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

using model chemistry: B1B95/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-628.511738
Energy at 298.15K 
HF Energy-628.511738
Nuclear repulsion energy276.676134
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/Def2TZVPP
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 3190 3190 0.65      
2 A1 3087 3087 1.33      
3 A1 1458 1458 2.67      
4 A1 1348 1348 31.32      
5 A1 1201 1201 156.59      
6 A1 1006 1006 3.74      
7 A1 700 700 10.78      
8 A1 497 497 25.08      
9 A1 267 267 2.62      
10 A2 3196 3196 0.00      
11 A2 1444 1444 0.00      
12 A2 925 925 0.00      
13 A2 296 296 0.00      
14 A2 181 181 0.00      
15 B1 3201 3201 1.70      
16 B1 1464 1464 0.44      
17 B1 1399 1399 255.02      
18 B1 986 986 1.71      
19 B1 357 357 0.26      
20 B1 215 215 0.48      
21 B2 3189 3189 0.74      
22 B2 3085 3085 0.29      
23 B2 1447 1447 5.38      
24 B2 1331 1331 20.06      
25 B2 939 939 85.44      
26 B2 755 755 35.56      
27 B2 461 461 35.04      

Unscaled Zero Point Vibrational Energy (zpe) 18810.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18810.6 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/Def2TZVPP
ABC
0.15563 0.14383 0.14027

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/Def2TZVPP

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.187
O2 -1.243 0.000 0.902
O3 1.243 0.000 0.902
C4 0.000 1.392 -0.904
C5 0.000 -1.392 -0.904
H6 0.000 2.266 -0.259
H7 0.000 -2.266 -0.259
H8 0.898 1.379 -1.513
H9 -0.898 1.379 -1.513
H10 -0.898 -1.379 -1.513
H11 0.898 -1.379 -1.513

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43391.43391.76861.76862.30982.30982.36562.36562.36562.3656
O21.43392.48592.59682.59682.83352.83353.50922.80182.80183.5092
O31.43392.48592.59682.59682.83352.83352.80183.50923.50922.8018
C41.76862.59682.59682.78431.08633.71491.08491.08492.97592.9759
C51.76862.59682.59682.78433.71491.08632.97592.97591.08491.0849
H62.30982.83352.83351.08633.71494.53271.77911.77913.95803.9580
H72.30982.83352.83353.71491.08634.53273.95803.95801.77911.7791
H82.36563.50922.80181.08492.97591.77913.95801.79593.29112.7579
H92.36562.80183.50921.08492.97591.77913.95801.79592.75793.2911
H102.36562.80183.50922.97591.08493.95801.77913.29112.75791.7959
H112.36563.50922.80182.97591.08493.95801.77912.75793.29111.7959

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 105.509 S1 C4 H8 109.665
S1 C4 H9 109.665 S1 C5 H7 105.509
S1 C5 H10 109.665 S1 C5 H11 109.665
O2 S1 O3 120.191 O2 S1 C4 107.908
O2 S1 C5 107.908 O3 S1 C4 107.908
O3 S1 C5 107.908 C4 S1 C5 103.841
H6 C4 H8 110.051 H6 C4 H9 110.051
H7 C5 H10 110.051 H7 C5 H11 110.051
H8 C4 H9 111.715 H10 C5 H11 111.715
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.760      
2 O -0.463      
3 O -0.463      
4 C -0.327      
5 C -0.327      
6 H 0.143      
7 H 0.143      
8 H 0.133      
9 H 0.133      
10 H 0.133      
11 H 0.133      


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 -4.457 4.457
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.582 0.000 0.000
y 0.000 -31.493 0.000
z 0.000 0.000 -37.941
Traceless
 xyz
x -7.865 0.000 0.000
y 0.000 8.768 0.000
z 0.000 0.000 -0.903
Polar
3z2-r2-1.807
x2-y2-11.089
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.023 0.000 0.000
y 0.000 7.706 0.000
z 0.000 0.000 7.101


<r2> (average value of r2) Å2
<r2> 125.061
(<r2>)1/2 11.183