SnC6P2H14(NO3)2 crystallizes in the monoclinic P2_1 space group. Sn(1) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(3), one O(4), and one O(6) atom. The Sn(1)-O(1) bond length is 2.26 Å. The Sn(1)-O(3) bond length is 2.34 Å. The Sn(1)-O(4) bond length is 2.17 Å. The Sn(1)-O(6) bond length is 2.12 Å. There are six inequivalent C sites. In the first C site, C(1) is bonded in a distorted tetrahedral geometry to one P(1), one N(1), one H(3), and one H(4) atom. The C(1)-P(1) bond length is 1.84 Å. The C(1)-N(1) bond length is 1.51 Å. The C(1)-H(3) bond length is 1.09 Å. The C(1)-H(4) bond length is 1.10 Å. In the second C site, C(2) is bonded in a 4-coordinate geometry to one C(3), one N(1), one H(5), and one H(6) atom. The C(2)-C(3) bond length is 1.51 Å. The C(2)-N(1) bond length is 1.50 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 in a 4-coordinate geometry to one C(2), one N(2), one H(7), and one H(8) atom. The C(3)-N(2) bond length is 1.50 Å. The C(3)-H(7) bond length is 1.10 Å. The C(3)-H(8) bond length is 1.10 Å. In the fourth C site, C(4) is bonded in a 4-coordinate geometry to one C(5), one N(2), one H(10), and one H(9) atom. The C(4)-C(5) bond length is 1.51 Å. The C(4)-N(2) bond length is 1.51 Å. The C(4)-H(10) bond length is 1.10 Å. The C(4)-H(9) bond length is 1.10 Å. In the fifth C site, C(5) is bonded in a 4-coordinate geometry to one C(4), one N(1), one H(11), and one H(12) atom. The C(5)-N(1) bond length is 1.50 Å. The C(5)-H(11) bond length is 1.10 Å. The C(5)-H(12) bond length is 1.09 Å. In the sixth C site, C(6) is bonded in a distorted tetrahedral geometry to one P(2), one N(2), one H(13), and one H(14) atom. The C(6)-P(2) bond length is 1.85 Å. The C(6)-N(2) bond length is 1.50 Å. The C(6)-H(13) bond length is 1.10 Å. The C(6)-H(14) bond length is 1.10 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded to one C(1), one O(1), one O(2), and one O(3) atom to form distorted PCO3 tetrahedra that share  a cornercorner with one N(1)HC3 tetrahedra. The P(1)-O(1) bond length is 1.56 Å. The P(1)-O(2) bond length is 1.51 Å. The P(1)-O(3) bond length is 1.54 Å. In the second P site, P(2) is bonded to one C(6), one O(4), one O(5), and one O(6) atom to form distorted PCO3 tetrahedra that share  a cornercorner with one N(2)HC3 tetrahedra. The P(2)-O(4) bond length is 1.55 Å. The P(2)-O(5) bond length is 1.51 Å. The P(2)-O(6) bond length is 1.56 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded to one C(1), one C(2), one C(5), and one H(1) atom to form distorted NHC3 tetrahedra that share  a cornercorner with one P(1)CO3 tetrahedra. The N(1)-H(1) bond length is 1.07 Å. In the second N site, N(2) is bonded to one C(3), one C(4), one C(6), and one H(2) atom to form distorted NHC3 tetrahedra that share  a cornercorner with one P(2)CO3 tetrahedra. The N(2)-H(2) bond length is 1.04 Å. There are fourteen inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one N(1) and one O(5) atom. The H(1)-O(5) bond length is 1.66 Å. In the second H site, H(2) is bonded in a single-bond geometry to one N(2) 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(1) 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(4) 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(5) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(5) atom. In the thirteenth H site, H(13) is bonded in a single-bond geometry to one C(6) atom. In the fourteenth H site, H(14) is bonded in a single-bond geometry to one C(6) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Sn(1) and one P(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 150 degrees geometry to one Sn(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Sn(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one P(2) and one H(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Sn(1) and one P(2) atom. Linkers: 2 [O]P(=O)(C[NH]1CC[NH](CC1)CP(=O)([O])[O])[O]. Metal clusters: 2 [Sn]. RCSR code: ths. The MOF has largest included sphere 1.40 A, density 2.37 g/cm3, surface area 2739.90 m2/g, accessible volume 0.06 cm3/g