{"success":true,"data":{"items":[{"mp_id":"mp-850068","type":"TRA","formula":"NiS2","crystal_system":"Orthorhombic","space_group":"Pbcn","formation_energy_per_atom":-0.49464,"is_stable":false,"density":4.48506,"nelements":2},{"mp_id":"mp-850086","type":"TRA","formula":"Ni3S2","crystal_system":"Orthorhombic","space_group":"Cmcm","formation_energy_per_atom":-0.43743,"is_stable":false,"density":6.53384,"nelements":2},{"mp_id":"mp-850131","type":"TRA","formula":"NiS2","crystal_system":"Monoclinic","space_group":"P2_1\/c","formation_energy_per_atom":-0.56983,"is_stable":false,"density":4.32329,"nelements":2},{"mp_id":"mp-850194","type":"HEA","formula":"TiNiO3","crystal_system":"Trigonal","space_group":"R3c","formation_energy_per_atom":-2.58277,"is_stable":false,"density":5.13256,"nelements":3},{"mp_id":"mp-850209","type":"HEA","formula":"Li5Mn(Ni2O5)2","crystal_system":"Triclinic","space_group":"P-1","formation_energy_per_atom":-1.65822,"is_stable":false,"density":4.55809,"nelements":4},{"mp_id":"mp-850289","type":"HEA","formula":"Li4Ti2Ni3Sb3O16","crystal_system":"Monoclinic","space_group":"Cm","formation_energy_per_atom":-2.18446,"is_stable":false,"density":4.86892,"nelements":5},{"mp_id":"mp-850365","type":"HEA","formula":"Ni5Te(PO4)6","crystal_system":"Trigonal","space_group":"R3","formation_energy_per_atom":-2.02328,"is_stable":false,"density":3.68885,"nelements":4},{"mp_id":"mp-850400","type":"HEA","formula":"Na3(NiO2)2","crystal_system":"Orthorhombic","space_group":"Pnma","formation_energy_per_atom":-1.25568,"is_stable":false,"density":3.45617,"nelements":3},{"mp_id":"mp-850772","type":"HEA","formula":"Li8CoNi9O20","crystal_system":"Monoclinic","space_group":"Pm","formation_energy_per_atom":-1.38367,"is_stable":false,"density":4.60139,"nelements":4},{"mp_id":"mp-850867","type":"HEA","formula":"Li2Cr2NiO6","crystal_system":"Monoclinic","space_group":"C2\/m","formation_energy_per_atom":-1.94579,"is_stable":false,"density":4.14882,"nelements":4},{"mp_id":"mp-850902","type":"HEA","formula":"CrFe3Ni2(PO4)6","crystal_system":"Trigonal","space_group":"R3","formation_energy_per_atom":-2.24974,"is_stable":false,"density":3.42056,"nelements":5},{"mp_id":"mp-850943","type":"HEA","formula":"Li6TiNi3(PO4)6","crystal_system":"Triclinic","space_group":"P1","formation_energy_per_atom":-2.45286,"is_stable":false,"density":2.96272,"nelements":5},{"mp_id":"mp-850975","type":"HEA","formula":"Na4Ni2C4SO16","crystal_system":"Orthorhombic","space_group":"Fddd","formation_energy_per_atom":-1.80119,"is_stable":false,"density":2.65355,"nelements":5},{"mp_id":"mp-853","type":"TRA","formula":"ErNi5","crystal_system":"Hexagonal","space_group":"P6\/mmm","formation_energy_per_atom":-0.33645,"is_stable":true,"density":9.79546,"nelements":2},{"mp_id":"mp-8531","type":"HEA","formula":"Lu5Ni19B6","crystal_system":"Hexagonal","space_group":"P6\/mmm","formation_energy_per_atom":-0.50489,"is_stable":false,"density":9.6066,"nelements":3},{"mp_id":"mp-857284","type":"HEA","formula":"Li5V3(NiO5)2","crystal_system":"Triclinic","space_group":"P-1","formation_energy_per_atom":1.0688,"is_stable":false,"density":4.10569,"nelements":4},{"mp_id":"mp-859115","type":"HEA","formula":"LiNi(PO3)4","crystal_system":"Monoclinic","space_group":"C2\/c","formation_energy_per_atom":-2.35187,"is_stable":false,"density":2.71816,"nelements":4},{"mp_id":"mp-861","type":"TRA","formula":"Hf2Ni","crystal_system":"Tetragonal","space_group":"I4\/mcm","formation_energy_per_atom":-0.33118,"is_stable":false,"density":13.05335,"nelements":2},{"mp_id":"mp-861597","type":"HEA","formula":"Pr2Ni12As7","crystal_system":"Hexagonal","space_group":"P-6","formation_energy_per_atom":-0.51974,"is_stable":true,"density":8.53403,"nelements":3},{"mp_id":"mp-861608","type":"HEA","formula":"PrNiB4","crystal_system":"Tetragonal","space_group":"I4\/mmm","formation_energy_per_atom":-0.51009,"is_stable":true,"density":6.28454,"nelements":3}],"pagination":{"current_page":626,"per_page":20,"total_items":12774,"total_pages":639}},"meta":{"query_time_ms":77.01,"cached":false,"source":"sqlite_index"}}