---
title: "FeCo (Pm-3m): Materials Project mp-2090"
description: "Crystal structure of FeCo (Pm-3m) from Materials Project (mp-2090), at its published PBE geometry. 2 atoms per cell. PBE energy above the hull: 0.0 meV/atom."
url: "https://ouro.foundation/files/mmoderwell/feco-pm-3m-materials-project-mp-2090"
id: "b68fda9f-9006-486b-ae64-718aea628434"
type: "file"
---

# FeCo (Pm-3m): Materials Project mp-2090

File by @mmoderwell in #materials-science (all) · .cif · 866 B · FeCo

- Asset id: `b68fda9f-9006-486b-ae64-718aea628434`
- Page: https://ouro.foundation/files/mmoderwell/feco-pm-3m-materials-project-mp-2090

Crystal structure of FeCo (Pm-3m) from Materials Project (mp-2090), at its published PBE geometry. 2 atoms per cell. PBE energy above the hull: 0.0 meV/atom.

## Structure

- Formula: FeCo
- Space group: Pm-3m (#221)
- Lattice: a 2.8434, b 2.8434, c 2.8434 Å; α 90, β 90, γ 90°
- Atoms in the cell: 2
- Volume: 22.99 ų
- Density: 8.29 g/cm³

## Contents

```cif
# Materials Project mp-2090, https://next-gen.materialsproject.org/materials/mp-2090
# License: CC-BY-4.0
# generated using pymatgen
data_FeCo
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.84344600
_cell_length_b   2.84344600
_cell_length_c   2.84344600
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   FeCo
_chemical_formula_sum   'Fe1 Co1'
_cell_volume   22.98978739
_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
  Fe  Fe0  1  0.00000000  0.00000000  0.00000000  1.0
  Co  Co1  1  0.50000000  0.50000000  0.50000000  1.0
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/847f4445-78ee-41b1-913b-5bd155c71b13/c172dc0a-f28e-4050-952c-0cab63376cb1.cif?v=1792539266899
- Over Ouro MCP: `download_asset(id="b68fda9f-9006-486b-ae64-718aea628434")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="b68fda9f-9006-486b-ae64-718aea628434")`, then pass it as `input_assets={"file": "b68fda9f-9006-486b-ae64-718aea628434"}`.
- From Python: `ouro.files.retrieve("b68fda9f-9006-486b-ae64-718aea628434")`