K3H5Pt — Properties & Data | MatWorld

K3H5Pt

metal

· JVASP-51696· K3H5Pt

K3H5Pt is an intermetallic compound combining potassium, hydrogen, and platinum in a fixed stoichiometric ratio. This is a research-phase material rather than an established commercial alloy; it belongs to the family of metal hydrides and platinum-based intermetallics being explored for advanced functional applications. The inclusion of platinum provides chemical stability and catalytic potential, while the potassium-hydrogen system suggests possible uses in hydrogen storage, energy conversion, or specialized catalyst support systems where platinum's properties can be leveraged in a lightweight, engineered matrix.

experimental hydrogen storagecatalytic supportsenergy research applicationsplatinum-based intermetallicschemical synthesis research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,079.2	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2800	-	DFT · OptB88vdW
Shear Modulus(G)	1,624.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1241	lb/in³	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	3.086	eV	DFT · OptB88vdW
↳	4.264	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.600	-	DFT · OptB88vdW
↳	2.778	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.260	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.977	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00124	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000703	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-298.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	271.3	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.4171	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.

K3H5Pt

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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