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

using model chemistry: B2PLYP=FULL/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP=FULL/3-21G*
 hartrees
Energy at 0K-624.855234
Energy at 298.15K 
HF Energy-624.655760
Nuclear repulsion energy272.064204
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 B2PLYP=FULL/3-21G*
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 3181 3181 1.35      
2 A1 3096 3096 1.44      
3 A1 1548 1548 3.98      
4 A1 1453 1453 18.61      
5 A1 1173 1173 155.62      
6 A1 1056 1056 0.34      
7 A1 685 685 16.99      
8 A1 492 492 22.38      
9 A1 293 293 2.33      
10 A2 3186 3186 0.00      
11 A2 1533 1533 0.00      
12 A2 993 993 0.00      
13 A2 282 282 0.00      
14 A2 197 197 0.00      
15 B1 3191 3191 4.27      
16 B1 1549 1549 18.91      
17 B1 1384 1384 167.27      
18 B1 1050 1050 2.99      
19 B1 363 363 1.10      
20 B1 226 226 0.56      
21 B2 3179 3179 0.06      
22 B2 3093 3093 0.00      
23 B2 1537 1537 12.05      
24 B2 1439 1439 27.76      
25 B2 1000 1000 62.92      
26 B2 760 760 76.17      
27 B2 437 437 31.13      

Unscaled Zero Point Vibrational Energy (zpe) 19187.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 19187.3 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 B2PLYP=FULL/3-21G*
ABC
0.14752 0.14116 0.13672

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.199
O2 -1.274 0.000 0.928
O3 1.274 0.000 0.928
C4 0.000 1.386 -0.931
C5 0.000 -1.386 -0.931
H6 0.000 2.294 -0.326
H7 0.000 -2.294 -0.326
H8 0.897 1.368 -1.552
H9 -0.897 1.368 -1.552
H10 -0.897 -1.368 -1.552
H11 0.897 -1.368 -1.552

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46791.46791.78851.78852.35382.35382.39662.39662.39662.3966
O21.46792.54882.64592.64592.90872.90873.56882.85722.85723.5688
O31.46792.54882.64592.64592.90872.90872.85723.56883.56882.8572
C41.78852.64592.64592.77111.09233.72951.09091.09092.96152.9615
C51.78852.64592.64592.77113.72951.09232.96152.96151.09091.0909
H62.35382.90872.90871.09233.72954.58901.77971.77973.96493.9649
H72.35382.90872.90873.72951.09234.58903.96493.96491.77971.7797
H82.39663.56882.85721.09092.96151.77973.96491.79393.27132.7355
H92.39662.85723.56881.09092.96151.77973.96491.79392.73553.2713
H102.39662.85723.56882.96151.09093.96491.77973.27132.73551.7939
H112.39663.56882.85722.96151.09093.96491.77972.73553.27131.7939

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 107.099 S1 C4 H8 110.314
S1 C4 H9 110.314 S1 C5 H7 107.099
S1 C5 H10 110.314 S1 C5 H11 110.314
O2 S1 O3 120.501 O2 S1 C4 108.287
O2 S1 C5 108.287 O3 S1 C4 108.287
O3 S1 C5 108.287 C4 S1 C5 101.554
H6 C4 H8 109.212 H6 C4 H9 109.212
H7 C5 H10 109.212 H7 C5 H11 109.212
H8 C4 H9 110.610 H10 C5 H11 110.610
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability