return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

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

using model chemistry: HF/CEP-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 HF/CEP-31G*
 hartrees
Energy at 0K-37.708528
Energy at 298.15K-37.719329
Nuclear repulsion energy100.313469
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-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 3289 2954 111.40      
2 A1 3244 2913 77.85      
3 A1 3221 2893 16.84      
4 A1 1632 1466 1.28      
5 A1 1624 1458 2.09      
6 A1 1549 1391 0.01      
7 A1 1448 1300 17.29      
8 A1 1189 1068 0.42      
9 A1 1062 954 3.03      
10 A1 765 687 0.61      
11 A1 349 314 0.72      
12 A1 149 133 0.26      
13 A2 3310 2972 0.00      
14 A2 3286 2951 0.00      
15 A2 1621 1456 0.00      
16 A2 1369 1230 0.00      
17 A2 1124 1009 0.00      
18 A2 830 745 0.00      
19 A2 260 233 0.00      
20 A2 92 83 0.00      
21 B1 3310 2972 201.74      
22 B1 3286 2951 4.63      
23 B1 1621 1456 11.09      
24 B1 1375 1235 0.03      
25 B1 1144 1027 0.13      
26 B1 848 762 4.91      
27 B1 255 229 0.38      
28 B1 65 58 1.21      
29 B2 3289 2954 27.75      
30 B2 3241 2910 21.33      
31 B2 3221 2892 94.48      
32 B2 1630 1464 0.73      
33 B2 1619 1454 7.11      
34 B2 1544 1386 0.92      
35 B2 1413 1269 74.23      
36 B2 1134 1019 2.36      
37 B2 1058 950 1.82      
38 B2 766 688 3.99      
39 B2 358 322 1.09      

Unscaled Zero Point Vibrational Energy (zpe) 31294.2 cm-1
Scaled (by 0.898) Zero Point Vibrational Energy (zpe) 28102.2 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 HF/CEP-31G*
ABC
0.48094 0.05659 0.05262

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.655
C2 0.000 1.404 -0.514
C3 0.000 -1.404 -0.514
C4 0.000 2.734 0.261
C5 0.000 -2.734 0.261
H6 0.883 1.337 -1.149
H7 -0.883 1.337 -1.149
H8 0.883 -1.337 -1.149
H9 -0.883 -1.337 -1.149
H10 0.000 3.572 -0.439
H11 0.000 -3.572 -0.439
H12 -0.884 2.818 0.894
H13 0.884 2.818 0.894
H14 0.884 -2.818 0.894
H15 -0.884 -2.818 0.894

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.82691.82692.76232.76232.41282.41282.41282.41283.73593.73592.96262.96262.96262.9626
C21.82692.80791.53914.20981.08971.08972.94872.94872.16944.97662.18212.18214.53704.5370
C31.82692.80794.20981.53912.94872.94871.08971.08974.97662.16944.53704.53702.18212.1821
C42.76231.53914.20985.46792.17232.17234.39754.39751.09196.34481.09071.09075.65705.6570
C52.76234.20981.53915.46794.39754.39752.17232.17236.34481.09195.65705.65701.09071.0907
H62.41281.08972.94872.17234.39751.76572.67373.20412.50595.03803.08032.52314.62954.9553
H72.41281.08972.94872.17234.39751.76573.20412.67372.50595.03802.52313.08034.95534.6295
H82.41282.94871.08974.39752.17232.67373.20411.76575.03802.50594.95534.62952.52313.0803
H92.41282.94871.08974.39752.17233.20412.67371.76575.03802.50594.62954.95533.08032.5231
H103.73592.16944.97661.09196.34482.50592.50595.03805.03807.14421.76861.76866.58686.5868
H113.73594.97662.16946.34481.09195.03805.03802.50592.50597.14426.58686.58681.76861.7686
H122.96262.18214.53701.09075.65703.08032.52314.95534.62951.76866.58681.76835.90605.6350
H132.96262.18214.53701.09075.65702.52313.08034.62954.95531.76866.58681.76835.63505.9060
H142.96264.53702.18215.65701.09074.62954.95532.52313.08036.58681.76865.90605.63501.7683
H152.96264.53702.18215.65701.09074.95534.62953.08032.52316.58681.76865.63505.90601.7683

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 110.002 S1 C2 H6 109.004
S1 C2 H7 109.004 S1 C3 C5 110.002
S1 C3 H8 109.004 S1 C3 H9 109.004
C2 S1 C3 100.437 C2 C4 H10 109.920
C2 C4 H12 111.000 C2 C4 H13 111.000
C3 C5 H11 109.920 C3 C5 H14 111.000
C3 C5 H15 111.000 C4 C2 H6 110.277
C4 C2 H7 110.277 C5 C3 H8 110.277
C5 C3 H9 110.277 H6 C2 H7 108.236
H8 C3 H9 108.236 H10 C4 H12 108.258
H10 C4 H13 108.258 H11 C5 H14 108.258
H11 C5 H15 108.258 H12 C4 H13 108.314
H14 C5 H15 108.314
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S -0.181      
2 C -0.226      
3 C -0.226      
4 C -0.271      
5 C -0.271      
6 H 0.115      
7 H 0.115      
8 H 0.115      
9 H 0.115      
10 H 0.126      
11 H 0.126      
12 H 0.116      
13 H 0.116      
14 H 0.116      
15 H 0.116      


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 -1.855 1.855
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 6.316 0.000 0.000
y 0.000 11.364 0.000
z 0.000 0.000 7.972


<r2> (average value of r2) Å2
<r2> 184.800
(<r2>)1/2 13.594