Na2CrH2F8

metal

· JVASP-39190· Na2CrH2F8

Na2CrH2F8 is a complex metal hydride-fluoride compound combining sodium, chromium, and fluorine chemistry, representing an experimental material in the metal hydride family rather than a conventional structural alloy. While not yet established in mainstream engineering applications, materials in this compound class are of research interest for hydrogen storage, solid-state battery electrolytes, and advanced catalytic applications where the combination of hydride and fluoride chemistry offers tunable reactivity. The material's novelty means it remains primarily in academic and laboratory development stages, with potential relevance to emerging clean energy and advanced materials platforms rather than current production engineering.

hydrogen storage researchsolid-state battery electrolytescatalytic materials developmentadvanced inorganic synthesisexperimental energy storage

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1059	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.1090	eV	DFT · OptB88vdW
↳	0.1570	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.849	-	DFT · OptB88vdW
↳	2.539	-	DFT · TBmBJ
Magnetic Moment(μB)	2.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000105	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000109	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	129	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	128.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	5.780	%	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)	-2.439	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

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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.

Na2CrH2F8 — Properties & Data | MatWorld

Na2CrH2F8

Physical Properties

Electrical Properties

Other Properties

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