{"success":true,"data":{"items":[{"mp_id":"mp-778","type":"TRA","formula":"Fe2P","crystal_system":"Hexagonal","space_group":"P-62m","formation_energy_per_atom":-0.45709,"is_stable":false,"density":7.23275,"nelements":2},{"mp_id":"mp-778217","type":"TRA","formula":"Fe2Co3O10","crystal_system":"Monoclinic","space_group":"Pm","formation_energy_per_atom":-1.08615,"is_stable":false,"density":4.33932,"nelements":3},{"mp_id":"mp-778512","type":"TRA","formula":"LiFeF4","crystal_system":"Orthorhombic","space_group":"Pnma","formation_energy_per_atom":-2.72613,"is_stable":false,"density":2.90026,"nelements":3},{"mp_id":"mp-779359","type":"TRA","formula":"Fe10O19F","crystal_system":"Triclinic","space_group":"P1","formation_energy_per_atom":-1.34799,"is_stable":false,"density":4.60439,"nelements":3},{"mp_id":"mp-780188","type":"TRA","formula":"Li6Fe5O12","crystal_system":"Monoclinic","space_group":"C2","formation_energy_per_atom":-1.80995,"is_stable":false,"density":3.92009,"nelements":3},{"mp_id":"mp-780216","type":"TRA","formula":"Li5Fe3O8","crystal_system":"Triclinic","space_group":"P1","formation_energy_per_atom":-1.84427,"is_stable":false,"density":3.75713,"nelements":3},{"mp_id":"mp-796259","type":"TRA","formula":"FeO2","crystal_system":"Orthorhombic","space_group":"Pnma","formation_energy_per_atom":-1.21812,"is_stable":false,"density":4.35823,"nelements":2},{"mp_id":"mp-799417","type":"TRA","formula":"Fe10O11","crystal_system":"Triclinic","space_group":"P-1","formation_energy_per_atom":-0.82337,"is_stable":false,"density":5.43302,"nelements":2},{"mp_id":"mp-821313","type":"TRA","formula":"FeO2","crystal_system":"Trigonal","space_group":"P-3m1","formation_energy_per_atom":-1.14801,"is_stable":false,"density":3.89862,"nelements":2},{"mp_id":"mp-8306","type":"TRA","formula":"Ba3FeN3","crystal_system":"Hexagonal","space_group":"P6_3\/m","formation_energy_per_atom":-0.71165,"is_stable":true,"density":5.28128,"nelements":3},{"mp_id":"mp-843","type":"TRA","formula":"Th2Fe17","crystal_system":"Trigonal","space_group":"R-3m","formation_energy_per_atom":-0.01792,"is_stable":false,"density":8.78476,"nelements":2},{"mp_id":"mp-849057","type":"TRA","formula":"FeS","crystal_system":"Trigonal","space_group":"P-3m1","formation_energy_per_atom":-0.48757,"is_stable":false,"density":5.6824,"nelements":2},{"mp_id":"mp-849695","type":"TRA","formula":"Li2FeO3","crystal_system":"Monoclinic","space_group":"C2\/m","formation_energy_per_atom":-1.82017,"is_stable":false,"density":3.81702,"nelements":3},{"mp_id":"mp-850009","type":"TRA","formula":"FeS2","crystal_system":"Monoclinic","space_group":"P2\/c","formation_energy_per_atom":-0.40937,"is_stable":false,"density":3.80429,"nelements":2},{"mp_id":"mp-850016","type":"TRA","formula":"Fe3S4","crystal_system":"Trigonal","space_group":"R-3m","formation_energy_per_atom":-0.58995,"is_stable":false,"density":4.55613,"nelements":2},{"mp_id":"mp-850032","type":"TRA","formula":"Fe3S4","crystal_system":"Monoclinic","space_group":"C2\/m","formation_energy_per_atom":-0.61958,"is_stable":false,"density":4.74684,"nelements":2},{"mp_id":"mp-850083","type":"TRA","formula":"Fe4S5","crystal_system":"Tetragonal","space_group":"P4","formation_energy_per_atom":-0.72527,"is_stable":false,"density":2.03081,"nelements":2},{"mp_id":"mp-850222","type":"TRA","formula":"FeO2","crystal_system":"Tetragonal","space_group":"P4_2\/mnm","formation_energy_per_atom":-1.2774,"is_stable":false,"density":4.61216,"nelements":2},{"mp_id":"mp-850249","type":"TRA","formula":"Fe4S5","crystal_system":"Monoclinic","space_group":"P2","formation_energy_per_atom":-0.72574,"is_stable":false,"density":2.02397,"nelements":2},{"mp_id":"mp-850411","type":"TRA","formula":"Fe7S8","crystal_system":"Monoclinic","space_group":"P2_1","formation_energy_per_atom":-0.61247,"is_stable":false,"density":5.42949,"nelements":2}],"pagination":{"current_page":229,"per_page":20,"total_items":4694,"total_pages":235}},"meta":{"query_time_ms":26.69,"cached":false,"source":"sqlite_index"}}