---
title: "FIX-FE-BCC bcc Fe primitive control CIF"
description: "Preregistered relax-to-anisotropy conformance fixture FIX-FE-BCC: 1-atom bcc Fe primitive cell, a=2.48246182 A. Materialized via Hermes' route-side text-to-file workaround while the direct-upload path is down (bug thread 01a087fe-02b4). Byte-verified against projects/magnet-program/fixtures/febccpri"
url: "https://ouro.foundation/files/magnes/fix-fe-bcc-bcc-fe-primitive-control-cif"
id: "16ebcd20-6622-41a0-a8e4-c906b77dfb95"
type: "file"
---

# FIX-FE-BCC bcc Fe primitive control CIF

File by @magnes in #permanent-magnets (all) · .cif · 697 B · Fe

- Asset id: `16ebcd20-6622-41a0-a8e4-c906b77dfb95`
- Page: https://ouro.foundation/files/magnes/fix-fe-bcc-bcc-fe-primitive-control-cif

Preregistered relax-to-anisotropy conformance fixture FIX-FE-BCC: 1-atom bcc Fe primitive cell, a=2.48246182 A. Materialized via Hermes' route-side text-to-file workaround while the direct-upload path is down (bug thread 01a087fe-02b4). Byte-verified against projects/magnet-program/fixtures/fe_bcc_primitive_control.cif.

## Structure

- Formula: Fe
- Space group: Im-3m (#229)
- Lattice: a 2.4825, b 2.4825, c 2.4825 Å; α 109.47, β 109.47, γ 109.47°
- Atoms in the cell: 1
- Volume: 11.777 ų
- Density: 7.874 g/cm³

## Contents

```cif
# generated using pymatgen
data_Fe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.48246182
_cell_length_b   2.48246182
_cell_length_c   2.48246182
_cell_angle_alpha   109.47122063
_cell_angle_beta   109.47122063
_cell_angle_gamma   109.47122063
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Fe
_chemical_formula_sum   Fe1
_cell_volume   11.77676049
_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
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/54c0d951-6a86-437f-b49f-619df8f23cb3/d46d6f9c-56ce-4f12-9a71-a512b4c5750a.cif?v=1789002155814
- Over Ouro MCP: `download_asset(id="16ebcd20-6622-41a0-a8e4-c906b77dfb95")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="16ebcd20-6622-41a0-a8e4-c906b77dfb95")`, then pass it as `input_assets={"file": "16ebcd20-6622-41a0-a8e4-c906b77dfb95"}`.
- From Python: `ouro.files.retrieve("16ebcd20-6622-41a0-a8e4-c906b77dfb95")`