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

using model chemistry: CCSD=FULL/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 CCSD=FULL/cc-pVDZ
 hartrees
Energy at 0K-627.262790
Energy at 298.15K 
HF Energy-626.400300
Nuclear repulsion energy271.015437
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 CCSD=FULL/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 3212 3212 0.66      
2 A1 3095 3095 2.51      
3 A1 1461 1461 2.97      
4 A1 1355 1355 13.92      
5 A1 1137 1137 162.93      
6 A1 1008 1008 0.01      
7 A1 694 694 10.94      
8 A1 473 473 30.95      
9 A1 267 267 1.82      
10 A2 3215 3215 0.00      
11 A2 1451 1451 0.00      
12 A2 926 926 0.00      
13 A2 283 283 0.00      
14 A2 178 178 0.00      
15 B1 3219 3219 2.72      
16 B1 1466 1466 7.97      
17 B1 1330 1330 208.88      
18 B1 989 989 0.30      
19 B1 348 348 1.70      
20 B1 211 211 0.54      
21 B2 3211 3211 0.32      
22 B2 3093 3093 0.23      
23 B2 1452 1452 6.44      
24 B2 1337 1337 9.88      
25 B2 946 946 67.08      
26 B2 755 755 45.26      
27 B2 442 442 45.08      

Unscaled Zero Point Vibrational Energy (zpe) 18776.5 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18776.5 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 CCSD=FULL/cc-pVDZ
ABC
0.14804 0.13805 0.13657

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.286 0.000 0.916
O3 1.286 0.000 0.916
C4 0.000 1.407 -0.921
C5 0.000 -1.407 -0.921
H6 0.000 2.295 -0.272
H7 0.000 -2.295 -0.272
H8 0.911 1.386 -1.537
H9 -0.911 1.386 -1.537
H10 -0.911 -1.386 -1.537
H11 0.911 -1.386 -1.537

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47561.47561.79431.79432.34172.34172.39652.39652.39652.3965
O21.47562.57252.64732.64732.88672.88673.57302.84202.84203.5730
O31.47562.57252.64732.64732.88672.88672.84203.57303.57302.8420
C41.79432.64732.64732.81301.10073.75821.09991.09993.00133.0013
C51.79432.64732.64732.81303.75821.10073.00133.00131.09991.0999
H62.34172.88672.88671.10073.75824.59031.80471.80473.99783.9978
H72.34172.88672.88673.75821.10074.59033.99783.99781.80471.8047
H82.39653.57302.84201.09993.00131.80473.99781.82293.31792.7722
H92.39652.84203.57301.09993.00131.80473.99781.82292.77223.3179
H102.39652.84203.57303.00131.09993.99781.80473.31792.77221.8229
H112.39653.57302.84203.00131.09993.99781.80472.77223.31791.8229

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 105.457 S1 C4 H8 109.441
S1 C4 H9 109.441 S1 C5 H7 105.457
S1 C5 H10 109.441 S1 C5 H11 109.441
O2 S1 O3 121.311 O2 S1 C4 107.715
O2 S1 C5 107.715 O3 S1 C4 107.715
O3 S1 C5 107.715 C4 S1 C5 103.235
H6 C4 H8 110.186 H6 C4 H9 110.186
H7 C5 H10 110.186 H7 C5 H11 110.186
H8 C4 H9 111.922 H10 C5 H11 111.922
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability