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All results from a given calculation for C4H10OS (Diethyl sulfoxide)

using model chemistry: B3LYP/CEP-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at B3LYP/CEP-31G
 hartrees
Energy at 0K-54.575241
Energy at 298.15K-54.586000
Nuclear repulsion energy137.270269
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 B3LYP/CEP-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 A 3176 3075 28.28      
2 A 3163 3063 35.37      
3 A 3130 3031 7.93      
4 A 3125 3027 28.76      
5 A 3120 3021 82.96      
6 A 3118 3019 3.01      
7 A 3096 2998 3.66      
8 A 3083 2986 26.63      
9 A 3040 2944 31.66      
10 A 3038 2942 37.99      
11 A 1518 1470 9.69      
12 A 1510 1462 10.62      
13 A 1506 1459 14.38      
14 A 1500 1453 11.17      
15 A 1477 1431 8.62      
16 A 1468 1422 5.06      
17 A 1434 1389 13.77      
18 A 1427 1381 16.94      
19 A 1297 1256 6.00      
20 A 1277 1237 20.16      
21 A 1254 1214 4.90      
22 A 1245 1206 0.80      
23 A 1085 1050 11.92      
24 A 1073 1039 6.63      
25 A 1060 1026 1.46      
26 A 1022 989 3.31      
27 A 993 962 8.02      
28 A 985 954 7.96      
29 A 793 768 15.13      
30 A 763 739 8.79      
31 A 732 709 20.04      
32 A 597 578 2.92      
33 A 520 504 2.49      
34 A 411 398 2.45      
35 A 324 313 1.35      
36 A 254 246 3.41      
37 A 236 229 3.23      
38 A 195 189 3.09      
39 A 190 184 9.63      
40 A 173 168 3.53      
41 A 108 105 3.36      
42 A 39 38 0.12      

Unscaled Zero Point Vibrational Energy (zpe) 29776.6 cm-1
Scaled (by 0.9684) Zero Point Vibrational Energy (zpe) 28835.7 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 B3LYP/CEP-31G
ABC
0.10760 0.07002 0.05318

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-31G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.760 -1.093 -0.615
H2 2.538 -1.870 -0.503
H3 1.065 -1.417 -1.409
H4 2.241 -0.152 -0.932
C5 -2.390 -0.632 0.040
H6 -2.835 -0.269 0.983
H7 -3.210 -0.767 -0.689
H8 -1.944 -1.625 0.225
C9 -1.359 0.373 -0.524
H10 -1.796 1.361 -0.730
H11 -0.844 0.020 -1.431
C12 1.044 -0.874 0.733
H13 0.328 -1.666 1.009
S14 0.042 0.806 0.739
O15 1.039 1.864 -0.176
H16 1.757 -0.724 1.558

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 H13 S14 O15 H16
C11.10541.10321.10334.22614.93404.98043.83513.44704.32202.94711.54252.23922.89703.07502.2046
H21.10541.78741.79545.10965.79975.85514.54734.49605.41063.98422.18002.68483.86454.03672.4839
H31.10321.78741.79213.82764.71674.38323.43033.14024.04552.39012.20992.53933.25623.50513.1243
H41.10331.79541.79214.75625.42665.49064.58543.66084.31643.13032.17413.11692.92362.46602.6001
C54.22615.10963.82764.75621.10371.10511.10381.54662.21782.23123.51113.06492.91034.24644.4169
H64.93405.79974.71675.42661.10371.78351.79062.20522.58253.14193.93373.45793.08104.57164.6505
H74.98045.85514.38325.49061.10511.78351.78102.17972.55482.60094.48594.02553.88375.02305.4513
H83.83514.54733.43034.58541.10381.79061.78102.21273.13852.58053.12282.40433.18114.60784.0361
C93.44704.49603.14023.66081.54662.20522.17972.21271.10001.10022.98463.05801.93532.84483.9049
H104.32205.41064.04554.31642.21782.58252.55483.13851.10001.78733.89874.08592.41722.93204.7124
H112.94713.98422.39013.13032.23123.14192.60092.58051.10021.78733.00793.18882.47192.91874.0317
C121.54252.18002.20992.17413.51113.93374.48593.12282.98463.89873.00791.10211.95602.88441.1007
H132.23922.68482.53933.11693.06493.45794.02552.40433.05804.08593.18881.10212.50263.78981.7971
S142.89703.86453.25622.92362.91033.08103.88373.18111.93532.41722.47191.95602.50261.71742.4402
O153.07504.03673.50512.46604.24644.57165.02304.60782.84482.93202.91872.88443.78981.71743.1966
H162.20462.48393.12432.60014.41694.65055.45134.03613.90494.71244.03171.10071.79712.44023.1966

picture of Diethyl sulfoxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C12 H13 114.691 C1 C12 S14 111.252
C1 C12 H16 111.946 H2 C1 H3 108.058
H2 C1 H4 108.754 H2 C1 C12 109.727
H3 C1 H4 108.615 H3 C1 C12 112.224
H4 C1 C12 109.392 C5 C9 H10 112.763
C5 C9 H11 113.847 C5 C9 S14 112.929
H6 C5 H7 107.691 H6 C5 H8 108.413
H6 C5 C9 111.524 H7 C5 H8 107.474
H7 C5 C9 109.438 H8 C5 C9 112.123
C9 S14 C12 100.170 C9 S14 O15 102.139
H10 C9 H11 108.658 H10 C9 S14 102.034
H11 C9 S14 105.730 C12 S14 O15 103.289
H13 C12 S14 106.474 H13 C12 H16 109.339
S14 C12 H16 102.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.408      
2 H 0.161      
3 H 0.136      
4 H 0.225      
5 C -0.408      
6 H 0.163      
7 H 0.168      
8 H 0.148      
9 C -0.416      
10 H 0.212      
11 H 0.193      
12 C -0.425      
13 H 0.164      
14 S 0.493      
15 O -0.604      
16 H 0.197      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -2.741 -4.707 0.588 5.479
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.415 -6.437 2.141
y -6.437 -52.799 0.294
z 2.141 0.294 -44.279
Traceless
 xyz
x 6.124 -6.437 2.141
y -6.437 -9.453 0.294
z 2.141 0.294 3.328
Polar
3z2-r26.656
x2-y210.385
xy-6.437
xz2.141
yz0.294


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 11.574 0.159 0.326
y 0.159 10.344 -0.315
z 0.326 -0.315 8.282


<r2> (average value of r2) Å2
<r2> 191.914
(<r2>)1/2 13.853