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

using model chemistry: B3LYP/6-31+G**

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/6-31+G**
 hartrees
Energy at 0K-876.209793
Energy at 298.15K-876.215777
Nuclear repulsion energy200.845781
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/6-31+G**
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 3071 2961 0.00      
2 Ag 2684 2588 0.00      
3 Ag 1500 1446 0.00      
4 Ag 1343 1295 0.00      
5 Ag 1099 1060 0.00      
6 Ag 888 856 0.00      
7 Ag 729 703 0.00      
8 Ag 277 267 0.00      
9 Au 3143 3030 6.88      
10 Au 1133 1093 5.81      
11 Au 785 757 3.44      
12 Au 125 121 9.52      
13 Au 60 58 42.54      
14 Bg 3121 3009 0.00      
15 Bg 1303 1257 0.00      
16 Bg 976 941 0.00      
17 Bg 117 113 0.00      
18 Bu 3080 2969 25.91      
19 Bu 2684 2588 22.19      
20 Bu 1501 1447 5.37      
21 Bu 1259 1214 64.13      
22 Bu 893 861 4.75      
23 Bu 701 676 8.79      
24 Bu 200 193 8.65      

Unscaled Zero Point Vibrational Energy (zpe) 16334.8 cm-1
Scaled (by 0.9642) Zero Point Vibrational Energy (zpe) 15750.0 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/6-31+G**
ABC
0.83503 0.04975 0.04781

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.763 0.000
C2 0.000 -0.763 0.000
S3 1.755 -1.351 0.000
S4 -1.755 1.351 0.000
H5 1.473 -2.670 0.000
H6 -1.473 2.670 0.000
H7 -0.507 -1.143 0.890
H8 -0.507 -1.143 -0.890
H9 0.507 1.143 0.890
H10 0.507 1.143 -0.890

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52602.74741.85063.73532.40932.16382.16381.09291.0929
C21.52601.85062.74742.40933.73531.09291.09292.16382.1638
S32.74741.85064.42911.34835.15602.43992.43992.92712.9271
S41.85062.74744.42915.15601.34832.92712.92712.43992.4399
H53.73532.40931.34835.15606.09812.65442.65444.03234.0323
H62.40933.73535.15601.34836.09814.03234.03232.65442.6544
H72.16381.09292.43992.92712.65444.03231.78072.50083.0700
H82.16381.09292.43992.92712.65444.03231.78073.07002.5008
H91.09292.16382.92712.43994.03232.65442.50083.07001.7807
H101.09292.16382.92712.43994.03232.65443.07002.50081.7807

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 108.532 C1 C2 H7 110.336
C1 C2 H8 110.336 C1 S4 H6 96.472
C2 C1 S4 108.532 C2 C1 H9 110.336
C2 C1 H10 110.336 C2 S3 H5 96.472
S3 C2 H7 109.256 S3 C2 H8 109.256
S4 C1 H9 109.256 S4 C1 H10 109.256
H7 C2 H8 109.104 H9 C1 H10 109.104
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYP/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.402     -0.191
2 C -0.402     -0.216
3 S -0.052     -0.328
4 S -0.052     -0.328
5 H 0.068     0.197
6 H 0.068     0.192
7 H 0.193     0.170
8 H 0.193     0.170
9 H 0.193     0.166
10 H 0.193     0.166


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 0.015 -0.020 0.000 0.025


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 10.545 -2.170 0.000
y -2.170 9.668 0.000
z 0.000 0.000 7.853


<r2> (average value of r2) Å2
<r2> 218.005
(<r2>)1/2 14.765