RbNa3H4 — Properties & Data | MatWorld

RbNa3H4

ceramic

· JVASP-91772· RbNa3H4

RbNa3H4 is an ionic hydride ceramic compound containing rubidium, sodium, and hydrogen, belonging to the family of metal hydrides with potential applications in energy storage and hydrogen-related technologies. This is primarily a research-phase material rather than an established industrial ceramic; compounds in this family are investigated for solid-state hydrogen storage, ion transport, and as precursors or functional materials in advanced energy systems. Engineers would consider materials of this type when designing hydrogen storage systems, solid-state electrolytes, or thermal/chemical storage devices where lightweight hydride ceramics offer advantages over conventional alternatives.

hydrogen storage systemssolid-state electrolytesthermal energy storageresearch-phase energy materialsmetal hydride compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	18.80	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1900	-	DFT · OptB88vdW
Shear Modulus(G)	14.52	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	1.817	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.986	eV	DFT · OptB88vdW
↳	5.215	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.080	-	DFT · OptB88vdW
↳	2.051	-	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)	0.1041	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1935	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.

RbNa3H4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental