
18 B1 998 961        
19 B1 350 337        
20 B1 216 208        
21 B2 3188 3069        
22 B2 3073 2959        
23 B2 1461 1407        
24 B2 1358 1307        
25 B2 954 919        
26 B2 735 708        
27 B2 436 420        

Unscaled Zero Point Vibrational Energy (zpe) 18696.2 cm-1
Scaled (by 0.9629) Zero Point Vibrational Energy (zpe) 18002.5 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 MP4/TZVP
ABC
0.14632 0.13685 0.13440

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.194
O2 -1.289 0.000 0.926
O3 1.289 0.000 0.926
C4 0.000 1.418 -0.931
C5 0.000 -1.418 -0.931
H6 0.000 2.301 -0.291
H7 0.000 -2.301 -0.291
H8 0.903 1.389 -1.541
H9 -0.903 1.389 -1.541
H10 -0.903 -1.389 -1.541
H11 0.903 -1.389 -1.541

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.48281.48281.81031.81032.35152.35152.39892.39892.39892.3989
O21.48282.57902.66912.66912.90492.90493.58102.85732.85733.5810
O31.48282.57902.66912.66912.90492.90492.85733.58103.58102.8573
C41.81032.66912.66912.83591.09073.77351.09001.09003.01093.0109
C51.81032.66912.66912.83593.77351.09073.01093.01091.09001.0900
H62.35152.90492.90491.09073.77354.60181.79151.79153.99903.9990
H72.35152.90492.90493.77351.09074.60183.99903.99901.79151.7915
H82.39893.58102.85731.09003.01091.79153.99901.80663.31352.7777
H92.39892.85733.58101.09003.01091.79153.99901.80662.77773.3135
H102.39892.85733.58103.01091.09003.99901.79153.31352.77771.8066
H112.39893.58102.85733.01091.09003.99901.79152.77773.31351.8066

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 105.610 S1 C4 H8 109.067
S1 C4 H9 109.067 S1 C5 H7 105.610
S1 C5 H10 109.067 S1 C5 H11 109.067
O2 S1 O3 120.830 O2 S1 C4 107.875
O2 S1 C5 107.875 O3 S1 C4 107.875
O3 S1 C5 107.875 C4 S1 C5 103.118
H6 C4 H8 110.476 H6 C4 H9 110.476
H7 C5 H10 110.476 H7 C5 H11 110.476
H8 C4 H9 111.929 H10 C5 H11 111.929
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability