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

using model chemistry: B97D3/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B97D3/6-31G*
 hartrees
Energy at 0K-876.142798
Energy at 298.15K-876.148867
HF Energy-876.142798
Nuclear repulsion energy 
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 B97D3/6-31G*
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 3019 2960 0.00      
2 Ag 2635 2584 0.00      
3 Ag 1492 1463 0.00      
4 Ag 1328 1302 0.00      
5 Ag 1086 1065 0.00      
6 Ag 871 854 0.00      
7 Ag 721 707 0.00      
8 Ag 272 267 0.00      
9 Au 3091 3031 19.43      
10 Au 1128 1106 4.77      
11 Au 779 763 4.04      
12 Au 147 145 28.95      
13 Au 84 82 27.10      
14 Bg 3068 3008 0.00      
15 Bg 1293 1268 0.00      
16 Bg 968 949 0.00      
17 Bg 153 150 0.00      
18 Bu 3027 2968 35.83      
19 Bu 2636 2584 53.29      
20 Bu 1494 1465 4.73      
21 Bu 1244 1220 63.40      
22 Bu 884 867 4.88      
23 Bu 683 670 9.35      
24 Bu 199 195 8.48      

Unscaled Zero Point Vibrational Energy (zpe) 16152.2 cm-1
Scaled (by 0.9804) Zero Point Vibrational Energy (zpe) 15835.6 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 B97D3/6-31G*
ABC
0.82664 0.04983 0.04786

See section I.F.4 to change rotational constant units
Geometric Data calculated at B97D3/6-31G*

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.490 0.587 0.000
C2 -0.490 -0.587 0.000
S3 0.490 -2.158 0.000
S4 -0.490 2.158 0.000
H5 -0.578 -2.990 0.000
H6 0.578 2.990 0.000
H7 -1.126 -0.552 0.894
H8 -1.126 -0.552 -0.894
H9 1.126 0.552 0.894
H10 1.126 0.552 -0.894

Atom - Atom Distances (Å)
  C1 C2 S3 S4 H5 H6 H7 H8 H9 H10
C11.52902.74521.85143.73332.40502.16972.16971.09801.0980
C21.52901.85142.74522.40503.73331.09801.09802.16972.1697
S32.74521.85144.42611.35365.14942.44762.44762.92392.9239
S41.85142.74524.42615.14941.35362.92392.92392.44762.4476
H53.73332.40501.35365.14946.09152.65452.65454.03134.0313
H62.40503.73335.14941.35366.09154.03134.03132.65452.6545
H72.16971.09802.44762.92392.65454.03131.78812.50833.0804
H82.16971.09802.44762.92392.65454.03131.78813.08042.5083
H91.09802.16972.92392.44764.03132.65452.50833.08041.7881
H101.09802.16972.92392.44764.03132.65453.08042.50831.7881

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 108.208 C1 C2 H7 110.051
C1 C2 H8 110.051 C1 S4 H6 95.907
C2 C1 S4 108.208 C2 C1 H9 110.051
C2 C1 H10 110.051 C2 S3 H5 95.907
S3 C2 H7 109.799 S3 C2 H8 109.799
S4 C1 H9 109.799 S4 C1 H10 109.799
H7 C2 H8 108.923 H9 C1 H10 108.923
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B97D3/6-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.418      
2 C -0.418      
3 S -0.082      
4 S -0.082      
5 H 0.103      
6 H 0.103      
7 H 0.199      
8 H 0.199      
9 H 0.199      
10 H 0.199      


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 -39.660 7.307 0.000
y 7.307 -39.569 0.000
z 0.000 0.000 -42.668
Traceless
 xyz
x 1.459 7.307 0.000
y 7.307 1.595 0.000
z 0.000 0.000 -3.054
Polar
3z2-r2-6.107
x2-y2-0.091
xy7.307
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.160 -0.524 0.000
y -0.524 11.173 0.000
z 0.000 0.000 5.676


<r2> (average value of r2) Å2
<r2> 217.155
(<r2>)1/2 14.736