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

using model chemistry: B3PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B3PW91/cc-pVDZ
 hartrees
Energy at 0K-876.112052
Energy at 298.15K-876.118176
Nuclear repulsion energy201.524193
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 B3PW91/cc-pVDZ
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 3066 2959 0.00      
2 Ag 2688 2594 0.00      
3 Ag 1467 1416 0.00      
4 Ag 1308 1262 0.00      
5 Ag 1110 1072 0.00      
6 Ag 895 864 0.00      
7 Ag 741 715 0.00      
8 Ag 278 269 0.00      
9 Au 3144 3034 9.95      
10 Au 1108 1070 4.75      
11 Au 778 751 3.76      
12 Au 145 140 26.24      
13 Au 81 78 24.33      
14 Bg 3121 3012 0.00      
15 Bg 1283 1238 0.00      
16 Bg 952 919 0.00      
17 Bg 151 146 0.00      
18 Bu 3073 2965 24.26      
19 Bu 2688 2594 9.15      
20 Bu 1463 1412 4.65      
21 Bu 1219 1176 40.47      
22 Bu 886 855 1.58      
23 Bu 721 696 8.09      
24 Bu 198 191 6.96      

Unscaled Zero Point Vibrational Energy (zpe) 16282.4 cm-1
Scaled (by 0.965) Zero Point Vibrational Energy (zpe) 15712.6 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 B3PW91/cc-pVDZ
ABC
0.83362 0.05030 0.04832

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVDZ

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.760 0.000
C2 0.000 -0.760 0.000
S3 1.744 -1.344 0.000
S4 -1.744 1.344 0.000
H5 1.457 -2.670 0.000
H6 -1.457 2.670 0.000
H7 -0.513 -1.143 0.895
H8 -0.513 -1.143 -0.895
H9 0.513 1.143 0.895
H10 0.513 1.143 -0.895

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52022.73321.83933.72682.40222.16492.16491.10051.1005
C21.52021.83932.73322.40223.72681.10051.10052.16492.1649
S32.73321.83934.40411.35655.13442.43632.43632.91622.9162
S41.83932.73324.40415.13441.35652.91622.91622.43632.4363
H53.72682.40221.35655.13446.08352.64832.64834.02904.0290
H62.40223.72685.13441.35656.08354.02904.02902.64832.6483
H72.16491.10052.43632.91622.64834.02901.79022.50593.0797
H82.16491.10052.43632.91622.64834.02901.79023.07972.5059
H91.10052.16492.91622.43634.02902.64832.50593.07971.7902
H101.10052.16492.91622.43634.02902.64833.07972.50591.7902

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 108.524 C1 C2 H7 110.367
C1 C2 H8 110.367 C1 S4 H6 96.300
C2 C1 S4 108.524 C2 C1 H9 110.367
C2 C1 H10 110.367 C2 S3 H5 96.300
S3 C2 H7 109.357 S3 C2 H8 109.357
S4 C1 H9 109.357 S4 C1 H10 109.357
H7 C2 H8 108.851 H9 C1 H10 108.851
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.164      
2 C -0.164      
3 S -0.113      
4 S -0.113      
5 H 0.097      
6 H 0.097      
7 H 0.090      
8 H 0.090      
9 H 0.090      
10 H 0.090      


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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 215.243
(<r2>)1/2 14.671