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

using model chemistry: HF/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-874.350214
Energy at 298.15K-874.356633
Nuclear repulsion energy202.879877
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/aug-cc-pVTZ
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 3207 2919 0.00      
2 Ag 2853 2598 0.00      
3 Ag 1617 1472 0.00      
4 Ag 1461 1330 0.00      
5 Ag 1171 1066 0.00      
6 Ag 968 881 0.00      
7 Ag 784 714 0.00      
8 Ag 300 273 0.00      
9 Au 3273 2980 8.93      
10 Au 1220 1111 3.27      
11 Au 831 757 2.19      
12 Au 165 150 24.24      
13 Au 89 81 21.37      
14 Bg 3249 2958 0.00      
15 Bg 1408 1282 0.00      
16 Bg 1053 958 0.00      
17 Bg 171 156 0.00      
18 Bu 3214 2926 30.53      
19 Bu 2853 2598 4.59      
20 Bu 1619 1474 7.39      
21 Bu 1360 1238 55.30      
22 Bu 967 880 3.40      
23 Bu 771 702 12.72      
24 Bu 216 196 7.38      

Unscaled Zero Point Vibrational Energy (zpe) 17409.3 cm-1
Scaled (by 0.9104) Zero Point Vibrational Energy (zpe) 15849.4 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/aug-cc-pVTZ
ABC
0.85582 0.05066 0.04869

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/aug-cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.482 0.589 0.000
C2 -0.482 -0.589 0.000
S3 0.482 -2.140 0.000
S4 -0.482 2.140 0.000
H5 -0.543 -2.987 0.000
H6 0.543 2.987 0.000
H7 -1.108 -0.561 0.879
H8 -1.108 -0.561 -0.879
H9 1.108 0.561 0.879
H10 1.108 0.561 -0.879

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52122.72831.82583.71902.39862.14972.14971.07951.0795
C21.52121.82582.72832.39863.71901.07951.07952.14972.1497
S32.72831.82584.38631.32905.12652.40662.40662.90822.9082
S41.82582.72834.38635.12651.32902.90822.90822.40662.4066
H53.71902.39861.32905.12656.07082.64112.64114.01024.0102
H62.39863.71905.12651.32906.07084.01024.01022.64112.6411
H72.14971.07952.40662.90822.64114.01021.75732.48423.0430
H82.14971.07952.40662.90822.64114.01021.75733.04302.4842
H91.07952.14972.90822.40664.01022.64112.48423.04301.7573
H101.07952.14972.90822.40664.01022.64113.04302.48421.7573

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 108.864 C1 C2 H7 110.348
C1 C2 H8 110.348 C1 S4 H6 97.742
C2 C1 S4 108.864 C2 C1 H9 110.348
C2 C1 H10 110.348 C2 S3 H5 97.742
S3 C2 H7 109.148 S3 C2 H8 109.148
S4 C1 H9 109.148 S4 C1 H10 109.148
H7 C2 H8 108.962 H9 C1 H10 108.962
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.395      
2 C -0.395      
3 S -0.298      
4 S -0.298      
5 H 0.093      
6 H 0.093      
7 H 0.300      
8 H 0.300      
9 H 0.300      
10 H 0.300      


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 -40.486 7.032 0.000
y 7.032 -41.043 0.000
z 0.000 0.000 -43.501
Traceless
 xyz
x 1.786 7.032 0.000
y 7.032 0.951 0.000
z 0.000 0.000 -2.737
Polar
3z2-r2-5.474
x2-y20.557
xy7.032
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.780 -0.744 0.000
y -0.744 12.785 0.000
z 0.000 0.000 8.300


<r2> (average value of r2) Å2
<r2> 214.577
(<r2>)1/2 14.648