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

using model chemistry: CCSD=FULL/Def2TZVPP

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at CCSD=FULL/Def2TZVPP
 hartrees
Energy at 0K-627.848604
Energy at 298.15K 
HF Energy-626.570247
Nuclear repulsion energy276.925528
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 CCSD=FULL/Def2TZVPP
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 3187 3187 0.80      
2 A1 3087 3087 1.46      
3 A1 1486 1486 2.62      
4 A1 1386 1386 26.31      
5 A1 1217 1217 161.49      
6 A1 1028 1028 2.49      
7 A1 722 722 10.01      
8 A1 510 510 28.74      
9 A1 276 276 2.27      
10 A2 3193 3193 0.00      
11 A2 1470 1470 0.00      
12 A2 948 948 0.00      
13 A2 307 307 0.00      
14 A2 188 188 0.00      
15 B1 3197 3197 2.03      
16 B1 1488 1488 0.81      
17 B1 1415 1415 258.68      
18 B1 1010 1010 1.28      
19 B1 370 370 0.63      
20 B1 227 227 0.41      
21 B2 3185 3185 0.29      
22 B2 3085 3085 0.10      
23 B2 1476 1476 4.81      
24 B2 1369 1369 17.43      
25 B2 962 962 79.12      
26 B2 777 777 32.81      
27 B2 474 474 40.48      

Unscaled Zero Point Vibrational Energy (zpe) 19018.8 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19018.8 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 CCSD=FULL/Def2TZVPP
ABC
0.15545 0.14449 0.14061

See section I.F.4 to change rotational constant units
Geometric Data calculated at CCSD=FULL/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.242 0.000 0.903
O3 1.242 0.000 0.903
C4 0.000 1.387 -0.906
C5 0.000 -1.387 -0.906
H6 0.000 2.265 -0.268
H7 0.000 -2.265 -0.268
H8 0.897 1.368 -1.514
H9 -0.897 1.368 -1.514
H10 -0.897 -1.368 -1.514
H11 0.897 -1.368 -1.514

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43271.43271.76701.76702.31082.31082.36162.36162.36162.3616
O21.43272.48442.59572.59572.83622.83623.50582.79842.79843.5058
O31.43272.48442.59572.59572.83622.83622.79843.50583.50582.7984
C41.76702.59572.59572.77411.08573.70771.08441.08442.96062.9606
C51.76702.59572.59572.77413.70771.08572.96062.96061.08441.0844
H62.31082.83622.83621.08573.70774.53061.77901.77903.94453.9445
H72.31082.83622.83623.70771.08574.53063.94453.94451.77901.7790
H82.36163.50582.79841.08442.96061.77903.94451.79493.27202.7357
H92.36162.79843.50581.08442.96061.77903.94451.79492.73573.2720
H102.36162.79843.50582.96061.08443.94451.77903.27202.73571.7949
H112.36163.50582.79842.96061.08443.94451.77902.73573.27201.7949

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 105.711 S1 C4 H8 109.493
S1 C4 H9 109.493 S1 C5 H7 105.711
S1 C5 H10 109.493 S1 C5 H11 109.493
O2 S1 O3 120.236 O2 S1 C4 107.979
O2 S1 C5 107.979 O3 S1 C4 107.979
O3 S1 C5 107.979 C4 S1 C5 103.436
H6 C4 H8 110.130 H6 C4 H9 110.130
H7 C5 H10 110.130 H7 C5 H11 110.130
H8 C4 H9 111.704 H10 C5 H11 111.704
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability