Co2Sn

Co2Sn is a metallic cobalt-tin intermetallic compound known for its structural diversity and metastable nature.

CoSn
Crystal structure of Co2Sn
Ground-state structure · Materials Project
Overview

About Co2Sn

Co2Sn is a metallic intermetallic compound composed of cobalt and tin. Its electronic structure is characterized by a lack of a band gap, identifying it as a conductor that is frequently studied for its complex structural behavior in solid-state chemistry.

Despite its metallic nature, the compound is noted for being thermodynamically metastable. With numerous reported structural variations across multiple databases, it remains a focal point for researchers investigating phase stability and the formation of transition metal stannides.

At a glance

Key Properties

Cross-validated computational properties for Co2Sn, aggregated across 5 databases.

Band Gap

Metallic / not reported

Energy Above Hull

0.222 eV/atom
Best (lowest) across sources

Stability

Above hull
3 DFT sources

Structures

29
5 databases, 10 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of Co2Sn. Tight agreement means computed properties can be trusted without re-running calculations.

Agreement Score

1.00 / 1.00
Trust tier: medium

Hull Spread

0.000 eV
EAH spread across sources

Sources Compared

2
jarvis, materials_project

Space Group Consensus

All match
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting Co2Sn.

Sol Gel
Procedure available · ceder_sol_gel
Solid State
Procedure available · ceder_solid_state
Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where Co2Sn is used.

Materials science researchSolid-state chemistry studiesIntermetallic phase formation analysis
Reference

Frequently Asked Questions

Common questions about Co2Sn, answered from cross-validated data.

What is Co2Sn?

Co2Sn is a metallic cobalt-tin intermetallic compound known for its structural diversity and metastable nature.

More questions
What is Co2Sn used for?
Co2Sn is used in materials science research, solid-state chemistry studies, and intermetallic phase formation analysis.
What is the band gap of Co2Sn?
Co2Sn is computed to be metallic (no band gap) in the reported DFT structures.
Is Co2Sn a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is Co2Sn thermodynamically stable?
Co2Sn has a lowest energy above hull of 0.222 eV/atom (above hull).
How many polymorphs of Co2Sn are known?
29 structures of Co2Sn are reported across 5 databases, spanning 10 distinct space groups.
How is Co2Sn synthesized?
Literature-reported routes for Co2Sn include sol gel, solid state (3 procedures documented).
What elements does Co2Sn contain?
Co2Sn contains Co and Sn (2 elements).
Where does the data for Co2Sn come from?
Co2Sn data is cross-referenced from latticegraph.
Comparison

How It Compares

As a member of the cobalt-tin binary system, Co2Sn represents a unique structural configuration that sits outside the ground-state stability of the phase diagram, highlighting the intricate interplay between cobalt and tin atoms in non-equilibrium conditions.

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

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