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

using model chemistry: B2PLYP/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B2PLYP/6-31G*
 hartrees
Energy at 0K-875.758515
Energy at 298.15K-875.764669
HF Energy-875.591295
Nuclear repulsion energy201.903745
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 B2PLYP/6-31G*
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 3113 2955 0.00      
2 Ag 2734 2595 0.00      
3 Ag 1543 1464 0.00      
4 Ag 1383 1313 0.00      
5 Ag 1124 1067 0.00      
6 Ag 915 868 0.00      
7 Ag 753 715 0.00      
8 Ag 284 270 0.00      
9 Au 3184 3023 11.85      
10 Au 1165 1106 4.60      
11 Au 801 761 3.42      
12 Au 143 136 22.21      
13 Au 78 74 36.66      
14 Bg 3164 3003 0.00      
15 Bg 1335 1267 0.00      
16 Bg 1006 955 0.00      
17 Bg 147 140 0.00      
18 Bu 3121 2962 26.71      
19 Bu 2734 2596 37.34      
20 Bu 1545 1466 5.56      
21 Bu 1289 1224 61.93      
22 Bu 912 866 6.01      
23 Bu 732 694 7.42      
24 Bu 204 194 8.58      

Unscaled Zero Point Vibrational Energy (zpe) 16704.8 cm-1
Scaled (by 0.9492) Zero Point Vibrational Energy (zpe) 15856.2 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 B2PLYP/6-31G*
ABC
0.83785 0.05040 0.04841

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.473 0.595 0.000
C2 -0.473 -0.595 0.000
S3 0.473 -1.967 0.000
S4 -0.473 1.967 0.000
H5 -0.325 -2.652 0.000
H6 0.325 2.652 0.000
H7 -1.114 -0.537 0.889
H8 -1.114 -0.537 -0.889
H9 1.114 0.537 0.889
H10 1.114 0.537 -0.889

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52092.56251.66683.34412.06222.14262.14261.09741.0974
C21.52091.66682.56252.06223.34411.09741.09742.14262.1426
S32.56251.66684.04671.05194.62182.31442.31442.73312.7331
S41.66682.56254.04674.62181.05192.73312.73312.31442.3144
H53.34412.06221.05194.62185.34402.42662.42663.60963.6096
H62.06223.34414.62181.05195.34403.60963.60962.42662.4266
H72.14261.09742.31442.73312.42663.60961.77802.47303.0458
H82.14261.09742.31442.73312.42663.60961.77803.04582.4730
H91.09742.14262.73312.31443.60962.42662.47303.04581.7780
H101.09742.14262.73312.31443.60962.42663.04582.47301.7780

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 106.912 C1 C2 H7 108.756
C1 C2 H8 108.756 C1 S4 H6 96.027
C2 C1 S4 106.912 C2 C1 H9 108.756
C2 C1 H10 108.756 C2 S3 H5 96.027
S3 C2 H7 112.059 S3 C2 H8 112.059
S4 C1 H9 112.059 S4 C1 H10 112.059
H7 C2 H8 108.205 H9 C1 H10 108.205
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.439      
2 C -0.439      
3 S -0.066      
4 S -0.066      
5 H 0.098      
6 H 0.098      
7 H 0.203      
8 H 0.203      
9 H 0.203      
10 H 0.203      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.957 -0.494 0.000
y -0.494 10.700 0.000
z 0.000 0.000 5.577


<r2> (average value of r2) Å2
<r2> 215.352
(<r2>)1/2 14.675