MnC2O4(HOCH2CH2OH) crystallizes in the triclinic P-1 space group. The structure consists of twelve 02329_fluka molecules inside a MnH4(CO3)2 framework. In the MnH4(CO3)2 framework, there are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in an octahedral geometry to one O(1), one O(12), one O(14), one O(16), one O(4), and one O(7) atom. The Mn(1)-O(1) bond length is 2.27 Å. The Mn(1)-O(12) bond length is 2.16 Å. The Mn(1)-O(14) bond length is 2.13 Å. The Mn(1)-O(16) bond length is 2.14 Å. The Mn(1)-O(4) bond length is 2.23 Å. The Mn(1)-O(7) bond length is 2.18 Å. In the second Mn site, Mn(2) is bonded in an octahedral geometry to one O(10), one O(15), one O(17), one O(2), one O(5), and one O(8) atom. The Mn(2)-O(10) bond length is 2.17 Å. The Mn(2)-O(15) bond length is 2.13 Å. The Mn(2)-O(17) bond length is 2.15 Å. The Mn(2)-O(2) bond length is 2.27 Å. The Mn(2)-O(5) bond length is 2.23 Å. The Mn(2)-O(8) bond length is 2.18 Å. In the third Mn site, Mn(3) is bonded in an octahedral geometry to one O(11), one O(13), one O(18), one O(3), one O(6), and one O(9) atom. The Mn(3)-O(11) bond length is 2.16 Å. The Mn(3)-O(13) bond length is 2.15 Å. The Mn(3)-O(18) bond length is 2.16 Å. The Mn(3)-O(3) bond length is 2.26 Å. The Mn(3)-O(6) bond length is 2.22 Å. The Mn(3)-O(9) bond length is 2.17 Å. There are six inequivalent C sites. In the first C site, C(7) is bonded in a distorted bent 120 degrees geometry to one O(10) and one O(7) atom. The C(7)-O(10) bond length is 1.27 Å. The C(7)-O(7) bond length is 1.28 Å. In the second C site, C(8) is bonded in a distorted bent 120 degrees geometry to one O(11) and one O(8) atom. The C(8)-O(11) bond length is 1.27 Å. The C(8)-O(8) bond length is 1.28 Å. In the third C site, C(9) is bonded in a distorted bent 120 degrees geometry to one O(12) and one O(9) atom. The C(9)-O(12) bond length is 1.27 Å. The C(9)-O(9) bond length is 1.28 Å. In the fourth C site, C(10) is bonded in a distorted bent 120 degrees geometry to one O(13) and one O(16) atom. The C(10)-O(13) bond length is 1.26 Å. The C(10)-O(16) bond length is 1.28 Å. In the fifth C site, C(11) is bonded in a distorted bent 120 degrees geometry to one O(14) and one O(17) atom. The C(11)-O(14) bond length is 1.26 Å. The C(11)-O(17) bond length is 1.28 Å. In the sixth C site, C(12) is bonded in a distorted bent 120 degrees geometry to one O(15) and one O(18) atom. The C(12)-O(15) bond length is 1.26 Å. The C(12)-O(18) bond length is 1.28 Å. There are twelve inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(1) atom. The H(1)-O(1) bond length is 1.00 Å. In the second H site, H(2) is bonded in a single-bond geometry to one O(2) atom. The H(2)-O(2) bond length is 1.00 Å. In the third H site, H(3) is bonded in a single-bond geometry to one O(3) atom. The H(3)-O(3) bond length is 1.00 Å. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(1) atom. The H(4)-O(1) bond length is 1.00 Å. In the fifth H site, H(5) is bonded in a single-bond geometry to one O(2) atom. The H(5)-O(2) bond length is 1.00 Å. In the sixth H site, H(6) is bonded in a single-bond geometry to one O(3) atom. The H(6)-O(3) bond length is 1.00 Å. In the seventh H site, H(7) is bonded in a single-bond geometry to one O(4) atom. The H(7)-O(4) bond length is 1.00 Å. In the eighth H site, H(8) is bonded in a single-bond geometry to one O(5) atom. The H(8)-O(5) bond length is 1.00 Å. In the ninth H site, H(9) is bonded in a single-bond geometry to one O(6) atom. The H(9)-O(6) bond length is 1.00 Å. In the tenth H site, H(10) is bonded in a single-bond geometry to one O(4) atom. The H(10)-O(4) bond length is 0.98 Å. In the eleventh H site, H(11) is bonded in a single-bond geometry to one O(5) atom. The H(11)-O(5) bond length is 0.98 Å. In the twelfth H site, H(12) is bonded in a single-bond geometry to one O(6) atom. The H(12)-O(6) bond length is 0.98 Å. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted water-like geometry to one Mn(1), one H(1), and one H(4) atom. In the second O site, O(2) is bonded in a distorted water-like geometry to one Mn(2), one H(2), and one H(5) atom. In the third O site, O(3) is bonded in a distorted water-like geometry to one Mn(3), one H(3), and one H(6) atom. In the fourth O site, O(4) is bonded in a distorted water-like geometry to one Mn(1), one H(10), and one H(7) atom. In the fifth O site, O(5) is bonded in a distorted water-like geometry to one Mn(2), one H(11), and one H(8) atom. In the sixth O site, O(6) is bonded in a distorted water-like geometry to one Mn(3), one H(12), and one H(9) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one C(7) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Mn(2) and one C(8) atom. In the ninth O site, O(9) is bonded in a distorted bent 120 degrees geometry to one Mn(3) and one C(9) atom. In the tenth O site, O(10) is bonded in a distorted bent 150 degrees geometry to one Mn(2) and one C(7) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Mn(3) and one C(8) atom. In the twelfth O site, O(12) is bonded in a distorted bent 150 degrees geometry to one Mn(1) and one C(9) atom. In the thirteenth O site, O(13) is bonded in a distorted bent 120 degrees geometry to one Mn(3) and one C(10) atom. In the fourteenth O site, O(14) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one C(11) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Mn(2) and one C(12) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 120 degrees geometry to one Mn(1) and one C(10) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 120 degrees geometry to one Mn(2) and one C(11) atom. In the eighteenth O site, O(18) is bonded in a distorted bent 120 degrees geometry to one Mn(3) and one C(12) atom. Linkers: 2 [O]C(=O)[C@H]1[C@H](C([O])=O)[C@@H](C([O])=O)[C@H](C([O])=O)[C@@H](C([O])=O)[C@@H]1C([O])=O. Metal clusters: 6 [Mn]. The MOF has largest included sphere 2.81 A, density 2.27 g/cm3, surface area 2282.22 m2/g, accessible volume 0.08 cm3/g