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

using model chemistry: MP2/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 MP2/CEP-121G
 hartrees
Energy at 0K-38.036069
Energy at 298.15K-38.046399
HF Energy-37.615519
Nuclear repulsion energy98.155779
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/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 3072 2999 58.25      
2 A1 2995 2923 63.05      
3 A1 2972 2901 12.14      
4 A1 1522 1485 5.51      
5 A1 1502 1466 0.91      
6 A1 1457 1422 4.19      
7 A1 1361 1328 14.70      
8 A1 1105 1079 0.68      
9 A1 1005 981 3.46      
10 A1 649 634 0.03      
11 A1 308 301 0.71      
12 A1 131 128 0.27      
13 A2 3092 3018 0.00      
14 A2 3067 2993 0.00      
15 A2 1507 1471 0.00      
16 A2 1274 1243 0.00      
17 A2 1054 1029 0.00      
18 A2 790 771 0.00      
19 A2 246 240 0.00      
20 A2 28 28 0.00      
21 B1 3091 3017 113.51      
22 B1 3065 2992 5.68      
23 B1 1507 1471 17.83      
24 B1 1279 1249 0.03      
25 B1 1077 1051 0.41      
26 B1 803 784 7.93      
27 B1 249 243 0.16      
28 B1 37 36 0.71      
29 B2 3073 2999 20.13      
30 B2 2995 2924 5.21      
31 B2 2972 2901 71.31      
32 B2 1521 1484 0.83      
33 B2 1493 1457 5.85      
34 B2 1456 1422 6.06      
35 B2 1325 1293 53.25      
36 B2 1061 1036 3.01      
37 B2 1001 977 6.52      
38 B2 653 638 2.76      
39 B2 321 313 1.47      

Unscaled Zero Point Vibrational Energy (zpe) 29059.2 cm-1
Scaled (by 0.976) Zero Point Vibrational Energy (zpe) 28361.8 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/CEP-121G
ABC
0.44405 0.05390 0.04991

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.599
C2 0.000 1.449 -0.649
C3 0.000 -1.449 -0.649
C4 0.000 2.800 0.122
C5 0.000 -2.800 0.122
H6 0.900 1.357 -1.279
H7 -0.900 1.357 -1.279
H8 0.900 -1.357 -1.279
H9 -0.900 -1.357 -1.279
H10 0.000 3.640 -0.594
H11 0.000 -3.640 -0.594
H12 -0.894 2.889 0.760
H13 0.894 2.889 0.760
H14 0.894 -2.889 0.760
H15 -0.894 -2.889 0.760

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.91271.91272.83992.83992.48582.48582.48582.48583.83023.83023.02843.02843.02843.0284
C21.91272.89821.55514.31801.10261.10263.01343.01342.19135.08912.20442.20444.64814.6481
C31.91272.89824.31801.55513.01343.01341.10261.10265.08912.19134.64814.64812.20442.2044
C42.83991.55514.31805.59902.20332.20334.47764.47761.10386.47891.10211.10215.79365.7936
C52.83994.31801.55515.59904.47764.47762.20332.20336.47891.10385.79365.79361.10211.1021
H62.48581.10263.01342.20334.47761.80072.71373.25682.54785.12303.11872.55094.71035.0404
H72.48581.10263.01342.20334.47761.80073.25682.71372.54785.12302.55093.11875.04044.7103
H82.48583.01341.10264.47762.20332.71373.25681.80075.12302.54785.04044.71032.55093.1187
H92.48583.01341.10264.47762.20333.25682.71371.80075.12302.54784.71035.04043.11872.5509
H103.83022.19135.08911.10386.47892.54782.54785.12305.12307.27941.78791.78796.72736.7273
H113.83025.08912.19136.47891.10385.12305.12302.54782.54787.27946.72736.72731.78791.7879
H123.02842.20444.64811.10215.79363.11872.55095.04044.71031.78796.72731.78786.04825.7780
H133.02842.20444.64811.10215.79362.55093.11874.71035.04041.78796.72731.78785.77806.0482
H143.02844.64812.20445.79361.10214.71035.04042.55093.11876.72731.78796.04825.77801.7878
H153.02844.64812.20445.79361.10215.04044.71033.11872.55096.72731.78795.77806.04821.7878

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 109.523 S1 C2 H6 108.024
S1 C2 H7 108.024 S1 C3 C5 109.523
S1 C3 H8 108.024 S1 C3 H9 108.024
C2 S1 C3 98.508 C2 C4 H10 109.839
C2 C4 H12 110.965 C2 C4 H13 110.965
C3 C5 H11 109.839 C3 C5 H14 110.965
C3 C5 H15 110.965 C4 C2 H6 110.848
C4 C2 H7 110.848 C5 C3 H8 110.848
C5 C3 H9 110.848 H6 C2 H7 109.485
H8 C3 H9 109.485 H10 C4 H12 108.294
H10 C4 H13 108.294 H11 C5 H14 108.294
H11 C5 H15 108.294 H12 C4 H13 108.399
H14 C5 H15 108.399
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability