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

using model chemistry: HF/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/6-31G(2df,p)
 hartrees
Energy at 0K-626.456781
Energy at 298.15K 
HF Energy-626.456781
Nuclear repulsion energy278.445327
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 HF/6-31G(2df,p)
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 3304 2991 2.72      
2 A1 3204 2901 2.36      
3 A1 1577 1428 1.75      
4 A1 1497 1355 25.81      
5 A1 1286 1164 194.54      
6 A1 1102 998 1.53      
7 A1 761 689 9.47      
8 A1 548 496 36.72      
9 A1 293 266 2.64      
10 A2 3305 2993 0.00      
11 A2 1564 1417 0.00      
12 A2 1023 926 0.00      
13 A2 323 293 0.00      
14 A2 195 177 0.00      
15 B1 3311 2998 7.47      
16 B1 1583 1433 2.30      
17 B1 1491 1350 290.34      
18 B1 1086 984 0.90      
19 B1 388 351 0.59      
20 B1 228 207 0.46      
21 B2 3302 2990 0.01      
22 B2 3201 2898 0.34      
23 B2 1568 1420 4.18      
24 B2 1479 1339 12.02      
25 B2 1035 937 90.97      
26 B2 823 745 33.21      
27 B2 504 457 52.42      

Unscaled Zero Point Vibrational Energy (zpe) 19990.2 cm-1
Scaled (by 0.9055) Zero Point Vibrational Energy (zpe) 18101.1 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 HF/6-31G(2df,p)
ABC
0.15854 0.14531 0.14068

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.188
O2 -1.225 0.000 0.896
O3 1.225 0.000 0.896
C4 0.000 1.395 -0.899
C5 0.000 -1.395 -0.899
H6 0.000 2.269 -0.261
H7 0.000 -2.269 -0.261
H8 0.893 1.383 -1.508
H9 -0.893 1.383 -1.508
H10 -0.893 -1.383 -1.508
H11 0.893 -1.383 -1.508

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.41551.41551.76791.76792.31312.31312.36352.36352.36352.3635
O21.41552.45092.58242.58242.82672.82673.49032.79342.79343.4903
O31.41552.45092.58242.58242.82672.82672.79343.49033.49032.7934
C41.76792.58242.58242.78901.08243.71871.08151.08152.98022.9802
C51.76792.58242.58242.78903.71871.08242.98022.98021.08151.0815
H62.31312.82672.82671.08243.71874.53821.77181.77183.96083.9608
H72.31312.82672.82673.71871.08244.53823.96083.96081.77181.7718
H82.36353.49032.79341.08152.98021.77183.96081.78693.29222.7651
H92.36352.79343.49031.08152.98021.77183.96081.78692.76513.2922
H102.36352.79343.49032.98021.08153.96081.77183.29222.76511.7869
H112.36353.49032.79342.98021.08153.96081.77182.76513.29221.7869

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 105.977 S1 C4 H8 109.729
S1 C4 H9 109.729 S1 C5 H7 105.977
S1 C5 H10 109.729 S1 C5 H11 109.729
O2 S1 O3 119.933 O2 S1 C4 107.917
O2 S1 C5 107.917 O3 S1 C4 107.917
O3 S1 C5 107.917 C4 S1 C5 104.146
H6 C4 H8 109.930 H6 C4 H9 109.930
H7 C5 H10 109.930 H7 C5 H11 109.930
H8 C4 H9 111.401 H10 C5 H11 111.401
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.826      
2 O -0.444      
3 O -0.444      
4 C -0.534      
5 C -0.534      
6 H 0.204      
7 H 0.204      
8 H 0.181      
9 H 0.181      
10 H 0.181      
11 H 0.181      


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 -4.701 4.701
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.779 0.000 0.000
y 0.000 -31.215 0.000
z 0.000 0.000 -37.921
Traceless
 xyz
x -8.211 0.000 0.000
y 0.000 9.135 0.000
z 0.000 0.000 -0.925
Polar
3z2-r2-1.849
x2-y2-11.564
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.882 0.000 0.000
y 0.000 6.521 0.000
z 0.000 0.000 6.020


<r2> (average value of r2) Å2
<r2> 124.145
(<r2>)1/2 11.142