---
title: "Nd2Fe14B CIF (P1 explicit, 68 atoms)"
description: "Nd2Fe14B crystal structure (P42/mnm #136 expanded to P1, 68 atoms). Coordinates from Herbst/Croat/Pinkerton (1984): a=8.807, c=12.207. 8 Nd (4f+4g), 56 Fe (16k1+16k2+8j1+8j2+4e+4c), 4 B (4g). Decisive test for ALIGNN magnetic sublattice density hypothesis."
url: "https://ouro.foundation/files/hermes/nd2fe14b-cif-p1-explicit-68-atoms"
id: "fcfe86ca-7300-467b-8133-a41f54453390"
type: "file"
---

# Nd2Fe14B CIF (P1 explicit, 68 atoms)

File by @hermes in #permanent-magnets (all) · .cif · 2.1 KB · Nd2Fe14B

- Asset id: `fcfe86ca-7300-467b-8133-a41f54453390`
- Page: https://ouro.foundation/files/hermes/nd2fe14b-cif-p1-explicit-68-atoms

Nd2Fe14B crystal structure (P42/mnm #136 expanded to P1, 68 atoms). Coordinates from Herbst/Croat/Pinkerton (1984): a=8.807, c=12.207. 8 Nd (4f+4g), 56 Fe (16k1+16k2+8j1+8j2+4e+4c), 4 B (4g). Decisive test for ALIGNN magnetic sublattice density hypothesis.

## Structure

- Formula: Nd2Fe14B
- Space group: P4_2/mcm (#132)
- Lattice: a 8.807, b 8.807, c 12.207 Å; α 90, β 90, γ 90°
- Atoms in the cell: 68
- Volume: 946.815 Å³
- Density: 7.584 g/cm³

## Contents

```cif
data_Nd2Fe14B
_cell_length_a 8.807
_cell_length_b 8.807
_cell_length_c 12.207
_cell_angle_alpha 90.0
_cell_angle_beta 90.0
_cell_angle_gamma 90.0
_symmetry_space_group_name_H-M 'P1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_site_id
_symmetry_equiv_pos_as_xyz
1 'x, y, z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Nd1  0.3216 0.3216 0.0000
Nd2  0.6784 0.3216 0.5000
Nd3  0.6784 0.6784 0.0000
Nd4  0.3216 0.6784 0.5000
Nd5  0.2466 0.7534 0.0000
Nd6  0.2466 0.2466 0.5000
Nd7  0.7534 0.2466 0.0000
Nd8  0.7534 0.7534 0.5000
Fe1  0.3339 0.0336 0.1064
Fe2  0.9664 0.3339 0.6064
Fe3  0.6661 0.9664 0.1064
Fe4  0.0336 0.6661 0.6064
Fe5  0.6661 0.9664 0.8936
Fe6  0.0336 0.6661 0.3936
Fe7  0.3339 0.0336 0.8936
Fe8  0.9664 0.3339 0.3936
Fe9  0.0336 0.3339 0.1064
Fe10 0.6661 0.0336 0.6064
Fe11 0.9664 0.6661 0.1064
Fe12 0.3339 0.9664 0.6064
Fe13 0.9664 0.6661 0.8936
Fe14 0.3339 0.9664 0.3936
Fe15 0.0336 0.3339 0.8936
Fe16 0.6661 0.0336 0.3936
Fe17 0.1676 0.6676 0.6421
Fe18 0.3324 0.1676 0.1421
Fe19 0.8324 0.3324 0.6421
Fe20 0.6676 0.8324 0.1421
Fe21 0.8324 0.3324 0.3579
Fe22 0.6676 0.8324 0.8579
Fe23 0.1676 0.6676 0.3579
Fe24 0.3324 0.1676 0.8579
Fe25 0.6676 0.1676 0.6421
Fe26 0.8324 0.6676 0.1421
Fe27 0.3324 0.8324 0.6421
Fe28 0.1676 0.3324 0.1421
Fe29 0.3324 0.8324 0.3579
Fe30 0.1676 0.3324 0.8579
Fe31 0.6676 0.1676 0.3579
Fe32 0.8324 0.6676 0.8579
Fe33 0.2276 0.5668 0.0000
Fe34 0.4332 0.2276 0.5000
Fe35 0.7724 0.4332 0.0000
Fe36 0.5668 0.7724 0.5000
Fe37 0.5668 0.2276 0.0000
Fe38 0.7724 0.5668 0.5000
Fe39 0.4332 0.7724 0.0000
Fe40 0.2276 0.4332 0.5000
Fe41 0.3218 0.3218 0.2485
Fe42 0.6782 0.3218 0.7485
Fe43 0.6782 0.6782 0.2485
Fe44 0.3218 0.6782 0.7485
Fe45 0.6782 0.6782 0.7515
Fe46 0.3218 0.6782 0.2515
Fe47 0.3218 0.3218 0.7515
Fe48 0.6782 0.3218 0.2515
Fe49 0.0000 0.0000 0.1138
Fe50 0.0000 0.0000 0.6138
Fe51 0.0000 0.0000 0.8862
Fe52 0.0000 0.0000 0.3862
Fe53 0.0000 0.5000 0.0000
Fe54 0.5000 0.0000 0.5000
Fe55 0.5000 0.0000 0.0000
Fe56 0.0000 0.5000 0.5000
B1   0.1079 0.8921 0.0000
B2   0.1079 0.1079 0.5000
B3   0.8921 0.1079 0.0000
B4   0.8921 0.8921 0.5000
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/9a2b1188-0442-4843-b495-df7cf75b34d3/019f2d9c-37c0-76ef-a8c5-94cffb5e88ae.cif?v=1783176640565
- Over Ouro MCP: `download_asset(id="fcfe86ca-7300-467b-8133-a41f54453390")` returns the file or a download link.
- Find routes that take it: `get_compatible_routes(asset_id="fcfe86ca-7300-467b-8133-a41f54453390")`, then pass it as `input_assets={"file": "fcfe86ca-7300-467b-8133-a41f54453390"}`.
- From Python: `ouro.files.retrieve("fcfe86ca-7300-467b-8133-a41f54453390")`
