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

using model chemistry: MP2=FULL/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2=FULL/aug-cc-pVTZ
 hartrees
Energy at 0K-627.703572
Energy at 298.15K 
HF Energy-626.549455
Nuclear repulsion energy274.972867
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 MP2=FULL/aug-cc-pVTZ
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 3203 3048 0.00      
2 A1 3107 2956 1.21      
3 A1 1489 1416 3.52      
4 A1 1362 1296 22.22      
5 A1 1170 1114 150.27      
6 A1 1019 969 1.04      
7 A1 711 676 8.92      
8 A1 480 457 24.02      
9 A1 272 258 2.31      
10 A2 3211 3055 0.00      
11 A2 1474 1402 0.00      
12 A2 939 894 0.00      
13 A2 296 282 0.00      
14 A2 172 163 0.00      
15 B1 3215 3058 0.03      
16 B1 1494 1421 6.54      
17 B1 1353 1288 254.19      
18 B1 998 950 0.95      
19 B1 356 339 0.51      
20 B1 221 210 0.35      
21 B2 3202 3047 1.75      
22 B2 3105 2954 0.79      
23 B2 1477 1405 5.68      
24 B2 1346 1281 19.25      
25 B2 952 906 64.66      
26 B2 769 731 31.19      
27 B2 453 431 34.75      

Unscaled Zero Point Vibrational Energy (zpe) 18923.2 cm-1
Scaled (by 0.9514) Zero Point Vibrational Energy (zpe) 18003.6 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 MP2=FULL/aug-cc-pVTZ
ABC
0.15250 0.14254 0.13993

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.186
O2 -1.261 0.000 0.909
O3 1.261 0.000 0.909
C4 0.000 1.389 -0.911
C5 0.000 -1.389 -0.911
H6 0.000 2.263 -0.267
H7 0.000 -2.263 -0.267
H8 0.900 1.362 -1.515
H9 -0.900 1.362 -1.515
H10 -0.900 -1.362 -1.515
H11 0.900 -1.362 -1.515

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45361.45361.77001.77002.30762.30762.35772.35772.35772.3577
O21.45362.52302.61362.61362.84472.84473.52122.80362.80363.5212
O31.45362.52302.61362.61362.84472.84472.80363.52123.52122.8036
C41.77002.61362.61362.77791.08553.70801.08401.08402.95662.9566
C51.77002.61362.61362.77793.70801.08552.95662.95661.08401.0840
H62.30762.84472.84471.08553.70804.52531.78301.78303.93763.9376
H72.30762.84472.84473.70801.08554.52533.93763.93761.78301.7830
H82.35773.52122.80361.08402.95661.78303.93761.79913.26432.7238
H92.35772.80363.52121.08402.95661.78303.93761.79912.72383.2643
H102.35772.80363.52122.95661.08403.93761.78303.26432.72381.7991
H112.35773.52122.80362.95661.08403.93761.78302.72383.26431.7991

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 105.293 S1 C4 H8 109.021
S1 C4 H9 109.021 S1 C5 H7 105.293
S1 C5 H10 109.021 S1 C5 H11 109.021
O2 S1 O3 120.412 O2 S1 C4 107.939
O2 S1 C5 107.939 O3 S1 C4 107.939
O3 S1 C5 107.939 C4 S1 C5 103.388
H6 C4 H8 110.542 H6 C4 H9 110.542
H7 C5 H10 110.542 H7 C5 H11 110.542
H8 C4 H9 112.168 H10 C5 H11 112.168
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability