{"success":true,"data":{"items":[{"mp_id":"mp-999539","type":"TRA","formula":"MnO","crystal_system":"Hexagonal","space_group":"P6_3mc","formation_energy_per_atom":-1.97402,"is_stable":false,"density":4.34991,"nelements":2},{"mp_id":"mp-999540","type":"TRA","formula":"MnSe","crystal_system":"Hexagonal","space_group":"P6_3mc","formation_energy_per_atom":-0.9499,"is_stable":true,"density":4.28191,"nelements":2},{"mp_id":"mp-999549","type":"ELA","formula":"WN2","crystal_system":"Hexagonal","space_group":"P-6m2","formation_energy_per_atom":-0.37027,"is_stable":false,"density":12.24245,"nelements":2}],"pagination":{"current_page":1026,"per_page":20,"total_items":20503,"total_pages":1026}},"meta":{"query_time_ms":91.54,"cached":false,"source":"sqlite_index"}}