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

using model chemistry: B3LYP/SDD

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/SDD
 hartrees
Energy at 0K-628.233922
Energy at 298.15K 
HF Energy-628.233922
Nuclear repulsion energy253.104437
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/SDD
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 3238 3113 0.75      
2 A1 3095 2975 4.72      
3 A1 1461 1404 9.38      
4 A1 1372 1319 2.28      
5 A1 1059 1018 52.70      
6 A1 774 744 51.18      
7 A1 544 523 5.51      
8 A1 332 319 20.93      
9 A1 212 203 3.21      
10 A2 3239 3114 0.00      
11 A2 1469 1412 0.00      
12 A2 981 943 0.00      
13 A2 226 218 0.00      
14 A2 145 140 0.00      
15 B1 3242 3117 4.00      
16 B1 1478 1420 28.36      
17 B1 1075 1033 62.57      
18 B1 874 840 34.29      
19 B1 270 260 1.47      
20 B1 175 169 0.37      
21 B2 3236 3111 0.00      
22 B2 3093 2973 0.04      
23 B2 1451 1394 14.52      
24 B2 1351 1299 2.34      
25 B2 975 937 16.88      
26 B2 621 597 38.59      
27 B2 320 308 42.48      

Unscaled Zero Point Vibrational Energy (zpe) 18153.8 cm-1
Scaled (by 0.9613) Zero Point Vibrational Energy (zpe) 17451.2 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/SDD
ABC
0.12752 0.12187 0.11804

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.181
O2 -1.425 0.000 0.977
O3 1.425 0.000 0.977
C4 0.000 1.507 -0.971
C5 0.000 -1.507 -0.971
H6 0.000 2.366 -0.299
H7 0.000 -2.366 -0.299
H8 0.911 1.467 -1.570
H9 -0.911 1.467 -1.570
H10 -0.911 -1.467 -1.570
H11 0.911 -1.467 -1.570

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.63271.63271.89711.89712.41402.41402.45892.45892.45892.4589
O21.63272.85082.84602.84603.04253.04253.75452.98402.98403.7545
O31.63272.85082.84602.84603.04253.04252.98403.75453.75452.9840
C41.89712.84602.84603.01431.09083.93101.09071.09073.16713.1671
C51.89712.84602.84603.01433.93101.09083.16713.16711.09071.0907
H62.41403.04253.04251.09083.93104.73171.80411.80414.13924.1392
H72.41403.04253.04253.93101.09084.73174.13924.13921.80411.8041
H82.45893.75452.98401.09073.16711.80414.13921.82133.45252.9331
H92.45892.98403.75451.09073.16711.80414.13921.82132.93313.4525
H102.45892.98403.75453.16711.09074.13921.80413.45252.93311.8213
H112.45893.75452.98403.16711.09074.13921.80412.93313.45251.8213

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 104.532 S1 C4 H8 107.692
S1 C4 H9 107.692 S1 C5 H7 104.532
S1 C5 H10 107.692 S1 C5 H11 107.692
O2 S1 O3 121.630 O2 S1 C4 107.227
O2 S1 C5 107.227 O3 S1 C4 107.227
O3 S1 C5 107.227 C4 S1 C5 105.203
H6 C4 H8 111.585 H6 C4 H9 111.585
H7 C5 H10 111.585 H7 C5 H11 111.585
H8 C4 H9 113.220 H10 C5 H11 113.220
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.083      
2 O -0.621      
3 O -0.621      
4 C -0.712      
5 C -0.712      
6 H 0.290      
7 H 0.290      
8 H 0.251      
9 H 0.251      
10 H 0.251      
11 H 0.251      


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 -6.139 6.139
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -47.361 0.000 0.000
y 0.000 -31.492 0.000
z 0.000 0.000 -40.153
Traceless
 xyz
x -11.538 0.000 0.000
y 0.000 12.265 0.000
z 0.000 0.000 -0.727
Polar
3z2-r2-1.454
x2-y2-15.869
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.809 0.000 0.000
y 0.000 7.770 0.000
z 0.000 0.000 7.220


<r2> (average value of r2) Å2
<r2> 144.817
(<r2>)1/2 12.034