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All results from a given calculation for C2H5SC2H5 (Diethyl sulfide)

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 C2V 1A1
Energy calculated at MP2/3-21G
 hartrees
Energy at 0K-552.416130
Energy at 298.15K-552.426632
HF Energy-551.988319
Nuclear repulsion energy227.668323
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 A1 3161 3017 28.02      
2 A1 3117 2975 26.60      
3 A1 3090 2949 1.34      
4 A1 1604 1531 5.44      
5 A1 1579 1507 0.03      
6 A1 1499 1431 6.10      
7 A1 1374 1312 11.61      
8 A1 1128 1077 0.10      
9 A1 997 951 4.33      
10 A1 651 621 0.01      
11 A1 319 305 1.07      
12 A1 134 128 0.36      
13 A2 3187 3042 0.00      
14 A2 3164 3020 0.00      
15 A2 1597 1524 0.00      
16 A2 1337 1276 0.00      
17 A2 1081 1032 0.00      
18 A2 815 778 0.00      
19 A2 251 240 0.00      
20 A2 75 72 0.00      
21 B1 3185 3040 54.40      
22 B1 3163 3019 0.49      
23 B1 1597 1524 14.82      
24 B1 1342 1281 0.06      
25 B1 1095 1045 0.27      
26 B1 833 795 11.36      
27 B1 250 239 0.18      
28 B1 46 44 0.86      
29 B2 3161 3017 7.94      
30 B2 3118 2976 0.36      
31 B2 3090 2949 32.83      
32 B2 1603 1530 1.48      
33 B2 1572 1500 11.60      
34 B2 1499 1431 5.29      
35 B2 1340 1279 47.44      
36 B2 1088 1038 8.21      
37 B2 990 945 3.18      
38 B2 643 613 2.62      
39 B2 341 326 1.33      

Unscaled Zero Point Vibrational Energy (zpe) 30058.0 cm-1
Scaled (by 0.9545) Zero Point Vibrational Energy (zpe) 28690.4 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
0.44614 0.05467 0.05057

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.599
C2 0.000 1.445 -0.651
C3 0.000 -1.445 -0.651
C4 0.000 2.779 0.122
C5 0.000 -2.779 0.122
H6 0.893 1.351 -1.273
H7 -0.893 1.351 -1.273
H8 0.893 -1.351 -1.273
H9 -0.893 -1.351 -1.273
H10 0.000 3.618 -0.583
H11 0.000 -3.618 -0.583
H12 -0.889 2.854 0.756
H13 0.889 2.854 0.756
H14 0.889 -2.854 0.756
H15 -0.889 -2.854 0.756

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.91001.91002.81932.81932.47512.47512.47512.47513.80573.80572.99362.99362.99362.9936
C21.91002.88941.54154.29341.09271.09273.00003.00002.17405.06282.18042.18044.60974.6097
C31.91002.88944.29341.54153.00003.00001.09271.09275.06282.17404.60974.60972.18042.1804
C42.81931.54154.29345.55732.18702.18704.44924.44921.09586.43501.09411.09415.73785.7378
C52.81934.29341.54155.55734.44924.44922.18702.18706.43501.09585.73785.73781.09411.0941
H62.47511.09273.00002.18704.44921.78622.70153.23862.53245.09503.09052.52524.66894.9974
H72.47511.09273.00002.18704.44921.78623.23862.70152.53245.09502.52523.09054.99744.6689
H82.47513.00001.09274.44922.18702.70153.23861.78625.09502.53244.99744.66892.52523.0905
H92.47513.00001.09274.44922.18703.23862.70151.78625.09502.53244.66894.99743.09052.5252
H103.80572.17405.06281.09586.43502.53242.53245.09505.09507.23531.77871.77876.66846.6684
H113.80575.06282.17406.43501.09585.09505.09502.53242.53247.23536.66846.66841.77871.7787
H122.99362.18044.60971.09415.73783.09052.52524.99744.66891.77876.66841.77745.97905.7087
H132.99362.18044.60971.09415.73782.52523.09054.66894.99741.77876.66841.77745.70875.9790
H142.99364.60972.18045.73781.09414.66894.99742.52523.09056.66841.77875.97905.70871.7774
H152.99364.60972.18045.73781.09414.99744.66893.09052.52526.66841.77875.70875.97901.7774

picture of Diethyl sulfide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
S1 C2 C4 109.069 S1 C2 H6 107.915
S1 C2 H7 107.915 S1 C3 C5 109.069
S1 C3 H8 107.915 S1 C3 H9 107.915
C2 S1 C3 98.294 C2 C4 H10 109.888
C2 C4 H12 110.496 C2 C4 H13 110.496
C3 C5 H11 109.888 C3 C5 H14 110.496
C3 C5 H15 110.496 C4 C2 H6 111.097
C4 C2 H7 111.097 C5 C3 H8 111.097
C5 C3 H9 111.097 H6 C2 H7 109.638
H8 C3 H9 109.638 H10 C4 H12 108.635
H10 C4 H13 108.635 H11 C5 H14 108.635
H11 C5 H15 108.635 H12 C4 H13 108.639
H14 C5 H15 108.639
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at MP2/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.230     -0.315
2 C -0.588     -0.015
3 C -0.588     -0.015
4 C -0.542     -0.184
5 C -0.542     -0.184
6 H 0.211     0.071
7 H 0.211     0.067
8 H 0.211     0.071
9 H 0.211     0.067
10 H 0.193     0.046
11 H 0.193     0.046
12 H 0.201     0.087
13 H 0.201     0.085
14 H 0.201     0.085
15 H 0.201     0.087


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 -1.799 1.799
CHELPG        
AIM        
ESP 0.020 0.000 -1.730 1.730


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -42.733 0.000 0.000
y 0.000 -37.375 0.000
z 0.000 0.000 -42.639
Traceless
 xyz
x -2.726 0.000 0.000
y 0.000 5.311 0.000
z 0.000 0.000 -2.585
Polar
3z2-r2-5.170
x2-y2-5.358
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.387 0.000 0.000
y 0.000 11.296 0.000
z 0.000 0.000 7.630


<r2> (average value of r2) Å2
<r2> 235.884
(<r2>)1/2 15.358