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: BLYP/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 BLYP/3-21G
 hartrees
Energy at 0K-553.686385
Energy at 298.15K-553.696586
Nuclear repulsion energy225.732184
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 BLYP/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A1 3037 3020 43.13      
2 A1 3001 2984 30.59      
3 A1 2979 2962 1.63      
4 A1 1536 1527 5.47      
5 A1 1504 1496 0.01      
6 A1 1425 1418 6.15      
7 A1 1290 1283 12.25      
8 A1 1077 1071 0.28      
9 A1 953 948 4.43      
10 A1 610 607 0.18      
11 A1 299 297 1.13      
12 A1 124 124 0.49      
13 A2 3068 3051 0.00      
14 A2 3040 3024 0.00      
15 A2 1525 1517 0.00      
16 A2 1266 1259 0.00      
17 A2 1016 1011 0.00      
18 A2 778 774 0.00      
19 A2 238 236 0.00      
20 A2 63 62 0.00      
21 B1 3067 3050 73.67      
22 B1 3040 3023 0.26      
23 B1 1525 1516 15.58      
24 B1 1271 1264 0.43      
25 B1 1031 1025 0.28      
26 B1 796 792 13.37      
27 B1 237 236 0.12      
28 B1 37 37 0.91      
29 B2 3037 3021 5.96      
30 B2 3001 2984 0.43      
31 B2 2979 2962 45.93      
32 B2 1535 1527 1.66      
33 B2 1498 1490 10.09      
34 B2 1425 1418 4.16      
35 B2 1251 1244 68.61      
36 B2 1036 1030 9.06      
37 B2 948 942 8.28      
38 B2 591 588 7.17      
39 B2 325 323 1.81      

Unscaled Zero Point Vibrational Energy (zpe) 28728.8 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 28570.8 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 BLYP/3-21G
ABC
0.43927 0.05369 0.04967

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.598
C2 0.000 1.471 -0.660
C3 0.000 -1.471 -0.660
C4 0.000 2.798 0.130
C5 0.000 -2.798 0.130
H6 0.901 1.373 -1.284
H7 -0.901 1.373 -1.284
H8 0.901 -1.373 -1.284
H9 -0.901 -1.373 -1.284
H10 0.000 3.651 -0.571
H11 0.000 -3.651 -0.571
H12 -0.895 2.870 0.768
H13 0.895 2.870 0.768
H14 0.895 -2.870 0.768
H15 -0.895 -2.870 0.768

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.93561.93562.83712.83712.49812.49812.49812.49813.83363.83363.01133.01133.01133.0113
C21.93562.94141.54484.34131.10001.10003.04773.04772.18225.12252.19092.19094.65674.6567
C31.93562.94144.34131.54483.04773.04771.10001.10005.12252.18224.65674.65672.19092.1909
C42.83711.54484.34135.59632.20032.20034.49574.49571.10376.48711.10151.10155.77405.7740
C52.83714.34131.54485.59634.49574.49572.20032.20036.48711.10375.77405.77401.10151.1015
H62.49811.10003.04772.20034.49571.80112.74643.28432.55125.15403.11082.54054.71385.0441
H72.49811.10003.04772.20034.49571.80113.28432.74642.55125.15402.54053.11085.04414.7138
H82.49813.04771.10004.49572.20032.74643.28431.80115.15402.55125.04414.71382.54053.1108
H92.49813.04771.10004.49572.20033.28432.74641.80115.15402.55124.71385.04413.11082.5405
H103.83362.18225.12251.10376.48712.55122.55125.15405.15407.30211.78971.78976.71726.7172
H113.83365.12252.18226.48711.10375.15405.15402.55122.55127.30216.71726.71721.78971.7897
H123.01132.19094.65671.10155.77403.11082.54055.04414.71381.78976.71721.78956.01295.7405
H133.01132.19094.65671.10155.77402.54053.11084.71385.04411.78976.71721.78955.74056.0129
H143.01134.65672.19095.77401.10154.71385.04412.54053.11086.71721.78976.01295.74051.7895
H153.01134.65672.19095.77401.10155.04414.71383.11082.54056.71721.78975.74056.01291.7895

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 108.686 S1 C2 H6 107.548
S1 C2 H7 107.548 S1 C3 C5 108.686
S1 C3 H8 107.548 S1 C3 H9 107.548
C2 S1 C3 98.897 C2 C4 H10 109.840
C2 C4 H12 110.653 C2 C4 H13 110.653
C3 C5 H11 109.840 C3 C5 H14 110.653
C3 C5 H15 110.653 C4 C2 H6 111.490
C4 C2 H7 111.490 C5 C3 H8 111.490
C5 C3 H9 111.490 H6 C2 H7 109.909
H8 C3 H9 109.909 H10 C4 H12 108.499
H10 C4 H13 108.499 H11 C5 H14 108.499
H11 C5 H15 108.499 H12 C4 H13 108.637
H14 C5 H15 108.637
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.194      
2 C -0.560      
3 C -0.560      
4 C -0.526      
5 C -0.526      
6 H 0.205      
7 H 0.205      
8 H 0.205      
9 H 0.205      
10 H 0.186      
11 H 0.186      
12 H 0.196      
13 H 0.196      
14 H 0.196      
15 H 0.196      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.807 1.807
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 239.034
(<r2>)1/2 15.461