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All results from a given calculation for HSCH2SH (Methanedithiol)

using model chemistry: HSEh1PBE/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2 1A
Energy calculated at HSEh1PBE/aug-cc-pVDZ
 hartrees
Energy at 0K-836.608813
Energy at 298.15K 
HF Energy-836.608813
Nuclear repulsion energy141.300950
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 HSEh1PBE/aug-cc-pVDZ
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 219 210 4.05 4.83 0.39 0.56
2 A 295 284 8.92 1.11 0.22 0.36
3 A 645 621 3.01 13.86 0.15 0.25
4 A 892 858 3.94 9.90 0.08 0.15
5 A 1186 1141 0.39 3.61 0.71 0.83
6 A 1412 1359 1.54 8.76 0.64 0.78
7 A 2695 2593 0.00 150.37 0.06 0.12
8 A 3097 2980 5.91 110.09 0.06 0.12
9 B 240 231 36.42 0.16 0.75 0.86
10 B 702 675 1.27 0.65 0.75 0.86
11 B 769 740 30.15 5.04 0.75 0.86
12 B 990 953 14.65 1.17 0.75 0.86
13 B 1236 1190 25.27 0.06 0.75 0.86
14 B 2694 2592 0.23 54.04 0.75 0.86
15 B 3164 3044 1.90 59.49 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 10118.2 cm-1
Scaled (by 0.9622) Zero Point Vibrational Energy (zpe) 9735.7 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 HSEh1PBE/aug-cc-pVDZ
ABC
0.88283 0.10512 0.09840

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/aug-cc-pVDZ

Point Group is C2

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.780
S2 0.000 1.546 -0.179
S3 0.000 -1.546 -0.179
H4 0.886 -0.055 1.424
H5 -0.886 0.055 1.424
H6 1.122 1.281 -0.891
H7 -1.122 -1.281 -0.891

Atom - Atom Distances (Å)
  C1 S2 S3 H4 H5 H6 H7
C11.81981.81981.09651.09652.38602.3860
S21.81983.09292.43312.36181.35493.1244
S31.81983.09292.36182.43313.12441.3549
H41.09652.43312.36181.77502.68353.3005
H51.09652.36182.43311.77503.30052.6835
H62.38601.35493.12442.68353.30053.4061
H72.38603.12441.35493.30052.68353.4061

picture of Methanedithiol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 S2 H6 96.351 C1 S3 H7 96.351
S2 C1 S3 116.382 S2 C1 H4 110.631
S2 C1 H5 105.469 S3 C1 H4 105.469
S3 C1 H5 110.631 H4 C1 H5 108.075
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.340      
2 S 0.116      
3 S 0.116      
4 H -0.074      
5 H -0.074      
6 H 0.128      
7 H 0.128      


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 0.472 0.472
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.971 1.371 0.000
y 1.371 -39.005 0.000
z 0.000 0.000 -32.667
Traceless
 xyz
x 3.865 1.371 0.000
y 1.371 -6.686 0.000
z 0.000 0.000 2.821
Polar
3z2-r25.643
x2-y27.034
xy1.371
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.233 0.363 0.000
y 0.363 10.641 0.000
z 0.000 0.000 7.727


<r2> (average value of r2) Å2
<r2> 115.804
(<r2>)1/2 10.761