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

using model chemistry: B3LYP/6-31G*

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/6-31G*
 hartrees
Energy at 0K-628.400813
Energy at 298.15K 
HF Energy-628.400813
Nuclear repulsion energy270.606379
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/6-31G*
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 3184 3057 1.16      
2 A1 3084 2961 1.72      
3 A1 1489 1430 2.62      
4 A1 1383 1328 11.94      
5 A1 1139 1093 162.53      
6 A1 1021 981 0.07      
7 A1 660 634 12.40      
8 A1 474 455 22.88      
9 A1 265 254 2.41      
10 A2 3184 3058 0.00      
11 A2 1478 1419 0.00      
12 A2 954 916 0.00      
13 A2 279 267 0.00      
14 A2 187 180 0.00      
15 B1 3188 3062 4.14      
16 B1 1494 1434 11.87      
17 B1 1329 1276 211.73      
18 B1 1010 970 0.80      
19 B1 353 339 0.58      
20 B1 214 206 0.47      
21 B2 3183 3056 0.35      
22 B2 3081 2958 0.00      
23 B2 1480 1421 8.08      
24 B2 1364 1310 9.25      
25 B2 963 925 61.59      
26 B2 734 705 53.65      
27 B2 435 418 33.27      

Unscaled Zero Point Vibrational Energy (zpe) 18802.5 cm-1
Scaled (by 0.9603) Zero Point Vibrational Energy (zpe) 18056.0 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/6-31G*
ABC
0.14825 0.13732 0.13446

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.195
O2 -1.278 0.000 0.921
O3 1.278 0.000 0.921
C4 0.000 1.422 -0.926
C5 0.000 -1.422 -0.926
H6 0.000 2.308 -0.286
H7 0.000 -2.308 -0.286
H8 0.902 1.405 -1.541
H9 -0.902 1.405 -1.541
H10 -0.902 -1.405 -1.541
H11 0.902 -1.405 -1.541

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47001.47001.81031.81032.35742.35742.40832.40832.40832.4083
O21.47002.55652.65802.65802.90112.90113.57592.85902.85903.5759
O31.47002.55652.65802.65802.90112.90112.85903.57593.57592.8590
C41.81032.65802.65802.84371.09263.78411.09201.09203.03053.0305
C51.81032.65802.65802.84373.78411.09263.03053.03051.09201.0920
H62.35742.90112.90111.09263.78414.61551.78951.78954.02164.0216
H72.35742.90112.90113.78411.09264.61554.02164.02161.78951.7895
H82.40833.57592.85901.09203.03051.78954.02161.80473.33982.8102
H92.40832.85903.57591.09203.03051.78954.02161.80472.81023.3398
H102.40832.85903.57593.03051.09204.02161.78953.33982.81021.8047
H112.40833.57592.85903.03051.09204.02161.78952.81023.33981.8047

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 105.934 S1 C4 H8 109.660
S1 C4 H9 109.660 S1 C5 H7 105.934
S1 C5 H10 109.660 S1 C5 H11 109.660
O2 S1 O3 120.812 O2 S1 C4 107.799
O2 S1 C5 107.799 O3 S1 C4 107.799
O3 S1 C5 107.799 C4 S1 C5 103.519
H6 C4 H8 109.996 H6 C4 H9 109.996
H7 C5 H10 109.996 H7 C5 H11 109.996
H8 C4 H9 111.445 H10 C5 H11 111.445
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.074      
2 O -0.528      
3 O -0.528      
4 C -0.630      
5 C -0.630      
6 H 0.224      
7 H 0.224      
8 H 0.199      
9 H 0.199      
10 H 0.199      
11 H 0.199      


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 -4.605 4.605
CHELPG 0.000 0.000 -4.642 4.642
AIM        
ESP 0.002 0.000 -4.630 4.630


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.877 0.000 0.000
y 0.000 -31.529 0.000
z 0.000 0.000 -38.160
Traceless
 xyz
x -8.033 0.000 0.000
y 0.000 8.990 0.000
z 0.000 0.000 -0.957
Polar
3z2-r2-1.913
x2-y2-11.349
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.301 0.000 0.000
y 0.000 6.816 0.000
z 0.000 0.000 6.334


<r2> (average value of r2) Å2
<r2> 129.756
(<r2>)1/2 11.391