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

using model chemistry: B2PLYP/cc-pVDZ

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-pVDZ
 hartrees
Energy at 0K-628.030644
Energy at 298.15K 
HF Energy-627.759772
Nuclear repulsion energy269.675143
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-pVDZ
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 3203 3067 0.36      
2 A1 3084 2954 2.40      
3 A1 1446 1384 3.24      
4 A1 1331 1275 12.09      
5 A1 1109 1062 151.42      
6 A1 995 953 0.26      
7 A1 660 632 12.43      
8 A1 455 436 25.60      
9 A1 261 250 1.98      
10 A2 3205 3070 0.00      
11 A2 1435 1374 0.00      
12 A2 913 875 0.00      
13 A2 275 264 0.00      
14 A2 171 164 0.00      
15 B1 3209 3073 1.96      
16 B1 1451 1390 9.34      
17 B1 1294 1240 192.94      
18 B1 974 932 0.25      
19 B1 338 324 1.19      
20 B1 204 195 0.58      
21 B2 3201 3066 0.78      
22 B2 3082 2951 0.10      
23 B2 1436 1375 7.36      
24 B2 1313 1257 8.49      
25 B2 933 894 60.97      
26 B2 724 694 52.74      
27 B2 428 410 37.84      

Unscaled Zero Point Vibrational Energy (zpe) 18564.2 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 17778.9 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-pVDZ
ABC
0.14654 0.13647 0.13513

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.294 0.000 0.921
O3 1.294 0.000 0.921
C4 0.000 1.416 -0.926
C5 0.000 -1.416 -0.926
H6 0.000 2.298 -0.273
H7 0.000 -2.298 -0.273
H8 0.910 1.396 -1.539
H9 -0.910 1.396 -1.539
H10 -0.910 -1.396 -1.539
H11 0.910 -1.396 -1.539

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.48441.48441.80511.80512.34532.34532.40342.40342.40342.4034
O21.48442.58802.66292.66292.89532.89533.58552.85382.85383.5855
O31.48442.58802.66292.66292.89532.89532.85383.58553.58552.8538
C41.80512.66292.66292.83191.09803.77141.09731.09733.01803.0180
C51.80512.66292.66292.83193.77141.09803.01803.01801.09731.0973
H62.34532.89532.89531.09803.77144.59701.80161.80164.00964.0096
H72.34532.89532.89533.77141.09804.59704.00964.00961.80161.8016
H82.40343.58552.85381.09733.01801.80164.00961.82053.33252.7912
H92.40342.85383.58551.09733.01801.80164.00961.82052.79123.3325
H102.40342.85383.58553.01801.09734.00961.80163.33252.79121.8205
H112.40343.58552.85383.01801.09734.00961.80162.79123.33251.8205

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 105.158 S1 C4 H8 109.370
S1 C4 H9 109.370 S1 C5 H7 105.158
S1 C5 H10 109.370 S1 C5 H11 109.370
O2 S1 O3 121.316 O2 S1 C4 107.695
O2 S1 C5 107.695 O3 S1 C4 107.695
O3 S1 C5 107.695 C4 S1 C5 103.329
H6 C4 H8 110.299 H6 C4 H9 110.299
H7 C5 H10 110.299 H7 C5 H11 110.299
H8 C4 H9 112.105 H10 C5 H11 112.105
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.795      
2 O -0.473      
3 O -0.473      
4 C -0.156      
5 C -0.156      
6 H 0.091      
7 H 0.091      
8 H 0.070      
9 H 0.070      
10 H 0.070      
11 H 0.070      


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 -4.414 4.414
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.085 0.000 0.000
y 0.000 -32.158 0.000
z 0.000 0.000 -38.431
Traceless
 xyz
x -7.790 0.000 0.000
y 0.000 8.600 0.000
z 0.000 0.000 -0.810
Polar
3z2-r2-1.620
x2-y2-10.927
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.589 0.000 0.000
y 0.000 7.177 0.000
z 0.000 0.000 6.538


<r2> (average value of r2) Å2
<r2> 130.266
(<r2>)1/2 11.413