NiH28(C7N2)4 is Indium-like structured and crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four NiH28(C7N2)4 clusters. Ni(1) is bonded in a rectangular see-saw-like geometry to one N(1), one N(4), one N(5), and one N(7) atom. The Ni(1)-N(1) bond length is 2.10 Å. The Ni(1)-N(4) bond length is 2.08 Å. The Ni(1)-N(5) bond length is 2.08 Å. The Ni(1)-N(7) bond length is 2.09 Å. There are twenty-eight inequivalent C sites. In the first C site, C(13) is bonded in a trigonal non-coplanar geometry to one C(12) and three equivalent H(11,12,13) atoms. The C(13)-C(12) bond length is 1.50 Å. All C(13)-H(11,12,13) bond lengths are 0.96 Å. In the second C site, C(15) is bonded in a trigonal planar geometry to one N(3), one N(4), and one H(15) atom. The C(15)-N(3) bond length is 1.34 Å. The C(15)-N(4) bond length is 1.31 Å. The C(15)-H(15) bond length is 0.93 Å. In the third C site, C(16) is bonded in a distorted bent 120 degrees geometry to one C(17), one N(3), and one H(16) atom. The C(16)-C(17) bond length is 1.34 Å. The C(16)-N(3) bond length is 1.37 Å. The C(16)-H(16) bond length is 0.93 Å. In the fourth C site, C(17) is bonded in a distorted bent 120 degrees geometry to one C(16), one N(4), and one H(17) atom. The C(17)-N(4) bond length is 1.37 Å. The C(17)-H(17) bond length is 0.93 Å. In the fifth C site, C(19) is bonded in a distorted single-bond geometry to one C(20) and one N(3) atom. The C(19)-C(20) bond length is 1.38 Å. The C(19)-N(3) bond length is 1.44 Å. In the sixth C site, C(20) is bonded in a trigonal planar geometry to one C(19), one C(21), and one C(25) atom. The C(20)-C(21) bond length is 1.39 Å. The C(20)-C(25) bond length is 1.51 Å. In the seventh C site, C(21) is bonded in a distorted single-bond geometry to one C(20) and one H(19) atom. The C(21)-H(19) bond length is 0.93 Å. In the eighth C site, C(25) is bonded in a trigonal non-coplanar geometry to one C(20) and three equivalent H(23,24,25) atoms. All C(25)-H(23,24,25) bond lengths are 0.96 Å. In the ninth C site, C(26) is bonded in a trigonal planar geometry to one N(1), one N(2), and one H(26) atom. The C(26)-N(1) bond length is 1.31 Å. The C(26)-N(2) bond length is 1.33 Å. The C(26)-H(26) bond length is 0.93 Å. In the tenth C site, C(27) is bonded in a 2-coordinate geometry to one C(28), one N(2), and one H(27) atom. The C(27)-C(28) bond length is 1.35 Å. The C(27)-N(2) bond length is 1.36 Å. The C(27)-H(27) bond length is 0.93 Å. In the eleventh C site, C(28) is bonded in a 3-coordinate geometry to one C(27), one N(1), and one H(28) atom. The C(28)-N(1) bond length is 1.36 Å. The C(28)-H(28) bond length is 0.93 Å. In the twelfth C site, C(18) is bonded in a distorted single-bond geometry to one C(23) and one H(18) atom. The C(18)-C(23) bond length is 1.39 Å. The C(18)-H(18) bond length is 0.93 Å. In the thirteenth C site, C(22) is bonded in a distorted single-bond geometry to one C(23) and one N(2) atom. The C(22)-C(23) bond length is 1.39 Å. The C(22)-N(2) bond length is 1.44 Å. In the fourteenth C site, C(14) is bonded in a single-bond geometry to one C(12) and one H(14) atom. The C(14)-C(12) bond length is 1.40 Å. The C(14)-H(14) bond length is 0.93 Å. In the fifteenth C site, C(23) is bonded in a trigonal planar geometry to one C(18), one C(22), and one C(24) atom. The C(23)-C(24) bond length is 1.51 Å. In the sixteenth C site, C(24) is bonded in a trigonal non-coplanar geometry to one C(23); one H(22); and two equivalent H(20,21) atoms. The C(24)-H(22) bond length is 0.96 Å. Both C(24)-H(20,21) bond lengths are 0.96 Å. In the seventeenth C site, C(1) is bonded in a distorted bent 120 degrees geometry to one N(6) and one H(1) atom. The C(1)-N(6) bond length is 1.37 Å. The C(1)-H(1) bond length is 0.93 Å. In the eighteenth C site, C(2) is bonded in a distorted bent 120 degrees geometry to one N(5) and one H(2,8) atom. The C(2)-N(5) bond length is 1.38 Å. The C(2)-H(2,8) bond length is 0.93 Å. In the nineteenth C site, C(3) is bonded in a trigonal planar geometry to one N(5), one N(6), and one H(3) atom. The C(3)-N(5) bond length is 1.31 Å. The C(3)-N(6) bond length is 1.34 Å. The C(3)-H(3) bond length is 0.93 Å. In the twentieth C site, C(4) is bonded in a distorted single-bond geometry to one C(6) and one N(6) atom. The C(4)-C(6) bond length is 1.38 Å. The C(4)-N(6) bond length is 1.43 Å. In the