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

using model chemistry: MP2/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 MP2/CEP-31G
 hartrees
Energy at 0K-37.981417
Energy at 298.15K-37.991749
HF Energy-37.601431
Nuclear repulsion energy97.676563
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-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 3133 3027 80.00      
2 A1 3054 2951 79.98      
3 A1 3035 2933 11.48      
4 A1 1523 1472 7.32      
5 A1 1504 1454 0.06      
6 A1 1457 1408 4.41      
7 A1 1364 1318 16.69      
8 A1 1110 1073 0.14      
9 A1 1012 978 3.81      
10 A1 654 632 0.00      
11 A1 311 301 0.88      
12 A1 130 126 0.44      
13 A2 3152 3046 0.00      
14 A2 3128 3022 0.00      
15 A2 1509 1458 0.00      
16 A2 1280 1237 0.00      
17 A2 1057 1021 0.00      
18 A2 806 779 0.00      
19 A2 241 233 0.00      
20 A2 46 44 0.00      
21 B1 3152 3045 167.68      
22 B1 3126 3020 13.97      
23 B1 1509 1458 16.23      
24 B1 1286 1243 0.40      
25 B1 1078 1042 0.53      
26 B1 820 792 15.02      
27 B1 244 236 0.20      
28 B1 43 42 0.95      
29 B2 3133 3027 23.34      
30 B2 3054 2952 10.02      
31 B2 3035 2933 85.73      
32 B2 1523 1471 0.98      
33 B2 1495 1445 5.06      
34 B2 1456 1407 6.06      
35 B2 1328 1283 51.62      
36 B2 1067 1031 5.16      
37 B2 1007 973 6.28      
38 B2 655 633 2.53      
39 B2 326 315 1.43      

Unscaled Zero Point Vibrational Energy (zpe) 29420.1 cm-1
Scaled (by 0.9663) Zero Point Vibrational Energy (zpe) 28428.6 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-31G
ABC
0.44040 0.05352 0.04957

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/CEP-31G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.599
C2 0.000 1.451 -0.651
C3 0.000 -1.451 -0.651
C4 0.000 2.810 0.125
C5 0.000 -2.810 0.125
H6 0.906 1.362 -1.289
H7 -0.906 1.362 -1.289
H8 0.906 -1.362 -1.289
H9 -0.906 -1.362 -1.289
H10 0.000 3.656 -0.598
H11 0.000 -3.656 -0.598
H12 -0.900 2.901 0.768
H13 0.900 2.901 0.768
H14 0.900 -2.901 0.768
H15 -0.900 -2.901 0.768

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.91501.91502.85012.85012.49812.49812.49812.49813.84723.84723.04243.04243.04243.0424
C21.91502.90101.56534.33081.11121.11123.02273.02272.20645.10702.22022.22024.66514.6651
C31.91502.90104.33081.56533.02273.02271.11121.11125.10702.20644.66514.66512.22022.2202
C42.85011.56534.33085.62052.21712.21714.49724.49721.11236.50671.11021.11025.81795.8179
C52.85014.33081.56535.62054.49724.49722.21712.21716.50671.11235.81795.81791.11021.1102
H62.49811.11123.02272.21714.49721.81112.72383.27102.56165.14583.14032.56944.73375.0663
H72.49811.11123.02272.21714.49721.81113.27102.72382.56165.14582.56943.14035.06634.7337
H82.49813.02271.11124.49722.21712.72383.27101.81115.14582.56165.06634.73372.56943.1403
H92.49813.02271.11124.49722.21713.27102.72381.81115.14582.56164.73375.06633.14032.5694
H103.84722.20645.10701.11236.50672.56162.56165.14585.14587.31251.80151.80156.75866.7586
H113.84725.10702.20646.50671.11235.14585.14582.56162.56167.31256.75866.75861.80151.8015
H123.04242.22024.66511.11025.81793.14032.56945.06634.73371.80156.75861.79986.07555.8028
H133.04242.22024.66511.11025.81792.56943.14034.73375.06631.80156.75861.79985.80286.0755
H143.04244.66512.22025.81791.11024.73375.06632.56943.14036.75861.80156.07555.80281.7998
H153.04244.66512.22025.81791.11025.06634.73373.14032.56946.75861.80155.80286.07551.7998

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 109.544 S1 C2 H6 108.326
S1 C2 H7 108.326 S1 C3 C5 109.544
S1 C3 H8 108.326 S1 C3 H9 108.326
C2 S1 C3 98.479 C2 C4 H10 109.817
C2 C4 H12 111.012 C2 C4 H13 111.012
C3 C5 H11 109.817 C3 C5 H14 111.012
C3 C5 H15 111.012 C4 C2 H6 110.710
C4 C2 H7 110.710 C5 C3 H8 110.710
C5 C3 H9 110.710 H6 C2 H7 109.158
H8 C3 H9 109.158 H10 C4 H12 108.304
H10 C4 H13 108.304 H11 C5 H14 108.304
H11 C5 H15 108.304 H12 C4 H13 108.303
H14 C5 H15 108.303
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability