---
title: "Fe10SiGeB4: Orb-relaxed cell (I422)"
description: "Fe10SiGeB4, I422, Fe5SiB2 type with Si and Ge ordered on the 4a site. Built by substitution into a Materials Project prototype and relaxed with Orb v3 on Ouro. Energy above hull 7.5 meV/atom on the Orb v3 surface; no imaginary phonon modes; absent from MP, Alexandria, GNoME and COD. ML-only: not che"
url: "https://ouro.foundation/files/mmoderwell/fe10sigeb4-orb-relaxed-cell-i422"
id: "abebec6f-549f-4573-bb57-8041289dceff"
type: "file"
---

# Fe10SiGeB4: Orb-relaxed cell (I422)

File by @mmoderwell in #permanent-magnets (all) · .cif · 2.1 KB · Fe10SiGeB4

- Asset id: `abebec6f-549f-4573-bb57-8041289dceff`
- Page: https://ouro.foundation/files/mmoderwell/fe10sigeb4-orb-relaxed-cell-i422

Fe10SiGeB4, I422, Fe5SiB2 type with Si and Ge ordered on the 4a site. Built by substitution into a Materials Project prototype and relaxed with Orb v3 on Ouro. Energy above hull 7.5 meV/atom on the Orb v3 surface; no imaginary phonon modes; absent from MP, Alexandria, GNoME and COD. ML-only: not checked with DFT.

## Structure

- Formula: Fe10SiGeB4
- Space group: I422 (#97)
- Lattice: a 5.5388, b 5.5388, c 10.3609 Å; α 90, β 90, γ 90°
- Atoms in the cell: 32
- Volume: 317.854 Å³
- Density: 7.339 g/cm³

## Contents

```cif
# generated using pymatgen
data_Fe10SiGeB4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.538786
_cell_length_b   5.538780
_cell_length_c   10.360946
_cell_angle_alpha   89.999777
_cell_angle_beta   90.000384
_cell_angle_gamma   90.000325
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Fe10SiGeB4
_chemical_formula_sum   'Fe20 Si2 Ge2 B8'
_cell_volume   317.854272
_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
  Fe  Fe0  1  0.171733  0.337054  0.884558  1
  Fe  Fe1  1  0.662985  0.171699  0.884567  1
  Fe  Fe2  1  0.828241  0.663015  0.884522  1
  Fe  Fe3  1  0.337081  0.828322  0.884545  1
  Fe  Fe4  1  0.171781  0.663002  0.115432  1
  Fe  Fe5  1  0.663004  0.828192  0.115413  1
  Fe  Fe6  1  0.828278  0.337038  0.115456  1
  Fe  Fe7  1  0.336971  0.171708  0.115458  1
  Fe  Fe8  1  0.671733  0.837054  0.384558  1
  Fe  Fe9  1  0.162985  0.671699  0.384567  1
  Fe  Fe10  1  0.328241  0.163015  0.384522  1
  Fe  Fe11  1  0.837081  0.328322  0.384545  1
  Fe  Fe12  1  0.671781  0.163002  0.615432  1
  Fe  Fe13  1  0.163004  0.328192  0.615413  1
  Fe  Fe14  1  0.328278  0.837038  0.615456  1
  Fe  Fe15  1  0.836971  0.671708  0.615458  1
  Fe  Fe16  1  -0.000012  -0.000027  0.249509  1
  Fe  Fe17  1  0.000002  -0.000023  0.750531  1
  Fe  Fe18  1  0.499988  0.499973  0.749509  1
  Fe  Fe19  1  0.500002  0.499977  0.250531  1
  Si  Si20  1  -0.000006  -0.000037  0.499980  1
  Si  Si21  1  0.499994  0.499963  -0.000020  1
  Ge  Ge22  1  -0.000020  0.000006  -0.000007  1
  Ge  Ge23  1  0.499980  0.500006  0.499993  1
  B  B24  1  0.119916  0.380080  0.249996  1
  B  B25  1  0.619910  0.119924  0.250007  1
  B  B26  1  0.880060  0.619960  0.250021  1
  B  B27  1  0.380077  0.880086  0.250013  1
  B  B28  1  0.119910  0.619924  0.750007  1
  B  B29  1  0.619916  0.880080  0.749996  1
  B  B30  1  0.880077  0.380086  0.750013  1
  B  B31  1  0.380060  0.119960  0.750021  1
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/847f4445-78ee-41b1-913b-5bd155c71b13/01a1d2b8-849f-78dc-aa6f-a462310c7812.cif?v=1794536672007
- Over Ouro MCP: `download_asset(id="abebec6f-549f-4573-bb57-8041289dceff")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="abebec6f-549f-4573-bb57-8041289dceff")`, then pass it as `input_assets={"file": "abebec6f-549f-4573-bb57-8041289dceff"}`.
- From Python: `ouro.files.retrieve("abebec6f-549f-4573-bb57-8041289dceff")`
