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

using model chemistry: PBEPBE/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBE/6-31G(2df,p)
 hartrees
Energy at 0K-628.004495
Energy at 298.15K 
HF Energy-628.004495
Nuclear repulsion energy271.577147
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 PBEPBE/6-31G(2df,p)
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 3111 3079 0.97      
2 A1 3000 2969 1.33      
3 A1 1408 1393 1.09      
4 A1 1282 1269 17.87      
5 A1 1126 1114 123.60      
6 A1 962 952 2.90      
7 A1 643 636 11.43      
8 A1 461 456 16.50      
9 A1 258 255 2.54      
10 A2 3111 3079 0.00      
11 A2 1393 1378 0.00      
12 A2 879 870 0.00      
13 A2 271 268 0.00      
14 A2 171 169 0.00      
15 B1 3115 3083 3.00      
16 B1 1412 1398 2.25      
17 B1 1328 1314 178.41      
18 B1 937 927 2.18      
19 B1 334 330 0.02      
20 B1 202 200 0.43      
21 B2 3110 3078 0.51      
22 B2 2998 2967 0.02      
23 B2 1397 1382 5.94      
24 B2 1264 1251 9.86      
25 B2 895 886 67.14      
26 B2 697 690 41.64      
27 B2 427 422 22.16      

Unscaled Zero Point Vibrational Energy (zpe) 18094.4 cm-1
Scaled (by 0.9897) Zero Point Vibrational Energy (zpe) 17908.1 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 PBEPBE/6-31G(2df,p)
ABC
0.14897 0.13891 0.13539

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.198
O2 -1.271 0.000 0.918
O3 1.271 0.000 0.918
C4 0.000 1.412 -0.927
C5 0.000 -1.412 -0.927
H6 0.000 2.302 -0.282
H7 0.000 -2.302 -0.282
H8 0.909 1.392 -1.545
H9 -0.909 1.392 -1.545
H10 -0.909 -1.392 -1.545
H11 0.909 -1.392 -1.545

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46061.46061.80571.80572.35182.35182.40892.40892.40892.4089
O21.46062.54192.64842.64842.89062.89063.57142.85212.85213.5714
O31.46062.54192.64842.64842.89062.89062.85213.57143.57142.8521
C41.80572.64842.64842.82421.09953.77001.09891.09893.01213.0121
C51.80572.64842.64842.82423.77001.09953.01213.01211.09891.0989
H62.35182.89062.89061.09953.77004.60461.80241.80244.00904.0090
H72.35182.89062.89063.77001.09954.60464.00904.00901.80241.8024
H82.40893.57142.85211.09893.01211.80244.00901.81753.32552.7849
H92.40892.85213.57141.09893.01211.80244.00901.81752.78493.3255
H102.40892.85213.57143.01211.09894.00901.80243.32552.78491.8175
H112.40893.57142.85213.01211.09894.00901.80242.78493.32551.8175

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 105.503 S1 C4 H8 109.649
S1 C4 H9 109.649 S1 C5 H7 105.503
S1 C5 H10 109.649 S1 C5 H11 109.649
O2 S1 O3 120.959 O2 S1 C4 107.885
O2 S1 C5 107.885 O3 S1 C4 107.885
O3 S1 C5 107.885 C4 S1 C5 102.888
H6 C4 H8 110.139 H6 C4 H9 110.139
H7 C5 H10 110.139 H7 C5 H11 110.139
H8 C4 H9 111.582 H10 C5 H11 111.582
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.414      
2 O -0.253      
3 O -0.253      
4 C -0.476      
5 C -0.476      
6 H 0.189      
7 H 0.189      
8 H 0.167      
9 H 0.167      
10 H 0.167      
11 H 0.167      


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 -4.091 4.091
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -41.437 0.000 0.000
y 0.000 -31.504 0.000
z 0.000 0.000 -37.360
Traceless
 xyz
x -7.005 0.000 0.000
y 0.000 7.894 0.000
z 0.000 0.000 -0.889
Polar
3z2-r2-1.778
x2-y2-9.933
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.672 0.000 0.000
y 0.000 7.456 0.000
z 0.000 0.000 6.892


<r2> (average value of r2) Å2
<r2> 128.529
(<r2>)1/2 11.337