AgCl

Silver chloride · Chlorargyrite

Silver chloride is a white, light-sensitive inorganic compound that is widely recognized for its role in traditional photography. It is also frequently utilized in electrochemical sensors and as a component in various optical and medical devices due to its unique chemical stability and reactivity with light.

AgCl
Crystal structure of AgCl (cubic, Fm-3m (No. 225))
Ground-state structure · Materials Project
Overview

Key Properties

Cross-validated computational properties for Silver chloride, aggregated across 4 databases.

Band Gap

0.44–0.95 eV
Range across DFT structures

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

104
4 databases, 19 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of AgCl. 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
Crystallography

Reported Structures

Lowest-energy structures reported for AgCl, ranked by energy above hull.

Space GroupCrystal SystemBand Gap (eV)E above hull (eV/atom)E/atom (eV)Density (g/cm³)
Fm-3m (No. 225)cubic0.950.0000-14.3235.58
Pmmn (No. 59)orthorhombic0.710.0004-14.3225.59
P21/m (No. 11)monoclinic0.870.0113-14.3115.43
Cmcm (No. 63)orthorhombic0.440.0285-14.2945.83
Pm-3m (No. 221)cubic0.600.1367-14.1865.88
No. 0unknown1.53
No. 0unknown3.22
No. 0unknown1.74
No. 0unknown3.33
No. 0unknown1.46
No. 0unknown1.56
No. 0unknown1.76
Synthesis

Synthesis Routes

Literature-extracted synthesis procedures targeting AgCl.

Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Sol-Gel
Procedure available · ceder_solid_state
Uses

Applications

Where Silver chloride is used.

Photographic filmReference electrodesInfrared optical windowsAntimicrobial agentsPotentiometric sensors
Reference

Frequently Asked Questions

Common questions about Silver chloride, answered from cross-validated data.

What is AgCl?

Silver chloride is a white, light-sensitive inorganic compound that is widely recognized for its role in traditional photography. It is also frequently utilized in electrochemical sensors and as a component in various optical and medical devices due to its unique chemical stability and reactivity with light.

More questions
What is AgCl used for?
Silver chloride (AgCl) is used in photographic film, reference electrodes, infrared optical windows, antimicrobial agents, and potentiometric sensors.
What is the band gap of AgCl?
Silver chloride (AgCl) has a DFT-computed band gap of 0.44–0.95 eV across 104 reported structures.
Is AgCl a metal, semiconductor, or insulator?
With a band gap up to 0.95 eV it is a semiconductor.
Is AgCl thermodynamically stable?
Yes — Silver chloride (AgCl) sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
What is the crystal structure of AgCl?
The lowest-energy reported polymorph of Silver chloride (AgCl) is cubic symmetry, space group Fm-3m (No. 225).
What is the density of AgCl?
The computed density of the ground-state structure of Silver chloride (AgCl) is 5.58 g/cm³.
How many polymorphs of AgCl are known?
104 structures of AgCl are reported across 4 databases, spanning 19 distinct space groups.
How is AgCl synthesized?
Literature-reported routes for AgCl include sol-gel (6 procedures documented).
What elements does AgCl contain?
Silver chloride (AgCl) contains Ag and Cl (2 elements).
Where does the data for AgCl come from?
AgCl data is cross-referenced from materials_project, cod, mpaloe.
Data sources & attribution
  • materials_project — Data from the Materials Project. Cite: Jain et al., APL Materials 1, 011002 (2013).
  • cod — Data from the Crystallography Open Database. Cite: Grazulis et al., Nucleic Acids Res. 40, D420 (2012).
  • mpaloe — Data from mpaloe.

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