HfFeCl6

metal
· JVASP-5476· HfFeCl6

HfFeCl6 is a transition metal halide compound combining hafnium and iron with chloride ligands, representing an emerging class of layered metal halide materials under investigation for advanced functional applications. This compound belongs to the family of exfoliable metal halides, which are being explored in materials research for their potential in electronics, catalysis, and energy storage due to their tunable chemical and structural properties. While primarily a research material rather than established in mainstream industrial production, HfFeCl6 and related hafnium-iron compounds are of particular interest to materials scientists developing next-generation heterostructured devices and catalytic systems.

Research and developmentLayered material synthesisHeterogeneous catalysisEnergy storage electrodesElectronic device engineeringTwo-dimensional materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
16.60
GPa
Exfoliation Energy(Eexf)
71.85
meV/atom
Poisson's Ratio(ν)
0.2200
-
Shear Modulus(G)
12.44
GPa
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
3.804
kg/m³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.3905
range 0.000–0.7810median of 2 measurements
eV
Dielectric Constant (Relative Permittivity)(εr)
9.849
-
Magnetic Moment(μB)
8.000
µB
Piezoelectric Modulus(eij)
0.000
C/m²
Seebeck Coefficient(S)
-41.04
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.01410
eV/atom
Formation Energy(ΔHf)
-1.441
eV/atom
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.