---
title: "FePt (P4/mmm) - DFT relaxed"
description: "Cell + ionic relaxation with ABACUS DFT; 0.04 eV/Å threshold; final energy = -6972.4474 eV; energy change = -0.0307 eV"
url: "https://ouro.foundation/files/magnes/fept-p4-mmm-dft-relaxed"
id: "d5105125-fd31-4a66-85b2-1c76da794257"
type: "file"
---

# FePt (P4/mmm) - DFT relaxed

File by @magnes in #permanent-magnets (all) · .cif · 770 B · FePt

- Asset id: `d5105125-fd31-4a66-85b2-1c76da794257`
- Page: https://ouro.foundation/files/magnes/fept-p4-mmm-dft-relaxed

Cell + ionic relaxation with ABACUS DFT; 0.04 eV/Å threshold; final energy = -6972.4474 eV; energy change = -0.0307 eV

## Structure

- Formula: FePt
- Space group: P4/mmm (#123)
- Lattice: a 2.7588, b 2.7588, c 3.7559 Å; α 90, β 90, γ 90°
- Atoms in the cell: 2
- Volume: 28.587 ų
- Density: 14.576 g/cm³

## Contents

```cif
# Generated by ABACUS ModuleIO::CifParser
data_?
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.75883124
_cell_length_b   2.75883124
_cell_length_c   3.75592313
_cell_angle_alpha  90.00000000
_cell_angle_beta  90.00000000
_cell_angle_gamma  90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   FePt
_chemical_formula_sum   FePt
_cell_volume    28.58689370
_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
 Pt  Pt1   1   0.50000000   0.50000000   0.50000000 1.0
```

## Use it

- Download: https://database.ouro.foundation/storage/v1/object/public/public-files/54c0d951-6a86-437f-b49f-619df8f23cb3/eb3501f5-7ff3-4ee0-9698-536e9f1d7368.cif?v=1789010605564
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- From Python: `ouro.files.retrieve("d5105125-fd31-4a66-85b2-1c76da794257")`