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

using model chemistry: LSDA/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-626.358992
Energy at 298.15K 
HF Energy-626.358992
Nuclear repulsion energy274.541821
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/cc-pVTZ
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 3098 3064 0.36      
2 A1 2989 2956 0.33      
3 A1 1374 1359 3.86      
4 A1 1263 1249 45.18      
5 A1 1151 1139 123.82      
6 A1 961 950 5.12      
7 A1 678 671 11.51      
8 A1 467 462 21.40      
9 A1 257 255 2.90      
10 A2 3104 3070 0.00      
11 A2 1361 1346 0.00      
12 A2 874 865 0.00      
13 A2 278 275 0.00      
14 A2 171 170 0.00      
15 B1 3107 3073 0.17      
16 B1 1384 1369 0.30      
17 B1 1343 1328 217.49      
18 B1 936 925 2.52      
19 B1 338 334 0.12      
20 B1 207 205 0.56      
21 B2 3097 3064 4.07      
22 B2 2987 2954 2.78      
23 B2 1361 1346 7.89      
24 B2 1244 1231 35.23      
25 B2 899 889 87.52      
26 B2 727 719 32.49      
27 B2 434 429 30.18      

Unscaled Zero Point Vibrational Energy (zpe) 18044.4 cm-1
Scaled (by 0.9891) Zero Point Vibrational Energy (zpe) 17847.7 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/cc-pVTZ
ABC
0.15240 0.14206 0.13960

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.186
O2 -1.262 0.000 0.908
O3 1.262 0.000 0.908
C4 0.000 1.390 -0.909
C5 0.000 -1.390 -0.909
H6 0.000 2.272 -0.254
H7 0.000 -2.272 -0.254
H8 0.910 1.373 -1.522
H9 -0.910 1.373 -1.522
H10 -0.910 -1.373 -1.522
H11 0.910 -1.373 -1.522

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45371.45371.77021.77022.31392.31392.37272.37272.37272.3727
O21.45372.52342.61322.61322.84672.84673.53622.81332.81333.5362
O31.45372.52342.61322.61322.84672.84672.81333.53623.53622.8133
C41.77022.61322.61322.78101.09783.72011.09661.09662.97332.9733
C51.77022.61322.61322.78103.72011.09782.97332.97331.09661.0966
H62.31392.84672.84671.09783.72014.54311.80011.80013.96453.9645
H72.31392.84672.84673.72011.09784.54313.96453.96451.80011.8001
H82.37273.53622.81331.09662.97331.80013.96451.81903.29422.7464
H92.37272.81333.53621.09662.97331.80013.96451.81902.74643.2942
H102.37272.81333.53622.97331.09663.96451.80013.29422.74641.8190
H112.37273.53622.81332.97331.09663.96451.80012.74643.29421.8190

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 105.143 S1 C4 H8 109.465
S1 C4 H9 109.465 S1 C5 H7 105.143
S1 C5 H10 109.465 S1 C5 H11 109.465
O2 S1 O3 120.429 O2 S1 C4 107.904
O2 S1 C5 107.904 O3 S1 C4 107.904
O3 S1 C5 107.904 C4 S1 C5 103.535
H6 C4 H8 110.231 H6 C4 H9 110.231
H7 C5 H10 110.231 H7 C5 H11 110.231
H8 C4 H9 112.070 H10 C5 H11 112.070
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.679      
2 O -0.400      
3 O -0.400      
4 C -0.362      
5 C -0.362      
6 H 0.153      
7 H 0.153      
8 H 0.134      
9 H 0.134      
10 H 0.134      
11 H 0.134      


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 -4.426 4.426
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.729 0.000 0.000
y 0.000 -31.900 0.000
z 0.000 0.000 -38.285
Traceless
 xyz
x -7.636 0.000 0.000
y 0.000 8.607 0.000
z 0.000 0.000 -0.971
Polar
3z2-r2-1.941
x2-y2-10.829
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.225 0.000 0.000
y 0.000 8.093 0.000
z 0.000 0.000 7.410


<r2> (average value of r2) Å2
<r2> 126.420
(<r2>)1/2 11.244