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

using model chemistry: B2PLYP/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/6-31+G**
 hartrees
Energy at 0K-628.043577
Energy at 298.15K 
HF Energy-627.770441
Nuclear repulsion energy271.141319
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 B2PLYP/6-31+G**
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 3217 3064 0.34      
2 A1 3105 2957 2.44      
3 A1 1486 1415 4.13      
4 A1 1386 1320 9.74      
5 A1 1127 1073 169.60      
6 A1 1024 975 3.38      
7 A1 675 643 8.27      
8 A1 466 444 26.36      
9 A1 266 254 2.37      
10 A2 3217 3064 0.00      
11 A2 1476 1405 0.00      
12 A2 960 914 0.00      
13 A2 288 274 0.00      
14 A2 190 181 0.00      
15 B1 3221 3068 1.42      
16 B1 1491 1420 12.61      
17 B1 1296 1234 259.94      
18 B1 1013 965 0.04      
19 B1 352 336 1.30      
20 B1 221 210 0.41      
21 B2 3216 3063 0.79      
22 B2 3102 2955 0.03      
23 B2 1477 1407 7.46      
24 B2 1367 1302 10.49      
25 B2 968 921 51.74      
26 B2 753 717 47.60      
27 B2 441 420 37.85      

Unscaled Zero Point Vibrational Energy (zpe) 18900.2 cm-1
Scaled (by 0.9524) Zero Point Vibrational Energy (zpe) 18000.5 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 B2PLYP/6-31+G**
ABC
0.14874 0.13773 0.13585

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31+G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.189
O2 -1.282 0.000 0.918
O3 1.282 0.000 0.918
C4 0.000 1.416 -0.920
C5 0.000 -1.416 -0.920
H6 0.000 2.296 -0.278
H7 0.000 -2.296 -0.278
H8 0.901 1.396 -1.530
H9 -0.901 1.396 -1.530
H10 -0.901 -1.396 -1.530
H11 0.901 -1.396 -1.530

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47431.47431.79821.79822.34272.34272.39072.39072.39072.3907
O21.47432.56332.65012.65012.88822.88823.56432.84322.84323.5643
O31.47432.56332.65012.65012.88822.88822.84323.56433.56432.8432
C41.79822.65012.65012.83141.08933.76651.08881.08883.01473.0147
C51.79822.65012.65012.83143.76651.08933.01473.01471.08881.0888
H62.34272.88822.88821.08933.76654.59141.78641.78644.00084.0008
H72.34272.88822.88823.76651.08934.59144.00084.00081.78641.7864
H82.39073.56432.84321.08883.01471.78644.00081.80273.32272.7911
H92.39072.84323.56431.08883.01471.78644.00081.80272.79113.3227
H102.39072.84323.56433.01471.08884.00081.78643.32272.79111.8027
H112.39073.56432.84323.01471.08884.00081.78642.79113.32271.8027

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 105.822 S1 C4 H8 109.335
S1 C4 H9 109.335 S1 C5 H7 105.822
S1 C5 H10 109.335 S1 C5 H11 109.335
O2 S1 O3 120.760 O2 S1 C4 107.742
O2 S1 C5 107.742 O3 S1 C4 107.742
O3 S1 C5 107.742 C4 S1 C5 103.867
H6 C4 H8 110.204 H6 C4 H9 110.204
H7 C5 H10 110.204 H7 C5 H11 110.204
H8 C4 H9 111.761 H10 C5 H11 111.761
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.095      
2 O -0.627      
3 O -0.627      
4 C -0.509      
5 C -0.509      
6 H 0.212      
7 H 0.212      
8 H 0.189      
9 H 0.189      
10 H 0.189      
11 H 0.189      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.516 0.000 0.000
y 0.000 7.793 0.000
z 0.000 0.000 7.410


<r2> (average value of r2) Å2
<r2> 129.730
(<r2>)1/2 11.390