{"success":true,"data":{"mat_id":"agm002931673","formula":"Sr2MgNb2","summary":{"formula":"Sr2MgNb2","spg":139,"spg_symbol":"I4\/mmm","crystal_system":"tetragonal","point_group":"4\/mmm","nsites":5,"n_elements":3,"elements":["Sr","Nb","Mg"]},"energy":{"e_above_hull":1.0371817,"e_form":1.0078229,"energy_corrected":-20.074005,"energy_total":-20.0740042},"electronic":{"band_gap_ind":0.0507,"band_gap_dir":0.1135,"dos_ef":0.0525936},"magnetic":{"total_mag":0},"structure":{"a":4.57501252,"b":4.57501252,"c":8.07496641692028,"alpha":73.5437164120724,"beta":73.5437164120724,"gamma":90,"volume":154.85877919811446,"n_sites":5},"meta":{"prototype_id":"AB2C2_5_spg139","decomposition":" Sr  SrMg2  Nb ","run_timestamp":"2016-12-08 11:14:56"},"composition":{"Sr":2,"Nb":2,"Mg":1}}}