WCl4O

Name: WCl4O
Brand: MatWorld

ceramic

· WCl4O

WCl₄O is an oxyhalide ceramic compound containing tungsten, chlorine, and oxygen—a rare materials class that bridges traditional oxides and chlorides. This material exists primarily in research and specialized industrial contexts rather than mainstream engineering applications, with potential interest in high-temperature chemistry, catalysis, or refractory applications where its mixed halide-oxide chemistry might offer unique thermal or chemical properties.

experimental ceramics researchhigh-temperature chemistrycatalytic materials developmenttungsten compound synthesisspecialized refractory compoundsmaterials science database reference

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	2,802.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2100	-	DFT · OptB88vdW
Shear Modulus(G)	2,020.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1467	lb/in³	DFT · OptB88vdW

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

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.5000	eV	DFT · OptB88vdW
↳	2.555	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	7.463	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	6.982	-	DFT · OptB88vdW
↳	4.713	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.1244	C/m²	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	11.63	%	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

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.03330	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.247	eV/atom	DFT · OptB88vdW
↳	-1.159	eV/atom	Measured

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

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.

WCl4O — Properties & Data | MatWorld

WCl4O

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental