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

using model chemistry: HF/daug-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/daug-cc-pVTZ
 hartrees
Energy at 0K-626.552525
Energy at 298.15K-626.560871
HF Energy-626.552525
Nuclear repulsion energy277.537683
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/daug-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 3291 2977 2.68      
2 A1 3197 2892 2.98      
3 A1 1578 1428 3.40      
4 A1 1494 1352 20.88      
5 A1 1265 1144 204.44      
6 A1 1105 1000 0.41      
7 A1 753 681 8.28      
8 A1 543 491 38.46      
9 A1 291 263 2.80      
10 A2 3293 2979 0.00      
11 A2 1568 1418 0.00      
12 A2 1028 930 0.00      
13 A2 326 295 0.00      
14 A2 203 183 0.00      
15 B1 3299 2985 5.70      
16 B1 1584 1433 5.87      
17 B1 1453 1315 319.87      
18 B1 1089 985 0.51      
19 B1 389 352 0.68      
20 B1 236 213 0.42      
21 B2 3289 2975 0.01      
22 B2 3193 2889 0.08      
23 B2 1569 1419 4.55      
24 B2 1478 1337 10.77      
25 B2 1038 939 78.97      
26 B2 820 742 31.92      
27 B2 502 454 55.89      

Unscaled Zero Point Vibrational Energy (zpe) 19936.7 cm-1
Scaled (by 0.9046) Zero Point Vibrational Energy (zpe) 18034.7 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 HF/daug-cc-pVTZ
ABC
0.15749 0.14447 0.13981

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.183
O2 -1.230 0.000 0.903
O3 1.230 0.000 0.903
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 1.384 -1.507
H9 -0.893 1.384 -1.507
H10 -0.893 -1.384 -1.507
H11 0.893 -1.384 -1.507

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.42471.42471.77011.77012.31302.31302.36012.36012.36012.3601
O21.42472.45902.59292.59292.83182.83183.49692.79942.79943.4969
O31.42472.45902.59292.59292.83182.83182.79943.49693.49692.7994
C41.77012.59292.59292.79891.08043.72481.07931.07932.98562.9856
C51.77012.59292.59292.79893.72481.08042.98562.98561.07931.0793
H62.31302.83182.83181.08043.72484.54001.77031.77033.96273.9627
H72.31302.83182.83183.72481.08044.54003.96273.96271.77031.7703
H82.36013.49692.79941.07932.98561.77033.96271.78583.29462.7686
H92.36012.79943.49691.07932.98561.77033.96271.78582.76863.2946
H102.36012.79943.49692.98561.07933.96271.77033.29462.76861.7858
H112.36013.49692.79942.98561.07933.96271.77032.76863.29461.7858

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 105.928 S1 C4 H8 109.441
S1 C4 H9 109.441 S1 C5 H7 105.928
S1 C5 H10 109.441 S1 C5 H11 109.441
O2 S1 O3 119.312 O2 S1 C4 108.020
O2 S1 C5 108.020 O3 S1 C4 108.020
O3 S1 C5 108.020 C4 S1 C5 104.481
H6 C4 H8 110.113 H6 C4 H9 110.113
H7 C5 H10 110.113 H7 C5 H11 110.113
H8 C4 H9 111.640 H10 C5 H11 111.640
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/daug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 4.527      
2 O -1.641      
3 O -1.641      
4 C -1.805      
5 C -1.805      
6 H 0.365      
7 H 0.365      
8 H 0.408      
9 H 0.408      
10 H 0.408      
11 H 0.408      


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 -5.079 5.079
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -43.906 0.000 0.000
y 0.000 -31.281 0.000
z 0.000 0.000 -38.605
Traceless
 xyz
x -8.963 0.000 0.000
y 0.000 9.974 0.000
z 0.000 0.000 -1.011
Polar
3z2-r2-2.023
x2-y2-12.625
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.752 0.000 0.000
y 0.000 7.553 0.000
z 0.000 0.000 6.975


<r2> (average value of r2) Å2
<r2> 125.075
(<r2>)1/2 11.184