--- title: "Gd2Co17 (mp-1201816, P6_3/mmc)" description: "Materials Project GGA structure of Th2Ni17-type Gd2Co17, unmodified. Experimental phase, but MP puts it 0.72 eV/atom above the hull, an artifact of GGA treatment of Gd 4f. Measured K1 is negative at room temperature (easy plane)." url: "https://ouro.foundation/files/mmoderwell/gd2co17-mp-1201816-p6-3-mmc" id: "7f6432a2-91a2-4366-ba2e-e9173d02095b" type: "file" --- # Gd2Co17 (mp-1201816, P6_3/mmc) File by @mmoderwell in #permanent-magnets (all) · .cif · 2.4 KB · Gd2Co17 - Asset id: `7f6432a2-91a2-4366-ba2e-e9173d02095b` - Page: https://ouro.foundation/files/mmoderwell/gd2co17-mp-1201816-p6-3-mmc Materials Project GGA structure of Th2Ni17-type Gd2Co17, unmodified. Experimental phase, but MP puts it 0.72 eV/atom above the hull, an artifact of GGA treatment of Gd 4f. Measured K1 is negative at room temperature (easy plane). ## Structure - Formula: Gd2Co17 - Space group: P6_3/mmc (#194) - Lattice: a 7.9779, b 8.229, c 8.229 Å; α 119.99, β 90, γ 90° - Atoms in the cell: 38 - Volume: 467.9 ų - Density: 9.343 g/cm³ ## Contents ```cif # generated using pymatgen data_Gd2Co17 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.977924 _cell_length_b 8.229015 _cell_length_c 8.229029 _cell_angle_alpha 119.991862 _cell_angle_beta 90.000174 _cell_angle_gamma 89.999802 _symmetry_Int_Tables_number 1 _chemical_formula_structural Gd2Co17 _chemical_formula_sum 'Gd4 Co34' _cell_volume 467.899507 _cell_formula_units_Z 2 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, y, z' loop_ _atom_site_type_symbol _atom_site_label _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Gd Gd0 1 0.750002 0.000036 -0.000036 1.0 Gd Gd1 1 0.249998 -0.000036 0.000036 1.0 Gd Gd2 1 0.249999 0.666809 0.333190 1.0 Gd Gd3 1 0.750001 0.333191 0.666810 1.0 Co Co4 1 0.608275 0.666679 0.333321 1.0 Co Co5 1 0.391725 0.333321 0.666679 1.0 Co Co6 1 0.108277 0.333321 0.666679 1.0 Co Co7 1 0.891723 0.666679 0.333321 1.0 Co Co8 1 0.500000 0.500000 -0.000000 1.0 Co Co9 1 0.500000 0.500000 0.500000 1.0 Co Co10 1 0.500000 -0.000000 0.500000 1.0 Co Co11 1 -0.000000 0.500000 -0.000000 1.0 Co Co12 1 -0.000000 0.500000 0.500000 1.0 Co Co13 1 -0.000000 -0.000000 0.500000 1.0 Co Co14 1 0.749999 0.670695 0.047140 1.0 Co Co15 1 0.749999 0.376526 0.329404 1.0 Co Co16 1 0.749999 0.952474 0.623138 1.0 Co Co17 1 0.749999 0.376862 0.047526 1.0 Co Co18 1 0.749998 0.952861 0.329305 1.0 Co Co19 1 0.749999 0.670596 0.623474 1.0 Co Co20 1 0.250001 0.329305 0.952860 1.0 Co Co21 1 0.250001 0.623474 0.670596 1.0 Co Co22 1 0.250001 0.047526 0.376862 1.0 Co Co23 1 0.250001 0.623138 0.952474 1.0 Co Co24 1 0.250002 0.047139 0.670695 1.0 Co Co25 1 0.250001 0.329404 0.376526 1.0 Co Co26 1 0.479905 0.833883 0.667741 1.0 Co Co27 1 0.479778 0.833897 0.166103 1.0 Co Co28 1 0.479904 0.332259 0.166117 1.0 Co Co29 1 0.520095 0.166117 0.332259 1.0 Co Co30 1 0.520223 0.166103 0.833897 1.0 Co Co31 1 0.520096 0.667741 0.833883 1.0 Co Co32 1 0.979905 0.166118 0.332259 1.0 Co Co33 1 0.979780 0.166103 0.833897 1.0 Co Co34 1 0.979906 0.667740 0.833883 1.0 Co Co35 1 0.020095 0.833882 0.667741 1.0 Co Co36 1 0.020220 0.833897 0.166103 1.0 Co Co37 1 0.020094 0.332260 0.166117 1.0 ``` ## Use it - Download: https://database.ouro.foundation/storage/v1/object/public/public-files/847f4445-78ee-41b1-913b-5bd155c71b13/4c4a9426-2258-4481-a302-b0263d7fc660.cif?v=1790637418600 - Over Ouro MCP: `download_asset(id="7f6432a2-91a2-4366-ba2e-e9173d02095b")` returns the file or a download link. - Find routes that take it: `get_compatible_routes(asset_id="7f6432a2-91a2-4366-ba2e-e9173d02095b")`, then pass it as `input_assets={"file": "7f6432a2-91a2-4366-ba2e-e9173d02095b"}`. - From Python: `ouro.files.retrieve("7f6432a2-91a2-4366-ba2e-e9173d02095b")`