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

using model chemistry: CCD/cc-pVDZ

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/cc-pVDZ
 hartrees
Energy at 0K-627.237076
Energy at 298.15K 
HF Energy-626.400648
Nuclear repulsion energy271.364931
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/cc-pVDZ
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 3213 3073 0.53      
2 A1 3096 2962 2.18      
3 A1 1461 1398 3.05      
4 A1 1360 1301 16.86      
5 A1 1153 1103 174.27      
6 A1 1012 969 0.19      
7 A1 702 672 11.83      
8 A1 480 459 32.06      
9 A1 268 257 1.84      
10 A2 3217 3078 0.00      
11 A2 1451 1388 0.00      
12 A2 929 889 0.00      
13 A2 285 273 0.00      
14 A2 179 171 0.00      
15 B1 3220 3081 2.41      
16 B1 1467 1403 6.91      
17 B1 1348 1289 229.10      
18 B1 994 951 0.41      
19 B1 351 335 1.76      
20 B1 213 203 0.57      
21 B2 3211 3072 0.37      
22 B2 3094 2960 0.11      
23 B2 1452 1389 6.08      
24 B2 1342 1284 11.31      
25 B2 950 909 71.38      
26 B2 761 728 45.34      
27 B2 448 428 46.74      

Unscaled Zero Point Vibrational Energy (zpe) 18826.8 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 18011.6 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/cc-pVDZ
ABC
0.14859 0.13842 0.13669

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.282 0.000 0.915
O3 1.282 0.000 0.915
C4 0.000 1.406 -0.920
C5 0.000 -1.406 -0.920
H6 0.000 2.295 -0.270
H7 0.000 -2.295 -0.270
H8 0.912 1.387 -1.536
H9 -0.912 1.387 -1.536
H10 -0.912 -1.387 -1.536
H11 0.912 -1.387 -1.536

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47181.47181.79341.79342.34172.34172.39642.39642.39642.3964
O21.47182.56472.64402.64402.88422.88423.57012.84022.84023.5701
O31.47182.56472.64402.64402.88422.88422.84023.57013.57012.8402
C41.79342.64402.64402.81251.10153.75841.10071.10073.00173.0017
C51.79342.64402.64402.81253.75841.10153.00173.00171.10071.1007
H62.34172.88422.88421.10153.75844.59091.80571.80573.99893.9989
H72.34172.88422.88423.75841.10154.59093.99893.99891.80571.8057
H82.39643.57012.84021.10073.00171.80573.99891.82443.31932.7730
H92.39642.84023.57011.10073.00171.80573.99891.82442.77303.3193
H102.39642.84023.57013.00171.10073.99891.80573.31932.77301.8244
H112.39643.57012.84023.00171.10073.99891.80572.77303.31931.8244

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 105.467 S1 C4 H8 109.454
S1 C4 H9 109.454 S1 C5 H7 105.467
S1 C5 H10 109.454 S1 C5 H11 109.454
O2 S1 O3 121.215 O2 S1 C4 107.734
O2 S1 C5 107.734 O3 S1 C4 107.734
O3 S1 C5 107.734 C4 S1 C5 103.278
H6 C4 H8 110.157 H6 C4 H9 110.157
H7 C5 H10 110.157 H7 C5 H11 110.157
H8 C4 H9 111.942 H10 C5 H11 111.942
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability