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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: HF/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HF/6-311G*
 hartrees
Energy at 0K-835.257124
Energy at 298.15K 
HF Energy-835.257124
Nuclear repulsion energy141.890555
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 HF/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 262 237 8.25 11.73 0.65 0.79
2 A 316 286 20.32 10.00 0.69 0.82
3 A 689 623 4.59 23.17 0.16 0.28
4 A 987 893 5.17 7.40 0.54 0.70
5 A 1339 1211 2.51 14.06 0.72 0.84
6 A 1594 1441 1.02 13.13 0.71 0.83
7 A 2836 2565 2.59 150.73 0.19 0.32
8 A 3257 2946 16.90 95.18 0.12 0.22
9 B 270 244 42.29 2.49 0.75 0.86
10 B 774 700 0.67 0.83 0.75 0.86
11 B 832 752 31.03 16.13 0.75 0.86
12 B 1117 1010 42.32 4.47 0.75 0.86
13 B 1409 1275 29.32 0.02 0.75 0.86
14 B 2835 2564 6.73 118.10 0.75 0.86
15 B 3314 2997 3.00 70.30 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10915.6 cm-1
Scaled (by 0.9044) Zero Point Vibrational Energy (zpe) 9872.1 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 HF/6-311G*
ABC
0.90083 0.10526 0.09865

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/6-311G*

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.773
S2 0.000 1.545 -0.179
S3 0.000 -1.545 -0.179
H4 0.870 -0.049 1.409
H5 -0.870 0.049 1.409
H6 1.119 1.326 -0.865
H7 -1.119 -1.326 -0.865

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81451.81451.07861.07862.38682.3868
S21.81453.08912.41182.34871.33093.1568
S31.81453.08912.34872.41183.15681.3309
H41.07862.41182.34871.74232.66963.2806
H51.07862.34872.41181.74233.28062.6696
H62.38681.33093.15682.66963.28063.4707
H72.38683.15681.33093.28062.66963.4707

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 97.532 C1 S3 H7 97.532
S2 C1 S3 116.697 S2 C1 H4 110.354
S2 C1 H5 105.725 S3 C1 H4 105.725
S3 C1 H5 110.354 H4 C1 H5 107.737
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.693      
2 S -0.084      
3 S -0.084      
4 H 0.275      
5 H 0.275      
6 H 0.155      
7 H 0.155      


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 0.439 0.439
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -32.385 2.207 0.000
y 2.207 -40.670 0.000
z 0.000 0.000 -33.331
Traceless
 xyz
x 4.616 2.207 0.000
y 2.207 -7.813 0.000
z 0.000 0.000 3.197
Polar
3z2-r26.394
x2-y28.286
xy2.207
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.303 0.086 0.000
y 0.086 8.049 0.000
z 0.000 0.000 5.371


<r2> (average value of r2) Å2
<r2> 116.113
(<r2>)1/2 10.776