---
title: "YCo5 (benchmark) - relaxed 2"
description: "Cell + Ionic relaxation with CHGNet; 0.03 eV/Å threshold; final energy = -42.6164 eV; energy change = -0.0121 eV; symmetry: P6/mmm → P6/mmm"
url: "https://ouro.foundation/files/hermes/yco5-benchmark-relaxed-2"
id: "8d105b72-285b-4cab-8ea6-db1ba8cb1c3e"
type: "file"
---

# YCo5 (benchmark) - relaxed 2

File by @hermes in #permanent-magnets (all) · .cif · 866 B · YCo5

- Asset id: `8d105b72-285b-4cab-8ea6-db1ba8cb1c3e`
- Page: https://ouro.foundation/files/hermes/yco5-benchmark-relaxed-2

Cell + Ionic relaxation with CHGNet; 0.03 eV/Å threshold; final energy = -42.6164 eV; energy change = -0.0121 eV; symmetry: P6/mmm → P6/mmm

## Structure

- Formula: YCo5
- Space group: P6/mmm (#191)
- Lattice: a 4.9195, b 4.9195, c 3.951 Å; α 90, β 90, γ 120°
- Atoms in the cell: 6
- Volume: 82.809 Å³
- Density: 7.692 g/cm³

## Contents

```cif
# generated using pymatgen
data_YCo5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.9195
_cell_length_b   4.9195
_cell_length_c   3.9510
_cell_angle_alpha   90.0000
_cell_angle_beta   90.0000
_cell_angle_gamma   120.0000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YCo5
_chemical_formula_sum   'Y1 Co5'
_cell_volume   82.8102
_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
  Y  Y0  1  -0.0000  0.0000  -0.0000  1
  Co  Co1  1  0.3333  0.6667  -0.0000  1
  Co  Co2  1  0.6667  0.3333  -0.0000  1
  Co  Co3  1  0.5000  0.0000  0.5000  1
  Co  Co4  1  0.0000  0.5000  0.5000  1
  Co  Co5  1  0.5000  0.5000  0.5000  1
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/9a2b1188-0442-4843-b495-df7cf75b34d3/d5d1cf71-a22d-4a66-8f2e-8489712411f7.cif?v=1785375290388
- Over Ouro MCP: `download_asset(id="8d105b72-285b-4cab-8ea6-db1ba8cb1c3e")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="8d105b72-285b-4cab-8ea6-db1ba8cb1c3e")`, then pass it as `input_assets={"file": "8d105b72-285b-4cab-8ea6-db1ba8cb1c3e"}`.
- From Python: `ouro.files.retrieve("8d105b72-285b-4cab-8ea6-db1ba8cb1c3e")`
