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

using model chemistry: PBEPBE/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/cc-pV(T+d)Z
 hartrees
Energy at 0K-628.126601
Energy at 298.15K 
HF Energy-628.126601
Nuclear repulsion energy272.662245
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 PBEPBE/cc-pV(T+d)Z
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 3094 3071 1.27      
2 A1 2995 2972 1.69      
3 A1 1407 1396 2.71      
4 A1 1285 1276 22.81      
5 A1 1134 1126 134.78      
6 A1 967 959 2.38      
7 A1 645 641 13.08      
8 A1 468 465 18.39      
9 A1 260 258 2.54      
10 A2 3098 3075 0.00      
11 A2 1394 1383 0.00      
12 A2 888 881 0.00      
13 A2 281 279 0.00      
14 A2 171 170 0.00      
15 B1 3102 3079 2.83      
16 B1 1412 1402 2.89      
17 B1 1329 1319 204.00      
18 B1 945 938 1.24      
19 B1 343 341 0.16      
20 B1 203 201 0.49      
21 B2 3093 3070 0.58      
22 B2 2992 2970 0.04      
23 B2 1396 1385 6.20      
24 B2 1268 1259 16.27      
25 B2 900 893 71.27      
26 B2 703 698 47.20      
27 B2 436 432 25.79      

Unscaled Zero Point Vibrational Energy (zpe) 18103.4 cm-1
Scaled (by 0.9926) Zero Point Vibrational Energy (zpe) 17969.4 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 PBEPBE/cc-pV(T+d)Z
ABC
0.15079 0.13963 0.13636

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.264 0.000 0.914
O3 1.264 0.000 0.914
C4 0.000 1.411 -0.919
C5 0.000 -1.411 -0.919
H6 0.000 2.294 -0.268
H7 0.000 -2.294 -0.268
H8 0.907 1.396 -1.534
H9 -0.907 1.396 -1.534
H10 -0.907 -1.396 -1.534
H11 0.907 -1.396 -1.534

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45531.45531.79711.79712.33962.33962.39872.39872.39872.3987
O21.45532.52862.63652.63652.87342.87343.55722.84012.84013.5572
O31.45532.52862.63652.63652.87342.87342.84013.55723.55722.8401
C41.79712.63652.63652.82291.09663.76201.09561.09563.01393.0139
C51.79712.63652.63652.82293.76201.09663.01393.01391.09561.0956
H62.33962.87342.87341.09663.76204.58741.79701.79704.00514.0051
H72.33962.87342.87343.76201.09664.58744.00514.00511.79701.7970
H82.39873.55722.84011.09563.01391.79704.00511.81423.33022.7927
H92.39872.84013.55721.09563.01391.79704.00511.81422.79273.3302
H102.39872.84013.55723.01391.09564.00511.79703.33022.79271.8142
H112.39873.55722.84013.01391.09564.00511.79702.79273.33021.8142

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 105.326 S1 C4 H8 109.644
S1 C4 H9 109.644 S1 C5 H7 105.326
S1 C5 H10 109.644 S1 C5 H11 109.644
O2 S1 O3 120.632 O2 S1 C4 107.850
O2 S1 C5 107.850 O3 S1 C4 107.850
O3 S1 C5 107.850 C4 S1 C5 103.515
H6 C4 H8 110.121 H6 C4 H9 110.121
H7 C5 H10 110.121 H7 C5 H11 110.121
H8 C4 H9 111.783 H10 C5 H11 111.783
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.707      
2 O -0.413      
3 O -0.413      
4 C -0.294      
5 C -0.294      
6 H 0.130      
7 H 0.130      
8 H 0.112      
9 H 0.112      
10 H 0.112      
11 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -4.178 4.178
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.420 0.000 0.000
y 0.000 -32.107 0.000
z 0.000 0.000 -38.175
Traceless
 xyz
x -7.279 0.000 0.000
y 0.000 8.190 0.000
z 0.000 0.000 -0.911
Polar
3z2-r2-1.822
x2-y2-10.313
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.227 0.000 0.000
y 0.000 8.198 0.000
z 0.000 0.000 7.441


<r2> (average value of r2) Å2
<r2> 128.207
(<r2>)1/2 11.323