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Experimental data for DF (Hydrofluoric acid-d)

22 02 02 11 45
Other names
Deuterium fluoride; Hydrofluoric acid-d;
INChI INChIKey SMILES IUPAC name
InChI=1S/FH/h1H/i/hD KRHYYFGTRYWZRS-DYCDLGHISA-N F[2H]
State Conformation
1Σ 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 -276.23 0.84 kJ mol-1 Gurvich
Hfg(0K) enthalpy of formation -276.17 0.84 kJ mol-1 Gurvich
Entropy (298.15K) entropy 179.70   J K-1 mol-1 Gurvich
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 8.64   kJ mol-1 Gurvich
Heat Capacity (298.15K) heat capacity 29.14   J K-1 mol-1 Gurvich
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   2998 1979HUB/HER      

vibrational zero-point energy:   cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for DF (Hydrofluoric acid-d).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  11.01020   1979HUB/HER

Calculated rotational constants for DF (Hydrofluoric acid-d).
Product of moments of inertia moments of inertia
1.531092amu Å2   2.542474E-40gm cm2
Geometric Data
picture of Hydrofluoric acid-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
rDF 0.917 0.000 1 2 NISTdiatomic re

Cartesians
Atom x (Å) y (Å) z (Å)
F1 0.0000 0.0000 0.0000
H2 0.0000 0.0000 0.9169

Atom - Atom Distances bond lengths
Distances in Å
  F1 H2
F1   0.9169
H2 0.9169  

Calculated geometries for DF (Hydrofluoric acid-d).

Bond descriptions


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

Connectivity
Atom 1 Atom 2
F1 H2
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1 1979HUB/HER 1Σ

Ionization Energies (eV)
Ionization Energy I.E. unc. vertical I.E. v.I.E. unc. reference
16.058       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 1Σ C∞v True           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 DF (Hydrofluoric acid-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 1Σ C∞v True       C∞v 1 1

Calculated electric quadrupole moments for DF (Hydrofluoric acid-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
Gurvich Gurvich, L.V.; Veyts, I. V.; Alcock, C. B., Thermodynamic Properties of Individual Substances, Fouth Edition, Hemisphere Pub. Co., New York, 1989  
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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