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: MP2=FULL/cc-pVTZ

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=FULL/cc-pVTZ
 hartrees
Energy at 0K-555.887461
Energy at 298.15K-555.898110
HF Energy-554.898407
Nuclear repulsion energy235.394694
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=FULL/cc-pVTZ
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 3171 3010 23.03      
2 A1 3097 2940 5.12      
3 A1 3092 2936 45.07      
4 A1 1530 1452 4.37      
5 A1 1511 1434 0.01      
6 A1 1422 1350 3.31      
7 A1 1324 1257 5.48      
8 A1 1120 1063 0.40      
9 A1 1025 973 2.86      
10 A1 726 689 0.00      
11 A1 337 320 0.57      
12 A1 138 131 0.20      
13 A2 3177 3016 0.00      
14 A2 3133 2974 0.00      
15 A2 1521 1444 0.00      
16 A2 1279 1215 0.00      
17 A2 1049 996 0.00      
18 A2 789 749 0.00      
19 A2 265 251 0.00      
20 A2 82 78 0.00      
21 B1 3176 3015 34.19      
22 B1 3126 2968 15.59      
23 B1 1520 1444 17.38      
24 B1 1284 1219 0.00      
25 B1 1071 1017 0.05      
26 B1 808 767 5.97      
27 B1 261 248 0.29      
28 B1 61 58 0.74      
29 B2 3171 3011 10.54      
30 B2 3097 2941 23.28      
31 B2 3095 2938 17.98      
32 B2 1529 1452 0.77      
33 B2 1502 1426 7.44      
34 B2 1420 1348 3.96      
35 B2 1292 1226 36.11      
36 B2 1073 1019 1.78      
37 B2 1019 968 4.95      
38 B2 733 696 0.48      
39 B2 338 321 0.84      

Unscaled Zero Point Vibrational Energy (zpe) 29682.0 cm-1
Scaled (by 0.9494) Zero Point Vibrational Energy (zpe) 28180.1 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 MP2=FULL/cc-pVTZ
ABC
0.48281 0.05872 0.05446

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.451
C2 0.000 1.390 -0.627
C3 0.000 -1.390 -0.627
C4 0.000 2.654 0.225
C5 0.000 -2.654 0.225
H6 0.864 1.374 -1.238
H7 -0.864 1.374 -1.238
H8 0.864 -1.374 -1.238
H9 -0.864 -1.374 -1.238
H10 0.000 3.506 -0.408
H11 0.000 -3.506 -0.408
H12 -0.866 2.669 0.844
H13 0.866 2.669 0.844
H14 0.866 -2.669 0.844
H15 -0.866 -2.669 0.844

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.75911.75912.66362.66362.34292.34292.34292.34293.60983.60982.83402.83402.83402.8340
C21.75912.78071.52384.13301.05901.05902.96052.96052.12704.90142.13342.13344.40424.4042
C31.75912.78074.13301.52382.96052.96051.05901.05904.90142.12704.40424.40422.13342.1334
C42.66361.52384.13305.30802.12732.12734.37214.37211.06146.19251.06531.06535.42905.4290
C52.66364.13301.52385.30804.37214.37212.12732.12736.19251.06145.42905.42901.06531.0653
H62.34291.05902.96052.12734.37211.72892.74873.24722.44565.02553.00182.45254.54864.8668
H72.34291.05902.96052.12734.37211.72893.24722.74872.44565.02552.45253.00184.86684.5486
H82.34292.96051.05904.37212.12732.74873.24721.72895.02552.44564.86684.54862.45253.0018
H92.34292.96051.05904.37212.12733.24722.74871.72895.02552.44564.54864.86683.00182.4525
H103.60982.12704.90141.06146.19252.44562.44565.02555.02557.01221.73771.73776.36066.3606
H113.60984.90142.12706.19251.06145.02555.02552.44562.44567.01226.36066.36061.73771.7377
H122.83402.13344.40421.06535.42903.00182.45254.86684.54861.73776.36061.73295.61315.3389
H132.83402.13344.40421.06535.42902.45253.00184.54864.86681.73776.36061.73295.33895.6131
H142.83404.40422.13345.42901.06534.54864.86682.45253.00186.36061.73775.61315.33891.7329
H152.83404.40422.13345.42901.06534.86684.54863.00182.45256.36061.73775.33895.61311.7329

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 108.246 S1 C2 H6 109.986
S1 C2 H7 109.986 S1 C3 C5 108.246
S1 C3 H8 109.986 S1 C3 H9 109.986
C2 S1 C3 104.444 C2 C4 H10 109.424
C2 C4 H12 109.699 C2 C4 H13 109.699
C3 C5 H11 109.424 C3 C5 H14 109.699
C3 C5 H15 109.699 C4 C2 H6 109.588
C4 C2 H7 109.588 C5 C3 H8 109.588
C5 C3 H9 109.588 H6 C2 H7 109.429
H8 C3 H9 109.429 H10 C4 H12 109.580
H10 C4 H13 109.580 H11 C5 H14 109.580
H11 C5 H15 109.580 H12 C4 H13 108.844
H14 C5 H15 108.844
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability