---
title: "Co hcp (benchmark)"
description: "hcp Co (2 atoms) for DFT magnet benchmark"
url: "https://ouro.foundation/files/mmoderwell/co-hcp-benchmark"
id: "5a8cc78c-5f28-4497-8992-006f58aa450c"
type: "file"
---

# Co hcp (benchmark)

File by @mmoderwell in #permanent-magnets (all) · .cif · 747 B · Co

- Asset id: `5a8cc78c-5f28-4497-8992-006f58aa450c`
- Page: https://ouro.foundation/files/mmoderwell/co-hcp-benchmark

hcp Co (2 atoms) for DFT magnet benchmark

## Structure

- Formula: Co
- Space group: P6_3/mmc (#194)
- Lattice: a 2.5071, b 2.5071, c 4.0695 Å; α 90, β 90, γ 120°
- Atoms in the cell: 2
- Volume: 22.152 ų
- Density: 8.835 g/cm³

## Contents

```cif
# generated using pymatgen
data_Co
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.50710000
_cell_length_b   2.50710000
_cell_length_c   4.06950000
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   120.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Co
_chemical_formula_sum   Co2
_cell_volume   22.15210485
_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
  Co  Co0  1  0.00000000  0.00000000  0.00000000  1
  Co  Co1  1  0.33333333  0.66666667  0.50000000  1
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/847f4445-78ee-41b1-913b-5bd155c71b13/019f5b8d-2a55-74a2-a7ae-34286134769b.cif?v=1783947406075
- Over Ouro MCP: `download_asset(id="5a8cc78c-5f28-4497-8992-006f58aa450c")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="5a8cc78c-5f28-4497-8992-006f58aa450c")`, then pass it as `input_assets={"file": "5a8cc78c-5f28-4497-8992-006f58aa450c"}`.
- From Python: `ouro.files.retrieve("5a8cc78c-5f28-4497-8992-006f58aa450c")`