{"success":true,"data":{"mp_id":"mp-642644","type":"TRA","summary":{"formula":"V2H","mp_id":"mp-642644","nelements":2,"is_stable":false,"nsites":3,"density":5.97856,"volume":28.57785,"a":2.65687,"b":2.65687,"c":4.42897,"alpha":83.90445,"beta":96.09555,"gamma":112.83827,"space_group":"C2\/m","space_group_num":12,"crystal_system":"Monoclinic","formation_energy_per_atom":-0.17059,"energy_per_atom":-10.71535,"energy_above_hull":6.0e-5,"point_group":"2\/m","Bravais_Lattice":"mC","Bravais_Combination":"mC","packing_fraction":null,"uncorrected_energy_per_atom":-10.715347170000001,"volume_per_atom":9.52595,"c_over_a":1.66699,"b_over_a":1,"poisson_ratio":0.39048,"Is_FCC":0,"Is_BCC":0,"Is_HCP":0},"elasticity":{"k_vrh":190.35,"g_vrh":44.977,"E_Calc(GPa)":125.079,"homogeneous_poisson":0.39048,"Vickers_Hard_Est(GPa)":null,"universal_anisotropy":7.091,"Lame_Lambda(GPa)":160.36533333333333,"Pugh_Ratio(K\/G)":4.232163105587301,"Ductility":"Brittle","bulk_modulus":190.35,"shear_modulus":44.977,"debye_temperature":436.8,"sound_velocity":3100.9,"homogeneity":0.39},"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-642644","mp_task_ids":["aaacilha","aaaegpvm","aaaeuqqq","aaafaiod","aaafjkcx"]}}}