Calculate phonon dispersion and band structure
H10 batch-2 candidate. GGen DB, cell Fe6Si2W2 (10 atoms, primitive Fe3SiW 5 atoms), SG 107 (I4mm, uniaxial) at symprec 0.01/0.1, ordered, dmin 2.367 A, rho 10.56 g/cm3. Validated 2026-09-11.