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

using model chemistry: LSDA/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 LSDA/Def2TZVPP
 hartrees
Energy at 0K-626.385813
Energy at 298.15K 
HF Energy-626.385813
Nuclear repulsion energy276.504279
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 LSDA/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 3101 3101 0.26      
2 A1 2994 2994 0.39      
3 A1 1376 1376 3.33      
4 A1 1271 1271 53.97      
5 A1 1172 1172 122.69      
6 A1 961 961 6.65      
7 A1 692 692 10.28      
8 A1 479 479 21.73      
9 A1 263 263 3.13      
10 A2 3108 3108 0.00      
11 A2 1361 1361 0.00      
12 A2 875 875 0.00      
13 A2 288 288 0.00      
14 A2 176 176 0.00      
15 B1 3111 3111 0.11      
16 B1 1391 1391 34.96      
17 B1 1363 1363 197.94      
18 B1 938 938 3.01      
19 B1 348 348 0.06      
20 B1 213 213 0.58      
21 B2 3100 3100 4.00      
22 B2 2992 2992 2.91      
23 B2 1363 1363 7.34      
24 B2 1251 1251 39.48      
25 B2 898 898 95.74      
26 B2 736 736 27.09      
27 B2 446 446 29.83      

Unscaled Zero Point Vibrational Energy (zpe) 18132.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 18132.0 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 LSDA/Def2TZVPP
ABC
0.15505 0.14400 0.14137

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.185
O2 -1.249 0.000 0.901
O3 1.249 0.000 0.901
C4 0.000 1.383 -0.901
C5 0.000 -1.383 -0.901
H6 0.000 2.264 -0.246
H7 0.000 -2.264 -0.246
H8 0.908 1.372 -1.515
H9 -0.908 1.372 -1.515
H10 -0.908 -1.372 -1.515
H11 0.908 -1.372 -1.515

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.44011.44011.75791.75792.30472.30472.36572.36572.36572.3657
O21.44012.49902.59212.59212.82892.82893.51772.79902.79903.5177
O31.44012.49902.59212.59212.82892.82892.79903.51773.51772.7990
C41.75792.59212.59212.76511.09793.70481.09641.09642.96482.9648
C51.75792.59212.59212.76513.70481.09792.96482.96481.09641.0964
H62.30472.82892.82891.09793.70484.52801.79731.79733.95673.9567
H72.30472.82892.82893.70481.09794.52803.95673.95671.79731.7973
H82.36573.51772.79901.09642.96481.79733.95671.81673.29092.7441
H92.36572.79903.51771.09642.96481.79733.95671.81672.74413.2909
H102.36572.79903.51772.96481.09643.95671.79733.29092.74411.8167
H112.36573.51772.79902.96481.09643.95671.79732.74413.29091.8167

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 105.255 S1 C4 H8 109.775
S1 C4 H9 109.775 S1 C5 H7 105.255
S1 C5 H10 109.775 S1 C5 H11 109.775
O2 S1 O3 120.375 O2 S1 C4 107.882
O2 S1 C5 107.882 O3 S1 C4 107.882
O3 S1 C5 107.882 C4 S1 C5 103.714
H6 C4 H8 109.975 H6 C4 H9 109.975
H7 C5 H10 109.975 H7 C5 H11 109.975
H8 C4 H9 111.876 H10 C5 H11 111.876
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.515      
2 O -0.377      
3 O -0.377      
4 C -0.384      
5 C -0.384      
6 H 0.175      
7 H 0.175      
8 H 0.164      
9 H 0.164      
10 H 0.164      
11 H 0.164      


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 -4.366 4.366
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.730 0.000 0.000
y 0.000 -31.908 0.000
z 0.000 0.000 -38.264
Traceless
 xyz
x -7.644 0.000 0.000
y 0.000 8.589 0.000
z 0.000 0.000 -0.945
Polar
3z2-r2-1.889
x2-y2-10.822
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.385 0.000 0.000
y 0.000 8.103 0.000
z 0.000 0.000 7.463


<r2> (average value of r2) Å2
<r2> 125.074
(<r2>)1/2 11.184