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

using model chemistry: PBEPBEultrafine/aug-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 PBEPBEultrafine/aug-cc-pVTZ
 hartrees
Energy at 0K-628.110732
Energy at 298.15K 
HF Energy-628.110732
Nuclear repulsion energy270.532667
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 PBEPBEultrafine/aug-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 3097 3063 0.62      
2 A1 2995 2961 1.89      
3 A1 1404 1388 3.06      
4 A1 1279 1265 15.99      
5 A1 1097 1085 141.61      
6 A1 963 953 0.39      
7 A1 632 624 11.80      
8 A1 451 446 18.08      
9 A1 252 249 2.49      
10 A2 3099 3065 0.00      
11 A2 1392 1377 0.00      
12 A2 889 879 0.00      
13 A2 275 272 0.00      
14 A2 164 163 0.00      
15 B1 3103 3068 1.36      
16 B1 1409 1394 6.72      
17 B1 1274 1260 227.79      
18 B1 941 931 0.59      
19 B1 333 329 0.15      
20 B1 193 191 0.35      
21 B2 3096 3062 1.00      
22 B2 2992 2959 0.07      
23 B2 1393 1377 6.42      
24 B2 1264 1250 12.38      
25 B2 898 888 55.93      
26 B2 693 685 44.67      
27 B2 422 417 25.41      

Unscaled Zero Point Vibrational Energy (zpe) 18000.5 cm-1
Scaled (by 0.9888) Zero Point Vibrational Energy (zpe) 17798.9 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 PBEPBEultrafine/aug-cc-pVTZ
ABC
0.14812 0.13753 0.13449

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.277 0.000 0.923
O3 1.277 0.000 0.923
C4 0.000 1.421 -0.927
C5 0.000 -1.421 -0.927
H6 0.000 2.301 -0.274
H7 0.000 -2.301 -0.274
H8 0.908 1.399 -1.539
H9 -0.908 1.399 -1.539
H10 -0.908 -1.399 -1.539
H11 0.908 -1.399 -1.539

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.47241.47241.80841.80842.34772.34772.40262.40262.40262.4026
O21.47242.55472.66012.66012.89142.89143.57702.85552.85553.5770
O31.47242.55472.66012.66012.89142.89142.85553.57703.57702.8555
C41.80842.66012.66012.84291.09603.77971.09521.09523.02533.0253
C51.80842.66012.66012.84293.77971.09603.02533.02531.09521.0952
H62.34772.89142.89141.09603.77974.60261.80011.80014.01444.0144
H72.34772.89142.89143.77971.09604.60264.01444.01441.80011.8001
H82.40263.57702.85551.09523.02531.80014.01441.81653.33542.7974
H92.40262.85553.57701.09523.02531.80014.01441.81652.79743.3354
H102.40262.85553.57703.02531.09524.01441.80013.33542.79741.8165
H112.40263.57702.85553.02531.09524.01441.80012.79743.33541.8165

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 105.212 S1 C4 H8 109.201
S1 C4 H9 109.201 S1 C5 H7 105.212
S1 C5 H10 109.201 S1 C5 H11 109.201
O2 S1 O3 120.340 O2 S1 C4 107.909
O2 S1 C5 107.909 O3 S1 C4 107.909
O3 S1 C5 107.909 C4 S1 C5 103.630
H6 C4 H8 110.467 H6 C4 H9 110.467
H7 C5 H10 110.467 H7 C5 H11 110.467
H8 C4 H9 112.050 H10 C5 H11 112.050
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 2.017      
2 O -0.891      
3 O -0.891      
4 C -0.692      
5 C -0.692      
6 H 0.171      
7 H 0.171      
8 H 0.202      
9 H 0.202      
10 H 0.202      
11 H 0.202      


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 -4.506 4.506
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.403 0.000 0.000
y 0.000 -32.228 0.000
z 0.000 0.000 -38.749
Traceless
 xyz
x -7.914 0.000 0.000
y 0.000 8.847 0.000
z 0.000 0.000 -0.933
Polar
3z2-r2-1.866
x2-y2-11.174
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.155 0.000 0.000
y 0.000 9.129 0.000
z 0.000 0.000 8.455


<r2> (average value of r2) Å2
<r2> 130.040
(<r2>)1/2 11.403