Na2HfH6O6 — Properties & Data | MatWorld

Na2HfH6O6

ceramic

· JVASP-85691· Na2HfH6O6

Na2HfH6O6 is an inorganic ceramic compound containing sodium, hafnium, hydrogen, and oxygen—a hydride-oxide system that represents an emerging class of advanced ceramics with potential high-temperature and structural applications. This material is primarily encountered in research and development contexts rather than established industrial production, where it is studied for its combined ionic and covalent bonding characteristics that may enable novel properties in refractory, electrochemical, or energy storage systems. The hafnium-containing composition positions it within the family of refractory ceramics, where hafnium compounds are valued for extreme thermal stability, though this specific hydride-oxide form remains relatively unexplored compared to conventional hafnia ceramics.

Research and developmentAdvanced ceramicsHigh-temperature applicationsRefractory materialsElectrochemical systemsEnergy storage (exploratory)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	34.51	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2200	-	DFT · OptB88vdW
Shear Modulus(G)	23.87	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.720	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	4.758	eV	DFT · OptB88vdW
↳	7.322	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.816	-	DFT · OptB88vdW
↳	2.191	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.741	eV/atom	DFT · OptB88vdW

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.

Na2HfH6O6

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental