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

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-625.057729
Energy at 298.15K 
HF Energy-625.057729
Nuclear repulsion energy256.035809
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/3-21G
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 3212 3099 0.00      
2 A1 3100 2991 0.93      
3 A1 1506 1453 4.91      
4 A1 1381 1333 8.05      
5 A1 1054 1017 54.83      
6 A1 894 863 30.45      
7 A1 552 532 17.87      
8 A1 394 380 14.89      
9 A1 238 229 1.84      
10 A2 3211 3099 0.00      
11 A2 1507 1454 0.00      
12 A2 941 908 0.00      
13 A2 198 191 0.00      
14 A2 134 129 0.00      
15 B1 3215 3102 0.46      
16 B1 1521 1468 30.48      
17 B1 1137 1097 68.05      
18 B1 959 926 0.07      
19 B1 275 265 1.47      
20 B1 163 157 0.40      
21 B2 3211 3098 0.42      
22 B2 3097 2988 0.11      
23 B2 1495 1442 15.17      
24 B2 1358 1310 3.21      
25 B2 954 920 21.25      
26 B2 619 598 62.75      
27 B2 311 300 26.14      

Unscaled Zero Point Vibrational Energy (zpe) 18317.0 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 17674.0 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/3-21G
ABC
0.12723 0.12612 0.12195

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.205
O2 -1.377 0.000 1.007
O3 1.377 0.000 1.007
C4 0.000 1.455 -1.011
C5 0.000 -1.455 -1.011
H6 0.000 2.357 -0.401
H7 0.000 -2.357 -0.401
H8 0.907 1.384 -1.611
H9 -0.907 1.384 -1.611
H10 -0.907 -1.384 -1.611
H11 0.907 -1.384 -1.611

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.59361.59361.89571.89572.43402.43402.45582.45582.45582.4558
O21.59362.75392.84322.84323.07183.07183.73902.99752.99753.7390
O31.59362.75392.84322.84323.07183.07182.99753.73903.73902.9975
C41.89572.84322.84322.90911.08953.86041.08941.08943.03913.0391
C51.89572.84322.84322.90913.86041.08953.03913.03911.08941.0894
H62.43403.07183.07181.08953.86044.71481.79801.79804.03474.0347
H72.43403.07183.07183.86041.08954.71484.03474.03471.79801.7980
H82.45583.73902.99751.08943.03911.79804.03471.81383.30862.7670
H92.45582.99753.73901.08943.03911.79804.03471.81382.76703.3086
H102.45582.99753.73903.03911.08944.03471.79803.30862.76701.8138
H112.45583.73902.99753.03911.08944.03471.79802.76703.30861.8138

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 106.073 S1 C4 H8 107.624
S1 C4 H9 107.624 S1 C5 H7 106.073
S1 C5 H10 107.624 S1 C5 H11 107.624
O2 S1 O3 119.550 O2 S1 C4 108.834
O2 S1 C5 108.834 O3 S1 C4 108.834
O3 S1 C5 108.834 C4 S1 C5 100.220
H6 C4 H8 111.221 H6 C4 H9 111.221
H7 C5 H10 111.221 H7 C5 H11 111.221
H8 C4 H9 112.718 H10 C5 H11 112.718
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.339      
2 O -0.564      
3 O -0.564      
4 C -0.873      
5 C -0.873      
6 H 0.274      
7 H 0.274      
8 H 0.247      
9 H 0.247      
10 H 0.247      
11 H 0.247      


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 -5.068 5.068
CHELPG        
AIM        
ESP 0.009 0.000 -5.110 5.110


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -44.285 0.000 0.000
y 0.000 -32.522 0.000
z 0.000 0.000 -39.670
Traceless
 xyz
x -8.188 0.000 0.000
y 0.000 9.455 0.000
z 0.000 0.000 -1.267
Polar
3z2-r2-2.534
x2-y2-11.763
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.562 0.000 0.000
y 0.000 7.042 0.000
z 0.000 0.000 6.747


<r2> (average value of r2) Å2
<r2> 141.889
(<r2>)1/2 11.912