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

using model chemistry: B1B95/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/STO-3G
 hartrees
Energy at 0K-620.725641
Energy at 298.15K 
HF Energy-620.725641
Nuclear repulsion energy250.239294
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 B1B95/STO-3G
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 3544 3130 0.63      
2 A1 3327 2937 11.74      
3 A1 1632 1441 1.47      
4 A1 1402 1238 0.04      
5 A1 989 874 47.84      
6 A1 845 746 27.27      
7 A1 598 528 27.90      
8 A1 300 265 9.28      
9 A1 228 202 1.77      
10 A2 3541 3127 0.00      
11 A2 1634 1443 0.00      
12 A2 887 783 0.00      
13 A2 206 182 0.00      
14 A2 45 40 0.00      
15 B1 3543 3128 0.42      
16 B1 1642 1450 9.38      
17 B1 1069 944 49.10      
18 B1 882 779 0.09      
19 B1 285 252 2.47      
20 B1 118 104 0.06      
21 B2 3543 3128 0.63      
22 B2 3324 2935 27.02      
23 B2 1628 1437 4.07      
24 B2 1382 1220 3.49      
25 B2 887 783 17.39      
26 B2 582 514 92.76      
27 B2 287 254 8.63      

Unscaled Zero Point Vibrational Energy (zpe) 19174.3 cm-1
Scaled (by 0.883) Zero Point Vibrational Energy (zpe) 16930.9 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 B1B95/STO-3G
ABC
0.12356 0.11787 0.11569

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.249
O2 -1.410 0.000 1.046
O3 1.410 0.000 1.046
C4 0.000 1.452 -1.076
C5 0.000 -1.452 -1.076
H6 0.000 2.401 -0.530
H7 0.000 -2.401 -0.530
H8 0.905 1.352 -1.686
H9 -0.905 1.352 -1.686
H10 -0.905 -1.352 -1.686
H11 0.905 -1.352 -1.686

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.61911.61911.96561.96562.52472.52472.52862.52862.52862.5286
O21.61912.81942.93182.93183.19953.19953.82733.08983.08983.8273
O31.61912.81942.93182.93183.19953.19953.08983.82733.82733.0898
C41.96562.93182.93182.90311.09553.89141.09581.09583.00893.0089
C51.96562.93182.93182.90313.89141.09553.00893.00891.09581.0958
H62.52473.19953.19951.09553.89144.80271.80421.80424.03064.0306
H72.52473.19953.19953.89141.09554.80274.03064.03061.80421.8042
H82.52863.82733.08981.09583.00891.80424.03061.80963.25442.7049
H92.52863.08983.82731.09583.00891.80424.03061.80962.70493.2544
H102.52863.08983.82733.00891.09584.03061.80423.25442.70491.8096
H112.52863.82733.08983.00891.09584.03061.80422.70493.25441.8096

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 107.714 S1 C4 H8 107.978
S1 C4 H9 107.978 S1 C5 H7 107.714
S1 C5 H10 107.978 S1 C5 H11 107.978
O2 S1 O3 121.078 O2 S1 C4 109.368
O2 S1 C5 109.368 O3 S1 C4 109.368
O3 S1 C5 109.368 C4 S1 C5 95.204
H6 C4 H8 110.848 H6 C4 H9 110.848
H7 C5 H10 110.848 H7 C5 H11 110.848
H8 C4 H9 111.320 H10 C5 H11 111.320
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.777      
2 O -0.351      
3 O -0.351      
4 C -0.307      
5 C -0.307      
6 H 0.093      
7 H 0.093      
8 H 0.089      
9 H 0.089      
10 H 0.089      
11 H 0.089      


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 -3.007 3.007
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.095 0.000 0.000
y 0.000 -31.497 0.000
z 0.000 0.000 -35.494
Traceless
 xyz
x -5.599 0.000 0.000
y 0.000 5.797 0.000
z 0.000 0.000 -0.199
Polar
3z2-r2-0.397
x2-y2-7.597
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.445 0.000 0.000
y 0.000 5.000 0.000
z 0.000 0.000 4.966


<r2> (average value of r2) Å2
<r2> 145.607
(<r2>)1/2 12.067