SrSi4C16H44(NO)2 is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one SrSi4C16H44(NO)2 cluster. Sr(1) is bonded in a distorted square co-planar geometry to two equivalent N(1) and two equivalent O(1) atoms. Both Sr(1)-N(1) bond lengths are 2.47 Å. Both Sr(1)-O(1) bond lengths are 2.51 Å. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one C(1), one C(2), one C(3), and one N(1) atom to form corner-sharing SiC3N tetrahedra. The Si(1)-C(1) bond length is 1.92 Å. The Si(1)-C(2) bond length is 1.89 Å. The Si(1)-C(3) bond length is 1.89 Å. The Si(1)-N(1) bond length is 1.70 Å. In the second Si site, Si(2) is bonded to one C(4), one C(5), one C(6), and one N(1) atom to form corner-sharing SiC3N tetrahedra. The Si(2)-C(4) bond length is 1.90 Å. The Si(2)-C(5) bond length is 1.89 Å. The Si(2)-C(6) bond length is 1.89 Å. The Si(2)-N(1) bond length is 1.70 Å. There are eight inequivalent C sites. In the first C site, C(1) is bonded to one Si(1), one H(1), one H(2), and one H(3) atom to form distorted corner-sharing CSiH3 tetrahedra. The C(1)-H(1) bond length is 1.10 Å. The C(1)-H(2) bond length is 1.11 Å. The C(1)-H(3) bond length is 1.10 Å. In the second C site, C(2) is bonded to one Si(1), one H(4), one H(5), and one H(6) atom to form corner-sharing CSiH3 tetrahedra. The C(2)-H(4) bond length is 1.10 Å. The C(2)-H(5) bond length is 1.10 Å. The C(2)-H(6) bond length is 1.10 Å. In the third C site, C(3) is bonded to one Si(1), one H(7), one H(8), and one H(9) atom to form corner-sharing CSiH3 tetrahedra. The C(3)-H(7) bond length is 1.10 Å. The C(3)-H(8) bond length is 1.10 Å. The C(3)-H(9) bond length is 1.10 Å. In the fourth C site, C(4) is bonded to one Si(2), one H(10), one H(11), and one H(12) atom to form corner-sharing CSiH3 tetrahedra. The C(4)-H(10) bond length is 1.10 Å. The C(4)-H(11) bond length is 1.10 Å. The C(4)-H(12) bond length is 1.10 Å. In the fifth C site, C(5) is bonded to one Si(2), one H(13), one H(14), and one H(15) atom to form corner-sharing CSiH3 tetrahedra. The C(5)-H(13) bond length is 1.10 Å. The C(5)-H(14) bond length is 1.10 Å. The C(5)-H(15) bond length is 1.10 Å. In the sixth C site, C(6) is bonded to one Si(2), one H(16), one H(17), and one H(18) atom to form corner-sharing CSiH3 tetrahedra. The C(6)-H(16) bond length is 1.10 Å. The C(6)-H(17) bond length is 1.10 Å. The C(6)-H(18) bond length is 1.10 Å. In the seventh C site, C(7) is bonded in a distorted trigonal non-coplanar geometry to one H(19), one H(20), and one O(1) atom. The C(7)-H(19) bond length is 1.10 Å. The C(7)-H(20) bond length is 1.10 Å. The C(7)-O(1) bond length is 1.45 Å. In the eighth C site, C(8) is bonded in a distorted trigonal non-coplanar geometry to one H(21), one H(22), and one O(1) atom. The C(8)-H(21) bond length is 1.10 Å. The C(8)-H(22) bond length is 1.10 Å. The C(8)-O(1) bond length is 1.45 Å. N(1) is bonded in a distorted trigonal planar geometry to one Sr(1), one Si(1), and one Si(2) atom. There are twenty-two 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(1) atom. In the third H site, H(3) is bonded in a single-bond geometry to one C(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one C(2) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(2) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(2) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(3) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(3) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(3) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(4) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(4) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(4) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(5) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(5) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(5) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(6) atom. In the seventeenth H site, H(17) is bonded in a single-bond geometry to one C(6) atom. In the eighteenth H site, H(18) is bonded in a single-bond geometry to one C(6) atom. In the nineteenth H site, H(19) is bonded in a single-bond geometry to one C(7) atom. In the twentieth H site, H(20) is bonded in a single-bond geometry to one C(7) atom. In the twenty-first H site, H(21) is bonded in a single-bond geometry to one C(8) atom. In the twenty-second H site, H(22) is bonded in a single-bond geometry to one C(8) atom. O(1) is bonded in a distorted trigonal planar geometry to one Sr(1), one C(7), and one C(8) atom. Linkers: 1 C1COCCO1. Metal clusters: 1 [Sr]. The MOF has largest included sphere 2.00 A, density 1.25 g/cm3, surface area 6574.32 m2/g, accessible volume 0.17 cm3/g