CuAs4S3Cl — Properties & Data | MatWorld

CuAs4S3Cl

metal

· JVASP-62191· CuAs4S3Cl

CuAs₄S₃Cl is a rare quaternary copper arsenosulfide chloride compound that does not correspond to any established commercial alloy or material system currently used in industrial engineering. This compound appears to be either a research-phase material or a misidentified chemical formula, as it lacks documented applications in mainstream manufacturing or engineering practice. If this represents an experimental copper-arsenic-sulfur system, materials in this chemical family are primarily of academic interest for semiconductor research, photovoltaic applications, and specialized optical materials, though arsenic-bearing compounds face significant environmental and toxicity constraints that limit practical engineering adoption.

experimental semiconductor researchphotovoltaic developmentoptical material researcharsenic compound studieslaboratory/non-commercial use only

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.750	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.422	eV	DFT · OptB88vdW
↳	2.033	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.884	-	DFT · OptB88vdW
↳	6.642	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.7833	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5933	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000535	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000439	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-175.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	157.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	22.23	%	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)	0.00410	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2371	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

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Quality & Standards

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.

CuAs4S3Cl

Physical Properties

Electrical Properties

Other Properties

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Environmental

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Quality & Standards