DyC7PNH7O9 crystallizes in the orthorhombic P2_12_12_1 space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to one O(10), one O(11), one O(14), one O(5), one O(7), one O(8), and one O(9) atom to form distorted DyO7 pentagonal bipyramids that share  a cornercorner with one P(2)CO3 tetrahedra. The Dy(1)-O(10) bond length is 2.33 Å. The Dy(1)-O(11) bond length is 2.38 Å. The Dy(1)-O(14) bond length is 2.41 Å. The Dy(1)-O(5) bond length is 2.29 Å. The Dy(1)-O(7) bond length is 2.41 Å. The Dy(1)-O(8) bond length is 2.36 Å. The Dy(1)-O(9) bond length is 2.38 Å. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to one O(12), one O(13), one O(15), one O(16), one O(17), one O(18), one O(2), and one O(4) atom. The Dy(2)-O(12) bond length is 2.37 Å. The Dy(2)-O(13) bond length is 2.44 Å. The Dy(2)-O(15) bond length is 2.44 Å. The Dy(2)-O(16) bond length is 2.42 Å. The Dy(2)-O(17) bond length is 2.37 Å. The Dy(2)-O(18) bond length is 2.41 Å. The Dy(2)-O(2) bond length is 2.25 Å. The Dy(2)-O(4) bond length is 2.32 Å. There are fourteen inequivalent C sites. In the first C site, C(1) is bonded to one P(1); one N(1); and two equivalent H(5,6) atoms to form distorted corner-sharing CPH2N tetrahedra. The C(1)-P(1) bond length is 1.80 Å. The C(1)-N(1) bond length is 1.54 Å. Both C(1)-H(5,6) bond lengths are 0.97 Å. In the second C site, C(2) is bonded to one P(2); one N(1); and two equivalent H(7,8) atoms to form distorted corner-sharing CPH2N tetrahedra. The C(2)-P(2) bond length is 1.86 Å. The C(2)-N(1) bond length is 1.47 Å. Both C(2)-H(7,8) bond lengths are 0.97 Å. In the third C site, C(3) is bonded in a 3-coordinate geometry to one C(4); one N(1); and two equivalent H(9,10) atoms. The C(3)-C(4) bond length is 1.54 Å. The C(3)-N(1) bond length is 1.48 Å. Both C(3)-H(9,10) bond lengths are 0.97 Å. In the fourth C site, C(4) is bonded in a trigonal planar geometry to one C(3), one C(5), and one C(8) atom. The C(4)-C(5) bond length is 1.33 Å. The C(4)-C(8) bond length is 1.34 Å. In the fifth C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(11) atom. The C(5)-H(11) bond length is 0.93 Å. In the sixth C site, C(6) is bonded in a distorted single-bond geometry to one C(7) and one H(12) atom. The C(6)-C(7) bond length is 1.35 Å. The C(6)-H(12) bond length is 0.93 Å. In the seventh C site, C(7) is bonded in a distorted trigonal planar geometry to one C(6), one N(2), and one H(13) atom. The C(7)-N(2) bond length is 1.32 Å. The C(7)-H(13) bond length is 0.93 Å. In the eighth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(4), one N(2), and one H(14) atom. The C(8)-N(2) bond length is 1.37 Å. The C(8)-H(14) bond length is 0.93 Å. In the ninth C site, C(9) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. The C(9)-O(7) bond length is 1.25 Å. The C(9)-O(8) bond length is 1.26 Å. In the tenth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(9) atom. The C(10)-O(10) bond length is 1.27 Å. The C(10)-O(9) bond length is 1.21 Å. In the eleventh C site, C(11) is bonded in a distorted bent 120 degrees geometry to one O(11) and one O(12) atom. The C(11)-O(11) bond length is 1.23 Å. The C(11)-O(12) bond length is 1.25 Å. In the twelfth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one O(13) and one O(14) atom. The C(12)-O(13) bond length is 1.24 Å. The C(12)-O(14) bond length is 1.28 Å. In the thirteenth C site, C(13) is bonded in a distorted bent 120 degrees geometry to one O(15) and one O(16) atom. The C(13)-O(15) bond length is 1.24 Å. The C(13)-O(16) bond length is 1.24 Å. In the fourteenth C site, C(14) is bonded in a distorted bent 120 degrees geometry to one O(17) and one O(18) atom. The C(14)-O(17) bond length is 1.26 Å. The C(14)-O(18) bond length is 1.23 Å. There are two inequivalent P sites. In the first P site, P(1) is bonded in a distorted tetrahedral geometry to one C(1), one O(1), one O(2), and one O(3) atom. The P(1)-O(1) bond length is 1.43 Å. The P(1)-O(2) bond length is 1.47 Å. The P(1)-O(3) bond length is 1.58 Å. In the second P site, P(2) is bonded to one C(2), one O(4), one O(5), and one O(6) atom to form distorted PCO3 tetrahedra that share  a cornercorner with one Dy(1)O7 pentagonal bipyramid. The P(2)-O(4) bond length is 1.50 Å. The P(2)-O(5) bond length is 1.47 Å. The P(2)-O(6) bond length is 1.54 Å. There are two inequivalent N sites. In the first N site, N(1) is bonded in a distorted single-bond geometry to one C(1), one C(2), one C(3), and one H(3) atom. The N(1)-H(3) bond length is 0.91 Å. In the second N site, N(2) is bonded in a trigonal planar geometry to one C(7), one C(8), and one H(4) atom. The N(2)-H(4) bond length is 0.86 Å. There are eleven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(3) atom. The H(1)-O(3) bond length is 0.82 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(6) atom. The H(2)-O(6) bond length is 0.82 Å. In the third H site, H(3) is bonded in a single-bond geometry to one N(1) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one N(2) atom. In the fifth H site, H(5,6) is bonded in a single-bond geometry to one C(1) atom. In the sixth H site, H(7,8) is bonded in a single-bond geometry to one C(2) atom. In the seventh H site, H(9,10) is bonded in a single-bond geometry to one C(3) atom. In the eighth H site, H(11) is bonded in a single-bond geometry to one C(5) atom. In the ninth H site, H(12) is bonded in a single-bond geometry to one C(6) atom. In the tenth H site, H(13) is bonded in a single-bond geometry to one C(7) atom. In the eleventh H site, H(14) is bonded in a single-bond geometry to one C(8) atom. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one P(1) atom. In the second O site, O(2) is bonded in a distorted bent 150 degrees geometry to one Dy(2) and one P(1) atom. In the third O site, O(3) is bonded in a water-like geometry to one P(1) and one H(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Dy(2) and one P(2) atom. In the fifth O site, O(5) is bonded in a bent 150 degrees geometry to one Dy(1) and one P(2) atom. In the sixth O site, O(6) is bonded in a water-like geometry to one P(2) and one H(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(9) atom. In the eighth O site, O(8) is bonded in a bent 120 degrees geometry to one Dy(1) and one C(9) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Dy(1) and one C(10) atom. In the tenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(12) atom. In the eleventh O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Dy(2) and one C(13) atom. In the twelfth O site, O(16) is bonded in a distorted bent 120 degrees geometry to one Dy(2) and one C(13) atom. In the thirteenth O site, O(17) is bonded in a bent 120 degrees geometry to one Dy(2) and one C(14) atom. In the fourteenth O site, O(18) is bonded in a distorted bent 120 degrees geometry to one Dy(2) and one C(14) atom. In the fifteenth O site, O(10) is bonded in a bent 120 degrees geometry to one Dy(1) and one C(10) atom. In the sixteenth O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(11) atom. In the seventeenth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Dy(2) and one C(11) atom. In the eighteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one Dy(2) and one C(12) atom. Linkers: 4 [O]P(=O)(C[NH](CP(=O)(O)[O])CC1=CN[CH]C=C1)O ,11 [O]C(=O)C([O])=O. Metal clusters: 8 [Dy]. The MOF has largest included sphere 3.95 A, density 2.11 g/cm3, surface area 2766.47 m2/g, accessible volume 0.15 cm3/g