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

using model chemistry: B3LYP/3-21G

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/3-21G
 hartrees
Energy at 0K-871.838272
Energy at 298.15K-871.844127
Nuclear repulsion energy196.869369
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/3-21G
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 3111 3002 0.00      
2 Ag 2467 2381 0.00      
3 Ag 1539 1485 0.00      
4 Ag 1339 1292 0.00      
5 Ag 1086 1048 0.00      
6 Ag 852 822 0.00      
7 Ag 691 667 0.00      
8 Ag 269 260 0.00      
9 Au 3193 3081 7.34      
10 Au 1155 1114 1.80      
11 Au 795 767 6.40      
12 Au 111 107 3.88      
13 Au 54 52 71.95      
14 Bg 3168 3057 0.00      
15 Bg 1344 1297 0.00      
16 Bg 952 919 0.00      
17 Bg 99 95 0.00      
18 Bu 3121 3012 12.16      
19 Bu 2468 2382 66.45      
20 Bu 1541 1487 10.56      
21 Bu 1274 1229 51.94      
22 Bu 862 832 7.99      
23 Bu 650 627 18.40      
24 Bu 198 191 11.19      

Unscaled Zero Point Vibrational Energy (zpe) 16169.7 cm-1
Scaled (by 0.9649) Zero Point Vibrational Energy (zpe) 15602.2 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/3-21G
ABC
0.81072 0.04768 0.04583

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/3-21G

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.761 0.000
C2 0.000 -0.761 0.000
S3 1.836 -1.327 0.000
S4 -1.836 1.327 0.000
H5 1.571 -2.677 0.000
H6 -1.571 2.677 0.000
H7 -0.478 -1.154 0.897
H8 -0.478 -1.154 -0.897
H9 0.478 1.154 0.897
H10 0.478 1.154 -0.897

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52272.78101.92133.78022.47732.16892.16891.09011.0901
C21.52271.92132.78102.47733.78021.09011.09012.16892.1689
S32.78101.92134.53121.37575.25752.48812.48812.96792.9679
S41.92132.78104.53125.25751.37572.96792.96792.48812.4881
H53.78022.47731.37575.25756.20772.70572.70574.08414.0841
H62.47733.78025.25751.37576.20774.08414.08412.70572.7057
H72.16891.09012.48812.96792.70574.08411.79462.49913.0767
H82.16891.09012.48812.96792.70574.08411.79463.07672.4991
H91.09012.16892.96792.48814.08412.70572.49913.07671.7946
H101.09012.16892.96792.48814.08412.70573.07672.49911.7946

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 107.133 C1 C2 H7 111.138
C1 C2 H8 111.138 C1 S4 H6 96.005
C2 C1 S4 107.133 C2 C1 H9 111.138
C2 C1 H10 111.138 C2 S3 H5 96.005
S3 C2 H7 108.236 S3 C2 H8 108.236
S4 C1 H9 108.236 S4 C1 H10 108.236
H7 C2 H8 110.800 H9 C1 H10 110.800
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/3-21G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.598     -0.250
2 C -0.598     -0.254
3 S 0.017     -0.350
4 S 0.017     -0.349
5 H 0.080     0.214
6 H 0.080     0.211
7 H 0.251     0.195
8 H 0.251     0.195
9 H 0.251     0.195
10 H 0.251     0.195


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 0.010 -0.013 0.000 0.016


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 9.312 -2.331 0.000
y -2.331 8.959 0.000
z 0.000 0.000 4.362


<r2> (average value of r2) Å2
<r2> 226.048
(<r2>)1/2 15.035