---
title: "GdCo5 (mp-1077071, P6/mmm)"
description: "Materials Project GGA structure of CaCu5-type GdCo5, unmodified. Ferrimagnet: Gd antiparallel to Co, net ≈ 1.7 μB/f.u. at low T, Tc ≈ 1000 K. Made by arc melting; single crystals by floating zone."
url: "https://ouro.foundation/files/mmoderwell/gdco5-mp-1077071-p6-mmm"
id: "890ddfc5-4e0e-45d7-8657-56b4f379f549"
type: "file"
---

# GdCo5 (mp-1077071, P6/mmm)

File by @mmoderwell in #permanent-magnets (all) · .cif · 935 B · GdCo5

- Asset id: `890ddfc5-4e0e-45d7-8657-56b4f379f549`
- Page: https://ouro.foundation/files/mmoderwell/gdco5-mp-1077071-p6-mmm

Materials Project GGA structure of CaCu5-type GdCo5, unmodified. Ferrimagnet: Gd antiparallel to Co, net ≈ 1.7 μB/f.u. at low T, Tc ≈ 1000 K. Made by arc melting; single crystals by floating zone.

## Structure

- Formula: GdCo5
- Space group: P6/mmm (#191)
- Lattice: a 4.993, b 4.993, c 3.8572 Å; α 90, β 90, γ 120°
- Atoms in the cell: 6
- Volume: 83.277 Å³
- Density: 9.011 g/cm³

## Contents

```cif
# generated using pymatgen
data_GdCo5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.993027
_cell_length_b   4.993020
_cell_length_c   3.857160
_cell_angle_alpha   90.000000
_cell_angle_beta   90.000000
_cell_angle_gamma   119.999945
_symmetry_Int_Tables_number   1
_chemical_formula_structural   GdCo5
_chemical_formula_sum   'Gd1 Co5'
_cell_volume   83.277118
_cell_formula_units_Z   1
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  -0.000000  -0.000000  0.000000  1.0
  Co  Co1  1  0.666667  0.333334  -0.000000  1.0
  Co  Co2  1  0.333333  0.666666  -0.000000  1.0
  Co  Co3  1  0.500000  0.500000  0.500000  1.0
  Co  Co4  1  0.500000  -0.000000  0.500000  1.0
  Co  Co5  1  -0.000000  0.500000  0.500000  1.0
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/847f4445-78ee-41b1-913b-5bd155c71b13/f324f7a7-e5dd-4206-af72-f2a6ed258ae5.cif?v=1790637416790
- Over Ouro MCP: `download_asset(id="890ddfc5-4e0e-45d7-8657-56b4f379f549")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="890ddfc5-4e0e-45d7-8657-56b4f379f549")`, then pass it as `input_assets={"file": "890ddfc5-4e0e-45d7-8657-56b4f379f549"}`.
- From Python: `ouro.files.retrieve("890ddfc5-4e0e-45d7-8657-56b4f379f549")`
