Al4H4O16Si4

Kaolinite · Al2Si2O5(OH)4

Al4H4O16Si4 is a metastable aluminosilicate mineral that functions as an insulating material in various industrial and geological contexts.

Crystal structure of Al4H4O16Si4
Ground-state structure · Materials Project
Overview

About Kaolinite

Al4H4O16Si4 is a prominent member of the aluminosilicate and zeolite framework family. As a wide-gap insulator, it exhibits distinct electronic characteristics that define its behavior in various geological and synthetic environments.

This material is recognized for its metastable nature, which influences its chemical reactivity and transformation pathways. It serves as a fundamental building block in understanding complex silicate structures and is widely utilized in industrial processes requiring high-performance mineral components.

At a glance

Key Properties

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

Band Gap

5.57 eV
Range across DFT structures

Energy Above Hull

0.090 eV/atom
Best (lowest) across sources

Stability

Metastable
1 DFT source

Structures

3
3 databases, 2 space groups
Uses

Applications

Where Kaolinite is used.

Ceramics manufacturingPaper coating and fillerRubber and plastic reinforcementCatalysis supportPharmaceutical excipients
Reference

Frequently Asked Questions

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

What is Al4H4O16Si4?

Al4H4O16Si4 is a metastable aluminosilicate mineral that functions as an insulating material in various industrial and geological contexts.

More questions
What is Al4H4O16Si4 used for?
Kaolinite (Al4H4O16Si4) is used in ceramics manufacturing, paper coating and filler, rubber and plastic reinforcement, catalysis support, and pharmaceutical excipients.
What is the band gap of Al4H4O16Si4?
Kaolinite (Al4H4O16Si4) has a DFT-computed band gap of 5.57 eV across 3 reported structures.
Is Al4H4O16Si4 a metal, semiconductor, or insulator?
With a wide band gap up to 5.57 eV it is an insulator / wide-band-gap material.
Is Al4H4O16Si4 thermodynamically stable?
Kaolinite (Al4H4O16Si4) has a lowest energy above hull of 0.090 eV/atom (metastable).
How many polymorphs of Al4H4O16Si4 are known?
3 structures of Al4H4O16Si4 are reported across 3 databases, spanning 2 distinct space groups.
What elements does Al4H4O16Si4 contain?
Kaolinite (Al4H4O16Si4) contains Al, H, O, and Si (4 elements).
Where does the data for Al4H4O16Si4 come from?
Al4H4O16Si4 data is cross-referenced from latticegraph.
Comparison

How It Compares

Within the aluminosilicates and zeolite frameworks class.

Within the diverse group of aluminosilicates, Al4H4O16Si4 occupies a unique position compared to denser, anhydrous phases like Al2SiO5 or the framework-rich NaAlSi3O8. While many of its siblings are highly stable under geological pressures, this compound's metastable character makes it particularly reactive and valuable for chemical synthesis and industrial catalysis.

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Related Compounds

Other Aluminosilicates and Zeolite Frameworks in the database.

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

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