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

using model chemistry: B3LYP/LANL2DZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3LYP/LANL2DZ
 hartrees
Energy at 0K-99.994794
Energy at 298.15K-100.000745
Nuclear repulsion energy89.819361
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 B3LYP/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Ag 3103 2983 0.00      
2 Ag 2504 2407 0.00      
3 Ag 1511 1452 0.00      
4 Ag 1346 1294 0.00      
5 Ag 1109 1066 0.00      
6 Ag 860 827 0.00      
7 Ag 697 670 0.00      
8 Ag 267 257 0.00      
9 Au 3195 3071 32.10      
10 Au 1143 1099 2.57      
11 Au 804 773 10.54      
12 Au 124 119 29.74      
13 Au 81 78 47.72      
14 Bg 3169 3046 0.00      
15 Bg 1312 1261 0.00      
16 Bg 979 941 0.00      
17 Bg 119 114 0.00      
18 Bu 3111 2990 30.16      
19 Bu 2504 2407 69.50      
20 Bu 1510 1451 8.67      
21 Bu 1284 1235 46.93      
22 Bu 860 827 4.60      
23 Bu 655 630 15.97      
24 Bu 196 188 10.54      

Unscaled Zero Point Vibrational Energy (zpe) 16221.0 cm-1
Scaled (by 0.9612) Zero Point Vibrational Energy (zpe) 15591.6 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 B3LYP/LANL2DZ
ABC
0.81305 0.04755 0.04571

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/LANL2DZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.765 0.000
C2 0.000 -0.765 0.000
S3 1.822 -1.350 0.000
S4 -1.822 1.350 0.000
H5 1.552 -2.702 0.000
H6 -1.552 2.702 0.000
H7 -0.488 -1.158 0.895
H8 -0.488 -1.158 -0.895
H9 0.488 1.158 0.895
H10 0.488 1.158 -0.895

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52922.79111.91393.79882.48312.17642.17641.09301.0930
C21.52921.91392.79112.48313.79881.09301.09302.17642.1764
S32.79111.91394.53521.37955.27342.48522.48522.97822.9782
S41.91392.79114.53525.27341.37952.97822.97822.48522.4852
H53.79882.48311.37955.27346.23332.71132.71134.10354.1035
H62.48313.79885.27341.37956.23334.10354.10352.71132.7113
H72.17641.09302.48522.97822.71134.10351.79052.51373.0861
H82.17641.09302.48522.97822.71134.10351.79053.08612.5137
H91.09302.17642.97822.48524.10352.71132.51373.08611.7905
H101.09302.17642.97822.48524.10352.71133.08612.51371.7905

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 107.799 C1 C2 H7 111.103
C1 C2 H8 111.103 C1 S4 H6 96.522
C2 C1 S4 107.799 C2 C1 H9 111.103
C2 C1 H10 111.103 C2 S3 H5 96.522
S3 C2 H7 108.375 S3 C2 H8 108.375
S4 C1 H9 108.375 S4 C1 H10 108.375
H7 C2 H8 109.980 H9 C1 H10 109.980
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/LANL2DZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.559      
2 C -0.559      
3 S -0.043      
4 S -0.043      
5 H 0.085      
6 H 0.085      
7 H 0.258      
8 H 0.258      
9 H 0.258      
10 H 0.258      


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


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 10.001 -2.383 0.000
y -2.383 9.078 0.000
z 0.000 0.000 3.591


<r2> (average value of r2) Å2
<r2> 122.628
(<r2>)1/2 11.074