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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: TPSSh/aug-cc-pVQZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at TPSSh/aug-cc-pVQZ
 hartrees
Energy at 0K-836.989629
Energy at 298.15K 
HF Energy-836.989629
Nuclear repulsion energy141.423976
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 TPSSh/aug-cc-pVQZ
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 202 202 3.59 5.32 0.37 0.54
2 A 288 288 8.38 1.02 0.16 0.28
3 A 628 628 2.81 14.69 0.14 0.24
4 A 892 892 3.36 9.65 0.08 0.15
5 A 1199 1199 0.61 3.52 0.73 0.85
6 A 1456 1456 0.88 9.33 0.63 0.77
7 A 2683 2683 0.06 144.12 0.07 0.13
8 A 3070 3070 6.61 109.46 0.06 0.12
9 B 236 236 33.76 0.21 0.75 0.86
10 B 695 695 2.50 0.43 0.75 0.86
11 B 735 735 31.72 5.05 0.75 0.86
12 B 1000 1000 15.77 1.06 0.75 0.86
13 B 1250 1250 27.48 0.07 0.75 0.86
14 B 2682 2682 0.44 53.54 0.75 0.86
15 B 3127 3127 1.74 59.22 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10071.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 10071.7 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 TPSSh/aug-cc-pVQZ
ABC
0.89149 0.10483 0.09822

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/aug-cc-pVQZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.777
S2 0.000 1.548 -0.179
S3 0.000 -1.548 -0.179
H4 0.881 -0.055 1.414
H5 -0.881 0.055 1.414
H6 1.120 1.297 -0.875
H7 -1.120 -1.297 -0.875

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.82021.82021.08781.08782.38082.3808
S21.82023.09692.42582.35451.34273.1360
S31.82023.09692.35452.42583.13601.3427
H41.08782.42582.35451.76462.66923.2840
H51.08782.35452.42581.76463.28402.6692
H62.38081.34273.13602.66923.28403.4272
H72.38083.13601.34273.28402.66923.4272

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.484 C1 S3 H7 96.484
S2 C1 S3 116.576 S2 C1 H4 110.521
S2 C1 H5 105.333 S3 C1 H4 105.333
S3 C1 H5 110.521 H4 C1 H5 108.399
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.961      
2 S 0.001      
3 S 0.001      
4 H 0.394      
5 H 0.394      
6 H 0.086      
7 H 0.086      


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 0.510 0.510
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 7.394 0.397 0.000
y 0.397 10.911 0.000
z 0.000 0.000 7.887


<r2> (average value of r2) Å2
<r2> 115.813
(<r2>)1/2 10.762