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

using model chemistry: B3PW91/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/3-21G
 hartrees
Energy at 0K-553.723989
Energy at 298.15K-553.734417
Nuclear repulsion energy228.951263
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 B3PW91/3-21G
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 3131 3010 28.43      
2 A1 3085 2965 29.20      
3 A1 3061 2942 2.11      
4 A1 1563 1502 8.42      
5 A1 1533 1474 1.29      
6 A1 1459 1403 9.38      
7 A1 1335 1283 11.95      
8 A1 1115 1072 0.43      
9 A1 1003 964 5.74      
10 A1 658 632 0.04      
11 A1 318 306 1.32      
12 A1 129 124 0.47      
13 A2 3159 3036 0.00      
14 A2 3132 3010 0.00      
15 A2 1555 1494 0.00      
16 A2 1300 1250 0.00      
17 A2 1054 1013 0.00      
18 A2 801 770 0.00      
19 A2 248 238 0.00      
20 A2 67 65 0.00      
21 B1 3157 3034 52.34      
22 B1 3131 3009 0.02      
23 B1 1554 1494 22.29      
24 B1 1307 1256 0.45      
25 B1 1069 1028 0.69      
26 B1 820 789 16.98      
27 B1 248 238 0.16      
28 B1 43 41 1.08      
29 B2 3132 3010 7.45      
30 B2 3085 2965 0.43      
31 B2 3060 2942 36.64      
32 B2 1562 1502 3.10      
33 B2 1526 1467 12.47      
34 B2 1459 1403 13.38      
35 B2 1294 1243 45.77      
36 B2 1072 1030 10.96      
37 B2 998 959 9.19      
38 B2 648 622 4.82      
39 B2 339 326 1.99      

Unscaled Zero Point Vibrational Energy (zpe) 29602.9 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 28454.3 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 B3PW91/3-21G
ABC
0.45277 0.05539 0.05127

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/3-21G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.581
C2 0.000 1.443 -0.650
C3 0.000 -1.443 -0.650
C4 0.000 2.755 0.136
C5 0.000 -2.755 0.136
H6 0.895 1.354 -1.274
H7 -0.895 1.354 -1.274
H8 0.895 -1.354 -1.274
H9 -0.895 -1.354 -1.274
H10 0.000 3.607 -0.556
H11 0.000 -3.607 -0.556
H12 -0.889 2.824 0.771
H13 0.889 2.824 0.771
H14 0.889 -2.824 0.771
H15 -0.889 -2.824 0.771

Atom - Atom Distances (Å)
  S1 C2 C3 C4 C5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15
S11.89631.89632.79122.79122.46402.46402.46402.46403.78173.78172.96732.96732.96732.9673
C21.89632.88571.52984.27121.09431.09433.00163.00162.16615.05062.17262.17264.58494.5849
C31.89632.88574.27121.52983.00163.00161.09431.09435.05062.16614.58494.58492.17262.1726
C42.79121.52984.27125.51092.17992.17994.43534.43531.09706.39981.09531.09535.68605.6860
C52.79124.27121.52985.51094.43534.43532.17992.17996.39981.09705.68605.68601.09531.0953
H62.46401.09433.00162.17994.43531.78942.70733.24522.52835.09143.08682.51914.65184.9821
H72.46401.09433.00162.17994.43531.78943.24522.70732.52835.09142.51913.08684.98214.6518
H82.46403.00161.09434.43532.17992.70733.24521.78945.09142.52834.98214.65182.51913.0868
H92.46403.00161.09434.43532.17993.24522.70731.78945.09142.52834.65184.98213.08682.5191
H103.78172.16615.05061.09706.39982.52832.52835.09145.09147.21371.77911.77916.62686.6268
H113.78175.05062.16616.39981.09705.09145.09142.52832.52837.21376.62686.62681.77911.7791
H122.96732.17264.58491.09535.68603.08682.51914.98214.65181.77916.62681.77875.92235.6489
H132.96732.17264.58491.09535.68602.51913.08684.65184.98211.77916.62681.77875.64895.9223
H142.96734.58492.17265.68601.09534.65184.98212.51913.08686.62681.77915.92235.64891.7787
H152.96734.58492.17265.68601.09534.98214.65183.08682.51916.62681.77915.64895.92231.7787

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 108.637 S1 C2 H6 107.929
S1 C2 H7 107.929 S1 C3 C5 108.637
S1 C3 H8 107.929 S1 C3 H9 107.929
C2 S1 C3 99.078 C2 C4 H10 110.003
C2 C4 H12 110.616 C2 C4 H13 110.616
C3 C5 H11 110.003 C3 C5 H14 110.616
C3 C5 H15 110.616 C4 C2 H6 111.264
C4 C2 H7 111.264 C5 C3 H8 111.264
C5 C3 H9 111.264 H6 C2 H7 109.695
H8 C3 H9 109.695 H10 C4 H12 108.488
H10 C4 H13 108.488 H11 C5 H14 108.488
H11 C5 H15 108.488 H12 C4 H13 108.568
H14 C5 H15 108.568
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.250      
2 C -0.671      
3 C -0.671      
4 C -0.625      
5 C -0.625      
6 H 0.244      
7 H 0.244      
8 H 0.244      
9 H 0.244      
10 H 0.222      
11 H 0.222      
12 H 0.231      
13 H 0.231      
14 H 0.231      
15 H 0.231      


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 -1.878 1.878
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> 232.524
(<r2>)1/2 15.249