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

using model chemistry: MP4/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP4/6-31G*
 hartrees
Energy at 0K-627.216343
Energy at 298.15K 
HF Energy-626.386658
Nuclear repulsion energy270.958037
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 MP4/6-31G*
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 3192 3048        
2 A1 3085 2945        
3 A1 1503 1435        
4 A1 1410 1346        
5 A1 1148 1096        
6 A1 1036 990        
7 A1 693 661        
8 A1 477 455        
9 A1 272 260        
10 A2 3193 3048        
11 A2 1491 1424        
12 A2 975 931        
13 A2 286 273        
14 A2 195 186        
15 B1 3196 3052        
16 B1 1507 1438        
17 B1 1335 1275        
18 B1 1029 983        
19 B1 360 343        
20 B1 226 216        
21 B2 3191 3047        
22 B2 3083 2943        
23 B2 1495 1427        
24 B2 1392 1329        
25 B2 988 943        
26 B2 772 737        
27 B2 442 422        

Unscaled Zero Point Vibrational Energy (zpe) 18984.4 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 18126.3 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 MP4/6-31G*
ABC
0.14814 0.13782 0.13624

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP4/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.192
O2 -1.286 0.000 0.917
O3 1.286 0.000 0.917
C4 0.000 1.409 -0.920
C5 0.000 -1.409 -0.920
H6 0.000 2.301 -0.284
H7 0.000 -2.301 -0.284
H8 0.904 1.391 -1.537
H9 -0.904 1.391 -1.537
H10 -0.904 -1.391 -1.537
H11 0.904 -1.391 -1.537

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47641.47641.79471.79472.34982.34982.39612.39612.39612.3961
O21.47642.57182.64822.64822.89682.89683.57132.84682.84683.5713
O31.47642.57182.64822.64822.89682.89682.84683.57133.57132.8468
C41.79472.64822.64822.81821.09553.76441.09481.09483.00673.0067
C51.79472.64822.64822.81823.76441.09553.00673.00671.09481.0948
H62.34982.89682.89681.09553.76444.60231.79321.79324.00274.0027
H72.34982.89682.89683.76441.09554.60234.00274.00271.79321.7932
H82.39613.57132.84681.09483.00671.79324.00271.80793.31832.7825
H92.39612.84683.57131.09483.00671.79324.00271.80792.78253.3183
H102.39612.84683.57133.00671.09484.00271.79323.31832.78251.8079
H112.39613.57132.84683.00671.09484.00271.79322.78253.31831.8079

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 106.256 S1 C4 H8 109.658
S1 C4 H9 109.658 S1 C5 H7 106.256
S1 C5 H10 109.658 S1 C5 H11 109.658
O2 S1 O3 121.140 O2 S1 C4 107.716
O2 S1 C5 107.716 O3 S1 C4 107.716
O3 S1 C5 107.716 C4 S1 C5 103.471
H6 C4 H8 109.911 H6 C4 H9 109.911
H7 C5 H10 109.911 H7 C5 H11 109.911
H8 C4 H9 111.319 H10 C5 H11 111.319
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability