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/6-311G*

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/6-311G*
 hartrees
Energy at 0K-555.740168
Energy at 298.15K-555.750845
HF Energy-554.855090
Nuclear repulsion energy234.106311
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/6-311G*
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 3174 3006 29.51      
2 A1 3087 2923 0.48      
3 A1 3083 2919 60.44      
4 A1 1544 1462 6.77      
5 A1 1530 1449 0.23      
6 A1 1453 1376 3.53      
7 A1 1370 1298 16.71      
8 A1 1130 1070 0.43      
9 A1 1032 977 3.25      
10 A1 733 694 0.00      
11 A1 343 324 1.02      
12 A1 146 138 0.23      
13 A2 3184 3016 0.00      
14 A2 3142 2976 0.00      
15 A2 1534 1453 0.00      
16 A2 1297 1228 0.00      
17 A2 1078 1021 0.00      
18 A2 806 763 0.00      
19 A2 268 254 0.00      
20 A2 74 70 0.00      
21 B1 3183 3015 45.24      
22 B1 3137 2971 21.33      
23 B1 1533 1452 22.25      
24 B1 1305 1236 0.31      
25 B1 1103 1045 1.77      
26 B1 826 782 13.12      
27 B1 264 250 0.19      
28 B1 58 55 0.97      
29 B2 3174 3006 11.81      
30 B2 3086 2923 41.56      
31 B2 3084 2921 2.69      
32 B2 1543 1461 0.96      
33 B2 1521 1441 9.09      
34 B2 1451 1374 9.31      
35 B2 1334 1264 32.17      
36 B2 1082 1025 3.76      
37 B2 1026 972 4.90      
38 B2 734 695 0.50      
39 B2 348 330 0.81      

Unscaled Zero Point Vibrational Energy (zpe) 29899.4 cm-1
Scaled (by 0.9471) Zero Point Vibrational Energy (zpe) 28317.7 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/6-311G*
ABC
0.47952 0.05800 0.05383

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/6-311G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.558
C2 0.000 1.377 -0.619
C3 0.000 -1.377 -0.619
C4 0.000 2.702 0.133
C5 0.000 -2.702 0.133
H6 0.886 1.305 -1.256
H7 -0.886 1.305 -1.256
H8 0.886 -1.305 -1.256
H9 -0.886 -1.305 -1.256
H10 0.000 3.537 -0.572
H11 0.000 -3.537 -0.572
H12 -0.884 2.794 0.767
H13 0.884 2.794 0.767
H14 0.884 -2.794 0.767
H15 -0.884 -2.794 0.767

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.81131.81132.73542.73542.40372.40372.40372.40373.71293.71292.93802.93802.93802.9380
C21.81132.75461.52324.14821.09381.09382.89612.89612.16004.91432.16972.16974.48334.4833
C31.81132.75464.14821.52322.89612.89611.09381.09384.91432.16004.48334.48332.16972.1697
C42.73541.52324.14825.40442.15992.15994.33284.33281.09256.27871.09171.09175.60295.6029
C52.73544.14821.52325.40444.33284.33282.15992.15996.27871.09255.60295.60291.09171.0917
H62.40371.09382.89612.15994.33281.77252.61043.15532.49654.96963.07252.51114.57094.9018
H72.40371.09382.89612.15994.33281.77253.15532.61042.49654.96962.51113.07254.90184.5709
H82.40372.89611.09384.33282.15992.61043.15531.77254.96962.49654.90184.57092.51113.0725
H92.40372.89611.09384.33282.15993.15532.61041.77254.96962.49654.57094.90183.07252.5111
H103.71292.16004.91431.09256.27872.49652.49654.96964.96967.07351.76801.76806.53096.5309
H113.71294.91432.16006.27871.09254.96964.96962.49652.49657.07356.53096.53091.76801.7680
H122.93802.16974.48331.09175.60293.07252.51114.90184.57091.76806.53091.76855.86125.5880
H132.93802.16974.48331.09175.60292.51113.07254.57094.90181.76806.53091.76855.58805.8612
H142.93804.48332.16975.60291.09174.57094.90182.51113.07256.53091.76805.86125.58801.7685
H152.93804.48332.16975.60291.09174.90184.57093.07252.51116.53091.76805.58805.86121.7685

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 109.935 S1 C2 H6 109.157
S1 C2 H7 109.157 S1 C3 C5 109.935
S1 C3 H8 109.157 S1 C3 H9 109.157
C2 S1 C3 98.996 C2 C4 H10 110.243
C2 C4 H12 111.069 C2 C4 H13 111.069
C3 C5 H11 110.243 C3 C5 H14 111.069
C3 C5 H15 111.069 C4 C2 H6 110.161
C4 C2 H7 110.161 C5 C3 H8 110.161
C5 C3 H9 110.161 H6 C2 H7 108.236
H8 C3 H9 108.236 H10 C4 H12 108.079
H10 C4 H13 108.079 H11 C5 H14 108.079
H11 C5 H15 108.079 H12 C4 H13 108.192
H14 C5 H15 108.192
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability