CaPb

CaPb is a thermodynamically stable intermetallic compound composed of calcium and lead that exhibits metallic electronic properties.

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

About CaPb

CaPb is a robust intermetallic compound formed from calcium and lead. It is characterized by its metallic electronic nature, reflecting the typical conductive behavior expected of such binary systems. Its position on the convex hull confirms its thermodynamic stability, making it a reliable subject for structural studies.

With extensive documentation across multiple databases, this compound serves as a significant reference point for researchers investigating binary metal alloys. Its structural diversity highlights the complex bonding interactions that occur between alkaline earth metals and heavy post-transition elements.

At a glance

Key Properties

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

Band Gap

Metallic / not reported

Energy Above Hull

0.000 eV/atom
Best (lowest) across sources

Stability

On hull (stable)
2 DFT sources

Structures

63
4 databases, 13 space groups
Validation

Cross-Source DFT Agreement

How well independent DFT databases agree on the thermodynamics of CaPb. 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 CaPb.

Solid State
Procedure available · ceder_solid_state
Uses

Applications

Where CaPb is used.

Materials science researchAlloy phase studiesFundamental structural chemistry
Reference

Frequently Asked Questions

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

What is CaPb?

CaPb is a thermodynamically stable intermetallic compound composed of calcium and lead that exhibits metallic electronic properties.

More questions
What is CaPb used for?
CaPb is used in materials science research, alloy phase studies, and fundamental structural chemistry.
What is the band gap of CaPb?
CaPb is computed to be metallic (no band gap) in the reported DFT structures.
Is CaPb a metal, semiconductor, or insulator?
Computed band structures report no gap, so it is metallic.
Is CaPb thermodynamically stable?
Yes — CaPb sits on the convex hull (energy above hull 0 eV/atom), i.e. on hull (stable).
How many polymorphs of CaPb are known?
63 structures of CaPb are reported across 4 databases, spanning 13 distinct space groups.
How is CaPb synthesized?
Literature-reported routes for CaPb include solid state.
What elements does CaPb contain?
CaPb contains Ca and Pb (2 elements).
Where does the data for CaPb come from?
CaPb data is cross-referenced from latticegraph.
Comparison

How It Compares

As a stable binary intermetallic, CaPb serves as a foundational example of how calcium and lead interact to form ordered, thermodynamically favored phases. It represents a key data point for understanding the structural landscape of similar heavy-metal alloy systems.

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

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