{"success":true,"data":{"mp_id":"mp-1189779","type":"TRA","summary":{"formula":"Pr2Ni7","mp_id":"mp-1189779","nelements":2,"is_stable":false,"nsites":18,"density":8.66579,"volume":265.45857,"a":4.99831,"b":4.99831,"c":12.60409,"alpha":78.56352,"beta":78.56352,"gamma":60,"space_group":"R-3m","space_group_num":166,"crystal_system":"Trigonal","formation_energy_per_atom":-0.27988,"energy_per_atom":-5.8412,"energy_above_hull":5.0e-5,"point_group":"-3m","Bravais_Lattice":"hR","Bravais_Combination":"hR","packing_fraction":null,"uncorrected_energy_per_atom":-5.841202059444445,"volume_per_atom":14.7477,"c_over_a":2.52167,"b_over_a":1,"poisson_ratio":null,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":null,"g_vrh":null,"E_Calc(GPa)":null,"homogeneous_poisson":null,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":null,"Lame_Lambda(GPa)":null,"Pugh_Ratio(K\/G)":null,"Ductility":null,"bulk_modulus":null,"shear_modulus":null,"debye_temperature":null,"sound_velocity":null,"homogeneity":null},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":2.3568,"ordering":"FM","num_magnetic_sites":13,"total_mag_norm_vol":0.00888},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1189779","mp_task_ids":["aaaeixsu"]}}}