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

using model chemistry: B1B95/6-311G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-311G**
 hartrees
Energy at 0K-628.429786
Energy at 298.15K 
HF Energy-628.429786
Nuclear repulsion energy273.490243
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 B1B95/6-311G**
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 3186 3059 0.43      
2 A1 3079 2957 1.46      
3 A1 1453 1395 5.17      
4 A1 1351 1297 23.38      
5 A1 1150 1104 184.11      
6 A1 1007 967 1.33      
7 A1 678 651 11.24      
8 A1 476 457 27.27      
9 A1 265 254 2.38      
10 A2 3191 3064 0.00      
11 A2 1438 1381 0.00      
12 A2 926 889 0.00      
13 A2 287 275 0.00      
14 A2 179 172 0.00      
15 B1 3195 3068 1.92      
16 B1 1454 1396 12.81      
17 B1 1345 1291 241.90      
18 B1 990 950 1.60      
19 B1 350 336 0.60      
20 B1 211 203 0.62      
21 B2 3185 3058 0.68      
22 B2 3077 2954 0.13      
23 B2 1442 1385 7.21      
24 B2 1331 1278 19.73      
25 B2 946 908 73.75      
26 B2 740 711 46.00      
27 B2 448 430 38.38      

Unscaled Zero Point Vibrational Energy (zpe) 18690.4 cm-1
Scaled (by 0.9601) Zero Point Vibrational Energy (zpe) 17944.7 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 B1B95/6-311G**
ABC
0.15168 0.14019 0.13759

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.265 0.000 0.909
O3 1.265 0.000 0.909
C4 0.000 1.407 -0.914
C5 0.000 -1.407 -0.914
H6 0.000 2.283 -0.268
H7 0.000 -2.283 -0.268
H8 0.901 1.392 -1.523
H9 -0.901 1.392 -1.523
H10 -0.901 -1.392 -1.523
H11 0.901 -1.392 -1.523

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45441.45441.78891.78892.32832.32832.38472.38472.38472.3847
O21.45442.52912.62742.62742.86272.86273.54182.82572.82573.5418
O31.45442.52912.62742.62742.86272.86272.82573.54183.54182.8257
C41.78892.62742.62742.81361.08853.74561.08761.08763.00293.0029
C51.78892.62742.62742.81363.74561.08853.00293.00291.08761.0876
H62.32832.86272.86271.08853.74564.56531.78311.78313.98653.9865
H72.32832.86272.86273.74561.08854.56533.98653.98651.78311.7831
H82.38473.54182.82571.08763.00291.78313.98651.80273.31722.7847
H92.38472.82573.54181.08763.00291.78313.98651.80272.78473.3172
H102.38472.82573.54183.00291.08763.98651.78313.31722.78471.8027
H112.38473.54182.82573.00291.08763.98651.78312.78473.31721.8027

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 105.424 S1 C4 H8 109.580
S1 C4 H9 109.580 S1 C5 H7 105.424
S1 C5 H10 109.580 S1 C5 H11 109.580
O2 S1 O3 120.791 O2 S1 C4 107.768
O2 S1 C5 107.768 O3 S1 C4 107.768
O3 S1 C5 107.768 C4 S1 C5 103.701
H6 C4 H8 110.052 H6 C4 H9 110.052
H7 C5 H10 110.052 H7 C5 H11 110.052
H8 C4 H9 111.946 H10 C5 H11 111.946
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.890      
2 O -0.490      
3 O -0.490      
4 C -0.505      
5 C -0.505      
6 H 0.201      
7 H 0.201      
8 H 0.174      
9 H 0.174      
10 H 0.174      
11 H 0.174      


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 -4.842 4.842
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.493 0.000 0.000
y 0.000 -31.636 0.000
z 0.000 0.000 -38.691
Traceless
 xyz
x -8.329 0.000 0.000
y 0.000 9.456 0.000
z 0.000 0.000 -1.126
Polar
3z2-r2-2.253
x2-y2-11.857
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.572 0.000 0.000
y 0.000 7.248 0.000
z 0.000 0.000 6.721


<r2> (average value of r2) Å2
<r2> 127.715
(<r2>)1/2 11.301