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

using model chemistry: BLYP/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at BLYP/6-31G(2df,p)
 hartrees
Energy at 0K-876.113815
Energy at 298.15K-876.119681
Nuclear repulsion energy199.498138
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 BLYP/6-31G(2df,p)
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 2988 2971 0.00      
2 Ag 2591 2577 0.00      
3 Ag 1448 1440 0.00      
4 Ag 1273 1266 0.00      
5 Ag 1059 1053 0.00      
6 Ag 845 840 0.00      
7 Ag 699 695 0.00      
8 Ag 263 262 0.00      
9 Au 3057 3041 11.06      
10 Au 1081 1075 3.33      
11 Au 758 754 2.73      
12 Au 123 122 10.68      
13 Au 59 59 31.81      
14 Bg 3034 3017 0.00      
15 Bg 1258 1252 0.00      
16 Bg 932 927 0.00      
17 Bg 124 123 0.00      
18 Bu 2997 2981 24.31      
19 Bu 2591 2577 11.82      
20 Bu 1455 1447 2.78      
21 Bu 1201 1194 56.34      
22 Bu 856 852 2.41      
23 Bu 662 659 9.44      
24 Bu 191 190 6.66      

Unscaled Zero Point Vibrational Energy (zpe) 15772.4 cm-1
Scaled (by 0.9945) Zero Point Vibrational Energy (zpe) 15685.7 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 BLYP/6-31G(2df,p)
ABC
0.82255 0.04910 0.04717

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/6-31G(2df,p)

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.491 0.589 0.000
C2 -0.491 -0.589 0.000
S3 0.491 -2.175 0.000
S4 -0.491 2.175 0.000
H5 -0.578 -3.010 0.000
H6 0.578 3.010 0.000
H7 -1.127 -0.564 0.896
H8 -1.127 -0.564 -0.896
H9 1.127 0.564 0.896
H10 1.127 0.564 -0.896

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.53492.76421.86523.75532.42232.18002.18001.09881.0988
C21.53491.86522.76422.42233.75531.09881.09882.18002.1800
S32.76421.86524.45921.35725.18572.45312.45312.95062.9506
S41.86522.76424.45925.18571.35722.95062.95062.45312.4531
H53.75532.42231.35725.18576.13052.66252.66254.06014.0601
H62.42233.75535.18571.35726.13054.06014.06012.66252.6625
H72.18001.09882.45312.95062.66254.06011.79142.52083.0925
H82.18001.09882.45312.95062.66254.06011.79143.09252.5208
H91.09882.18002.95062.45314.06012.66252.52083.09251.7914
H101.09882.18002.95062.45314.06012.66253.09252.52081.7914

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 108.388 C1 C2 H7 110.646
C1 C2 H8 110.646 C1 S4 H6 96.195
C2 C1 S4 108.388 C2 C1 H9 110.646
C2 C1 H10 110.646 C2 S3 H5 96.195
S3 C2 H7 108.956 S3 C2 H8 108.956
S4 C1 H9 108.956 S4 C1 H10 108.956
H7 C2 H8 109.210 H9 C1 H10 109.210
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.150      
2 C -0.150      
3 S -0.264      
4 S -0.264      
5 H 0.149      
6 H 0.149      
7 H 0.132      
8 H 0.132      
9 H 0.132      
10 H 0.132      


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 -39.535 6.784 0.000
y 6.784 -40.323 0.000
z 0.000 0.000 -42.788
Traceless
 xyz
x 2.020 6.784 0.000
y 6.784 0.839 0.000
z 0.000 0.000 -2.859
Polar
3z2-r2-5.719
x2-y20.788
xy6.784
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.731 -0.663 0.000
y -0.663 12.153 0.000
z 0.000 0.000 6.645


<r2> (average value of r2) Å2
<r2> 220.030
(<r2>)1/2 14.833