twenty-first C site, C(5) is bonded in a distorted single-bond geometry to one C(6) and one H(4) atom. The C(5)-C(6) bond length is 1.39 Å. The C(5)-H(4) bond length is 0.93 Å. In the twenty-second C site, C(6) is bonded in a trigonal planar geometry to one C(4), one C(5), and one C(7) atom. The C(6)-C(7) bond length is 1.49 Å. In the twenty-third C site, C(7) is bonded in a trigonal non-coplanar geometry to one C(6), one H(5), one H(6), and one H(7) atom. The C(7)-H(5) bond length is 0.96 Å. The C(7)-H(6) bond length is 0.96 Å. The C(7)-H(7) bond length is 0.96 Å. In the twenty-fourth C site, C(8) is bonded in a distorted bent 120 degrees geometry to one N(7) and one H(2,8) atom. The C(8)-N(7) bond length is 1.36 Å. The C(8)-H(2,8) bond length is 0.93 Å. In the twenty-fifth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one N(8) and one H(9) atom. The C(9)-N(8) bond length is 1.36 Å. The C(9)-H(9) bond length is 0.93 Å. In the twenty-sixth C site, C(10) is bonded in a trigonal planar geometry to one N(7), one N(8), and one H(10) atom. The C(10)-N(7) bond length is 1.31 Å. The C(10)-N(8) bond length is 1.34 Å. The C(10)-H(10) bond length is 0.93 Å. In the twenty-seventh C site, C(11) is bonded in a distorted single-bond geometry to one C(12) and one N(8) atom. The C(11)-C(12) bond length is 1.38 Å. The C(11)-N(8) bond length is 1.44 Å. In the twenty-eighth C site, C(12) is bonded in a trigonal planar geometry to one C(11), one C(13), and one C(14) atom. There are eight inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Ni(1), one C(26), and one C(28) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(22), one C(26), and one C(27) atom. In the third N site, N(3) is bonded in a trigonal planar geometry to one C(15), one C(16), and one C(19) atom. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one Ni(1), one C(15), and one C(17) atom. In the fifth N site, N(5) is bonded in a trigonal planar geometry to one Ni(1), one C(2), and one C(3) atom. In the sixth N site, N(6) is bonded in a trigonal planar geometry to one C(1), one C(3), and one C(4) atom. In the seventh N site, N(7) is bonded in a trigonal planar geometry to one Ni(1), one C(10), and one C(8) atom. In the eighth N site, N(8) is bonded in a trigonal planar geometry to one C(10), one C(11), and one C(9) atom. There are twenty-two inequivalent H sites. In the first H site, H(2,8) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(3) is bonded in a single-bond geometry to one C(3) atom. In the third H site, H(1) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(5) is bonded in a single-bond geometry to one C(7) atom. In the fifth H site, H(9) is bonded in a single-bond geometry to one C(9) atom. In the sixth H site, H(10) is bonded in a single-bond geometry to one C(10) atom. In the seventh H site, H(6) is bonded in a single-bond geometry to one C(7) atom. In the eighth H site, H(7) is bonded in a single-bond geometry to one C(7) atom. In the ninth H site, H(11,12,13) is bonded in a single-bond geometry to one C(13) atom. In the tenth H site, H(15) is bonded in a single-bond geometry to one C(15) atom. In the eleventh H site, H(16) is bonded in a single-bond geometry to one C(16) atom. In the twelfth H site, H(17) is bonded in a single-bond geometry to one C(17) atom. In the thirteenth H site, H(19) is bonded in a single-bond geometry to one C(21) atom. In the fourteenth H site, H(18) is bonded in a single-bond geometry to one C(18) atom. In the fifteenth H site, H(23,24,25) is bonded in a single-bond geometry to one C(25) atom. In the sixteenth H site, H(20,21) is bonded in a single-bond geometry to one C(24) atom. In the seventeenth H site, H(22) is bonded in a single-bond geometry to one C(24) atom. In the eighteenth H site, H(26) is bonded in a single-bond geometry to one C(26) atom. In the nineteenth H site, H(27) is bonded in a single-bond geometry to one C(27) atom. In the twentieth H site, H(28) is bonded in a single-bond geometry to one C(28) atom. In the twenty-first H site, H(4) is bonded in a single-bond geometry to one C(5) atom. In the twenty-second H site, H(14) is bonded in a single-bond geometry to one C(14) atom. Linkers: 8 Cc1cc(-n2ccnc2)c(C)cc1-n1ccnc1. Metal clusters: 4 [Ni]. The MOF has largest included sphere 6.69 A, density 0.77 g/cm3, surface area 5372.92 m2/g, accessible volume 0.69 cm3/g