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

using model chemistry: PBEPBEultrafine/3-21G

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/3-21G
 hartrees
Energy at 0K-624.619850
Energy at 298.15K 
HF Energy-624.619850
Nuclear repulsion energy254.137860
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/3-21G
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 3148 3120 0.02      
2 A1 3026 2998 0.66      
3 A1 1457 1444 4.50      
4 A1 1317 1305 10.90      
5 A1 1013 1004 63.16      
6 A1 894 886 21.02      
7 A1 526 521 22.80      
8 A1 386 383 9.83      
9 A1 231 229 1.56      
10 A2 3145 3117 0.00      
11 A2 1456 1443 0.00      
12 A2 892 884 0.00      
13 A2 189 188 0.00      
14 A2 120 119 0.00      
15 B1 3149 3121 0.77      
16 B1 1473 1459 29.38      
17 B1 1131 1121 73.13      
18 B1 923 915 0.26      
19 B1 266 263 0.90      
20 B1 156 154 0.29      
21 B2 3147 3118 0.13      
22 B2 3023 2996 0.25      
23 B2 1445 1431 15.93      
24 B2 1293 1281 5.63      
25 B2 907 899 22.54      
26 B2 581 576 71.91      
27 B2 300 298 17.12      

Unscaled Zero Point Vibrational Energy (zpe) 17797.7 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 17635.7 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/3-21G
ABC
0.12512 0.12461 0.11979

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.215
O2 -1.384 0.000 1.018
O3 1.384 0.000 1.018
C4 0.000 1.459 -1.030
C5 0.000 -1.459 -1.030
H6 0.000 2.375 -0.423
H7 0.000 -2.375 -0.423
H8 0.915 1.376 -1.632
H9 -0.915 1.376 -1.632
H10 -0.915 -1.376 -1.632
H11 0.915 -1.376 -1.632

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.60031.60031.91781.91782.45882.45882.47832.47832.47832.4783
O21.60032.76792.87042.87043.10363.10363.76883.02303.02303.7688
O31.60032.76792.87042.87043.10363.10363.02303.76883.76883.0230
C41.91782.87042.87042.91791.09853.88131.09851.09853.03913.0391
C51.91782.87042.87042.91793.88131.09853.03913.03911.09851.0985
H62.45883.10363.10361.09853.88134.74931.81561.81564.04544.0454
H72.45883.10363.10363.88131.09854.74934.04544.04541.81561.8156
H82.47833.76883.02301.09853.03911.81564.04541.82993.30482.7519
H92.47833.02303.76881.09853.03911.81564.04541.82992.75193.3048
H102.47833.02303.76883.03911.09854.04541.81563.30482.75191.8299
H112.47833.76883.02303.03911.09854.04541.81562.75193.30481.8299

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 106.003 S1 C4 H8 107.359
S1 C4 H9 107.359 S1 C5 H7 106.003
S1 C5 H10 107.359 S1 C5 H11 107.359
O2 S1 O3 119.720 O2 S1 C4 109.020
O2 S1 C5 109.020 O3 S1 C4 109.020
O3 S1 C5 109.020 C4 S1 C5 99.061
H6 C4 H8 111.457 H6 C4 H9 111.457
H7 C5 H10 111.457 H7 C5 H11 111.457
H8 C4 H9 112.794 H10 C5 H11 112.794
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.234      
2 O -0.514      
3 O -0.514      
4 C -0.897      
5 C -0.897      
6 H 0.281      
7 H 0.281      
8 H 0.256      
9 H 0.256      
10 H 0.256      
11 H 0.256      


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 -4.669 4.669
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.563 0.000 0.000
y 0.000 -32.980 0.000
z 0.000 0.000 -39.530
Traceless
 xyz
x -7.308 0.000 0.000
y 0.000 8.567 0.000
z 0.000 0.000 -1.259
Polar
3z2-r2-2.518
x2-y2-10.583
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.776 0.000 0.000
y 0.000 7.304 0.000
z 0.000 0.000 7.020


<r2> (average value of r2) Å2
<r2> 143.625
(<r2>)1/2 11.984