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

using model chemistry: HF/Def2TZVPP

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/Def2TZVPP
 hartrees
Energy at 0K-874.339891
Energy at 298.15K-874.346329
HF Energy-874.339891
Nuclear repulsion energy203.231404
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/Def2TZVPP
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 3208 2908 0.00      
2 Ag 2858 2591 0.00      
3 Ag 1617 1466 0.00      
4 Ag 1462 1325 0.00      
5 Ag 1173 1063 0.00      
6 Ag 972 881 0.00      
7 Ag 788 714 0.00      
8 Ag 301 273 0.00      
9 Au 3275 2968 13.61      
10 Au 1220 1106 4.38      
11 Au 832 754 2.05      
12 Au 171 155 29.47      
13 Au 90 81 20.27      
14 Bg 3251 2947 0.00      
15 Bg 1408 1276 0.00      
16 Bg 1053 955 0.00      
17 Bg 180 163 0.00      
18 Bu 3216 2915 33.65      
19 Bu 2858 2591 7.08      
20 Bu 1619 1468 6.91      
21 Bu 1360 1233 54.14      
22 Bu 973 882 3.51      
23 Bu 774 702 11.04      
24 Bu 217 197 7.36      

Unscaled Zero Point Vibrational Energy (zpe) 17437.5 cm-1
Scaled (by 0.9064) Zero Point Vibrational Energy (zpe) 15805.3 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 HF/Def2TZVPP
ABC
0.85655 0.05087 0.04888

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/Def2TZVPP

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.481 0.589 0.000
C2 -0.481 -0.589 0.000
S3 0.481 -2.135 0.000
S4 -0.481 2.135 0.000
H5 -0.540 -2.981 0.000
H6 0.540 2.981 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
C11.52152.72401.82103.71302.39222.14942.14941.07961.0796
C21.52151.82102.72402.39223.71301.07961.07962.14942.1494
S32.72401.82104.37691.32635.11582.40322.40322.90372.9037
S41.82102.72404.37695.11581.32632.90372.90372.40322.4032
H53.71302.39221.32635.11586.05832.63612.63614.00384.0038
H62.39223.71305.11581.32636.05834.00384.00382.63612.6361
H72.14941.07962.40322.90372.63614.00381.75732.48353.0424
H82.14941.07962.40322.90372.63614.00381.75733.04242.4835
H91.07962.14942.90372.40324.00382.63612.48353.04241.7573
H101.07962.14942.90372.40324.00382.63613.04242.48351.7573

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 108.839 C1 C2 H7 110.298
C1 C2 H8 110.298 C1 S4 H6 97.700
C2 C1 S4 108.839 C2 C1 H9 110.298
C2 C1 H10 110.298 C2 S3 H5 97.700
S3 C2 H7 109.213 S3 C2 H8 109.213
S4 C1 H9 109.213 S4 C1 H10 109.213
H7 C2 H8 108.959 H9 C1 H10 108.959
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/Def2TZVPP Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.088      
2 C -0.088      
3 S -0.136      
4 S -0.136      
5 H 0.063      
6 H 0.063      
7 H 0.081      
8 H 0.081      
9 H 0.081      
10 H 0.081      


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 -40.402 7.033 0.000
y 7.033 -40.677 0.000
z 0.000 0.000 -43.195
Traceless
 xyz
x 1.535 7.033 0.000
y 7.033 1.121 0.000
z 0.000 0.000 -2.656
Polar
3z2-r2-5.312
x2-y20.276
xy7.033
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.979 -0.737 0.000
y -0.737 11.981 0.000
z 0.000 0.000 6.623


<r2> (average value of r2) Å2
<r2> 213.687
(<r2>)1/2 14.618