HgF2 — Properties & Data | MatWorld

HgF2

Name: HgF2
Brand: MatWorld

ceramic

· HgF2

Mercuric fluoride (HgF₂) is an inorganic ceramic compound combining mercury and fluorine, classified as a halide ceramic material. While primarily of research and specialized industrial interest rather than mainstream engineering use, HgF₂ appears in niche applications requiring unique chemical or thermal properties inherent to mercury-fluoride systems. Its high density and notable elastic moduli distinguish it from common ceramics, making it relevant for researchers investigating dense ceramic phases, fluoride-based materials, or mercury compound chemistry in controlled laboratory and industrial settings where toxicity can be carefully managed.

Research ceramicsFluoride-based compoundsDense ceramic phasesSpecialized chemical applicationsLaboratory experimentationHigh-density materials research

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	97.63	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4200	-	DFT · OptB88vdW
Shear Modulus(G)	19.52	GPa	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	8.984	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.8620	eV	DFT · OptB88vdW
↳	3.430	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	11.01	-	DFT · OptB88vdW
↳	12.36	-	DFT · PBE
↳	7.803 range 3.931–11.68median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.945	-	DFT · OptB88vdW
↳	2.432	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000541	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00134	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-80.77	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	546.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	1.560	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.399	eV/atom	DFT · OptB88vdW
↳	-1.460	eV/atom	Measured

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

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.

HgF2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental