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

using model chemistry: LSDA/cc-pV(T+d)Z

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at LSDA/cc-pV(T+d)Z
 hartrees
Energy at 0K-626.384136
Energy at 298.15K 
HF Energy-626.384136
Nuclear repulsion energy276.522269
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 LSDA/cc-pV(T+d)Z
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 3095 3064 0.20      
2 A1 2989 2959 0.36      
3 A1 1375 1361 3.53      
4 A1 1269 1256 59.46      
5 A1 1177 1165 113.08      
6 A1 961 951 6.92      
7 A1 691 684 10.89      
8 A1 481 476 21.52      
9 A1 263 260 3.04      
10 A2 3103 3071 0.00      
11 A2 1360 1346 0.00      
12 A2 875 866 0.00      
13 A2 287 284 0.00      
14 A2 171 170 0.00      
15 B1 3106 3075 0.07      
16 B1 1396 1382 61.88      
17 B1 1367 1353 158.07      
18 B1 938 928 3.09      
19 B1 347 344 0.07      
20 B1 209 207 0.63      
21 B2 3094 3063 3.88      
22 B2 2987 2957 2.77      
23 B2 1362 1348 7.24      
24 B2 1249 1236 40.67      
25 B2 899 890 97.66      
26 B2 735 727 27.59      
27 B2 446 441 29.43      

Unscaled Zero Point Vibrational Energy (zpe) 18115.6 cm-1
Scaled (by 0.9899) Zero Point Vibrational Energy (zpe) 17932.7 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 LSDA/cc-pV(T+d)Z
ABC
0.15503 0.14403 0.14135

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.186
O2 -1.249 0.000 0.900
O3 1.249 0.000 0.900
C4 0.000 1.382 -0.902
C5 0.000 -1.382 -0.902
H6 0.000 2.264 -0.248
H7 0.000 -2.264 -0.248
H8 0.909 1.372 -1.516
H9 -0.909 1.372 -1.516
H10 -0.909 -1.372 -1.516
H11 0.909 -1.372 -1.516

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.43921.43921.75891.75892.30552.30552.36682.36682.36682.3668
O21.43922.49872.59212.59212.82952.82953.51772.79882.79883.5177
O31.43922.49872.59212.59212.82952.82952.79883.51773.51772.7988
C41.75892.59212.59212.76471.09803.70491.09651.09652.96422.9642
C51.75892.59212.59212.76473.70491.09802.96422.96421.09651.0965
H62.30552.82952.82951.09803.70494.52881.79721.79723.95653.9565
H72.30552.82952.82953.70491.09804.52883.95653.95651.79721.7972
H82.36683.51772.79881.09652.96421.79723.95651.81723.29052.7433
H92.36682.79883.51771.09652.96421.79723.95651.81722.74333.2905
H102.36682.79883.51772.96421.09653.95651.79723.29052.74331.8172
H112.36683.51772.79882.96421.09653.95651.79722.74333.29051.8172

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 105.251 S1 C4 H8 109.783
S1 C4 H9 109.783 S1 C5 H7 105.251
S1 C5 H10 109.783 S1 C5 H11 109.783
O2 S1 O3 120.480 O2 S1 C4 107.874
O2 S1 C5 107.874 O3 S1 C4 107.874
O3 S1 C5 107.874 C4 S1 C5 103.611
H6 C4 H8 109.953 H6 C4 H9 109.953
H7 C5 H10 109.953 H7 C5 H11 109.953
H8 C4 H9 111.907 H10 C5 H11 111.907
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.661      
2 O -0.393      
3 O -0.393      
4 C -0.356      
5 C -0.356      
6 H 0.152      
7 H 0.152      
8 H 0.133      
9 H 0.133      
10 H 0.133      
11 H 0.133      


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 -4.286 4.286
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.417 0.000 0.000
y 0.000 -31.899 0.000
z 0.000 0.000 -38.120
Traceless
 xyz
x -7.407 0.000 0.000
y 0.000 8.370 0.000
z 0.000 0.000 -0.963
Polar
3z2-r2-1.925
x2-y2-10.518
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.125 0.000 0.000
y 0.000 8.007 0.000
z 0.000 0.000 7.310


<r2> (average value of r2) Å2
<r2> 124.983
(<r2>)1/2 11.180