Chemical Pressure Gallery of Results

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Over the course of our work, we have assembled a body of knowledge concerning the Chemical Pressure (CP) schemes of various intermetallic systems. Below, these results are summarized to provide an overview to the broader community.

CaCu5-type and related structures

Hirshfeld-inspired contact volumes
Isotropic core averaging
Ca CPmax= -1302 GPa
Hirshfeld-inspired contact
volumes
Isotropic core averaging
Ca CPnet= -21 GPa
Hirshfeld-inspired contact volumes
Isotropic core averaging
Ca CPmax= -1253 GPa
Hirshfeld-inspired contact volumes
Isotropic core averaging
Ca CPnet= -389 GPa
Hirshfeld-inspired contact volumes
Isotropic core averaging
Ca CPmax= -902 GPa
Voronoi cells
No core unwarping
Sr CPnet= -275 GPa
Voronoi cells
No core unwarping
Sr CPnet= -8 GPa

Superstructures

Hirshfeld-inspired contact volumes
Isotropic core averaging
Deletion of kagome layer greatly relieves negative Ca-based CP
Hirshfeld-inspired contact volumes
Isotropic core averaging
Ca1 CPmax= -1158 GPa
Ca2 CPmax= -390 GPa
Ca3 CPmax= -630 GPa
Contact volumes 85% of metallic radius
Isotropic core averaging
Shift from hexagonal lattice to pentagons induces curvature and quasicrystal approximant character
Contact volumes 85% of metallic radius
Isotropic core averaging
Ca CPmax= -454 GPa in CaCd6
Ca CPmax= -559 GPa in CaCd5

AuBe5-type

AuCu3-type

REMnxGa3 family

W5Si3-type and related structures