---
title: "Gd2Fe14B (mp-1198327, P4_2/mnm)"
description: "Materials Project GGA structure of Gd2Fe14B (68-atom cell), unmodified. Ferrimagnet with the highest Tc of the R2Fe14B family (~661 K); lower Ms and anisotropy field than Nd2Fe14B."
url: "https://ouro.foundation/files/mmoderwell/gd2fe14b-mp-1198327-p4-2-mnm"
id: "6c2a41aa-d886-4a46-b09d-365256f1c460"
type: "file"
---

# Gd2Fe14B (mp-1198327, P4_2/mnm)

File by @mmoderwell in #permanent-magnets (all) · .cif · 3.9 KB · Gd2Fe14B

- Asset id: `6c2a41aa-d886-4a46-b09d-365256f1c460`
- Page: https://ouro.foundation/files/mmoderwell/gd2fe14b-mp-1198327-p4-2-mnm

Materials Project GGA structure of Gd2Fe14B (68-atom cell), unmodified. Ferrimagnet with the highest Tc of the R2Fe14B family (~661 K); lower Ms and anisotropy field than Nd2Fe14B.

## Structure

- Formula: Gd2Fe14B
- Space group: P4_2/mnm (#136)
- Lattice: a 8.7337, b 8.7337, c 11.9567 Å; α 90, β 90, γ 90°
- Atoms in the cell: 68
- Volume: 912.022 Å³
- Density: 8.063 g/cm³

## Contents

```cif
# generated using pymatgen
data_Gd2Fe14B
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.733682
_cell_length_b   8.733682
_cell_length_c   11.956676
_cell_angle_alpha   90.000000
_cell_angle_beta   90.000000
_cell_angle_gamma   90.000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Gd2Fe14B
_chemical_formula_sum   'Gd8 Fe56 B4'
_cell_volume   912.021674
_cell_formula_units_Z   4
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  0.235483  0.764517  0.500000  1.0
  Gd  Gd1  1  0.764517  0.235483  0.500000  1.0
  Gd  Gd2  1  0.264517  0.264517  -0.000000  1.0
  Gd  Gd3  1  0.735483  0.735483  -0.000000  1.0
  Gd  Gd4  1  0.643167  0.643167  0.500000  1.0
  Gd  Gd5  1  0.356833  0.356833  0.500000  1.0
  Gd  Gd6  1  0.856833  0.143167  -0.000000  1.0
  Gd  Gd7  1  0.143167  0.856833  -0.000000  1.0
  Fe  Fe8  1  -0.000000  0.500000  0.500000  1.0
  Fe  Fe9  1  0.500000  0.000000  0.000000  1.0
  Fe  Fe10  1  0.500000  0.000000  0.500000  1.0
  Fe  Fe11  1  -0.000000  0.500000  0.000000  1.0
  Fe  Fe12  1  0.500000  0.500000  0.114836  1.0
  Fe  Fe13  1  -0.000000  0.000000  0.614836  1.0
  Fe  Fe14  1  0.500000  0.500000  0.885164  1.0
  Fe  Fe15  1  -0.000000  0.000000  0.385164  1.0
  Fe  Fe16  1  0.183598  0.816402  0.253901  1.0
  Fe  Fe17  1  0.816402  0.183598  0.253901  1.0
  Fe  Fe18  1  0.316402  0.316402  0.753901  1.0
  Fe  Fe19  1  0.683598  0.683598  0.753901  1.0
  Fe  Fe20  1  0.816402  0.183598  0.746099  1.0
  Fe  Fe21  1  0.183598  0.816402  0.746099  1.0
  Fe  Fe22  1  0.683598  0.683598  0.246099  1.0
  Fe  Fe23  1  0.316402  0.316402  0.246099  1.0
  Fe  Fe24  1  0.402689  0.597311  0.298235  1.0
  Fe  Fe25  1  0.597311  0.402689  0.298235  1.0
  Fe  Fe26  1  0.097311  0.097311  0.798235  1.0
  Fe  Fe27  1  0.902689  0.902689  0.798235  1.0
  Fe  Fe28  1  0.597311  0.402689  0.701765  1.0
  Fe  Fe29  1  0.402689  0.597311  0.701765  1.0
  Fe  Fe30  1  0.902689  0.902689  0.201765  1.0
  Fe  Fe31  1  0.097311  0.097311  0.201765  1.0
  Fe  Fe32  1  0.141294  0.536188  0.324753  1.0
  Fe  Fe33  1  0.858706  0.463812  0.324753  1.0
  Fe  Fe34  1  0.358706  0.036188  0.824753  1.0
  Fe  Fe35  1  0.641294  0.963812  0.824753  1.0
  Fe  Fe36  1  0.858706  0.463812  0.675247  1.0
  Fe  Fe37  1  0.141294  0.536188  0.675247  1.0
  Fe  Fe38  1  0.641294  0.963812  0.175247  1.0
  Fe  Fe39  1  0.358706  0.036188  0.175247  1.0
  Fe  Fe40  1  0.536188  0.141294  0.324753  1.0
  Fe  Fe41  1  0.463812  0.858706  0.324753  1.0
  Fe  Fe42  1  0.036188  0.358706  0.824753  1.0
  Fe  Fe43  1  0.963812  0.641294  0.824753  1.0
  Fe  Fe44  1  0.463812  0.858706  0.675247  1.0
  Fe  Fe45  1  0.536188  0.141294  0.675247  1.0
  Fe  Fe46  1  0.963812  0.641294  0.175247  1.0
  Fe  Fe47  1  0.036188  0.358706  0.175247  1.0
  Fe  Fe48  1  0.934499  0.725317  0.373617  1.0
  Fe  Fe49  1  0.065501  0.274683  0.373617  1.0
  Fe  Fe50  1  0.565501  0.225317  0.873617  1.0
  Fe  Fe51  1  0.434499  0.774683  0.873617  1.0
  Fe  Fe52  1  0.065501  0.274683  0.626383  1.0
  Fe  Fe53  1  0.934499  0.725317  0.626383  1.0
  Fe  Fe54  1  0.434499  0.774683  0.126383  1.0
  Fe  Fe55  1  0.565501  0.225317  0.126383  1.0
  Fe  Fe56  1  0.725317  0.934499  0.373617  1.0
  Fe  Fe57  1  0.274683  0.065501  0.373617  1.0
  Fe  Fe58  1  0.225317  0.565501  0.873617  1.0
  Fe  Fe59  1  0.774683  0.434499  0.873617  1.0
  Fe  Fe60  1  0.274683  0.065501  0.626383  1.0
  Fe  Fe61  1  0.725317  0.934499  0.626383  1.0
  Fe  Fe62  1  0.774683  0.434499  0.126383  1.0
  Fe  Fe63  1  0.225317  0.565501  0.126383  1.0
  B  B64  1  0.874583  0.874583  0.500000  1.0
  B  B65  1  0.125417  0.125417  0.500000  1.0
  B  B66  1  0.625417  0.374583  -0.000000  1.0
  B  B67  1  0.374583  0.625417  -0.000000  1.0
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/847f4445-78ee-41b1-913b-5bd155c71b13/4e1760df-a8ae-469e-b52f-9987e17a0027.cif?v=1790637417762
- Over Ouro MCP: `download_asset(id="6c2a41aa-d886-4a46-b09d-365256f1c460")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="6c2a41aa-d886-4a46-b09d-365256f1c460")`, then pass it as `input_assets={"file": "6c2a41aa-d886-4a46-b09d-365256f1c460"}`.
- From Python: `ouro.files.retrieve("6c2a41aa-d886-4a46-b09d-365256f1c460")`
