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

using model chemistry: B2PLYP=FULL/TZVP

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/TZVP
 hartrees
Energy at 0K-628.171009
Energy at 298.15K 
HF Energy-627.854114
Nuclear repulsion energy270.375617
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/TZVP
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 3197 3050 0.54      
2 A1 3089 2948 2.22      
3 A1 1475 1408 4.38      
4 A1 1373 1310 10.41      
5 A1 1113 1062 165.51      
6 A1 1014 968 3.11      
7 A1 659 629 11.02      
8 A1 456 435 27.47      
9 A1 261 249 2.41      
10 A2 3198 3052 0.00      
11 A2 1464 1397 0.00      
12 A2 950 907 0.00      
13 A2 290 276 0.00      
14 A2 174 166 0.00      
15 B1 3202 3055 1.96      
16 B1 1480 1412 9.76      
17 B1 1286 1227 239.52      
18 B1 1000 954 0.00      
19 B1 351 335 1.23      
20 B1 212 202 0.46      
21 B2 3195 3049 0.38      
22 B2 3086 2945 0.00      
23 B2 1465 1398 6.53      
24 B2 1354 1292 9.89      
25 B2 957 913 51.97      
26 B2 733 699 51.68      
27 B2 439 419 39.15      

Unscaled Zero Point Vibrational Energy (zpe) 18736.0 cm-1
Scaled (by 0.9542) Zero Point Vibrational Energy (zpe) 17877.9 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/TZVP
ABC
0.14778 0.13699 0.13477

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP=FULL/TZVP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.190
O2 -1.284 0.000 0.922
O3 1.284 0.000 0.922
C4 0.000 1.422 -0.925
C5 0.000 -1.422 -0.925
H6 0.000 2.297 -0.281
H7 0.000 -2.297 -0.281
H8 0.900 1.399 -1.533
H9 -0.900 1.399 -1.533
H10 -0.900 -1.399 -1.533
H11 0.900 -1.399 -1.533

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47801.47801.80711.80712.34482.34482.39502.39502.39502.3950
O21.47802.56832.66122.66122.89342.89343.57132.85122.85123.5713
O31.47802.56832.66122.66122.89342.89342.85123.57133.57132.8512
C41.80712.66122.66122.84341.08703.77411.08641.08643.02253.0225
C51.80712.66122.66122.84343.77411.08703.02253.02251.08641.0864
H62.34482.89342.89341.08703.77414.59401.78471.78474.00474.0047
H72.34482.89342.89343.77411.08704.59404.00474.00471.78471.7847
H82.39503.57132.85121.08643.02251.78474.00471.80083.32722.7977
H92.39502.85123.57131.08643.02251.78474.00471.80082.79773.3272
H102.39502.85123.57133.02251.08644.00471.78473.32722.79771.8008
H112.39503.57132.85123.02251.08644.00471.78472.79773.32721.8008

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 105.517 S1 C4 H8 109.187
S1 C4 H9 109.187 S1 C5 H7 105.517
S1 C5 H10 109.187 S1 C5 H11 109.187
O2 S1 O3 120.655 O2 S1 C4 107.793
O2 S1 C5 107.793 O3 S1 C4 107.793
O3 S1 C5 107.793 C4 S1 C5 103.764
H6 C4 H8 110.393 H6 C4 H9 110.393
H7 C5 H10 110.393 H7 C5 H11 110.393
H8 C4 H9 111.948 H10 C5 H11 111.948
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability