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/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 MP2=FULL/6-31G*
 hartrees
Energy at 0K-555.484865
Energy at 298.15K-555.495548
HF Energy-554.804902
Nuclear repulsion energy233.965499
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/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 3202 3017 25.56      
2 A1 3114 2934 1.68      
3 A1 3108 2928 48.23      
4 A1 1569 1478 3.82      
5 A1 1559 1469 1.03      
6 A1 1475 1390 1.77      
7 A1 1383 1303 12.43      
8 A1 1143 1077 0.27      
9 A1 1042 982 2.96      
10 A1 739 696 0.00      
11 A1 344 324 0.92      
12 A1 148 139 0.27      
13 A2 3212 3026 0.00      
14 A2 3166 2983 0.00      
15 A2 1558 1468 0.00      
16 A2 1313 1237 0.00      
17 A2 1090 1027 0.00      
18 A2 816 769 0.00      
19 A2 264 249 0.00      
20 A2 80 75 0.00      
21 B1 3211 3026 37.80      
22 B1 3161 2979 20.95      
23 B1 1557 1467 15.92      
24 B1 1319 1243 0.00      
25 B1 1114 1050 0.17      
26 B1 833 785 9.00      
27 B1 260 245 0.25      
28 B1 57 54 0.85      
29 B2 3202 3017 10.47      
30 B2 3114 2934 35.19      
31 B2 3110 2930 2.52      
32 B2 1568 1477 0.42      
33 B2 1550 1461 12.10      
34 B2 1472 1387 5.82      
35 B2 1350 1272 37.01      
36 B2 1095 1032 4.70      
37 B2 1038 978 3.82      
38 B2 742 699 0.51      
39 B2 350 329 1.01      

Unscaled Zero Point Vibrational Energy (zpe) 30212.6 cm-1
Scaled (by 0.9422) Zero Point Vibrational Energy (zpe) 28466.3 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/6-31G*
ABC
0.47965 0.05789 0.05374

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.448
C2 0.000 1.394 -0.624
C3 0.000 -1.394 -0.624
C4 0.000 2.664 0.225
C5 0.000 -2.664 0.225
H6 0.864 1.378 -1.236
H7 -0.864 1.378 -1.236
H8 0.864 -1.378 -1.236
H9 -0.864 -1.378 -1.236
H10 0.000 3.514 -0.412
H11 0.000 -3.514 -0.412
H12 -0.867 2.684 0.846
H13 0.867 2.684 0.846
H14 0.867 -2.684 0.846
H15 -0.867 -2.684 0.846

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.75831.75832.67332.67332.34112.34112.34112.34113.61753.61752.84822.84822.84822.8482
C21.75832.78761.52804.14571.05921.05922.96702.96702.13074.91222.13902.13904.42014.4201
C31.75832.78764.14571.52802.96702.96701.05921.05924.91222.13074.42014.42012.13902.1390
C42.67331.52804.14575.32802.13012.13014.38394.38391.06216.21061.06621.06625.45305.4530
C52.67334.14571.52805.32804.38394.38392.13012.13016.21061.06215.45305.45301.06621.0662
H62.34111.05922.96702.13014.38391.72872.75553.25282.44745.03533.00602.45734.56384.8812
H72.34111.05922.96702.13014.38391.72873.25282.75552.44745.03532.45733.00604.88124.5638
H82.34112.96701.05924.38392.13012.75553.25281.72875.03532.44744.88124.56382.45733.0060
H92.34112.96701.05924.38392.13013.25282.75551.72875.03532.44744.56384.88123.00602.4573
H103.61752.13074.91221.06216.21062.44742.44745.03535.03537.02771.73821.73826.38306.3830
H113.61754.91222.13076.21061.06215.03535.03532.44742.44747.02776.38306.38301.73821.7382
H122.84822.13904.42011.06625.45303.00602.45734.88124.56381.73826.38301.73415.64075.3675
H132.84822.13904.42011.06625.45302.45733.00604.56384.88121.73826.38301.73415.36755.6407
H142.84824.42012.13905.45301.06624.56384.88122.45733.00606.38301.73825.64075.36751.7341
H152.84824.42012.13905.45301.06624.88124.56383.00602.45736.38301.73825.36755.64071.7341

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 108.669 S1 C2 H6 109.892
S1 C2 H7 109.892 S1 C3 C5 108.669
S1 C3 H8 109.892 S1 C3 H9 109.892
C2 S1 C3 104.875 C2 C4 H10 109.381
C2 C4 H12 109.798 C2 C4 H13 109.798
C3 C5 H11 109.381 C3 C5 H14 109.798
C3 C5 H15 109.798 C4 C2 H6 109.498
C4 C2 H7 109.498 C5 C3 H8 109.498
C5 C3 H9 109.498 H6 C2 H7 109.376
H8 C3 H9 109.376 H10 C4 H12 109.513
H10 C4 H13 109.513 H11 C5 H14 109.513
H11 C5 H15 109.513 H12 C4 H13 108.823
H14 C5 H15 108.823
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability