{"success":true,"data":{"mp_id":"mp-35539","type":"ELA","summary":{"formula":"Zn2GeSe4","mp_id":"mp-35539","nelements":3,"is_stable":false,"nsites":7,"density":5.02386,"volume":171.64368,"a":8.05614,"b":10.44592,"c":6.64975,"alpha":29.51628,"beta":52.71528,"gamma":39.53537,"space_group":"I-42m","space_group_num":121,"crystal_system":"Tetragonal","formation_energy_per_atom":-0.77917,"energy_per_atom":-3.79719,"energy_above_hull":0.01286,"point_group":"-42m","Bravais_Lattice":"tI","Bravais_Combination":"tI","packing_fraction":null,"uncorrected_energy_per_atom":-13.31501,"volume_per_atom":24.52053,"c_over_a":0.82543,"b_over_a":1.29664,"poisson_ratio":0.24985,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":34.738,"g_vrh":20.858,"E_Calc(GPa)":52.139,"homogeneous_poisson":0.25,"Vickers_Hard_Est(GPa)":3.51,"universal_anisotropy":0.876,"Lame_Lambda(GPa)":20.832666666666668,"Pugh_Ratio(K\/G)":1.6654521047080257,"Ductility":"Ductile","bulk_modulus":34.738,"shear_modulus":20.858,"debye_temperature":316.8,"sound_velocity":2262.1,"homogeneity":0.25},"electronic":{"is_metal":false,"band_gap":1.3978,"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-35539","mp_task_ids":["aaabnscd","aaacmzau","aaadvqku","aaaelmww","aaaepdzk","aaafbcld"]},"xrd":{"by_target":{"AgKa":{"radiation":"Ag Kα","wavelength":0.5609,"n_peaks":230,"three_strong":[10.0402,10.0411,10.0423]},"CoKa":{"radiation":"Co Kα","wavelength":1.7903,"n_peaks":75,"three_strong":[32.4372,32.4402,32.4443]},"CrKa":{"radiation":"Cr Kα","wavelength":2.291,"n_peaks":48,"three_strong":[41.8842,41.8881,41.8935]},"CuKa":{"radiation":"Cu Kα","wavelength":1.5418,"n_peaks":104,"three_strong":[27.8375,27.8401,27.8436]},"MoKa":{"radiation":"Mo Kα","wavelength":0.7107,"n_peaks":207,"three_strong":[12.7324,12.7335,12.7351]}}}}}