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

using model chemistry: mPW1PW91/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 mPW1PW91/STO-3G
 hartrees
Energy at 0K-620.736835
Energy at 298.15K 
HF Energy-620.736835
Nuclear repulsion energy250.460622
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 mPW1PW91/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 3567 3135 0.79      
2 A1 3349 2943 11.83      
3 A1 1646 1447 1.55      
4 A1 1421 1249 0.07      
5 A1 1003 882 45.46      
6 A1 835 734 33.34      
7 A1 614 540 26.97      
8 A1 300 263 9.38      
9 A1 230 202 2.16      
10 A2 3563 3132 0.00      
11 A2 1649 1449 0.00      
12 A2 904 795 0.00      
13 A2 208 183 0.00      
14 A2 48 42 0.00      
15 B1 3565 3133 0.57      
16 B1 1655 1455 9.92      
17 B1 1065 936 49.45      
18 B1 886 779 0.04      
19 B1 287 252 2.53      
20 B1 110 97 0.06      
21 B2 3565 3134 0.80      
22 B2 3346 2941 26.95      
23 B2 1641 1443 4.38      
24 B2 1402 1232 3.01      
25 B2 905 796 16.86      
26 B2 600 527 91.23      
27 B2 288 253 9.75      

Unscaled Zero Point Vibrational Energy (zpe) 19326.6 cm-1
Scaled (by 0.8789) Zero Point Vibrational Energy (zpe) 16986.2 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 mPW1PW91/STO-3G
ABC
0.12340 0.11816 0.11653

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/STO-3G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.247
O2 -1.415 0.000 1.041
O3 1.415 0.000 1.041
C4 0.000 1.448 -1.070
C5 0.000 -1.448 -1.070
H6 0.000 2.396 -0.521
H7 0.000 -2.396 -0.521
H8 0.904 1.353 -1.680
H9 -0.904 1.353 -1.680
H10 -0.904 -1.353 -1.680
H11 0.904 -1.353 -1.680

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.62231.62231.95711.95712.51582.51582.52242.52242.52242.5224
O21.62232.82922.92452.92453.19063.19063.82283.08173.08173.8228
O31.62232.82922.92452.92453.19063.19063.08173.82283.82283.0817
C41.95712.92452.92452.89671.09503.88321.09541.09543.00663.0066
C51.95712.92452.92452.89673.88321.09503.00663.00661.09541.0954
H62.51583.19063.19061.09503.88324.79181.80271.80274.02724.0272
H72.51583.19063.19063.88321.09504.79184.02724.02721.80271.8027
H82.52243.82283.08171.09543.00661.80274.02721.80863.25522.7065
H92.52243.08173.82281.09543.00661.80274.02721.80862.70653.2552
H102.52243.08173.82283.00661.09544.02721.80273.25522.70651.8086
H112.52243.82283.08173.00661.09544.02721.80272.70653.25521.8086

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 107.652 S1 C4 H8 108.105
S1 C4 H9 108.105 S1 C5 H7 107.652
S1 C5 H10 108.105 S1 C5 H11 108.105
O2 S1 O3 121.381 O2 S1 C4 109.223
O2 S1 C5 109.223 O3 S1 C4 109.223
O3 S1 C5 109.223 C4 S1 C5 95.469
H6 C4 H8 110.768 H6 C4 H9 110.768
H7 C5 H10 110.768 H7 C5 H11 110.768
H8 C4 H9 111.296 H10 C5 H11 111.296
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.783      
2 O -0.357      
3 O -0.357      
4 C -0.312      
5 C -0.312      
6 H 0.095      
7 H 0.095      
8 H 0.091      
9 H 0.091      
10 H 0.091      
11 H 0.091      


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 -3.112 3.112
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.243 0.000 0.000
y 0.000 -31.389 0.000
z 0.000 0.000 -35.492
Traceless
 xyz
x -5.803 0.000 0.000
y 0.000 5.979 0.000
z 0.000 0.000 -0.176
Polar
3z2-r2-0.352
x2-y2-7.854
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 4.429 0.000 0.000
y 0.000 4.915 0.000
z 0.000 0.000 4.895


<r2> (average value of r2) Å2
<r2> 145.235
(<r2>)1/2 12.051