{"success":true,"data":{"mp_id":"mp-7801","type":"ELA","summary":{"formula":"CaGeN2","mp_id":"mp-7801","nelements":3,"is_stable":true,"nsites":8,"density":4.42481,"volume":105.62708,"a":5.25029,"b":5.25029,"c":5.25029,"alpha":94.05218,"beta":117.68871,"gamma":117.68871,"space_group":"I-42d","space_group_num":122,"crystal_system":"Tetragonal","formation_energy_per_atom":-0.82077,"energy_per_atom":-10.61271,"energy_above_hull":0,"point_group":"-42m","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-10.61271,"volume_per_atom":13.20339,"c_over_a":1,"b_over_a":1,"poisson_ratio":0.30966,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":110.837,"g_vrh":48.326,"E_Calc(GPa)":126.581,"homogeneous_poisson":0.31,"Vickers_Hard_Est(GPa)":4.32,"universal_anisotropy":4.727,"Lame_Lambda(GPa)":78.61966666666666,"Pugh_Ratio(K\/G)":2.2935272937963003,"Ductility":"Brittle","bulk_modulus":110.837,"shear_modulus":48.326,"debye_temperature":465.4,"sound_velocity":3695.9,"homogeneity":0.31},"electronic":{"is_metal":false,"band_gap":2.6622,"is_gap_direct":true,"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-7801","mp_task_ids":["aaacmyto","aaadmkib","aaaelzrx","aaaemyeh","aaaeywhg","aaafjgqg","aaagbmqa"]},"xrd":{"by_target":{"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":23,"three_strong":[34.2435,32.9756,47.3276]}}}}}