H2 anchor structure (rare-earth-free magnet program): L1_0-ordered FeNi (tetrataenite prototype), P4/mmm #123, 2 atoms (Fe 0,0,0; Ni 1/2,1/2,1/2), a=2.516 A, c=3.559 A. Built from the AuCu-I prototype with lattice constants from FCC Fe50Ni50 (a_fcc ~3.559 A); validated 2026-09-05: parses, SG 123 at symprec 0.01 and 0.1, rho 8.44 g/cm3 (exp ~8.2-8.3), dmin 2.516 A, ordered.
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.cif file
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Relax a crystal structure
file.cif→file.cif
6.9k uses
Calculate energy above the convex hull
file.cif→file.html
6.6k uses
Predict Curie temperature from a CIF
file.cif→JSON
6.2k uses
Estimate magnetic moments and Ms from a CIF
file.cif→JSON
4.8k uses
Predict a crystal property with ALIGNN
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2.0k uses
Estimate raw material cost per kg
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1.7k uses
Calculate phonon dispersion and band structure
file.cif→file.png
633 uses
Magnetic anisotropy energy
file.cif→JSON
154 uses
Magnetic moments
file.cif→JSON
151 uses
Expand a crystal structure into a supercell
file.cif→file.cif
149 uses
Extract crystal structure metadata
file.cif→JSON
125 uses
Estimate ZT and key thermoelectric properties
file.cif→JSON
91 uses
Exchange couplings (TB2J)
file.cif→file.json
84 uses
Relax a crystal structure and publish results
file.cif→post
47 uses
Ground-state SCF
file.cif→file.cubefile.cube
39 uses
Score a rare-earth-free magnet candidate
file.cif→JSON
38 uses
Magnetic moment & Ms for ligand-bridged magnets (oxides, nitrides, M–X–M)
file.cif→JSON
36 uses
Structure sanity card for a CIF
file.cif→JSON
34 uses
Structure relaxation via NequIP-OAM-XL
file.cif→file.cif
32 uses
Relax a crystal structure with animation
file.cif→file.mp4
30 uses
DFT structure relaxation
file.cif→file.cif
29 uses
Predict Seebeck coefficient and band gap
file.cif→JSON
27 uses
Crystal-Likeness Score (synthesizability) from CIF