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

using model chemistry: LSDA/6-31G**

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/6-31G**
 hartrees
Energy at 0K-626.208602
Energy at 298.15K 
HF Energy-626.208602
Nuclear repulsion energy272.442922
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/6-31G**
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 3127 3069 0.31      
2 A1 3010 2954 0.10      
3 A1 1398 1372 3.63      
4 A1 1293 1269 32.96      
5 A1 1143 1121 137.93      
6 A1 976 958 5.90      
7 A1 679 666 11.53      
8 A1 467 458 20.51      
9 A1 259 254 2.85      
10 A2 3128 3069 0.00      
11 A2 1384 1358 0.00      
12 A2 891 874 0.00      
13 A2 269 264 0.00      
14 A2 188 185 0.00      
15 B1 3131 3072 0.00      
16 B1 1405 1379 3.76      
17 B1 1344 1319 207.66      
18 B1 954 936 4.38      
19 B1 343 337 0.11      
20 B1 220 216 0.60      
21 B2 3127 3068 3.67      
22 B2 3008 2952 3.13      
23 B2 1386 1360 10.66      
24 B2 1273 1249 35.05      
25 B2 914 897 84.64      
26 B2 733 720 37.16      
27 B2 427 419 28.14      

Unscaled Zero Point Vibrational Energy (zpe) 18237.8 cm-1
Scaled (by 0.9813) Zero Point Vibrational Energy (zpe) 17896.7 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/6-31G**
ABC
0.14956 0.13991 0.13795

See section I.F.4 to change rotational constant units
Geometric Data calculated at LSDA/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.191
O2 -1.277 0.000 0.914
O3 1.277 0.000 0.914
C4 0.000 1.396 -0.916
C5 0.000 -1.396 -0.916
H6 0.000 2.287 -0.271
H7 0.000 -2.287 -0.271
H8 0.910 1.382 -1.535
H9 -0.910 1.382 -1.535
H10 -0.910 -1.382 -1.535
H11 0.910 -1.382 -1.535

Atom - Atom Distances (Å)
  S1 O2 O3 C4 C5 H6 H7 H8 H9 H10 H11
S11.46751.46751.78151.78152.33312.33312.39022.39022.39022.3902
O21.46752.55402.63222.63222.87482.87483.56172.83532.83533.5617
O31.46752.55402.63222.63222.87482.87482.83533.56173.56172.8353
C41.78152.63222.63222.79151.10073.73901.10001.10002.98722.9872
C51.78152.63222.63222.79153.73901.10072.98722.98721.10001.1000
H62.33312.87482.87481.10073.73904.57421.80141.80143.98553.9855
H72.33312.87482.87483.73901.10074.57423.98553.98551.80141.8014
H82.39023.56172.83531.10002.98721.80143.98551.81953.30842.7632
H92.39022.83533.56171.10002.98721.80143.98551.81952.76323.3084
H102.39022.83533.56172.98721.10003.98551.80143.30842.76321.8195
H112.39023.56172.83532.98721.10003.98551.80142.76323.30841.8195

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 105.658 S1 C4 H8 109.828
S1 C4 H9 109.828 S1 C5 H7 105.658
S1 C5 H10 109.828 S1 C5 H11 109.828
O2 S1 O3 120.952 O2 S1 C4 107.833
O2 S1 C5 107.833 O3 S1 C4 107.833
O3 S1 C5 107.833 C4 S1 C5 103.158
H6 C4 H8 109.884 H6 C4 H9 109.884
H7 C5 H10 109.884 H7 C5 H11 109.884
H8 C4 H9 111.588 H10 C5 H11 111.588
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.878      
2 O -0.452      
3 O -0.452      
4 C -0.596      
5 C -0.596      
6 H 0.222      
7 H 0.222      
8 H 0.194      
9 H 0.194      
10 H 0.194      
11 H 0.194      


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 -4.486 4.486
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.356 0.000 0.000
y 0.000 -31.447 0.000
z 0.000 0.000 -37.917
Traceless
 xyz
x -7.674 0.000 0.000
y 0.000 8.689 0.000
z 0.000 0.000 -1.015
Polar
3z2-r2-2.031
x2-y2-10.909
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.509 0.000 0.000
y 0.000 6.982 0.000
z 0.000 0.000 6.539


<r2> (average value of r2) Å2
<r2> 127.722
(<r2>)1/2 11.301