La2Mn3Cu9P7 crystallizes in the hexagonal P-6 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 18-coordinate geometry to three equivalent Cu(1), three equivalent Cu(2), six equivalent Cu(3), and six equivalent P(2) atoms. In the second La site, La(2) is bonded in a 15-coordinate geometry to three equivalent Cu(3), six equivalent Cu(1), and six equivalent P(1) atoms. Mn(1) is bonded in a 12-coordinate geometry to one Cu(3), two equivalent Cu(1), four equivalent Cu(2), one P(2), two equivalent P(1), and two equivalent P(3) atoms. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one La(1), two equivalent La(2), two equivalent Mn(1), two equivalent P(1), and two equivalent P(2) atoms to form a mixture of distorted face and corner-sharing CuLa3Mn2P4 tetrahedra. In the second Cu site, Cu(2) is bonded in a 4-coordinate geometry to one La(1), four equivalent Mn(1), one P(1), one P(3), and two equivalent P(2) atoms. In the third Cu site, Cu(3) is bonded in a 4-coordinate geometry to one La(2), two equivalent La(1), one Mn(1), two equivalent P(1), and two equivalent P(2) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to two equivalent La(2), two equivalent Mn(1), one Cu(2), two equivalent Cu(1), and two equivalent Cu(3) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent La(1), one Mn(1), two equivalent Cu(1), two equivalent Cu(2), and two equivalent Cu(3) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to six equivalent Mn(1) and three equivalent Cu(2) atoms.
La2Mn3Cu9P7 crystallizes in the hexagonal P-6 space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 18-coordinate geometry to three equivalent Cu(1), three equivalent Cu(2), six equivalent Cu(3), and six equivalent P(2) atoms. All La(1)-Cu(1) bond lengths are 3.33 Å. All La(1)-Cu(2) bond lengths are 3.23 Å. All La(1)-Cu(3) bond lengths are 3.22 Å. All La(1)-P(2) bond lengths are 3.02 Å. In the second La site, La(2) is bonded in a 15-coordinate geometry to three equivalent Cu(3), six equivalent Cu(1), and six equivalent P(1) atoms. All La(2)-Cu(3) bond lengths are 3.26 Å. All La(2)-Cu(1) bond lengths are 3.19 Å. All La(2)-P(1) bond lengths are 2.99 Å. Mn(1) is bonded in a 12-coordinate geometry to one Cu(3), two equivalent Cu(1), four equivalent Cu(2), one P(2), two equivalent P(1), and two equivalent P(3) atoms. The Mn(1)-Cu(3) bond length is 2.77 Å. Both Mn(1)-Cu(1) bond lengths are 2.93 Å. There are two shorter (2.82 Å) and two longer (2.86 Å) Mn(1)-Cu(2) bond lengths. The Mn(1)-P(2) bond length is 2.41 Å. Both Mn(1)-P(1) bond lengths are 2.74 Å. Both Mn(1)-P(3) bond lengths are 2.62 Å. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one La(1), two equivalent La(2), two equivalent Mn(1), two equivalent P(1), and two equivalent P(2) atoms to form a mixture of distorted face and corner-sharing CuLa3Mn2P4 tetrahedra. There is one shorter (2.38 Å) and one longer (2.45 Å) Cu(1)-P(1) bond length. Both Cu(1)-P(2) bond lengths are 2.39 Å. In the second Cu site, Cu(2) is bonded in a 4-coordinate geometry to one La(1), four equivalent Mn(1), one P(1), one P(3), and two equivalent P(2) atoms. The Cu(2)-P(1) bond length is 2.33 Å. The Cu(2)-P(3) bond length is 2.29 Å. Both Cu(2)-P(2) bond lengths are 2.47 Å. In the third Cu site, Cu(3) is bonded in a 4-coordinate geometry to one La(2), two equivalent La(1), one Mn(1), two equivalent P(1), and two equivalent P(2) atoms. Both Cu(3)-P(1) bond lengths are 2.39 Å. There is one shorter (2.42 Å) and one longer (2.48 Å) Cu(3)-P(2) bond length. There are three inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to two equivalent La(2), two equivalent Mn(1), one Cu(2), two equivalent Cu(1), and two equivalent Cu(3) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent La(1), one Mn(1), two equivalent Cu(1), two equivalent Cu(2), and two equivalent Cu(3) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to six equivalent Mn(1) and three equivalent Cu(2) atoms.