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

using model chemistry: B2PLYP/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 B2PLYP/cc-pVTZ
 hartrees
Energy at 0K-628.238483
Energy at 298.15K 
HF Energy-627.902707
Nuclear repulsion energy273.339859
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/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 3182 3053 0.77      
2 A1 3080 2955 1.83      
3 A1 1472 1413 3.15      
4 A1 1356 1301 17.00      
5 A1 1155 1108 148.58      
6 A1 1013 971 0.38      
7 A1 675 648 12.02      
8 A1 480 460 23.77      
9 A1 266 256 2.31      
10 A2 3187 3058 0.00      
11 A2 1461 1402 0.00      
12 A2 938 900 0.00      
13 A2 291 279 0.00      
14 A2 174 167 0.00      
15 B1 3191 3062 2.11      
16 B1 1478 1418 6.98      
17 B1 1342 1288 212.88      
18 B1 995 954 0.54      
19 B1 352 338 0.54      
20 B1 209 200 0.44      
21 B2 3180 3051 0.53      
22 B2 3078 2953 0.02      
23 B2 1462 1403 5.91      
24 B2 1340 1286 12.59      
25 B2 948 909 65.61      
26 B2 740 710 45.14      
27 B2 448 430 35.20      

Unscaled Zero Point Vibrational Energy (zpe) 18745.6 cm-1
Scaled (by 0.9594) Zero Point Vibrational Energy (zpe) 17984.5 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/cc-pVTZ
ABC
0.15128 0.14041 0.13716

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.190
O2 -1.263 0.000 0.914
O3 1.263 0.000 0.914
C4 0.000 1.407 -0.918
C5 0.000 -1.407 -0.918
H6 0.000 2.283 -0.274
H7 0.000 -2.283 -0.274
H8 0.900 1.387 -1.525
H9 -0.900 1.387 -1.525
H10 -0.900 -1.387 -1.525
H11 0.900 -1.387 -1.525

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.45581.45581.79061.79062.32942.32942.38162.38162.38162.3816
O21.45582.52602.63232.63232.86652.86653.54212.82872.82873.5421
O31.45582.52602.63232.63232.86652.86652.82873.54213.54212.8287
C41.79062.63232.63232.81401.08673.74541.08561.08562.99702.9970
C51.79062.63232.63232.81403.74541.08672.99702.99701.08561.0856
H62.32942.86652.86651.08673.74544.56541.78231.78233.97963.9796
H72.32942.86652.86653.74541.08674.56543.97963.97961.78231.7823
H82.38163.54212.82871.08562.99701.78233.97961.79933.30572.7731
H92.38162.82873.54211.08562.99701.78233.97961.79932.77313.3057
H102.38162.82873.54212.99701.08563.97961.78233.30572.77311.7993
H112.38163.54212.82872.99701.08563.97961.78232.77313.30571.7993

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 105.480 S1 C4 H8 109.338
S1 C4 H9 109.338 S1 C5 H7 105.480
S1 C5 H10 109.338 S1 C5 H11 109.338
O2 S1 O3 120.359 O2 S1 C4 107.913
O2 S1 C5 107.913 O3 S1 C4 107.913
O3 S1 C5 107.913 C4 S1 C5 103.584
H6 C4 H8 110.268 H6 C4 H9 110.268
H7 C5 H10 110.268 H7 C5 H11 110.268
H8 C4 H9 111.938 H10 C5 H11 111.938
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.905      
2 O -0.516      
3 O -0.516      
4 C -0.308      
5 C -0.308      
6 H 0.136      
7 H 0.136      
8 H 0.118      
9 H 0.118      
10 H 0.118      
11 H 0.118      


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 7.000 0.000 0.000
y 0.000 7.783 0.000
z 0.000 0.000 7.151


<r2> (average value of r2) Å2
<r2> 127.768
(<r2>)1/2 11.303