VCl2

vanadium(II) chloride · vanadous chloride

Vanadium(II) chloride is a stable, semiconducting inorganic compound primarily used as a precursor in chemical synthesis and materials research.

ClV
Crystal structure of VCl2
Ground-state structure · Materials Project
Overview

About vanadium(II) chloride

Vanadium(II) chloride is a stable inorganic halide that exhibits semiconducting electronic behavior. As a member of the transition metal halide family, it is recognized for its robust thermodynamic stability, sitting securely on the convex hull of its phase space. Its structural versatility is highlighted by a significant number of reported configurations across various databases, making it a well-documented subject for fundamental research. This compound serves as a critical precursor in synthetic chemistry and materials development, where its specific electronic properties are leveraged to explore new chemical pathways. Its stability ensures it remains a reliable material for systematic studies into vanadium-based halides and their potential for specialized technological applications.

At a glance

Key Properties

Cross-validated computational properties for vanadium(II) chloride, aggregated across 3 databases.

Band Gap

1.26 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

77
3 databases, 23 space groups
Uses

Applications

Where vanadium(II) chloride is used.

Chemical synthesisCatalyst precursorMaterials science research
Reference

Frequently Asked Questions

Common questions about vanadium(II) chloride, answered from cross-validated data.

What is VCl2?

Vanadium(II) chloride is a stable, semiconducting inorganic compound primarily used as a precursor in chemical synthesis and materials research.

More questions
What is VCl2 used for?
vanadium(II) chloride (VCl2) is used in chemical synthesis, catalyst precursor, and materials science research.
What is the band gap of VCl2?
vanadium(II) chloride (VCl2) has a DFT-computed band gap of 1.26 eV across 77 reported structures.
Is VCl2 a metal, semiconductor, or insulator?
With a band gap up to 1.26 eV it is a semiconductor.
Is VCl2 thermodynamically stable?
Yes — vanadium(II) chloride (VCl2) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of VCl2 are known?
77 structures of VCl2 are reported across 3 databases, spanning 23 distinct space groups.
What elements does VCl2 contain?
vanadium(II) chloride (VCl2) contains Cl and V (2 elements).
Where does the data for VCl2 come from?
VCl2 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a standalone representative of its class in this context, vanadium(II) chloride serves as a fundamental benchmark for understanding the behavior of transition metal halides. Its position on the convex hull establishes it as a highly reliable reference point for evaluating the stability and electronic characteristics of related binary halide systems.

Data sources & attribution
  • latticegraph — Lattice Graph Materials Intelligence Platform

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