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Experimental data for DS (Mercapto-d)

22 02 02 11 45
Other names
Mercapto-D;
INChI INChIKey SMILES IUPAC name
InChI=1S/HS/h1H/i1D PXQLVRUNWNTZOS-MICDWDOJSA-N [S][2H]
State Conformation
2Π C*V
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation 138.49 5.00 kJ mol-1 JANAF
Hfg(0K) enthalpy of formation 137.89 5.00 kJ mol-1 JANAF
Entropy (298.15K) entropy 201.48   J K-1 mol-1 JANAF
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 9.29   kJ mol-1 JANAF
Heat Capacity (298.15K) heat capacity 32.52   J K-1 mol-1 JANAF
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 Σ   1886 1979HUB/HER      

vibrational zero-point energy:   cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for DS (Mercapto-d).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  4.90030   1979HUB/HER

Calculated rotational constants for DS (Mercapto-d).
Product of moments of inertia moments of inertia
3.440122amu Å2   5.712547E-40gm cm2
Geometric Data
picture of Mercapto-d

Point Group C∞v


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4
rSD 1.341   1 2 1979HUB/HER re

Cartesians
Atom x (Å) y (Å) z (Å)
S1 0.0000 0.0000 0.0000
H2 0.0000 0.0000 1.3406

Atom - Atom Distances bond lengths
Distances in Å
  S1 H2
S1   1.3406
H2 1.3406  

Calculated geometries for DS (Mercapto-d).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
D-S 1

Connectivity
Atom 1 Atom 2
S1 H2
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 2 1979HUB/HER 2Π
376.75 2 1979HUB/HER

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
10.422 0.001     webbook
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 2Π C∞v True       0.757 NISTdiatomic μ0 C∞v 1 1
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for DS (Mercapto-d).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 2Π C∞v True       C∞v 1 1

Calculated electric quadrupole moments for DS (Mercapto-d).

References
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squib reference DOI
1979HUB/HER Huber, K.P.; Herzberg, G., Molecular Spectra and Molecular Structure. IV. Constants of Diatomic Molecules, Van Nostrand Reinhold Co., 1979 10.1007/978-1-4757-0961-2
JANAF Chase, M.W., Jr.; Davies, C.A.; Downey, J.R., Jr.; Frurip, D.J.; McDonald, R.A.; Syverud, A.N., JANAF Thermochemical Tables (Third Edition), J. Phys. Chem. Ref. Data,Suppl. 1, 1985, 14, 1.  
NISTdiatomic NIST Diatomic Spectral Database (www.physics.nist.gov/PhysRefData/MolSpec/Diatomic/index.html) 10.18434/T4T59X
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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