Phase diagram of Zn(CoO2)2 with Orb v3 conservative inf MPA; e_above_hull: 0.384079 eV/atom; predicted_stable: False
Spinel ZnCo2O4 (Fd-3m, a=8.110Å) — Zn in Td site, key compound from Baek et al. Nat. Commun. 2026 showing strongest Td preference driving Co to Oh active sites for OER.