La2CP is Magnesium tetraboride-derived structured and crystallizes in the triclinic P1 space group. There are sixteen inequivalent La sites. In the first La site, La(1) is bonded in a 7-coordinate geometry to one C(3), one C(5), one C(6), one P(4), one P(5), one P(6), and one P(7) atom. In the second La site, La(2) is bonded in a 7-coordinate geometry to one C(2), one C(4), one C(8), one P(2), one P(5), one P(6), and one P(7) atom. In the third La site, La(3) is bonded in a 4-coordinate geometry to one C(1), one C(2), one C(3), one C(6), one P(3), one P(5), and one P(6) atom. In the fourth La site, La(4) is bonded in a 5-coordinate geometry to one C(1), one C(3), one C(4), one P(1), one P(7), and one P(8) atom. In the fifth La site, La(5) is bonded in a 7-coordinate geometry to one C(1), one C(5), one P(1), one P(2), one P(3), one P(4), and one P(5) atom. In the sixth La site, La(6) is bonded in a 9-coordinate geometry to one C(2), one C(3), one C(4), one C(6), one C(7), one C(8), one P(6), one P(7), and one P(8) atom. In the seventh La site, La(7) is bonded in a 7-coordinate geometry to one C(7), one C(8), one P(1), one P(2), one P(4), one P(7), and one P(8) atom. In the eighth La site, La(8) is bonded in a 8-coordinate geometry to one C(1), one C(2), one C(4), one C(5), one P(2), one P(3), one P(6), and one P(8) atom. In the ninth La site, La(9) is bonded in a 6-coordinate geometry to one C(1), one C(6), one P(1), one P(3), one P(4), and one P(8) atom. In the tenth La site, La(10) is bonded in a 4-coordinate geometry to one C(2), one C(4), one C(7), one P(1), one P(2), one P(3), and one P(8) atom. In the eleventh La site, La(11) is bonded in a 6-coordinate geometry to one C(5), one P(2), one P(4), one P(6), one P(7), and one P(8) atom. In the twelfth La site, La(12) is bonded in a 6-coordinate geometry to one C(8), one P(2), one P(3), one P(4), one P(5), and one P(6) atom. In the thirteenth La site, La(13) is bonded in a 6-coordinate geometry to one C(2), one C(3), one C(7), one P(1), one P(3), and one P(5) atom. In the fourteenth La site, La(14) is bonded in a 4-coordinate geometry to one C(3), one C(8), one P(1), one P(4), one P(5), and one P(7) atom. In the fifteenth La site, La(15) is bonded in a 7-coordinate geometry to one C(1), one C(4), one C(5), one P(1), one P(2), one P(5), and one P(7) atom. In the sixteenth La site, La(16) is bonded in a 7-coordinate geometry to one C(6), one C(7), one C(8), one P(3), one P(4), one P(6), and one P(8) atom. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted pentagonal bipyramidal geometry to one La(15), one La(3), one La(4), one La(5), one La(8), one La(9), and one C(5) atom. In the second C site, C(2) is bonded in a 7-coordinate geometry to one La(10), one La(13), one La(2), one La(3), one La(6), one La(8), and one C(4) atom. In the third C site, C(3) is bonded in a 7-coordinate geometry to one La(1), one La(13), one La(14), one La(3), one La(4), one La(6), and one C(6) atom. In the fourth C site, C(4) is bonded in a 7-coordinate geometry to one La(10), one La(15), one La(2), one La(4), one La(6), one La(8), and one C(2) atom. In the fifth C site, C(5) is bonded in a 6-coordinate geometry to one La(1), one La(11), one La(15), one La(5), one La(8), and one C(1) atom. In the sixth C site, C(6) is bonded in a 6-coordinate geometry to one La(1), one La(16), one La(3), one La(6), one La(9), and one C(3) atom. In the seventh C site, C(7) is bonded in a 6-coordinate geometry to one La(10), one La(13), one La(16), one La(6), one La(7), and one C(8) atom. In the eighth C site, C(8) is bonded in a 7-coordinate geometry to one La(12), one La(14), one La(16), one La(2), one La(6), one La(7), and one C(7) atom. There are eight inequivalent P sites. In the first P site, P(1) is bonded in a 8-coordinate geometry to one La(10), one La(13), one La(14), one La(15), one La(4), one La(5), one La(7), and one La(9) atom. In the second P site, P(2) is bonded in a 8-coordinate geometry to one La(10), one La(11), one La(12), one La(15), one La(2), one La(5), one La(7), and one La(8) atom. In the third P site, P(3) is bonded in a 8-coordinate geometry to one La(10), one La(12), one La(13), one La(16), one La(3), one La(5), one La(8), and one La(9) atom. In the fourth P site, P(4) is bonded in a 8-coordinate geometry to one La(1), one La(11), one La(12), one La(14), one La(16), one La(5), one La(7), and one La(9) atom. In the fifth P site, P(5) is bonded in a 8-coordinate geometry to one La(1), one La(12), one La(13), one La(14), one La(15), one La(2), one La(3), and one La(5) atom. In the sixth P site, P(6) is bonded in a 8-coordinate geometry to one La(1), one La(11), one La(12), one La(16), one La(2), one La(3), one La(6), and one La(8) atom. In the seventh P site, P(7) is bonded in a 8-coordinate geometry to one La(1), one La(11), one La(14), one La(15), one La(2), one La(4), one La(6), and one La(7) atom. In the eighth P site, P(8) is bonded in a 8-coordinate geometry to one La(10), one La(11), one La(16), one La(4), one La(6), one La(7), one La(8), and one La(9) atom.
La2CP is Magnesium tetraboride-derived structured and crystallizes in the triclinic P1 space group. There are sixteen inequivalent La sites. In the first La site, La(1) is bonded in a 7-coordinate geometry to one C(3), one C(5), one C(6), one P(4), one P(5), one P(6), and one P(7) atom. The La(1)-C(3) bond length is 2.79 Å. The La(1)-C(5) bond length is 3.13 Å. The La(1)-C(6) bond length is 2.72 Å. The La(1)-P(4) bond length is 2.96 Å. The La(1)-P(5) bond length is 3.34 Å. The La(1)-P(6) bond length is 2.90 Å. The La(1)-P(7) bond length is 3.28 Å. In the second La site, La(2) is bonded in a 7-coordinate geometry to one C(2), one C(4), one C(8), one P(2), one P(5), one P(6), and one P(7) atom. The La(2)-C(2) bond length is 2.78 Å. The La(2)-C(4) bond length is 2.96 Å. The La(2)-C(8) bond length is 2.92 Å. The La(2)-P(2) bond length is 3.28 Å. The La(2)-P(5) bond length is 2.96 Å. The La(2)-P(6) bond length is 2.92 Å. The La(2)-P(7) bond length is 3.38 Å. In the third La site, La(3) is bonded in a 4-coordinate geometry to one C(1), one C(2), one C(3), one C(6), one P(3), one P(5), and one P(6) atom. The La(3)-C(1) bond length is 2.73 Å. The La(3)-C(2) bond length is 2.62 Å. The La(3)-C(3) bond length is 3.05 Å. The La(3)-C(6) bond length is 2.71 Å. The La(3)-P(3) bond length is 2.93 Å. The La(3)-P(5) bond length is 3.36 Å. The La(3)-P(6) bond length is 3.54 Å. In the fourth La site, La(4) is bonded in a 5-coordinate geometry to one C(1), one C(3), one C(4), one P(1), one P(7), and one P(8) atom. The La(4)-C(1) bond length is 2.78 Å. The La(4)-C(3) bond length is 2.75 Å. The La(4)-C(4) bond length is 2.84 Å. The La(4)-P(1) bond length is 2.93 Å. The La(4)-P(7) bond length is 2.95 Å. The La(4)-P(8) bond length is 3.41 Å. In the fifth La site, La(5) is bonded in a 7-coordinate geometry to one C(1), one C(5), one P(1), one P(2), one P(3), one P(4), and one P(5) atom. The La(5)-C(1) bond length is 2.87 Å. The La(5)-C(5) bond length is 2.67 Å. The La(5)-P(1) bond length is 3.33 Å. The La(5)-P(2) bond length is 2.91 Å. The La(5)-P(3) bond length is 3.19 Å. The La(5)-P(4) bond length is 2.94 Å. The La(5)-P(5) bond length is 3.43 Å. In the sixth La site, La(6) is bonded in a 9-coordinate geometry to one C(2), one C(3), one C(4), one C(6), one C(7), one C(8), one P(6), one P(7), and one P(8) atom. The La(6)-C(2) bond length is 2.74 Å. The La(6)-C(3) bond length is 2.74 Å. The La(6)-C(4) bond length is 3.09 Å. The La(6)-C(6) bond length is 2.85 Å. The La(6)-C(7) bond length is 2.71 Å. The La(6)-C(8) bond length is 3.08 Å. The La(6)-P(6) bond length is 3.42 Å. The La(6)-P(7) bond length is 3.42 Å. The La(6)-P(8) bond length is 3.31 Å. In the seventh La site, La(7) is bonded in a 7-coordinate geometry to one C(7), one C(8), one P(1), one P(2), one P(4), one P(7), and one P(8) atom. The La(7)-C(7) bond length is 2.76 Å. The La(7)-C(8) bond length is 2.71 Å. The La(7)-P(1) bond length is 3.33 Å. The La(7)-P(2) bond length is 2.98 Å. The La(7)-P(4) bond length is 3.42 Å. The La(7)-P(7) bond length is 2.90 Å. The La(7)-P(8) bond length is 3.24 Å. In the eighth La site, La(8) is bonded in a 8-coordinate geometry to one C(1), one C(2), one C(4), one C(5), one P(2), one P(3), one P(6), and one P(8) atom. The La(8)-C(1) bond length is 2.82 Å. The La(8)-C(2) bond length is 2.82 Å. The La(8)-C(4) bond length is 2.69 Å. The La(8)-C(5) bond length is 2.81 Å. The La(8)-P(2) bond length is 3.39 Å. The La(8)-P(3) bond length is 3.44 Å. The La(8)-P(6) bond length is 3.34 Å. The La(8)-P(8) bond length is 2.95 Å. In the ninth La site, La(9) is bonded in a 6-coordinate geometry to one C(1), one C(6), one P(1), one P(3), one P(4), and one P(8) atom. The La(9)-C(1) bond length is 2.71 Å. The La(9)-C(6) bond length is 2.85 Å. The La(9)-P(1) bond length is 2.90 Å. The La(9)-P(3) bond length is 3.37 Å. The La(9)-P(4) bond length is 2.97 Å. The La(9)-P(8) bond length is 2.94 Å. In the tenth La site, La(10) is bonded in a 4-coordinate geometry to one C(2), one C(4), one C(7), one P(1), one P(2), one P(3), and one P(8) atom. The La(10)-C(2) bond length is 3.04 Å. The La(10)-C(4) bond length is 2.67 Å. The La(10)-C(7) bond length is 2.61 Å. The La(10)-P(1) bond length is 2.95 Å. The La(10)-P(2) bond length is 2.98 Å. The La(10)-P(3) bond length is 3.32 Å. The La(10)-P(8) bond length is 3.51 Å. In the eleventh La site, La(11) is bonded in a 6-coordinate geometry to one C(5), one P(2), one P(4), one P(6), one P(7), and one P(8) atom. The La(11)-C(5) bond length is 2.58 Å. The La(11)-P(2) bond length is 3.29 Å. The La(11)-P(4) bond length is 3.22 Å. The La(11)-P(6) bond length is 2.97 Å. The La(11)-P(7) bond length is 2.93 Å. The La(11)-P(8) bond length is 3.01 Å. In the twelfth La site, La(12) is bonded in a 6-coordinate geometry to one C(8), one P(2), one P(3), one P(4), one P(5), and one P(6) atom. The La(12)-C(8) bond length is 2.71 Å. The La(12)-P(2) bond length is 2.94 Å. The La(12)-P(3) bond length is 2.94 Å. The La(12)-P(4) bond length is 3.29 Å. The La(12)-P(5) bond length is 3.27 Å. The La(12)-P(6) bond length is 2.95 Å. In the thirteenth La site, La(13) is bonded in a 6-coordinate geometry to one C(2), one C(3), one C(7), one P(1), one P(3), and one P(5) atom. The La(13)-C(2) bond length is 2.89 Å. The La(13)-C(3) bond length is 2.87 Å. The La(13)-C(7) bond length is 2.95 Å. The La(13)-P(1) bond length is 2.93 Å. The La(13)-P(3) bond length is 2.94 Å. The La(13)-P(5) bond length is 2.93 Å. In the fourteenth La site, La(14) is bonded in a 4-coordinate geometry to one C(3), one C(8), one P(1), one P(4), one P(5), and one P(7) atom. The La(14)-C(3) bond length is 2.62 Å. The La(14)-C(8) bond length is 2.67 Å. The La(14)-P(1) bond length is 3.37 Å. The La(14)-P(4) bond length is 2.94 Å. The La(14)-P(5) bond length is 2.97 Å. The La(14)-P(7) bond length is 3.44 Å. In the fifteenth La site, La(15) is bonded in a 7-coordinate geometry to one C(1), one C(4), one C(5), one P(1), one P(2), one P(5), and one P(7) atom. The La(15)-C(1) bond length is 2.92 Å. The La(15)-C(4) bond length is 2.68 Å. The La(15)-C(5) bond length is 2.66 Å. The La(15)-P(1) bond length is 3.41 Å. The La(15)-P(2) bond length is 3.45 Å. The La(15)-P(5) bond length is 2.93 Å. The La(15)-P(7) bond length is 3.00 Å. In the sixteenth La site, La(16) is bonded in a 7-coordinate geometry to one C(6), one C(7), one C(8), one P(3), one P(4), one P(6), and one P(8) atom. The La(16)-C(6) bond length is 2.64 Å. The La(16)-C(7) bond length is 2.80 Å. The La(16)-C(8) bond length is 3.00 Å. The La(16)-P(3) bond length is 2.94 Å. The La(16)-P(4) bond length is 3.29 Å. The La(16)-P(6) bond length is 3.46 Å. The La(16)-P(8) bond length is 2.92 Å. There are eight inequivalent C sites. In the first C site, C(1) is bonded in a distorted pentagonal bipyramidal geometry to one La(15), one La(3), one La(4), one La(5), one La(8), one La(9), and one C(5) atom. The C(1)-C(5) bond length is 1.37 Å. In the second C site, C(2) is bonded in a 7-coordinate geometry to one La(10), one La(13), one La(2), one La(3), one La(6), one La(8), and one C(4) atom. The C(2)-C(4) bond length is 1.37 Å. In the third C site, C(3) is bonded in a 7-coordinate geometry to one La(1), one La(13), one La(14), one La(3), one La(4), one La(6), and one C(6) atom. The C(3)-C(6) bond length is 1.37 Å. In the fourth C site, C(4) is bonded in a 7-coordinate geometry to one La(10), one La(15), one La(2), one La(4), one La(6), one La(8), and one C(2) atom. In the fifth C site, C(5) is bonded in a 6-coordinate geometry to one La(1), one La(11), one La(15), one La(5), one La(8), and one C(1) atom. In the sixth C site, C(6) is bonded in a 6-coordinate geometry to one La(1), one La(16), one La(3), one La(6), one La(9), and one C(3) atom. In the seventh C site, C(7) is bonded in a 6-coordinate geometry to one La(10), one La(13), one La(16), one La(6), one La(7), and one C(8) atom. The C(7)-C(8) bond length is 1.36 Å. In the eighth C site, C(8) is bonded in a 7-coordinate geometry to one La(12), one La(14), one La(16), one La(2), one La(6), one La(7), and one C(7) atom. There are eight inequivalent P sites. In the first P site, P(1) is bonded in a 8-coordinate geometry to one La(10), one La(13), one La(14), one La(15), one La(4), one La(5), one La(7), and one La(9) atom. In the second P site, P(2) is bonded in a 8-coordinate geometry to one La(10), one La(11), one La(12), one La(15), one La(2), one La(5), one La(7), and one La(8) atom. In the third P site, P(3) is bonded in a 8-coordinate geometry to one La(10), one La(12), one La(13), one La(16), one La(3), one La(5), one La(8), and one La(9) atom. In the fourth P site, P(4) is bonded in a 8-coordinate geometry to one La(1), one La(11), one La(12), one La(14), one La(16), one La(5), one La(7), and one La(9) atom. In the fifth P site, P(5) is bonded in a 8-coordinate geometry to one La(1), one La(12), one La(13), one La(14), one La(15), one La(2), one La(3), and one La(5) atom. In the sixth P site, P(6) is bonded in a 8-coordinate geometry to one La(1), one La(11), one La(12), one La(16), one La(2), one La(3), one La(6), and one La(8) atom. In the seventh P site, P(7) is bonded in a 8-coordinate geometry to one La(1), one La(11), one La(14), one La(15), one La(2), one La(4), one La(6), and one La(7) atom. In the eighth P site, P(8) is bonded in a 8-coordinate geometry to one La(10), one La(11), one La(16), one La(4), one La(6), one La(7), one La(8), and one La(9) atom.