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

using model chemistry: PBEPBEultrafine/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/cc-pVTZ
 hartrees
Energy at 0K-628.104243
Energy at 298.15K 
HF Energy-628.104243
Nuclear repulsion energy270.698757
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/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3099 3077 0.93      
2 A1 2996 2975 1.67      
3 A1 1405 1395 2.95      
4 A1 1280 1271 18.15      
5 A1 1109 1102 136.04      
6 A1 964 957 1.06      
7 A1 632 628 13.57      
8 A1 455 452 18.25      
9 A1 253 251 2.40      
10 A2 3101 3080 0.00      
11 A2 1394 1384 0.00      
12 A2 888 882 0.00      
13 A2 275 274 0.00      
14 A2 162 161 0.00      
15 B1 3105 3083 2.30      
16 B1 1411 1401 5.92      
17 B1 1296 1287 198.68      
18 B1 943 936 0.80      
19 B1 334 332 0.21      
20 B1 191 190 0.45      
21 B2 3098 3076 0.63      
22 B2 2993 2972 0.05      
23 B2 1394 1385 6.34      
24 B2 1264 1256 13.36      
25 B2 899 893 63.31      
26 B2 692 687 49.73      
27 B2 423 420 26.20      

Unscaled Zero Point Vibrational Energy (zpe) 18027.2 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 17902.8 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/cc-pVTZ
ABC
0.14823 0.13769 0.13462

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.193
O2 -1.277 0.000 0.922
O3 1.277 0.000 0.922
C4 0.000 1.420 -0.928
C5 0.000 -1.420 -0.928
H6 0.000 2.301 -0.275
H7 0.000 -2.301 -0.275
H8 0.908 1.399 -1.540
H9 -0.908 1.399 -1.540
H10 -0.908 -1.399 -1.540
H11 0.908 -1.399 -1.540

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46991.46991.80921.80922.34802.34802.40492.40492.40492.4049
O21.46992.55342.65832.65832.89072.89073.57602.85492.85493.5760
O31.46992.55342.65832.65832.89072.89072.85493.57603.57602.8549
C41.80922.65832.65832.84041.09603.77781.09531.09533.02413.0241
C51.80922.65832.65832.84043.77781.09603.02413.02411.09531.0953
H62.34802.89072.89071.09603.77784.60171.79931.79934.01384.0138
H72.34802.89072.89073.77781.09604.60174.01384.01381.79931.7993
H82.40493.57602.85491.09533.02411.79934.01381.81613.33522.7974
H92.40492.85493.57601.09533.02411.79934.01381.81612.79743.3352
H102.40492.85493.57603.02411.09534.01381.79933.33522.79741.8161
H112.40493.57602.85493.02411.09534.01381.79932.79743.33521.8161

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 105.184 S1 C4 H8 109.317
S1 C4 H9 109.317 S1 C5 H7 105.184
S1 C5 H10 109.317 S1 C5 H11 109.317
O2 S1 O3 120.580 O2 S1 C4 107.881
O2 S1 C5 107.881 O3 S1 C4 107.881
O3 S1 C5 107.881 C4 S1 C5 103.440
H6 C4 H8 110.391 H6 C4 H9 110.391
H7 C5 H10 110.391 H7 C5 H11 110.391
H8 C4 H9 112.005 H10 C5 H11 112.005
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.724      
2 O -0.419      
3 O -0.419      
4 C -0.300      
5 C -0.300      
6 H 0.131      
7 H 0.131      
8 H 0.113      
9 H 0.113      
10 H 0.113      
11 H 0.113      


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 -4.311 4.311
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.706 0.000 0.000
y 0.000 -32.098 0.000
z 0.000 0.000 -38.329
Traceless
 xyz
x -7.493 0.000 0.000
y 0.000 8.420 0.000
z 0.000 0.000 -0.927
Polar
3z2-r2-1.854
x2-y2-10.608
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.330 0.000 0.000
y 0.000 8.301 0.000
z 0.000 0.000 7.549


<r2> (average value of r2) Å2
<r2> 129.695
(<r2>)1/2 11.388