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

using model chemistry: B1B95/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 B1B95/cc-pVTZ
 hartrees
Energy at 0K-876.303894
Energy at 298.15K-876.310114
Nuclear repulsion energy203.594630
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 B1B95/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 3086 2954 0.00      
2 Ag 2727 2610 0.00      
3 Ag 1490 1426 0.00      
4 Ag 1320 1263 0.00      
5 Ag 1113 1066 0.00      
6 Ag 902 864 0.00      
7 Ag 747 715 0.00      
8 Ag 277 265 0.00      
9 Au 3158 3023 7.25      
10 Au 1120 1072 4.82      
11 Au 777 743 2.79      
12 Au 169 162 28.31      
13 Au 86 82 14.31      
14 Bg 3134 3000 0.00      
15 Bg 1296 1240 0.00      
16 Bg 965 924 0.00      
17 Bg 172 164 0.00      
18 Bu 3096 2963 23.04      
19 Bu 2728 2611 4.21      
20 Bu 1493 1429 6.26      
21 Bu 1234 1181 36.50      
22 Bu 888 850 1.43      
23 Bu 736 704 6.57      
24 Bu 192 184 6.63      

Unscaled Zero Point Vibrational Energy (zpe) 16452.7 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 15746.9 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 B1B95/cc-pVTZ
ABC
0.84661 0.05139 0.04934

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.484 0.581 0.000
C2 -0.484 -0.581 0.000
S3 0.484 -2.124 0.000
S4 -0.484 2.124 0.000
H5 -0.563 -2.961 0.000
H6 0.563 2.961 0.000
H7 -1.113 -0.548 0.885
H8 -1.113 -0.548 -0.885
H9 1.113 0.548 0.885
H10 1.113 0.548 -0.885

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.51202.70501.82103.69302.38082.14652.14651.08631.0863
C21.51201.82102.70502.38083.69301.08631.08632.14652.1465
S32.70501.82104.35661.33985.08512.41152.41152.88432.8843
S41.82102.70504.35665.08511.33982.88432.88432.41152.4115
H53.69302.38081.33985.08516.02712.62772.62773.98783.9878
H62.38083.69305.08511.33986.02713.98783.98782.62772.6277
H72.14651.08632.41152.88432.62773.98781.76962.48143.0478
H82.14651.08632.41152.88432.62773.98781.76963.04782.4814
H91.08632.14652.88432.41153.98782.62772.48143.04781.7696
H101.08632.14652.88432.41153.98782.62773.04782.48141.7696

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 108.144 C1 C2 H7 110.325
C1 C2 H8 110.325 C1 S4 H6 96.553
C2 C1 S4 108.144 C2 C1 H9 110.325
C2 C1 H10 110.325 C2 S3 H5 96.553
S3 C2 H7 109.477 S3 C2 H8 109.477
S4 C1 H9 109.477 S4 C1 H10 109.477
H7 C2 H8 109.074 H9 C1 H10 109.074
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.224      
2 C -0.224      
3 S -0.186      
4 S -0.186      
5 H 0.115      
6 H 0.115      
7 H 0.148      
8 H 0.148      
9 H 0.148      
10 H 0.148      


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 -39.626 6.448 0.000
y 6.448 -39.889 0.000
z 0.000 0.000 -42.540
Traceless
 xyz
x 1.588 6.448 0.000
y 6.448 1.194 0.000
z 0.000 0.000 -2.782
Polar
3z2-r2-5.565
x2-y20.263
xy6.448
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 8.222 -0.631 0.000
y -0.631 12.458 0.000
z 0.000 0.000 6.568


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000