Fe2NiSi (space group: Pmm2 #25, crystal system: orthorhombic, point group: mm2) (missed expected composition: Fe2NiSi)
Relaxed with Orb v3; 0.03 eV/Å threshold; final energy = -28.8504 eV; energy change = -0.0859 eV; symmetry: Pmm2 → Pmm2