{"success":true,"data":{"mp_id":"mp-8780","type":"TRA","summary":{"formula":"Cr2N","mp_id":"mp-8780","nelements":2,"is_stable":false,"nsites":9,"density":6.87099,"volume":85.55181,"a":4.75137,"b":4.75137,"c":4.37584,"alpha":90.0005,"beta":89.99976,"gamma":120.00008,"space_group":"P-31m","space_group_num":162,"crystal_system":"Trigonal","formation_energy_per_atom":-0.25479,"energy_per_atom":-13.3466,"energy_above_hull":0.24467,"point_group":"-3m","Bravais_Lattice":"hP","Bravais_Combination":"hP","packing_fraction":0.7405,"uncorrected_energy_per_atom":-13.346603106666667,"volume_per_atom":9.50576,"c_over_a":0.92096,"b_over_a":1,"poisson_ratio":0.28871,"Is_FCC":0,"Is_BCC":0,"Is_HCP":1},"elasticity":{"k_vrh":288.234,"g_vrh":141.769,"E_Calc(GPa)":365.399,"homogeneous_poisson":0.28871,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":0.367,"Lame_Lambda(GPa)":193.7213333333333,"Pugh_Ratio(K\/G)":2.0331243078529155,"Ductility":"Brittle","bulk_modulus":288.234,"shear_modulus":141.769,"debye_temperature":711.9,"sound_velocity":5066.5,"homogeneity":0.289},"electronic":{"is_metal":true,"band_gap":0,"is_gap_direct":false,"cbm":null},"magnetic":{"is_magnetic":true,"total_magnetization":1.0e-5,"ordering":"Unknown","num_magnetic_sites":0,"total_mag_norm_vol":0},"refs":{"mp_url":"https:\/\/materialsproject.org\/materials\/mp-8780","mp_task_ids":["aaadmihv","aaadsptq","aaaeijsr","aaaeuntz","aaafdjds"]}}}