RbNaH2

ceramic

· JVASP-37115· RbNaH2

RbNaH₂ is an ionic hydride ceramic compound composed of rubidium, sodium, and hydrogen atoms in a crystalline structure. This is a research-phase material belonging to the metal hydride family, investigated primarily for energy storage and hydrogen-related applications rather than structural engineering use. The compound represents an experimental platform for understanding ionic hydride chemistry and potential hydrogen release mechanisms, with relevance to emerging clean energy technologies but limited current industrial deployment.

hydrogen storage researchsolid-state energy storageionic hydride studiesalternative fuel developmentmaterials science researchchemical energy systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,332.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2000	-	DFT · OptB88vdW
Shear Modulus(G)	1,750.6	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.07760	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.578	eV	DFT · OptB88vdW
↳	4.592	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	4.413	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.052	-	DFT · OptB88vdW
↳	2.092	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.6400	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.870	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00210	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00187	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-207.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	353.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.1084	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1863	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.

RbNaH2 — Properties & Data | MatWorld

RbNaH2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental