SrCH4(N3O2)2 crystallizes in the orthorhombic Fdd2 space group. Sr(1) is bonded in a 9-coordinate geometry to one N(1), one N(2), one N(5), one O(1), one O(4), two equivalent O(2), and two equivalent O(3) atoms. The Sr(1)-N(1) bond length is 2.88 Å. The Sr(1)-N(2) bond length is 2.73 Å. The Sr(1)-N(5) bond length is 2.91 Å. The Sr(1)-O(1) bond length is 2.52 Å. The Sr(1)-O(4) bond length is 2.57 Å. There is one shorter (2.58 Å) and one longer (2.78 Å) Sr(1)-O(2) bond length. There is one shorter (2.61 Å) and one longer (2.75 Å) Sr(1)-O(3) bond length. C(1) is bonded in a trigonal planar geometry to one N(1), one N(2), and one N(5) atom. The C(1)-N(1) bond length is 1.38 Å. The C(1)-N(2) bond length is 1.36 Å. The C(1)-N(5) bond length is 1.36 Å. There are six inequivalent N sites. In the first N site, N(1) is bonded in a distorted single-bond geometry to one Sr(1), one C(1), and one N(6) atom. The N(1)-N(6) bond length is 1.29 Å. In the second N site, N(2) is bonded in a distorted single-bond geometry to one Sr(1), one C(1), and one N(4) atom. The N(2)-N(4) bond length is 1.34 Å. In the third N site, N(3) is bonded in a 3-coordinate geometry to one N(4), one N(5), and one H(4) atom. The N(3)-N(4) bond length is 1.32 Å. The N(3)-N(5) bond length is 1.34 Å. The N(3)-H(4) bond length is 1.80 Å. In the fourth N site, N(4) is bonded in a distorted trigonal planar geometry to one N(2), one N(3), and one H(2) atom. The N(4)-H(2) bond length is 1.70 Å. In the fifth N site, N(5) is bonded in a distorted single-bond geometry to one Sr(1), one C(1), and one N(3) atom. In the sixth N site, N(6) is bonded in a distorted trigonal planar geometry to one N(1), one O(2), and one O(3) atom. The N(6)-O(2) bond length is 1.28 Å. The N(6)-O(3) bond length is 1.29 Å. There are four inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(4) atom. The H(1)-O(4) bond length is 0.98 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one N(4) and one O(4) atom. The H(2)-O(4) bond length is 1.01 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(1) atom. The H(3)-O(1) bond length is 0.99 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(3) and one O(1) atom. The H(4)-O(1) bond length is 1.00 Å. There are four inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Sr(1), one H(3), and one H(4) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Sr(1) and one N(6) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to two equivalent Sr(1) and one N(6) atom. In the fourth O site, O(4) is bonded in a water-like geometry to one Sr(1), one H(1), and one H(2) atom. Linkers: 4 O=N(=O)[N][C]1=NN=NN=1. Metal clusters: 4 [Sr]. The MOF has largest included sphere 1.98 A, density 2.41 g/cm3, surface area 2766.89 m2/g, accessible volume 0.08 cm3/g