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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-628.355794
Energy at 298.15K 
HF Energy-628.355794
Nuclear repulsion energy269.762165
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 BLYP/6-31G(2df,p)
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 3086 3069 2.85      
2 A1 2986 2970 2.20      
3 A1 1423 1416 0.78      
4 A1 1297 1290 8.65      
5 A1 1102 1096 128.29      
6 A1 966 960 0.54      
7 A1 610 606 13.08      
8 A1 453 450 15.26      
9 A1 255 254 2.32      
10 A2 3085 3068 0.00      
11 A2 1410 1402 0.00      
12 A2 890 885 0.00      
13 A2 269 267 0.00      
14 A2 170 169 0.00      
15 B1 3089 3072 7.01      
16 B1 1427 1419 4.24      
17 B1 1299 1292 170.11      
18 B1 944 939 1.08      
19 B1 332 330 0.07      
20 B1 198 197 0.37      
21 B2 3085 3068 0.01      
22 B2 2983 2967 0.24      
23 B2 1414 1406 5.19      
24 B2 1280 1273 2.89      
25 B2 901 896 54.64      
26 B2 672 668 50.55      
27 B2 419 417 21.04      

Unscaled Zero Point Vibrational Energy (zpe) 18021.3 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 17922.1 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 BLYP/6-31G(2df,p)
ABC
0.14715 0.13678 0.13276

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.203
O2 -1.276 0.000 0.925
O3 1.276 0.000 0.925
C4 0.000 1.429 -0.937
C5 0.000 -1.429 -0.937
H6 0.000 2.320 -0.294
H7 0.000 -2.320 -0.294
H8 0.908 1.407 -1.554
H9 -0.908 1.407 -1.554
H10 -0.908 -1.407 -1.554
H11 0.908 -1.407 -1.554

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46601.46601.82771.82772.37272.37272.42692.42692.42692.4269
O21.46602.55232.67102.67102.91492.91493.59052.87372.87373.5905
O31.46602.55232.67102.67102.91492.91492.87373.59053.59052.8737
C41.82772.67102.67102.85791.09853.80361.09811.09813.04073.0407
C51.82772.67102.67102.85793.80361.09853.04073.04071.09811.0981
H62.37272.91492.91491.09853.80364.64011.80161.80164.03724.0372
H72.37272.91492.91493.80361.09854.64014.03724.03721.80161.8016
H82.42693.59052.87371.09813.04071.80164.03721.81533.34812.8132
H92.42692.87373.59051.09813.04071.80164.03721.81532.81323.3481
H102.42692.87373.59053.04071.09814.03721.80163.34812.81321.8153
H112.42693.59052.87373.04071.09814.03721.80162.81323.34811.8153

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 105.641 S1 C4 H8 109.558
S1 C4 H9 109.558 S1 C5 H7 105.641
S1 C5 H10 109.558 S1 C5 H11 109.558
O2 S1 O3 121.028 O2 S1 C4 107.872
O2 S1 C5 107.872 O3 S1 C4 107.872
O3 S1 C5 107.872 C4 S1 C5 102.857
H6 C4 H8 110.205 H6 C4 H9 110.205
H7 C5 H10 110.205 H7 C5 H11 110.205
H8 C4 H9 111.503 H10 C5 H11 111.503
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.409      
2 O -0.253      
3 O -0.253      
4 C -0.397      
5 C -0.397      
6 H 0.163      
7 H 0.163      
8 H 0.141      
9 H 0.141      
10 H 0.141      
11 H 0.141      


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 -4.119 4.119
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.806 0.000 0.000
y 0.000 -31.685 0.000
z 0.000 0.000 -37.634
Traceless
 xyz
x -7.147 0.000 0.000
y 0.000 8.035 0.000
z 0.000 0.000 -0.889
Polar
3z2-r2-1.777
x2-y2-10.121
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.701 0.000 0.000
y 0.000 7.562 0.000
z 0.000 0.000 6.949


<r2> (average value of r2) Å2
<r2> 130.367
(<r2>)1/2 11.418