{"success":true,"data":{"mp_id":"mp-1971","type":"TRA","summary":{"formula":"HoCu","mp_id":"mp-1971","nelements":2,"is_stable":true,"nsites":2,"density":9.49698,"volume":39.94888,"a":3.41849,"b":3.41849,"c":3.41849,"alpha":90,"beta":90,"gamma":90,"space_group":"Pm-3m","space_group_num":221,"crystal_system":"Cubic","formation_energy_per_atom":-0.27659,"energy_per_atom":-22.14066,"energy_above_hull":0,"point_group":"m-3m","Bravais_Lattice":"cP","Bravais_Combination":"cP","packing_fraction":0.5236,"uncorrected_energy_per_atom":-22.14065867,"volume_per_atom":19.97444,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.30782,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":73.432,"g_vrh":32.372,"E_Calc(GPa)":84.673,"homogeneous_poisson":0.30782,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.186,"Lame_Lambda(GPa)":51.85066666666667,"Pugh_Ratio(K\/G)":2.2683800815519586,"Ductility":"Brittle","bulk_modulus":73.432,"shear_modulus":32.372,"debye_temperature":346.9,"sound_velocity":2064.3,"homogeneity":0.308},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":2.0e-5,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-1971","mp_task_ids":["aaacigmb","aaadsaeb","aaaeilll","aaaeuszz","aaafxgmk"]}}}