Na2PtS2 — Properties & Data | MatWorld

Na2PtS2

metal

· Na2PtS2

Na2PtS2 is an intermetallic compound combining sodium, platinum, and sulfur, representing a niche material in the platinum chalcogenide family. This is primarily a research-phase material rather than an established industrial commodity; it is studied for its potential in catalysis, energy storage, and solid-state chemistry applications where platinum's catalytic properties are combined with sulfide chemistry. The compound may be of interest to researchers developing advanced electrode materials, heterogeneous catalysts, or functional ceramics, though commercial adoption remains limited and material availability is restricted to specialized suppliers.

research catalystssolid-state electrochemistryplatinum-based compoundsenergy storage researchexperimental intermetallicsmaterials chemistry investigation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	47.51	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3200	-	DFT · OptB88vdW
Shear Modulus(G)	20.55	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	5.036	kg/m³	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	1.270	eV	DFT · OptB88vdW
↳	1.833	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	15.41	-	DFT · OptB88vdW
↳	12.29	-	DFT · PBE
↳	9.000 range 6.411–11.59median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.221	-	DFT · OptB88vdW
↳	5.540	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.04661	C/m²	DFT · OptB88vdW
↳	0.1271	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00291	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00222	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-262.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	385.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	26.65	%	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)	-0.9584	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

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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.

Na2PtS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

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