{"success":true,"data":{"mp_id":"mp-569404","type":"TRA","summary":{"formula":"Ni4B3","mp_id":"mp-569404","nelements":2,"is_stable":false,"nsites":14,"density":7.60656,"volume":116.66426,"a":3.98124,"b":3.98124,"c":7.7856,"alpha":80.58126,"beta":80.58126,"gamma":75.0562,"space_group":"C2\/c","space_group_num":15,"crystal_system":"Monoclinic","formation_energy_per_atom":-0.27518,"energy_per_atom":-10.27032,"energy_above_hull":0.00202,"point_group":"2\/m","Bravais_Lattice":"mC","Bravais_Combination":"mC","packing_fraction":null,"uncorrected_energy_per_atom":-10.270315142142858,"volume_per_atom":8.33316,"c_over_a":1.95557,"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":0,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-569404","mp_task_ids":["aaadndxb","aaadrlvn","aaaempvf","aaaeubwj","aaafixyw"]}}}