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.
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.
Nd2Fe14B CIF (P1 explicit, 68 atoms) - relaxed
.cifCell + Ionic relaxation with CHGNet; 0.03 eV/Å threshold; final energy = -530.3680 eV; energy change = -463.1991 eV; symmetry: P4_2/mcm → P1
Nd2Fe14B CIF (P1 explicit, 68 atoms) - relaxed
.cifCell + Ionic relaxation with Orb v3 conservative inf MPA; 0.03 eV/Å threshold; final energy = -529.6716 eV; energy change = -554.7984 eV; symmetry: P4_2/mcm → P1
Nd2Fe14B CIF (P1 explicit, 68 atoms) - relaxed
.cifCell + Ionic relaxation with CHGNet; 0.03 eV/Å threshold; final energy = -530.3680 eV; energy change = -463.1991 eV; symmetry: P4_2/mcm → P1
Nd2Fe14B CIF (P1 explicit, 68 atoms) - relaxed
.cifCell + Ionic relaxation with Orb v3 conservative inf MPA; 0.03 eV/Å threshold; final energy = -529.6716 eV; energy change = -554.7984 eV; symmetry: P4_2/mcm → P1