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

using model chemistry: B3LYP/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/6-31G**
 hartrees
Energy at 0K-876.204948
Energy at 298.15K-876.211029
Nuclear repulsion energy200.888266
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 B3LYP/6-31G**
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 3076 2956 0.00      
2 Ag 2679 2574 0.00      
3 Ag 1507 1448 0.00      
4 Ag 1345 1292 0.00      
5 Ag 1102 1059 0.00      
6 Ag 890 855 0.00      
7 Ag 731 702 0.00      
8 Ag 277 266 0.00      
9 Au 3149 3026 12.41      
10 Au 1137 1092 3.91      
11 Au 785 754 3.62      
12 Au 139 133 21.35      
13 Au 77 74 33.71      
14 Bg 3128 3005 0.00      
15 Bg 1308 1257 0.00      
16 Bg 976 938 0.00      
17 Bg 142 136 0.00      
18 Bu 3085 2964 26.78      
19 Bu 2679 2574 27.38      
20 Bu 1508 1449 4.66      
21 Bu 1258 1209 60.01      
22 Bu 895 860 5.33      
23 Bu 702 674 9.33      
24 Bu 201 193 8.37      

Unscaled Zero Point Vibrational Energy (zpe) 16387.7 cm-1
Scaled (by 0.9608) Zero Point Vibrational Energy (zpe) 15745.3 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 B3LYP/6-31G**
ABC
0.83505 0.04979 0.04784

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.763 0.000
C2 0.000 -0.763 0.000
S3 1.755 -1.350 0.000
S4 -1.755 1.350 0.000
H5 1.474 -2.669 0.000
H6 -1.474 2.669 0.000
H7 -0.507 -1.143 0.890
H8 -0.507 -1.143 -0.890
H9 0.507 1.143 0.890
H10 0.507 1.143 -0.890

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52512.74611.85043.73492.40992.16362.16361.09251.0925
C21.52511.85042.74612.40993.73491.09251.09252.16362.1636
S32.74611.85044.42771.34915.15522.43932.43932.92642.9264
S41.85042.74614.42775.15521.34912.92642.92642.43932.4393
H53.73492.40991.34915.15526.09812.65402.65404.03264.0326
H62.40993.73495.15521.34916.09814.03264.03262.65402.6540
H72.16361.09252.43932.92642.65404.03261.77932.50153.0698
H82.16361.09252.43932.92642.65404.03261.77933.06982.5015
H91.09252.16362.92642.43934.03262.65402.50153.06981.7793
H101.09252.16362.92642.43934.03262.65403.06982.50151.7793

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 108.503 C1 C2 H7 110.397
C1 C2 H8 110.397 C1 S4 H6 96.479
C2 C1 S4 108.503 C2 C1 H9 110.397
C2 C1 H10 110.397 C2 S3 H5 96.479
S3 C2 H7 109.242 S3 C2 H8 109.242
S4 C1 H9 109.242 S4 C1 H10 109.242
H7 C2 H8 109.039 H9 C1 H10 109.039
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.333      
2 C -0.333      
3 S -0.042      
4 S -0.042      
5 H 0.064      
6 H 0.064      
7 H 0.156      
8 H 0.156      
9 H 0.156      
10 H 0.156      


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        


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 9.253 -2.065 0.000
y -2.065 8.970 0.000
z 0.000 0.000 5.680


<r2> (average value of r2) Å2
<r2> 217.354
(<r2>)1/2 14.743