rankings / suite / Hull-5k

Hull-5k — Stability ranking & hull reconstruction

Hull-5k contains 5,000 periodic structures, referenced against r²SCAN, released as r2026.1. It scores Polymorph ranking (ρ) (Spearman ρ), Stable-set discovery (F1) (F1).

Reference generation: Same DFT protocol as FormE-40k; 214 chemical systems with 8–40 competing phases each

Provenance: Generated in-house