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

using model chemistry: BLYP/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 BLYP/STO-3G
 hartrees
Energy at 0K-866.272878
Energy at 298.15K-866.278690
Nuclear repulsion energy197.834131
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/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 3187 2948 0.00      
2 Ag 2834 2622 0.00      
3 Ag 1627 1506 0.00      
4 Ag 1417 1311 0.00      
5 Ag 1148 1062 0.00      
6 Ag 978 905 0.00      
7 Ag 810 750 0.00      
8 Ag 283 261 0.00      
9 Au 3303 3056 21.51      
10 Au 1186 1097 0.01      
11 Au 800 740 1.98      
12 Au 104 97 5.34      
13 Au 73 68 17.53      
14 Bg 3285 3039 0.00      
15 Bg 1361 1259 0.00      
16 Bg 1012 936 0.00      
17 Bg 119 110 0.00      
18 Bu 3195 2956 13.80      
19 Bu 2835 2623 67.53      
20 Bu 1642 1519 2.12      
21 Bu 1322 1223 45.55      
22 Bu 1004 929 9.03      
23 Bu 812 752 0.74      
24 Bu 198 183 3.12      

Unscaled Zero Point Vibrational Energy (zpe) 17268.2 cm-1
Scaled (by 0.9252) Zero Point Vibrational Energy (zpe) 15976.6 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/STO-3G
ABC
0.80762 0.04817 0.04627

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.488 0.616 0.000
C2 -0.488 -0.616 0.000
S3 0.488 -2.198 0.000
S4 -0.488 2.198 0.000
H5 -0.638 -2.990 0.000
H6 0.638 2.990 0.000
H7 -1.146 -0.562 0.897
H8 -1.146 -0.562 -0.897
H9 1.146 0.562 0.897
H10 1.146 0.562 -0.897

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.57232.81421.85853.77762.37802.20572.20571.11431.1143
C21.57231.85852.81422.37803.77761.11431.11432.20572.2057
S32.81421.85854.50271.37635.18962.48052.48052.97572.9757
S41.85852.81424.50275.18961.37632.97572.97572.48052.4805
H53.77762.37801.37635.18966.11372.63772.63774.07454.0745
H62.37803.77765.18961.37636.11374.07454.07452.63772.6377
H72.20571.11432.48052.97572.63774.07451.79482.55353.1211
H82.20571.11432.48052.97572.63774.07451.79483.12112.5535
H91.11432.20572.97572.48054.07452.63772.55353.12111.7948
H101.11432.20572.97572.48054.07452.63773.12112.55351.7948

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 109.941 C1 C2 H7 109.179
C1 C2 H8 109.179 C1 S4 H6 93.434
C2 C1 S4 109.941 C2 C1 H9 109.179
C2 C1 H10 109.179 C2 S3 H5 93.434
S3 C2 H7 110.601 S3 C2 H8 110.601
S4 C1 H9 110.601 S4 C1 H10 110.601
H7 C2 H8 107.284 H9 C1 H10 107.284
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.209      
2 C -0.209      
3 S 0.094      
4 S 0.094      
5 H -0.027      
6 H -0.027      
7 H 0.071      
8 H 0.071      
9 H 0.071      
10 H 0.071      


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 -35.737 3.928 0.000
y 3.928 -34.980 0.000
z 0.000 0.000 -36.787
Traceless
 xyz
x 0.146 3.928 0.000
y 3.928 1.282 0.000
z 0.000 0.000 -1.428
Polar
3z2-r2-2.856
x2-y2-0.758
xy3.928
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.687 -0.012 0.000
y -0.012 6.189 0.000
z 0.000 0.000 1.829


<r2> (average value of r2) Å2
<r2> 220.426
(<r2>)1/2 14.847