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

using model chemistry: HF/STO-3G

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/STO-3G
 hartrees
Energy at 0K-864.644580
Energy at 298.15K-864.651074
Nuclear repulsion energy202.726888
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/STO-3G
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 3584 2926 0.00      
2 Ag 3275 2674 0.00      
3 Ag 1834 1498 0.00      
4 Ag 1661 1356 0.00      
5 Ag 1320 1078 0.00      
6 Ag 1161 948 0.00      
7 Ag 938 766 0.00      
8 Ag 329 268 0.00      
9 Au 3708 3028 10.15      
10 Au 1357 1108 0.49      
11 Au 895 731 0.34      
12 Au 187 153 26.84      
13 Au 103 84 3.78      
14 Bg 3697 3018 0.00      
15 Bg 1547 1263 0.00      
16 Bg 1154 942 0.00      
17 Bg 204 166 0.00      
18 Bu 3586 2928 4.47      
19 Bu 3276 2675 30.29      
20 Bu 1845 1507 2.09      
21 Bu 1519 1240 56.47      
22 Bu 1159 946 18.01      
23 Bu 973 795 0.62      
24 Bu 229 187 3.99      

Unscaled Zero Point Vibrational Energy (zpe) 19770.5 cm-1
Scaled (by 0.8165) Zero Point Vibrational Energy (zpe) 16142.7 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/STO-3G
ABC
0.85350 0.05044 0.04848

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.475 0.609 0.000
C2 -0.475 -0.609 0.000
S3 0.475 -2.146 0.000
S4 -0.475 2.146 0.000
H5 -0.588 -2.946 0.000
H6 0.588 2.946 0.000
H7 -1.120 -0.559 0.876
H8 -1.120 -0.559 -0.876
H9 1.120 0.559 0.876
H10 1.120 0.559 -0.876

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.54462.75531.80653.71092.33982.16232.16231.08931.0893
C21.54461.80652.75532.33983.71091.08931.08932.16232.1623
S32.75531.80654.39591.33055.09362.41412.41412.91612.9161
S41.80652.75534.39595.09361.33052.91612.91612.41412.4141
H53.71092.33981.33055.09366.00872.59762.59763.99683.9968
H62.33983.71095.09361.33056.00873.99683.99682.59762.5976
H72.16231.08932.41412.91612.59763.99681.75302.50323.0559
H82.16231.08932.41412.91612.59763.99681.75303.05592.5032
H91.08932.16232.91612.41413.99682.59762.50323.05591.7530
H101.08932.16232.91612.41413.99682.59763.05592.50321.7530

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 110.371 C1 C2 H7 109.136
C1 C2 H8 109.136 C1 S4 H6 95.263
C2 C1 S4 110.371 C2 C1 H9 109.136
C2 C1 H10 109.136 C2 S3 H5 95.263
S3 C2 H7 110.492 S3 C2 H8 110.492
S4 C1 H9 110.492 S4 C1 H10 110.492
H7 C2 H8 107.142 H9 C1 H10 107.142
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.188      
2 C -0.188      
3 S 0.109      
4 S 0.109      
5 H -0.041      
6 H -0.041      
7 H 0.060      
8 H 0.060      
9 H 0.060      
10 H 0.060      


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
Primitive
 xyz
x -36.546 4.560 0.000
y 4.560 -35.791 0.000
z 0.000 0.000 -36.899
Traceless
 xyz
x -0.201 4.560 0.000
y 4.560 0.932 0.000
z 0.000 0.000 -0.730
Polar
3z2-r2-1.461
x2-y2-0.755
xy4.560
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.354 0.041 0.000
y 0.041 5.754 0.000
z 0.000 0.000 1.762


<r2> (average value of r2) Å2
<r2> 211.884
(<r2>)1/2 14.556