Li2Co2Si2O7

Li2Co2Si2O7 is a metastable, semiconducting silicate compound containing lithium and cobalt.

CoLiOSi
Crystal structure of Li2Co2Si2O7
Ground-state structure · Materials Project
Overview

About Li2Co2Si2O7

Li2Co2Si2O7 is a complex silicate compound containing lithium and cobalt. As a semiconducting material, it exhibits electronic properties that distinguish it from standard insulating silicates, making it a subject of interest for researchers exploring transition metal-based frameworks.

Despite its metastable nature, the compound has been documented across multiple structural databases, highlighting its significance in solid-state chemistry. Its unique combination of elements suggests potential utility in specialized electronic or magnetic applications where cobalt-based coordination environments are desired.

At a glance

Key Properties

Cross-validated computational properties for Li2Co2Si2O7, aggregated across 3 databases.

Band Gap

2.43–2.93 eV
Range across DFT structures

Energy Above Hull

0.048 eV/atom
Best (lowest) across sources

Stability

Metastable
2 DFT sources

Structures

11
3 databases, 2 space groups
Uses

Applications

Where Li2Co2Si2O7 is used.

Solid-state researchMaterials science explorationTransition metal coordination studies
Reference

Frequently Asked Questions

Common questions about Li2Co2Si2O7, answered from cross-validated data.

What is Li2Co2Si2O7?

Li2Co2Si2O7 is a metastable, semiconducting silicate compound containing lithium and cobalt.

More questions
What is Li2Co2Si2O7 used for?
Li2Co2Si2O7 is used in solid-state research, materials science exploration, and transition metal coordination studies.
What is the band gap of Li2Co2Si2O7?
Li2Co2Si2O7 has a DFT-computed band gap of 2.43–2.93 eV across 11 reported structures.
Is Li2Co2Si2O7 a metal, semiconductor, or insulator?
With a band gap up to 2.93 eV it is a semiconductor.
Is Li2Co2Si2O7 thermodynamically stable?
Li2Co2Si2O7 has a lowest energy above hull of 0.048 eV/atom (metastable).
How many polymorphs of Li2Co2Si2O7 are known?
11 structures of Li2Co2Si2O7 are reported across 3 databases, spanning 2 distinct space groups.
What elements does Li2Co2Si2O7 contain?
Li2Co2Si2O7 contains Co, Li, O, and Si (4 elements).
Where does the data for Li2Co2Si2O7 come from?
Li2Co2Si2O7 data is cross-referenced from latticegraph.
Comparison

How It Compares

As a distinct member of the silicate family, Li2Co2Si2O7 occupies a specialized niche due to its semiconducting character and cobalt-rich composition. While many silicates are known for high thermodynamic stability and insulating behavior, this compound represents a more complex, metastable phase that offers unique structural pathways for materials design.

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

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