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

using model chemistry: B3LYP/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-35.129038
Energy at 298.15K-35.134952
Nuclear repulsion energy64.219716
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/CEP-121G
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 3047 2970 0.00      
2 Ag 2478 2415 0.00      
3 Ag 1504 1465 0.00      
4 Ag 1331 1297 0.00      
5 Ag 1095 1067 0.00      
6 Ag 844 823 0.00      
7 Ag 685 668 0.00      
8 Ag 263 256 0.00      
9 Au 3140 3060 22.75      
10 Au 1124 1095 4.70      
11 Au 792 772 6.29      
12 Au 116 113 17.09      
13 Au 78 76 50.78      
14 Bg 3114 3034 0.00      
15 Bg 1300 1267 0.00      
16 Bg 968 944 0.00      
17 Bg 110 107 0.00      
18 Bu 3053 2975 35.66      
19 Bu 2479 2416 67.41      
20 Bu 1507 1469 6.25      
21 Bu 1260 1228 73.85      
22 Bu 835 813 5.31      
23 Bu 654 637 19.46      
24 Bu 188 183 10.77      

Unscaled Zero Point Vibrational Energy (zpe) 15981.6 cm-1
Scaled (by 0.9745) Zero Point Vibrational Energy (zpe) 15574.1 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/CEP-121G
ABC
0.80530 0.04713 0.04530

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/CEP-121G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.767 0.000
C2 0.000 -0.767 0.000
S3 1.833 -1.352 0.000
S4 -1.833 1.352 0.000
H5 1.556 -2.716 0.000
H6 -1.556 2.716 0.000
H7 -0.486 -1.163 0.896
H8 -0.486 -1.163 -0.896
H9 0.486 1.163 0.896
H10 0.486 1.163 -0.896

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.53502.80241.92433.81552.49382.18282.18281.09341.0934
C21.53501.92432.80242.49383.81551.09341.09342.18282.1828
S32.80241.92434.55601.39235.29522.49382.49382.99022.9902
S41.92432.80244.55605.29521.39232.99022.99022.49382.4938
H53.81552.49381.39235.29526.26092.71802.71804.12244.1224
H62.49383.81555.29521.39236.26094.12244.12242.71802.7180
H72.18281.09342.49382.99022.71804.12241.79242.52023.0926
H82.18281.09342.49382.99022.71804.12241.79243.09262.5202
H91.09342.18282.99022.49384.12242.71802.52023.09261.7924
H101.09342.18282.99022.49384.12242.71803.09262.52021.7924

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 107.684 C1 C2 H7 111.182
C1 C2 H8 111.182 C1 S4 H6 96.188
C2 C1 S4 107.684 C2 C1 H9 111.182
C2 C1 H10 111.182 C2 S3 H5 96.188
S3 C2 H7 108.289 S3 C2 H8 108.289
S4 C1 H9 108.289 S4 C1 H10 108.289
H7 C2 H8 110.096 H9 C1 H10 110.096
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.506      
2 C -0.506      
3 S 0.052      
4 S 0.052      
5 H 0.052      
6 H 0.052      
7 H 0.202      
8 H 0.202      
9 H 0.202      
10 H 0.202      


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 10.853 -2.569 0.000
y -2.569 10.005 0.000
z 0.000 0.000 5.880


<r2> (average value of r2) Å2
<r2> 121.306
(<r2>)1/2 11.014