Dy2C14P2N2H16O19 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 in a 8-coordinate geometry to one O(10), one O(11), one O(14), one O(19), one O(5), one O(7), one O(8), and one O(9) atom. The Dy(1)-O(10) bond length is 2.35 Å. The Dy(1)-O(11) bond length is 2.39 Å. The Dy(1)-O(14) bond length is 2.45 Å. The Dy(1)-O(19) bond length is 2.45 Å. The Dy(1)-O(5) bond length is 2.22 Å. The Dy(1)-O(7) bond length is 2.41 Å. The Dy(1)-O(8) bond length is 2.40 Å. The Dy(1)-O(9) bond length is 2.35 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 2.40 Å. The Dy(2)-O(13) bond length is 2.42 Å. The Dy(2)-O(15) bond length is 2.40 Å. The Dy(2)-O(16) bond length is 2.44 Å. The Dy(2)-O(17) bond length is 2.35 Å. The Dy(2)-O(18) bond length is 2.38 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(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 1.28 Å. The C(13)-O(16) bond length is 1.26 Å. In the second 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 1.27 Å. The C(14)-O(18) bond length is 1.26 Å. In the third C site, C(1) is bonded to one P(1), one N(1), one H(7), and one H(8) atom to form distorted corner-sharing CPH2N tetrahedra. The C(1)-P(1) bond length is 1.83 Å. The C(1)-N(1) bond length is 1.50 Å. The C(1)-H(7) bond length is 1.10 Å. The C(1)-H(8) bond length is 1.10 Å. In the fourth C site, C(2) is bonded to one P(2), one N(1), one H(10), and one H(9) atom to form distorted corner-sharing CPH2N tetrahedra. The C(2)-P(2) bond length is 1.85 Å. The C(2)-N(1) bond length is 1.50 Å. The C(2)-H(10) bond length is 1.10 Å. The C(2)-H(9) bond length is 1.10 Å. In the fifth C site, C(3) is bonded in a 3-coordinate geometry to one C(4), one N(1), one H(11), and one H(12) atom. The C(3)-C(4) bond length is 1.50 Å. The C(3)-N(1) bond length is 1.52 Å. The C(3)-H(11) bond length is 1.10 Å. The C(3)-H(12) bond length is 1.09 Å. In the sixth 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 1.40 Å. The C(4)-C(8) bond length is 1.39 Å. In the seventh C site, C(5) is bonded in a distorted single-bond geometry to one C(4) and one H(13) atom. The C(5)-H(13) bond length is 1.09 Å. In the eighth C site, C(6) is bonded in a distorted single-bond geometry to one C(7) and one H(14) atom. The C(6)-C(7) bond length is 1.38 Å. The C(6)-H(14) bond length is 1.09 Å. In the ninth C site, C(7) is bonded in a distorted trigonal planar geometry to one C(6), one N(2), and one H(15) atom. The C(7)-N(2) bond length is 1.35 Å. The C(7)-H(15) bond length is 1.09 Å. In the tenth C site, C(8) is bonded in a distorted trigonal planar geometry to one C(4), one N(2), and one H(16) atom. The C(8)-N(2) bond length is 1.34 Å. The C(8)-H(16) bond length is 1.09 Å. In the eleventh 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 1.27 Å. The C(9)-O(8) bond length is 1.27 Å. In the twelfth 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 1.27 Å. In the thirteenth 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 1.25 Å. The C(11)-O(12) bond length is 1.28 Å. In the fourteenth 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 1.26 Å. The C(12)-O(14) bond length is 1.27 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 PCO3 tetrahedra that share  a cornercorner with one N(1)HC3 tetrahedra. The P(1)-O(1) bond length is 1.51 Å. The P(1)-O(2) bond length is 1.50 Å. The P(1)-O(3) bond length is 1.62 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 N(1)HC3 tetrahedra. The P(2)-O(4) bond length is 1.51 Å. The P(2)-O(5) bond length is 1.51 Å. The P(2)-O(6) bond length is 1.59 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(3), and one H(5) atom to form distorted NHC3 tetrahedra that share  a cornercorner with one P(1)CO3 tetrahedra and  a cornercorner with one P(2)CO3 tetrahedra. The N(1)-H(5) bond length is 1.08 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(6) atom. The N(2)-H(6) bond length is 1.07 Å. There are sixteen 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 0.98 Å. In the second H site, H(2) is bonded in a distorted single-bond geometry to one O(15) and one O(6) atom. The H(2)-O(15) bond length is 1.63 Å. The H(2)-O(6) bond length is 1.01 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(19) atom. The H(3)-O(19) bond length is 0.97 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(19) atom. The H(4)-O(19) bond length is 0.98 Å. In the fifth H site, H(5) is bonded in a distorted linear geometry to one N(1) and one O(12) atom. The H(5)-O(12) bond length is 1.60 Å. In the sixth H site, H(6) is bonded in a linear geometry to one N(2) and one O(1) atom. The H(6)-O(1) bond length is 1.52 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(1) atom. In the eighth H site, H(8) is bonded in a single-bond geometry to one C(1) atom. In the ninth H site, H(9) is bonded in a single-bond geometry to one C(2) atom. In the tenth H site, H(10) is bonded in a single-bond geometry to one C(2) atom. In the eleventh H site, H(11) is bonded in a single-bond geometry to one C(3) atom. In the twelfth H site, H(12) is bonded in a single-bond geometry to one C(3) 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(6) atom. In the fifteenth H site, H(15) is bonded in a single-bond geometry to one C(7) atom. In the sixteenth H site, H(16) is bonded in a single-bond geometry to one C(8) atom. There are nineteen inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one P(1) and one H(6) atom. In the second O site, O(2) is bonded in a linear geometry to one Dy(2) and one P(1) atom. In the third O site, O(3) is bonded in a bent 120 degrees 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 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 bent 120 degrees geometry to one Dy(1) and one C(10) atom. In the tenth O site, O(10) is bonded in a bent 120 degrees geometry to one Dy(1) and one C(10) atom. In the eleventh O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(11) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Dy(2), one C(11), and one H(5) atom. In the thirteenth O site, O(13) is bonded in a bent 120 degrees geometry to one Dy(2) and one C(12) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to one Dy(1) and one C(12) atom. In the fifteenth O site, O(15) is bonded in a distorted trigonal planar geometry to one Dy(2), one C(13), and one H(2) atom. In the sixteenth O site, O(16) is bonded in a distorted single-bond geometry to one Dy(2) and one C(13) atom. In the seventeenth O site, O(17) is bonded in a bent 120 degrees geometry to one Dy(2) and one C(14) atom. In the eighteenth O site, O(18) is bonded in a bent 120 degrees geometry to one Dy(2) and one C(14) atom. In the nineteenth O site, O(19) is bonded in a distorted water-like geometry to one Dy(1), one H(3), and one H(4) 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 3.77 A, density 2.19 g/cm3, surface area 2772.03 m2/g, accessible volume 0.13 cm3/g