In2C15P3H12(NO4)3 crystallizes in the triclinic P-1 space group. There are three inequivalent In sites. In the first In site, In(1) is bonded to one N(1), one O(1), one O(2), one O(5), and one O(9) atom to form InNO4 square pyramids that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and corners with two equivalent P(1)O4 tetrahedra. The In(1)-N(1) bond length is 2.28 Å. The In(1)-O(1) bond length is 2.11 Å. The In(1)-O(2) bond length is 2.11 Å. The In(1)-O(5) bond length is 2.18 Å. The In(1)-O(9) bond length is 2.10 Å. In the second In site, In(2) is bonded to two equivalent N(2), two equivalent O(3), and two equivalent O(6) atoms to form InN2O4 octahedra that share corners with two equivalent P(1)O4 tetrahedra and corners with two equivalent P(2)O4 tetrahedra. Both In(2)-N(2) bond lengths are 2.28 Å. Both In(2)-O(3) bond lengths are 2.11 Å. Both In(2)-O(6) bond lengths are 2.11 Å. In the third In site, In(3) is bonded to two equivalent N(3), two equivalent O(10), and two equivalent O(7) atoms to form InN2O4 octahedra that share corners with two equivalent P(2)O4 tetrahedra and corners with two equivalent P(3)O4 tetrahedra. Both In(3)-N(3) bond lengths are 2.26 Å. Both In(3)-O(10) bond lengths are 2.13 Å. Both In(3)-O(7) bond lengths are 2.12 Å. There are fifteen inequivalent C sites. In the first C site, C(1) is bonded in a distorted trigonal planar geometry to one C(3), one N(1), and one H(1) atom. The C(1)-C(3) bond length is 1.39 Å. The C(1)-N(1) bond length is 1.35 Å. The C(1)-H(1) bond length is 1.14 Å. In the second C site, C(2) is bonded in a distorted trigonal planar geometry to one C(4), one N(1), and one H(2) atom. The C(2)-C(4) bond length is 1.39 Å. The C(2)-N(1) bond length is 1.34 Å. The C(2)-H(2) bond length is 1.14 Å. In the third C site, C(3) is bonded in a distorted trigonal planar geometry to one C(1), one C(5), and one H(3) atom. The C(3)-C(5) bond length is 1.37 Å. The C(3)-H(3) bond length is 1.14 Å. In the fourth C site, C(4) is bonded in a distorted single-bond geometry to one C(2), one C(5), and one H(4) atom. The C(4)-C(5) bond length is 1.43 Å. The C(4)-H(4) bond length is 1.14 Å. In the fifth C site, C(5) is bonded in a trigonal planar geometry to one C(3), one C(4), and one C(6) atom. The C(5)-C(6) bond length is 1.47 Å. In the sixth C site, C(6) is bonded in a trigonal planar geometry to one C(5), one C(7), and one C(8) atom. The C(6)-C(7) bond length is 1.42 Å. The C(6)-C(8) bond length is 1.38 Å. In the seventh C site, C(7) is bonded in a distorted single-bond geometry to one C(6) and one H(5) atom. The C(7)-H(5) bond length is 1.14 Å. In the eighth C site, C(8) is bonded in a distorted single-bond geometry to one C(10), one C(6), and one H(6) atom. The C(8)-C(10) bond length is 1.40 Å. The C(8)-H(6) bond length is 1.14 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one N(2) and one H(7) atom. The C(9)-N(2) bond length is 1.35 Å. The C(9)-H(7) bond length is 1.14 Å. In the tenth C site, C(10) is bonded in a distorted trigonal planar geometry to one C(8), one N(2), and one H(8) atom. The C(10)-N(2) bond length is 1.36 Å. The C(10)-H(8) bond length is 1.14 Å. In the eleventh C site, C(11) is bonded in a distorted trigonal planar geometry to one C(13), one N(3), and one H(9) atom. The C(11)-C(13) bond length is 1.38 Å. The C(11)-N(3) bond length is 1.37 Å. The C(11)-H(9) bond length is 1.14 Å. In the twelfth C site, C(12) is bonded in a distorted trigonal planar geometry to one C(14), one N(3), and one H(10) atom. The C(12)-C(14) bond length is 1.38 Å. The C(12)-N(3) bond length is 1.36 Å. The C(12)-H(10) bond length is 1.14 Å. In the thirteenth C site, C(13) is bonded in a distorted single-bond geometry to one C(11), one C(15), and one H(11) atom. The C(13)-C(15) bond length is 1.40 Å. The C(13)-H(11) bond length is 1.14 Å. In the fourteenth C site, C(14) is bonded in a distorted single-bond geometry to one C(12), one C(15), and one H(12) atom. The C(14)-C(15) bond length is 1.40 Å. The C(14)-H(12) bond length is 1.14 Å. In the fifteenth C site, C(15) is bonded in a trigonal planar geometry to one C(13), one C(14), and one C(15) atom. The C(15)-C(15) bond length is 1.50 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form PO4 tetrahedra that share  a cornercorner with one In(2)N2O4 octahedra and corners with two equivalent In(1)NO4 square pyramids. The corner-sharing octahedral tilt angles are 44°. The P(1)-O(1) bond length is 1.52 Å. The P(1)-O(2) bond length is 1.52 Å. The P(1)-O(3) bond length is 1.53 Å. The P(1)-O(4) bond length is 1.59 Å. In the second P site, P(2) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one In(2)N2O4 octahedra,  a cornercorner with one In(3)N2O4 octahedra, and  a cornercorner with one In(1)NO4 square pyramid. The corner-sharing octahedral tilt angles range from 21-25°. The P(2)-O(5) bond length is 1.54 Å. The P(2)-O(6) bond length is 1.50 Å. The P(2)-O(7) bond length is 1.50 Å. The P(2)-O(8) bond length is 1.59 Å. In the third P site, P(3) is bonded to one O(10), one O(11), one O(12), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one In(3)N2O4 octahedra and  a cornercorner with one In(1)NO4 square pyramid. The corner-sharing octahedral tilt angles are 39°. The P(3)-O(10) bond length is 1.50 Å. The P(3)-O(11) bond length is 1.58 Å. The P(3)-O(12) bond length is 1.56 Å. The P(3)-O(9) bond length is 1.51 Å. There are three inequivalent N sites. In the first N site, N(1) is bonded in a trigonal planar geometry to one In(1), one C(1), and one C(2) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one In(2), one C(10), and one C(9) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one In(3), one C(11), and one C(12) atom. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(2) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(4) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(8) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(9) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(10) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(11) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(12) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(13) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(14) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one In(1) and one P(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one In(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one In(2) and one P(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one P(1) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one In(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one In(2) and one P(2) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one In(3) and one P(2) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one P(2) atom. In the ninth O site, O(9) is bonded in a distorted bent 150 degrees geometry to one In(1) and one P(3) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one In(3) and one P(3) atom. In the eleventh O site, O(11) is bonded in a single-bond geometry to one P(3) atom. In the twelfth O site, O(12) is bonded in a single-bond geometry to one P(3) atom. Linkers: 3 c1cc(-c2ccncc2)ccn1. Metal clusters: 4 [In]. The MOF has largest included sphere 4.61 A, density 1.99 g/cm3, surface area 3097.43 m2/g, accessible volume 0.13 cm3/g