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

using model chemistry: MP2/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at MP2/3-21G*
 hartrees
Energy at 0K-552.587567
Energy at 298.15K-552.598238
HF Energy-552.094682
Nuclear repulsion energy231.832468
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 MP2/3-21G*
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 3164 3010 26.40      
2 A1 3091 2941 0.88      
3 A1 3088 2937 38.29      
4 A1 1605 1527 5.03      
5 A1 1589 1512 0.02      
6 A1 1496 1424 5.23      
7 A1 1391 1324 9.40      
8 A1 1139 1084 0.12      
9 A1 989 941 4.03      
10 A1 706 671 0.03      
11 A1 341 324 0.94      
12 A1 145 138 0.36      
13 A2 3176 3021 0.00      
14 A2 3136 2984 0.00      
15 A2 1596 1519 0.00      
16 A2 1339 1274 0.00      
17 A2 1109 1055 0.00      
18 A2 830 790 0.00      
19 A2 255 243 0.00      
20 A2 90 86 0.00      
21 B1 3175 3021 42.56      
22 B1 3133 2981 15.68      
23 B1 1596 1518 15.56      
24 B1 1343 1278 0.02      
25 B1 1127 1072 0.00      
26 B1 849 807 10.89      
27 B1 252 240 0.23      
28 B1 57 54 0.97      
29 B2 3164 3010 10.44      
30 B2 3091 2941 29.57      
31 B2 3089 2939 2.95      
32 B2 1605 1527 1.37      
33 B2 1582 1505 14.54      
34 B2 1496 1424 5.04      
35 B2 1360 1294 30.39      
36 B2 1095 1041 9.56      
37 B2 979 931 0.82      
38 B2 703 669 1.02      
39 B2 355 338 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 30163.7 cm-1
Scaled (by 0.9513) Zero Point Vibrational Energy (zpe) 28694.8 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 MP2/3-21G*
ABC
0.47150 0.05673 0.05266

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.557
C2 0.000 1.393 -0.630
C3 0.000 -1.393 -0.630
C4 0.000 2.735 0.143
C5 0.000 -2.735 0.143
H6 0.890 1.325 -1.265
H7 -0.890 1.325 -1.265
H8 0.890 -1.325 -1.265
H9 -0.890 -1.325 -1.265
H10 0.000 3.572 -0.564
H11 0.000 -3.572 -0.564
H12 -0.889 2.811 0.777
H13 0.889 2.811 0.777
H14 0.889 -2.811 0.777
H15 -0.889 -2.811 0.777

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.83011.83012.76662.76662.42262.42262.42262.42263.74373.74372.95622.95622.95622.9562
C21.83012.78521.54964.19991.09541.09542.92912.92912.18044.96502.18632.18634.52084.5208
C31.83012.78524.19991.54962.92912.92911.09541.09544.96502.18044.52084.52082.18632.1863
C42.76661.54964.19995.47092.18312.18314.38884.38881.09526.34691.09411.09415.65275.6527
C52.76664.19991.54965.47094.38884.38882.18312.18316.34691.09525.65275.65271.09411.0941
H62.42261.09542.92912.18314.38881.77962.64963.19172.51675.02623.08902.52534.61214.9434
H72.42261.09542.92912.18314.38881.77963.19172.64962.51675.02622.52533.08904.94344.6121
H82.42262.92911.09544.38882.18312.64963.19171.77965.02622.51674.94344.61212.52533.0890
H92.42262.92911.09544.38882.18313.19172.64961.77965.02622.51674.61214.94343.08902.5253
H103.74372.18044.96501.09526.34692.51672.51675.02625.02627.14391.77921.77926.58236.5823
H113.74374.96502.18046.34691.09525.02625.02622.51672.51677.14396.58236.58231.77921.7792
H122.95622.18634.52081.09415.65273.08902.52534.94344.61211.77926.58231.77845.89625.6216
H132.95622.18634.52081.09415.65272.52533.08904.61214.94341.77926.58231.77845.62165.8962
H142.95624.52082.18635.65271.09414.61214.94342.52533.08906.58231.77925.89625.62161.7784
H152.95624.52082.18635.65271.09414.94344.61213.08902.52536.58231.77925.62165.89621.7784

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 109.611 S1 C2 H6 109.219
S1 C2 H7 109.219 S1 C3 C5 109.611
S1 C3 H8 109.219 S1 C3 H9 109.219
C2 S1 C3 99.096 C2 C4 H10 109.861
C2 C4 H12 110.392 C2 C4 H13 110.392
C3 C5 H11 109.861 C3 C5 H14 110.392
C3 C5 H15 110.392 C4 C2 H6 110.064
C4 C2 H7 110.064 C5 C3 H8 110.064
C5 C3 H9 110.064 H6 C2 H7 108.640
H8 C3 H9 108.640 H10 C4 H12 108.716
H10 C4 H13 108.716 H11 C5 H14 108.716
H11 C5 H15 108.716 H12 C4 H13 108.718
H14 C5 H15 108.718
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability