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

using model chemistry: CCD/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 CCD/Def2TZVPP
 hartrees
Energy at 0K-627.603042
Energy at 298.15K 
HF Energy-626.570269
Nuclear repulsion energy276.848842
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 CCD/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 3194 3194 0.67      
2 A1 3093 3093 1.33      
3 A1 1484 1484 2.61      
4 A1 1386 1386 29.45      
5 A1 1227 1227 167.37      
6 A1 1029 1029 3.07      
7 A1 724 724 10.71      
8 A1 514 514 29.55      
9 A1 276 276 2.28      
10 A2 3201 3201 0.00      
11 A2 1470 1470 0.00      
12 A2 949 949 0.00      
13 A2 308 308 0.00      
14 A2 189 189 0.00      
15 B1 3205 3205 1.80      
16 B1 1488 1488 0.13      
17 B1 1425 1425 273.55      
18 B1 1011 1011 1.40      
19 B1 371 371 0.65      
20 B1 227 227 0.41      
21 B2 3193 3193 0.33      
22 B2 3091 3091 0.16      
23 B2 1474 1474 4.62      
24 B2 1370 1370 17.83      
25 B2 963 963 81.67      
26 B2 778 778 33.45      
27 B2 477 477 41.47      

Unscaled Zero Point Vibrational Energy (zpe) 19058.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19058.6 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 CCD/Def2TZVPP
ABC
0.15546 0.14441 0.14036

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.190
O2 -1.241 0.000 0.903
O3 1.241 0.000 0.903
C4 0.000 1.388 -0.906
C5 0.000 -1.388 -0.906
H6 0.000 2.269 -0.268
H7 0.000 -2.269 -0.268
H8 0.899 1.370 -1.516
H9 -0.899 1.370 -1.516
H10 -0.899 -1.370 -1.516
H11 0.899 -1.370 -1.516

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43151.43151.76881.76882.31442.31442.36492.36492.36492.3649
O21.43152.48232.59652.59652.83872.83873.50802.80072.80073.5080
O31.43152.48232.59652.59652.83872.83872.80073.50803.50802.8007
C41.76882.59652.59652.77681.08763.71241.08621.08622.96422.9642
C51.76882.59652.59652.77683.71241.08762.96422.96421.08621.0862
H62.31442.83872.83871.08763.71244.53741.78161.78163.95013.9501
H72.31442.83872.83873.71241.08764.53743.95013.95011.78161.7816
H82.36493.50802.80071.08622.96421.78163.95011.79773.27652.7393
H92.36492.80073.50801.08622.96421.78163.95011.79772.73933.2765
H102.36492.80073.50802.96421.08623.95011.78163.27652.73931.7977
H112.36493.50802.80072.96421.08623.95011.78162.73933.27651.7977

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 105.754 S1 C4 H8 109.522
S1 C4 H9 109.522 S1 C5 H7 105.754
S1 C5 H10 109.522 S1 C5 H11 109.522
O2 S1 O3 120.223 O2 S1 C4 107.984
O2 S1 C5 107.984 O3 S1 C4 107.984
O3 S1 C5 107.984 C4 S1 C5 103.425
H6 C4 H8 110.088 H6 C4 H9 110.088
H7 C5 H10 110.088 H7 C5 H11 110.088
H8 C4 H9 111.691 H10 C5 H11 111.691
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability