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

using model chemistry: LSDA/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 LSDA/STO-3G
 hartrees
Energy at 0K-863.838832
Energy at 298.15K-863.844808
Nuclear repulsion energy201.944619
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 LSDA/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 A 3398 3043 5.51      
2 A 3281 2938 0.01      
3 A 2936 2629 0.06      
4 A 1632 1461 0.00      
5 A 1430 1281 0.00      
6 A 1197 1072 0.05      
7 A 1190 1065 0.01      
8 A 1026 918 0.02      
9 A 847 759 0.06      
10 A 819 733 4.19      
11 A 294 263 0.01      
12 A 123 110 22.32      
13 A 85 76 16.10      
14 B 3381 3027 0.01      
15 B 3289 2945 4.89      
16 B 2937 2630 36.44      
17 B 1647 1475 4.98      
18 B 1370 1227 0.05      
19 B 1328 1189 22.59      
20 B 1033 925 0.23      
21 B 1009 904 6.02      
22 B 873 782 1.12      
23 B 198 178 5.20      
24 B 142 127 0.02      

Unscaled Zero Point Vibrational Energy (zpe) 17731.2 cm-1
Scaled (by 0.8955) Zero Point Vibrational Energy (zpe) 15878.3 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 LSDA/STO-3G
ABC
0.82660 0.05060 0.04856

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

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.482 0.600 0.003
C2 -0.482 -0.600 0.003
S3 0.482 -2.142 -0.005
S4 -0.482 2.142 -0.005
H5 -0.625 -2.938 0.054
H6 0.625 2.938 0.054
H7 -1.131 -0.542 0.897
H8 -1.139 -0.535 -0.885
H9 1.131 0.542 0.897
H10 1.139 0.535 -0.885

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.53992.74281.81863.70782.34242.16902.16961.10601.1064
C21.53991.81862.74282.34243.70781.10601.10642.16902.1696
S32.74281.81864.39191.36455.08272.44462.44652.90492.8942
S41.81862.74284.39195.08271.36452.90492.89422.44462.4465
H53.70782.34241.36455.08276.00732.58992.63033.98754.0073
H62.34243.70785.08271.36456.00733.98754.00732.58992.6303
H72.16901.10602.44462.90492.58993.98751.78162.50743.0801
H82.16961.10642.44652.89422.63034.00731.78163.08012.5179
H91.10602.16902.90492.44463.98752.58992.50743.08011.7816
H101.10642.16962.89422.44654.00732.63033.08012.51791.7816

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 109.227 C1 C2 H7 109.011
C1 C2 H8 109.034 C1 S4 H6 93.672
C2 C1 S4 109.227 C2 C1 H9 109.011
C2 C1 H10 109.034 C2 S3 H5 93.672
S3 C2 H7 111.061 S3 C2 H8 111.182
S4 C1 H9 111.061 S4 C1 H10 111.182
H7 C2 H8 107.269 H9 C1 H10 107.269
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at LSDA/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.253      
2 C -0.253      
3 S 0.055      
4 S 0.055      
5 H 0.007      
6 H 0.007      
7 H 0.096      
8 H 0.095      
9 H 0.096      
10 H 0.095      


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 0.083 0.083
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -35.474 4.916 0.000
y 4.916 -34.418 0.000
z 0.000 0.000 -36.433
Traceless
 xyz
x -0.049 4.916 0.000
y 4.916 1.536 0.000
z 0.000 0.000 -1.487
Polar
3z2-r2-2.974
x2-y2-1.057
xy4.916
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.484 0.022 0.000
y 0.022 5.637 0.000
z 0.000 0.000 1.748


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000