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: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-556.656372
Energy at 298.15K-556.666845
Nuclear repulsion energy231.858904
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/6-31G**
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 3120 2998 39.56      
2 A1 3050 2931 1.16      
3 A1 3044 2925 58.38      
4 A1 1520 1460 2.87      
5 A1 1507 1448 0.76      
6 A1 1428 1372 1.05      
7 A1 1326 1274 11.81      
8 A1 1105 1061 0.10      
9 A1 998 959 3.09      
10 A1 689 662 0.06      
11 A1 327 314 0.92      
12 A1 137 132 0.29      
13 A2 3131 3009 0.00      
14 A2 3092 2970 0.00      
15 A2 1508 1449 0.00      
16 A2 1270 1220 0.00      
17 A2 1039 999 0.00      
18 A2 789 758 0.00      
19 A2 249 239 0.00      
20 A2 79 76 0.00      
21 B1 3131 3008 59.37      
22 B1 3088 2967 22.13      
23 B1 1507 1448 12.93      
24 B1 1275 1225 0.02      
25 B1 1062 1020 0.05      
26 B1 805 774 8.57      
27 B1 245 236 0.23      
28 B1 53 51 0.82      
29 B2 3120 2998 11.34      
30 B2 3050 2930 49.91      
31 B2 3045 2925 1.88      
32 B2 1519 1460 0.38      
33 B2 1499 1440 9.27      
34 B2 1426 1370 1.79      
35 B2 1288 1238 58.27      
36 B2 1055 1013 4.36      
37 B2 995 956 4.64      
38 B2 685 658 1.97      
39 B2 335 322 1.11      

Unscaled Zero Point Vibrational Energy (zpe) 29295.5 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 28147.1 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/6-31G**
ABC
0.47506 0.05654 0.05252

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.563
C2 0.000 1.405 -0.622
C3 0.000 -1.405 -0.622
C4 0.000 2.734 0.132
C5 0.000 -2.734 0.132
H6 0.886 1.327 -1.261
H7 -0.886 1.327 -1.261
H8 0.886 -1.327 -1.261
H9 -0.886 -1.327 -1.261
H10 0.000 3.569 -0.576
H11 0.000 -3.569 -0.576
H12 -0.886 2.829 0.768
H13 0.886 2.829 0.768
H14 0.886 -2.829 0.768
H15 -0.886 -2.829 0.768

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.83771.83772.76762.76762.42312.42312.42312.42313.74623.74622.97162.97162.97162.9716
C21.83772.81061.52764.20731.09551.09552.94252.94252.16434.97462.17752.17754.54364.5436
C31.83772.81064.20731.52762.94252.94251.09551.09554.97462.16434.54364.54362.17752.1775
C42.76761.52764.20735.46792.16942.16944.38374.38371.09496.34271.09411.09415.66885.6688
C52.76764.20731.52765.46794.38374.38372.16942.16946.34271.09495.66885.66881.09411.0941
H62.42311.09552.94252.16944.38371.77192.65373.19092.50645.02243.08402.52444.62474.9524
H72.42311.09552.94252.16944.38371.77193.19092.65372.50645.02242.52443.08404.95244.6247
H82.42312.94251.09554.38372.16942.65373.19091.77195.02242.50644.95244.62472.52443.0840
H92.42312.94251.09554.38372.16943.19092.65371.77195.02242.50644.62474.95243.08402.5244
H103.74622.16434.97461.09496.34272.50642.50645.02245.02247.13821.77111.77116.59746.5974
H113.74624.97462.16436.34271.09495.02245.02242.50642.50647.13826.59746.59741.77111.7711
H122.97162.17754.54361.09415.66883.08402.52444.95244.62471.77116.59741.77115.92895.6582
H132.97162.17754.54361.09415.66882.52443.08404.62474.95241.77116.59741.77115.65825.9289
H142.97164.54362.17755.66881.09414.62474.95242.52443.08406.59741.77115.92895.65821.7711
H152.97164.54362.17755.66881.09414.95244.62473.08402.52446.59741.77115.65825.92891.7711

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 110.314 S1 C2 H6 108.751
S1 C2 H7 108.751 S1 C3 C5 110.314
S1 C3 H8 108.751 S1 C3 H9 108.751
C2 S1 C3 99.763 C2 C4 H10 110.139
C2 C4 H12 111.238 C2 C4 H13 111.238
C3 C5 H11 110.139 C3 C5 H14 111.238
C3 C5 H15 111.238 C4 C2 H6 110.508
C4 C2 H7 110.508 C5 C3 H8 110.508
C5 C3 H9 110.508 H6 C2 H7 107.944
H8 C3 H9 107.944 H10 C4 H12 108.015
H10 C4 H13 108.015 H11 C5 H14 108.015
H11 C5 H15 108.015 H12 C4 H13 108.073
H14 C5 H15 108.073
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.077      
2 C -0.317      
3 C -0.317      
4 C -0.329      
5 C -0.329      
6 H 0.125      
7 H 0.125      
8 H 0.125      
9 H 0.125      
10 H 0.110      
11 H 0.110      
12 H 0.124      
13 H 0.124      
14 H 0.124      
15 H 0.124      


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 -1.677 1.677
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 7.257 0.000 0.000
y 0.000 11.968 0.000
z 0.000 0.000 8.189


<r2> (average value of r2) Å2
<r2> 228.123
(<r2>)1/2 15.104