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

using model chemistry: MP2/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-626.886056
Energy at 298.15K-626.897410
HF Energy-626.323055
Nuclear repulsion energy319.827170
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 MP2/3-21G
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 3214 3068 8.25      
2 A 3197 3051 6.84      
3 A 3177 3033 12.99      
4 A 3164 3020 8.91      
5 A 3160 3016 13.48      
6 A 3141 2998 4.52      
7 A 3136 2993 13.32      
8 A 3129 2986 1.15      
9 A 3090 2949 11.78      
10 A 3018 2881 25.79      
11 A 1625 1551 12.28      
12 A 1602 1529 14.63      
13 A 1600 1527 6.97      
14 A 1597 1525 11.99      
15 A 1558 1487 4.52      
16 A 1547 1477 6.51      
17 A 1512 1443 30.57      
18 A 1500 1432 4.31      
19 A 1336 1276 1.96      
20 A 1325 1264 1.26      
21 A 1319 1259 2.40      
22 A 1300 1241 4.24      
23 A 1117 1066 14.04      
24 A 1092 1043 6.91      
25 A 1083 1034 8.51      
26 A 1056 1008 0.68      
27 A 999 953 0.94      
28 A 994 949 2.18      
29 A 924 882 79.32      
30 A 838 800 8.00      
31 A 802 765 5.07      
32 A 613 585 18.48      
33 A 517 494 6.95      
34 A 484 462 5.13      
35 A 338 323 0.78      
36 A 297 284 13.35      
37 A 279 266 1.38      
38 A 248 237 3.98      
39 A 212 203 1.71      
40 A 173 165 3.70      
41 A 121 115 2.65      
42 A 91 87 0.26      

Unscaled Zero Point Vibrational Energy (zpe) 30761.9 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 29362.2 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 MP2/3-21G
ABC
0.12100 0.06933 0.05402

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -1.891 -1.108 0.540
H2 -2.779 -1.693 0.291
H3 -1.421 -1.539 1.429
H4 -2.175 -0.066 0.764
C5 2.453 -0.617 -0.034
H6 2.884 0.034 -0.802
H7 3.248 -0.904 0.662
H8 2.083 -1.526 -0.519
C9 1.330 0.108 0.723
H10 1.676 1.035 1.187
H11 0.851 -0.517 1.481
C12 -0.907 -1.055 -0.634
H13 -0.125 -1.815 -0.626
S14 -0.015 0.685 -0.515
O15 -1.064 1.637 0.301
H16 -1.412 -1.036 -1.602

Atom - Atom Distances (Å)
  C1 H2 H3 H4 C5 H6 H7 H8 C9 H10 H11 C12 H13 S14 O15 H16
C11.09291.09431.10304.40925.08945.14444.13393.44744.21112.95781.53222.23112.80072.87672.1962
H21.09291.77871.79925.35216.02106.09034.93254.50765.30093.99692.18352.81123.73473.74652.4266
H31.09431.77871.78364.24315.09784.77444.00973.28324.03462.49152.18062.44583.27133.38943.0730
H41.10301.79921.78364.72925.29705.48904.68133.51004.02833.14222.13083.03232.62022.08582.6688
C54.40925.35214.24314.72921.09481.09511.09501.53652.19622.20803.44172.90382.83164.19064.1919
H65.08946.02105.09785.29701.09481.77661.77652.17862.53293.10653.94823.53582.98504.40104.4986
H75.14446.09034.77445.48901.09511.77661.77162.16972.55092.56334.35553.72363.81565.01815.1825
H84.13394.93254.00974.68131.09501.77651.77162.18653.10422.55723.02962.22953.04834.53673.6916
C93.44744.50763.28323.51001.53652.17862.16972.18651.09291.09282.86362.76291.91702.87183.7727
H104.21115.30094.03464.02832.19622.53292.55093.10421.09291.78223.78933.82782.42462.94214.6480
H112.95783.99692.49153.14222.20803.10652.56332.55721.09281.78222.80222.66012.48503.11373.8592
C121.53222.18352.18062.13083.44173.94824.35553.02962.86363.78932.80221.09041.95922.85411.0920
H132.23112.81122.44583.03232.90383.53583.72362.22952.76293.82782.66011.09042.50453.69531.7930
S142.80073.73473.27132.62022.83162.98503.81563.04831.91702.42462.48501.95922.50451.63432.4688
O152.87673.74653.38942.08584.19064.40105.01814.53672.87182.94213.11372.85413.69531.63433.2997
H162.19622.42663.07302.66884.19194.49865.18253.69163.77274.64803.85921.09201.79302.46883.2997

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 115.548 C1 C12 S14 106.032
C1 C12 H16 112.551 H2 C1 H3 108.822
H2 C1 H4 110.029 H2 C1 C12 111.470
H3 C1 H4 108.531 H3 C1 C12 111.152
H4 C1 C12 106.783 C5 C9 H10 112.187
C5 C9 H11 113.157 C5 C9 S14 109.665
H6 C5 H7 108.443 H6 C5 H8 108.444
H6 C5 C9 110.662 H7 C5 H8 107.980
H7 C5 C9 109.938 H8 C5 C9 111.283
C9 S14 C12 95.247 C9 S14 O15 107.664
H10 C9 H11 109.250 H10 C9 S14 103.940
H11 C9 S14 108.169 C12 S14 O15 104.810
H13 C12 S14 106.941 H13 C12 H16 110.477
S14 C12 H16 104.402
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.581     -0.133
2 H 0.199     0.041
3 H 0.183     0.049
4 H 0.240     0.075
5 C -0.562     -0.313
6 H 0.205     0.091
7 H 0.213     0.101
8 H 0.193     0.115
9 C -0.668     -0.075
10 H 0.241     0.121
11 H 0.235     0.092
12 C -0.649     -0.087
13 H 0.217     0.047
14 S 0.935     0.211
15 O -0.626     -0.439
16 H 0.228     0.104


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  2.575 -3.244 -0.674 4.196
CHELPG        
AIM        
ESP 2.582 -3.259 -0.686 4.214


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -45.994 4.245 2.277
y 4.245 -51.808 -0.624
z 2.277 -0.624 -46.327
Traceless
 xyz
x 3.073 4.245 2.277
y 4.245 -5.647 -0.624
z 2.277 -0.624 2.574
Polar
3z2-r25.148
x2-y25.814
xy4.245
xz2.277
yz-0.624


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.649 0.041 0.474
y 0.041 9.136 0.318
z 0.474 0.318 7.388


<r2> (average value of r2) Å2
<r2> 237.448
(<r2>)1/2 15.409