{"success":true,"data":{"items":[{"mp_id":"mp-531942","type":"HEA","formula":"Li9Ni23O32","crystal_system":"Triclinic","space_group":"P1","formation_energy_per_atom":-1.35121,"is_stable":false,"density":5.5585,"nelements":3},{"mp_id":"mp-532510","type":"HEA","formula":"Al2NiO4","crystal_system":"Triclinic","space_group":"P1","formation_energy_per_atom":-2.63683,"is_stable":false,"density":4.38086,"nelements":3},{"mp_id":"mp-532552","type":"HEA","formula":"Na3ZrNi(PO4)3","crystal_system":"Triclinic","space_group":"P1","formation_energy_per_atom":-2.72532,"is_stable":false,"density":3.21079,"nelements":5},{"mp_id":"mp-5382","type":"HEA","formula":"Sc6Si7Ni16","crystal_system":"Cubic","space_group":"Fm-3m","formation_energy_per_atom":-0.76201,"is_stable":true,"density":6.38273,"nelements":3},{"mp_id":"mp-5383","type":"HEA","formula":"NdNiC2","crystal_system":"Orthorhombic","space_group":"Amm2","formation_energy_per_atom":-0.2554,"is_stable":true,"density":7.13393,"nelements":3},{"mp_id":"mp-540011","type":"HEA","formula":"Li2Ni(PO3)5","crystal_system":"Monoclinic","space_group":"Pc","formation_energy_per_atom":-2.43748,"is_stable":false,"density":2.61546,"nelements":4},{"mp_id":"mp-540059","type":"HEA","formula":"Li2Ni(PO4)2","crystal_system":"Monoclinic","space_group":"P2_1","formation_energy_per_atom":-2.19327,"is_stable":false,"density":3.06854,"nelements":4},{"mp_id":"mp-540199","type":"HEA","formula":"LiNi2(PO4)3","crystal_system":"Triclinic","space_group":"P-1","formation_energy_per_atom":-1.95391,"is_stable":false,"density":2.98442,"nelements":4},{"mp_id":"mp-540546","type":"TRA","formula":"Er3Ni2","crystal_system":"Trigonal","space_group":"R-3","formation_energy_per_atom":-0.38296,"is_stable":false,"density":9.68748,"nelements":2},{"mp_id":"mp-540679","type":"HEA","formula":"Ti4Ni2O","crystal_system":"Cubic","space_group":"Fd-3m","formation_energy_per_atom":-0.55296,"is_stable":false,"density":5.87784,"nelements":3},{"mp_id":"mp-540747","type":"HEA","formula":"Nb3SiNi2","crystal_system":"Cubic","space_group":"Fd-3m","formation_energy_per_atom":-0.3952,"is_stable":false,"density":7.9888,"nelements":3},{"mp_id":"mp-540772","type":"HEA","formula":"Er2Ni12P7","crystal_system":"Hexagonal","space_group":"P-6","formation_energy_per_atom":-0.77149,"is_stable":true,"density":8.22485,"nelements":3},{"mp_id":"mp-540907","type":"HEA","formula":"Ba3NiIr2O9","crystal_system":"Hexagonal","space_group":"P6_3\/mmc","formation_energy_per_atom":-2.04897,"is_stable":true,"density":7.86803,"nelements":4},{"mp_id":"mp-540986","type":"HEA","formula":"Nd2Ni7P4","crystal_system":"Orthorhombic","space_group":"Pmn2_1","formation_energy_per_atom":-0.84471,"is_stable":true,"density":7.65891,"nelements":3},{"mp_id":"mp-540991","type":"HEA","formula":"BaNi9As5","crystal_system":"Hexagonal","space_group":"P6_3\/mmc","formation_energy_per_atom":-0.45847,"is_stable":true,"density":7.91852,"nelements":3},{"mp_id":"mp-541010","type":"HEA","formula":"Li2Ni12P7","crystal_system":"Hexagonal","space_group":"P-6","formation_energy_per_atom":-0.60166,"is_stable":true,"density":6.40168,"nelements":3},{"mp_id":"mp-541070","type":"HEA","formula":"Ta2NiSe5","crystal_system":"Orthorhombic","space_group":"Cmcm","formation_energy_per_atom":-1.02491,"is_stable":true,"density":7.29922,"nelements":3},{"mp_id":"mp-541124","type":"HEA","formula":"Y6Ni20P13","crystal_system":"Hexagonal","space_group":"P-6","formation_energy_per_atom":-0.90549,"is_stable":true,"density":6.73593,"nelements":3},{"mp_id":"mp-541183","type":"HEA","formula":"Ta2NiSe7","crystal_system":"Monoclinic","space_group":"C2\/m","formation_energy_per_atom":-0.92626,"is_stable":false,"density":7.05336,"nelements":3},{"mp_id":"mp-541294","type":"HEA","formula":"SrNi9P5","crystal_system":"Hexagonal","space_group":"P6_3\/mmc","formation_energy_per_atom":-0.68389,"is_stable":true,"density":6.63354,"nelements":3}],"pagination":{"current_page":573,"per_page":20,"total_items":12774,"total_pages":639}},"meta":{"query_time_ms":69.58,"cached":false,"source":"sqlite_index"}}