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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-875.804674
Energy at 298.15K-875.810618
Nuclear repulsion energy201.495873
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 PBEPBE/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 2987 2966 0.00      
2 Ag 2619 2600 0.00      
3 Ag 1438 1428 0.00      
4 Ag 1266 1257 0.00      
5 Ag 1072 1065 0.00      
6 Ag 859 853 0.00      
7 Ag 718 713 0.00      
8 Ag 268 266 0.00      
9 Au 3055 3034 7.58      
10 Au 1080 1072 4.98      
11 Au 758 753 3.38      
12 Au 131 130 13.71      
13 Au 66 65 26.31      
14 Bg 3030 3010 0.00      
15 Bg 1252 1243 0.00      
16 Bg 932 925 0.00      
17 Bg 128 127 0.00      
18 Bu 2997 2976 23.44      
19 Bu 2619 2601 5.33      
20 Bu 1442 1432 5.58      
21 Bu 1190 1182 34.11      
22 Bu 854 848 1.08      
23 Bu 694 690 6.32      
24 Bu 189 188 6.42      

Unscaled Zero Point Vibrational Energy (zpe) 15820.3 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 15711.2 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 PBEPBE/cc-pVTZ
ABC
0.83007 0.05033 0.04833

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

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.488 0.584 0.000
C2 -0.488 -0.584 0.000
S3 0.488 -2.147 0.000
S4 -0.488 2.147 0.000
H5 -0.576 -2.986 0.000
H6 0.576 2.986 0.000
H7 -1.124 -0.552 0.894
H8 -1.124 -0.552 -0.894
H9 1.124 0.552 0.894
H10 1.124 0.552 -0.894

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52252.73091.84233.72562.40352.16562.16561.09771.0977
C21.52251.84232.73092.40353.72561.09771.09772.16562.1656
S32.73091.84234.40291.35555.13352.43732.43732.91342.9134
S41.84232.73094.40295.13351.35552.91342.91342.43732.4373
H53.72562.40351.35555.13356.08242.65012.65014.02624.0262
H62.40353.72565.13351.35556.08244.02624.02622.65012.6501
H72.16561.09772.43732.91342.65014.02621.78832.50473.0776
H82.16561.09772.43732.91342.65014.02621.78833.07762.5047
H91.09772.16562.91342.43734.02622.65012.50473.07761.7883
H101.09772.16562.91342.43734.02622.65013.07762.50471.7883

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 108.129 C1 C2 H7 110.431
C1 C2 H8 110.431 C1 S4 H6 96.267
C2 C1 S4 108.129 C2 C1 H9 110.431
C2 C1 H10 110.431 C2 S3 H5 96.267
S3 C2 H7 109.369 S3 C2 H8 109.369
S4 C1 H9 109.369 S4 C1 H10 109.369
H7 C2 H8 109.091 H9 C1 H10 109.091
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.167      
2 C -0.167      
3 S -0.161      
4 S -0.161      
5 H 0.092      
6 H 0.092      
7 H 0.118      
8 H 0.118      
9 H 0.118      
10 H 0.118      


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 -39.895 6.406 0.000
y 6.406 -40.231 0.000
z 0.000 0.000 -42.949
Traceless
 xyz
x 1.695 6.406 0.000
y 6.406 1.191 0.000
z 0.000 0.000 -2.886
Polar
3z2-r2-5.773
x2-y20.336
xy6.406
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.532 -0.618 0.000
y -0.618 13.089 0.000
z 0.000 0.000 6.786


<r2> (average value of r2) Å2
<r2> 215.633
(<r2>)1/2 14.684