Mn3FeP4 is Modderite-derived structured and crystallizes in the monoclinic Pm space group. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one P(1), one P(2), two equivalent P(3), and two equivalent P(4) atoms. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one P(3), one P(4), two equivalent P(1), and two equivalent P(2) atoms. In the third Mn site, Mn(3) is bonded to one P(3), one P(4), two equivalent P(1), and two equivalent P(2) atoms to form distorted edge-sharing MnP6 octahedra. Fe(1) is bonded in a 6-coordinate geometry to one P(1), one P(2), two equivalent P(3), and two equivalent P(4) atoms. There are four inequivalent P sites. In the first P site, P(1) is bonded in a 6-coordinate geometry to one Mn(1), two equivalent Mn(2), two equivalent Mn(3), and one Fe(1) atom. In the second P site, P(2) is bonded in a 6-coordinate geometry to one Mn(1), two equivalent Mn(2), two equivalent Mn(3), and one Fe(1) atom. In the third P site, P(3) is bonded in a 6-coordinate geometry to one Mn(2), one Mn(3), two equivalent Mn(1), and two equivalent Fe(1) atoms. In the fourth P site, P(4) is bonded in a 6-coordinate geometry to one Mn(2), one Mn(3), two equivalent Mn(1), and two equivalent Fe(1) atoms.
Mn3FeP4 is Modderite-derived structured and crystallizes in the monoclinic Pm space group. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 6-coordinate geometry to one P(1), one P(2), two equivalent P(3), and two equivalent P(4) atoms. The Mn(1)-P(1) bond length is 2.24 Å. The Mn(1)-P(2) bond length is 2.36 Å. Both Mn(1)-P(3) bond lengths are 2.32 Å. Both Mn(1)-P(4) bond lengths are 2.32 Å. In the second Mn site, Mn(2) is bonded in a 6-coordinate geometry to one P(3), one P(4), two equivalent P(1), and two equivalent P(2) atoms. The Mn(2)-P(3) bond length is 2.42 Å. The Mn(2)-P(4) bond length is 2.31 Å. Both Mn(2)-P(1) bond lengths are 2.33 Å. Both Mn(2)-P(2) bond lengths are 2.41 Å. In the third Mn site, Mn(3) is bonded to one P(3), one P(4), two equivalent P(1), and two equivalent P(2) atoms to form distorted edge-sharing MnP6 octahedra. The Mn(3)-P(3) bond length is 2.32 Å. The Mn(3)-P(4) bond length is 2.40 Å. Both Mn(3)-P(1) bond lengths are 2.41 Å. Both Mn(3)-P(2) bond lengths are 2.31 Å. Fe(1) is bonded in a 6-coordinate geometry to one P(1), one P(2), two equivalent P(3), and two equivalent P(4) atoms. The Fe(1)-P(1) bond length is 2.38 Å. The Fe(1)-P(2) bond length is 2.22 Å. Both Fe(1)-P(3) bond lengths are 2.32 Å. Both Fe(1)-P(4) bond lengths are 2.34 Å. There are four inequivalent P sites. In the first P site, P(1) is bonded in a 6-coordinate geometry to one Mn(1), two equivalent Mn(2), two equivalent Mn(3), and one Fe(1) atom. In the second P site, P(2) is bonded in a 6-coordinate geometry to one Mn(1), two equivalent Mn(2), two equivalent Mn(3), and one Fe(1) atom. In the third P site, P(3) is bonded in a 6-coordinate geometry to one Mn(2), one Mn(3), two equivalent Mn(1), and two equivalent Fe(1) atoms. In the fourth P site, P(4) is bonded in a 6-coordinate geometry to one Mn(2), one Mn(3), two equivalent Mn(1), and two equivalent Fe(1) atoms.