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

using model chemistry: HF/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 HF/cc-pVTZ
 hartrees
Energy at 0K-626.547042
Energy at 298.15K 
HF Energy-626.547042
Nuclear repulsion energy277.630624
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 HF/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 3289 2994 2.90      
2 A1 3196 2909 2.76      
3 A1 1578 1436 3.37      
4 A1 1495 1361 22.82      
5 A1 1274 1159 205.56      
6 A1 1106 1006 0.70      
7 A1 755 687 9.76      
8 A1 545 496 39.33      
9 A1 291 265 2.69      
10 A2 3293 2997 0.00      
11 A2 1568 1427 0.00      
12 A2 1030 938 0.00      
13 A2 327 298 0.00      
14 A2 202 184 0.00      
15 B1 3299 3002 6.78      
16 B1 1585 1442 5.34      
17 B1 1468 1336 302.10      
18 B1 1092 994 0.52      
19 B1 391 356 0.81      
20 B1 236 215 0.51      
21 B2 3288 2992 0.00      
22 B2 3192 2905 0.17      
23 B2 1569 1428 4.48      
24 B2 1479 1346 11.72      
25 B2 1039 945 86.00      
26 B2 822 748 35.94      
27 B2 503 458 57.63      

Unscaled Zero Point Vibrational Energy (zpe) 19956.4 cm-1
Scaled (by 0.9101) Zero Point Vibrational Energy (zpe) 18162.3 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 HF/cc-pVTZ
ABC
0.15759 0.14453 0.13991

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.184
O2 -1.229 0.000 0.901
O3 1.229 0.000 0.901
C4 0.000 1.399 -0.901
C5 0.000 -1.399 -0.901
H6 0.000 2.270 -0.261
H7 0.000 -2.270 -0.261
H8 0.893 1.385 -1.508
H9 -0.893 1.385 -1.508
H10 -0.893 -1.385 -1.508
H11 0.893 -1.385 -1.508

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.42351.42351.77021.77022.31292.31292.36132.36132.36132.3613
O21.42352.45882.59172.59172.83102.83103.49642.79902.79903.4964
O31.42352.45882.59172.59172.83102.83102.79903.49643.49642.7990
C41.77022.59172.59172.79771.08053.72381.07951.07952.98572.9857
C51.77022.59172.59172.79773.72381.08052.98572.98571.07951.0795
H62.31292.83102.83101.08053.72384.53931.77011.77013.96313.9631
H72.31292.83102.83103.72381.08054.53933.96313.96311.77011.7701
H82.36133.49642.79901.07952.98571.77013.96311.78573.29562.7699
H92.36132.79903.49641.07952.98571.77013.96311.78572.76993.2956
H102.36132.79903.49642.98571.07953.96311.77013.29562.76991.7857
H112.36133.49642.79902.98571.07953.96311.77012.76993.29561.7857

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 105.902 S1 C4 H8 109.522
S1 C4 H9 109.522 S1 C5 H7 105.902
S1 C5 H10 109.522 S1 C5 H11 109.522
O2 S1 O3 119.455 O2 S1 C4 107.995
O2 S1 C5 107.995 O3 S1 C4 107.995
O3 S1 C5 107.995 C4 S1 C5 104.411
H6 C4 H8 110.063 H6 C4 H9 110.063
H7 C5 H10 110.063 H7 C5 H11 110.063
H8 C4 H9 111.607 H10 C5 H11 111.607
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.985      
2 O -0.562      
3 O -0.562      
4 C -0.297      
5 C -0.297      
6 H 0.135      
7 H 0.135      
8 H 0.116      
9 H 0.116      
10 H 0.116      
11 H 0.116      


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 -4.993 4.993
CHELPG        
AIM        
ESP -0.001 0.000 -5.015 5.015


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.620 0.000 0.000
y 0.000 -31.217 0.000
z 0.000 0.000 -38.442
Traceless
 xyz
x -8.791 0.000 0.000
y 0.000 9.814 0.000
z 0.000 0.000 -1.023
Polar
3z2-r2-2.047
x2-y2-12.403
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.292 0.000 0.000
y 0.000 7.012 0.000
z 0.000 0.000 6.430


<r2> (average value of r2) Å2
<r2> 124.921
(<r2>)1/2 11.177