{"success":true,"data":{"mat_id":"agm023690280","formula":"K2Ca(MgSn)2","summary":{"formula":"K2Ca(MgSn)2","spg":166,"spg_symbol":"R-3m","crystal_system":"trigonal","point_group":"-3m","nsites":7,"n_elements":4,"elements":["K","Ca","Mg","Sn"]},"energy":{"e_above_hull":0.029771022,"e_form":-0.31219602,"energy_corrected":-17.586674,"energy_total":-17.58667284},"electronic":{"band_gap_ind":0,"band_gap_dir":0,"dos_ef":0.69587594},"magnetic":{"total_mag":-9.0e-7},"structure":{"a":12.779256167545173,"b":12.779256163567618,"c":12.779256162484113,"alpha":22.66914112959418,"beta":22.669141114842724,"gamma":22.66914114149668,"volume":271.96779424582985,"n_sites":7},"meta":{"prototype_id":"AB2C2D2_16_spg166","decomposition":" CaMgSn  K2MgSn ","run_timestamp":"2025-06-24 18:50:38"},"composition":{"K":2,"Ca":1,"Mg":2,"Sn":2}}}