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

using model chemistry: HF/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HF/CEP-121G*
 hartrees
Energy at 0K-37.722160
Energy at 298.15K-37.732983
Nuclear repulsion energy100.507760
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 HF/CEP-121G*
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 3255 2941 92.34      
2 A1 3208 2898 65.70      
3 A1 3186 2878 15.25      
4 A1 1636 1478 1.33      
5 A1 1627 1470 1.77      
6 A1 1550 1400 0.18      
7 A1 1450 1310 15.36      
8 A1 1187 1073 0.54      
9 A1 1056 954 3.21      
10 A1 761 687 0.80      
11 A1 350 316 0.68      
12 A1 150 136 0.17      
13 A2 3274 2957 0.00      
14 A2 3248 2934 0.00      
15 A2 1625 1468 0.00      
16 A2 1371 1238 0.00      
17 A2 1127 1018 0.00      
18 A2 835 755 0.00      
19 A2 260 235 0.00      
20 A2 88 80 0.00      
21 B1 3273 2957 147.30      
22 B1 3248 2934 6.24      
23 B1 1625 1468 13.50      
24 B1 1378 1245 0.27      
25 B1 1149 1038 0.17      
26 B1 854 771 3.45      
27 B1 256 231 0.31      
28 B1 64 57 0.97      
29 B2 3255 2941 26.93      
30 B2 3205 2895 13.20      
31 B2 3186 2878 82.17      
32 B2 1634 1476 0.25      
33 B2 1621 1465 8.11      
34 B2 1545 1396 1.36      
35 B2 1414 1278 69.38      
36 B2 1132 1023 1.78      
37 B2 1052 950 1.92      
38 B2 761 687 4.01      
39 B2 359 324 1.03      

Unscaled Zero Point Vibrational Energy (zpe) 31125.7 cm-1
Scaled (by 0.9034) Zero Point Vibrational Energy (zpe) 28119.0 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 HF/CEP-121G*
ABC
0.48291 0.05664 0.05267

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.661
C2 0.000 1.403 -0.509
C3 0.000 -1.403 -0.509
C4 0.000 2.733 0.254
C5 0.000 -2.733 0.254
H6 0.879 1.332 -1.142
H7 -0.879 1.332 -1.142
H8 0.879 -1.332 -1.142
H9 -0.879 -1.332 -1.142
H10 0.000 3.563 -0.448
H11 0.000 -3.563 -0.448
H12 -0.880 2.823 0.884
H13 0.880 2.823 0.884
H14 0.880 -2.823 0.884
H15 -0.880 -2.823 0.884

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.82681.82682.76332.76332.40872.40872.40872.40873.73213.73212.96582.96582.96582.9658
C21.82682.80521.53384.20551.08591.08592.94162.94162.16154.96622.17582.17584.53594.5359
C31.82682.80524.20551.53382.94162.94161.08591.08594.96622.16154.53594.53592.17582.1758
C42.76331.53384.20555.46632.16472.16474.38754.38751.08746.33551.08611.08615.66105.6610
C52.76334.20551.53385.46634.38754.38752.16472.16476.33551.08745.66105.66101.08611.0861
H62.40871.08592.94162.16474.38751.75812.66443.19222.49645.02193.07012.51614.62354.9468
H72.40871.08592.94162.16474.38751.75813.19222.66442.49645.02192.51613.07014.94684.6235
H82.40872.94161.08594.38752.16472.66443.19221.75815.02192.49644.94684.62352.51613.0701
H92.40872.94161.08594.38752.16473.19222.66441.75815.02192.49644.62354.94683.07012.5161
H103.73212.16154.96621.08746.33552.49642.49645.02195.02197.12651.75991.75996.58336.5833
H113.73214.96622.16156.33551.08745.02195.02192.49642.49647.12656.58336.58331.75991.7599
H122.96582.17584.53591.08615.66103.07012.51614.94684.62351.75996.58331.76025.91495.6469
H132.96582.17584.53591.08615.66102.51613.07014.62354.94681.75996.58331.76025.64695.9149
H142.96584.53592.17585.66101.08614.62354.94682.51613.07016.58331.75995.91495.64691.7602
H152.96584.53592.17585.66101.08614.94684.62353.07012.51616.58331.75995.64695.91491.7602

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 110.325 S1 C2 H6 108.908
S1 C2 H7 108.908 S1 C3 C5 110.325
S1 C3 H8 108.908 S1 C3 H9 108.908
C2 S1 C3 100.315 C2 C4 H10 109.929
C2 C4 H12 111.142 C2 C4 H13 111.142
C3 C5 H11 109.929 C3 C5 H14 111.142
C3 C5 H15 111.142 C4 C2 H6 110.273
C4 C2 H7 110.273 C5 C3 H8 110.273
C5 C3 H9 110.273 H6 C2 H7 108.101
H8 C3 H9 108.101 H10 C4 H12 108.134
H10 C4 H13 108.134 H11 C5 H14 108.134
H11 C5 H15 108.134 H12 C4 H13 108.255
H14 C5 H15 108.255
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.070      
2 C -0.293      
3 C -0.293      
4 C -0.514      
5 C -0.514      
6 H 0.166      
7 H 0.166      
8 H 0.166      
9 H 0.166      
10 H 0.169      
11 H 0.169      
12 H 0.171      
13 H 0.171      
14 H 0.171      
15 H 0.171      


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 -1.830 1.830
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.670 0.000 0.000
y 0.000 11.963 0.000
z 0.000 0.000 8.626


<r2> (average value of r2) Å2
<r2> 184.702
(<r2>)1/2 13.590