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All results from a given calculation for CH2SHCH2SH (1,2-Ethanedithiol)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-874.299407
Energy at 298.15K-874.305874
Nuclear repulsion energy202.615000
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 HF/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 Ag 3234 2925 0.00      
2 Ag 2830 2559 0.00      
3 Ag 1633 1477 0.00      
4 Ag 1487 1345 0.00      
5 Ag 1183 1070 0.00      
6 Ag 978 884 0.00      
7 Ag 788 713 0.00      
8 Ag 303 274 0.00      
9 Au 3302 2986 23.00      
10 Au 1246 1127 9.63      
11 Au 841 760 5.44      
12 Au 170 154 41.26      
13 Au 96 87 25.69      
14 Bg 3278 2965 0.00      
15 Bg 1427 1291 0.00      
16 Bg 1069 967 0.00      
17 Bg 184 167 0.00      
18 Bu 3241 2931 44.73      
19 Bu 2830 2560 24.95      
20 Bu 1635 1478 5.95      
21 Bu 1384 1251 95.53      
22 Bu 980 886 8.21      
23 Bu 773 699 14.05      
24 Bu 218 197 8.54      

Unscaled Zero Point Vibrational Energy (zpe) 17554.4 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 15876.2 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 HF/6-311G*
ABC
0.85332 0.05052 0.04855

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.761 0.000
C2 0.000 -0.761 0.000
S3 1.730 -1.353 0.000
S4 -1.730 1.353 0.000
H5 1.463 -2.658 0.000
H6 -1.463 2.658 0.000
H7 -0.504 -1.137 0.879
H8 -0.504 -1.137 -0.879
H9 0.504 1.137 0.879
H10 0.504 1.137 -0.879

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52242.73211.82863.71882.39532.15132.15131.08051.0805
C21.52241.82862.73212.39533.71881.08051.08052.15132.1513
S32.73211.82864.39301.33155.12682.41032.41032.91152.9115
S41.82862.73214.39305.12681.33152.91152.91152.41032.4103
H53.71882.39531.33155.12686.06762.63722.63724.01124.0112
H62.39533.71885.12681.33156.06764.01124.01122.63722.6372
H72.15131.08052.41032.91152.63724.01121.75852.48623.0453
H82.15131.08052.41032.91152.63724.01121.75853.04532.4862
H91.08052.15132.91152.41034.01122.63722.48623.04531.7585
H101.08052.15132.91152.41034.01122.63723.04532.48621.7585

picture of 1,2-Ethanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 108.891 C1 C2 H7 110.325
C1 C2 H8 110.325 C1 S4 H6 97.323
C2 C1 S4 108.891 C2 C1 H9 110.325
C2 C1 H10 110.325 C2 S3 H5 97.323
S3 C2 H7 109.177 S3 C2 H8 109.177
S4 C1 H9 109.177 S4 C1 H10 109.177
H7 C2 H8 108.924 H9 C1 H10 108.924
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.556 0.029   -0.161
2 C -0.556 0.029   -0.188
3 S -0.103 -0.390   -0.362
4 S -0.103 -0.390   -0.362
5 H 0.143 0.204   0.212
6 H 0.143 0.204   0.206
7 H 0.258 0.078   0.166
8 H 0.258 0.078   0.166
9 H 0.258 0.078   0.162
10 H 0.258 0.078   0.162


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 0.000 0.000
CHELPG        
AIM        
ESP 0.016 -0.022 0.000 0.028


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 9.502 -1.994 0.000
y -1.994 8.938 0.000
z 0.000 0.000 5.369


<r2> (average value of r2) Å2
<r2> 215.347
(<r2>)1/2 14.675