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

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-240.168043
Energy at 298.15K 
HF Energy-240.168043
Nuclear repulsion energy154.462621
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 B3LYP/LANL2DZ
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 3235 3110 0.63      
2 A1 3094 2974 4.97      
3 A1 1463 1406 9.11      
4 A1 1381 1327 2.54      
5 A1 1064 1023 54.74      
6 A1 782 752 50.99      
7 A1 556 535 4.70      
8 A1 328 315 21.08      
9 A1 215 207 3.48      
10 A2 3236 3111 0.00      
11 A2 1471 1414 0.00      
12 A2 986 948 0.00      
13 A2 228 219 0.00      
14 A2 141 135 0.00      
15 B1 3239 3113 3.71      
16 B1 1480 1423 28.39      
17 B1 1077 1035 60.54      
18 B1 877 843 32.88      
19 B1 268 258 1.60      
20 B1 174 167 0.35      
21 B2 3234 3108 0.00      
22 B2 3092 2972 0.05      
23 B2 1452 1396 14.06      
24 B2 1358 1305 2.83      
25 B2 978 940 17.65      
26 B2 642 617 41.38      
27 B2 318 306 42.14      

Unscaled Zero Point Vibrational Energy (zpe) 18183.7 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 17478.2 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 B3LYP/LANL2DZ
ABC
0.12636 0.12197 0.11761

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.227
O2 -1.436 0.000 1.025
O3 1.436 0.000 1.025
C4 0.000 1.502 -0.928
C5 0.000 -1.502 -0.928
H6 0.000 2.365 -0.260
H7 0.000 -2.365 -0.260
H8 0.910 1.463 -1.528
H9 -0.910 1.463 -1.528
H10 -0.910 -1.463 -1.528
H11 0.910 -1.463 -1.528

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.64281.64281.89451.89452.41472.41472.45862.45862.45862.4586
O21.64282.87122.85152.85153.05063.05063.76282.98852.98853.7628
O31.64282.87122.85152.85153.05063.05062.98853.76283.76282.9885
C41.89452.85152.85153.00481.09103.92481.09101.09103.15913.1591
C51.89452.85152.85153.00483.92481.09103.15913.15911.09101.0910
H62.41473.05063.05061.09103.92484.73031.80281.80284.13374.1337
H72.41473.05063.05063.92481.09104.73034.13374.13371.80281.8028
H82.45863.76282.98851.09103.15911.80284.13371.82073.44552.9252
H92.45862.98853.76281.09103.15911.80284.13371.82072.92523.4455
H102.45862.98853.76283.15911.09104.13371.80283.44552.92521.8207
H112.45863.76282.98853.15911.09104.13371.80282.92523.44551.8207

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 104.733 S1 C4 H8 107.824
S1 C4 H9 107.824 S1 C5 H7 104.733
S1 C5 H10 107.824 S1 C5 H11 107.824
O2 S1 O3 121.827 O2 S1 C4 107.226
O2 S1 C5 107.226 O3 S1 C4 107.226
O3 S1 C5 107.226 C4 S1 C5 104.937
H6 C4 H8 111.432 H6 C4 H9 111.432
H7 C5 H10 111.432 H7 C5 H11 111.432
H8 C4 H9 113.110 H10 C5 H11 113.110
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.015      
2 O -0.603      
3 O -0.603      
4 C -0.702      
5 C -0.702      
6 H 0.292      
7 H 0.292      
8 H 0.253      
9 H 0.253      
10 H 0.253      
11 H 0.253      


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 -6.196 6.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -46.680 0.000 0.000
y 0.000 -30.833 0.000
z 0.000 0.000 -40.109
Traceless
 xyz
x -11.209 0.000 0.000
y 0.000 12.562 0.000
z 0.000 0.000 -1.352
Polar
3z2-r2-2.705
x2-y2-15.848
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.836 0.000 0.000
y 0.000 7.694 0.000
z 0.000 0.000 7.192


<r2> (average value of r2) Å2
<r2> 144.525
(<r2>)1/2 12.022