Rb2K2NaYW11GeCO42CH3 crystallizes in the monoclinic P2_1/c space group. The structure consists of four 02329_fluka molecules inside a Rb2K2NaYW11GeCO42 framework. In the Rb2K2NaYW11GeCO42 framework, there are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 8-coordinate geometry to one O(24), one O(25), one O(26), one O(31), one O(33), one O(37), one O(39), and one O(40) atom. The Rb(1)-O(24) bond length is 2.89 Å. The Rb(1)-O(25) bond length is 2.93 Å. The Rb(1)-O(26) bond length is 2.99 Å. The Rb(1)-O(31) bond length is 3.10 Å. The Rb(1)-O(33) bond length is 2.83 Å. The Rb(1)-O(37) bond length is 3.10 Å. The Rb(1)-O(39) bond length is 2.79 Å. The Rb(1)-O(40) bond length is 2.76 Å. In the second Rb site, Rb(2) is bonded to one O(16), one O(20), one O(29), one O(35), one O(4), one O(7), and one O(8) atom to form distorted RbO7 hexagonal pyramids that share  an edgeedge with one W(11)O6 octahedra,  an edgeedge with one W(4)O5 square pyramid, and  an edgeedge with one W(5)O5 square pyramid. The Rb(2)-O(16) bond length is 2.82 Å. The Rb(2)-O(20) bond length is 2.92 Å. The Rb(2)-O(29) bond length is 3.11 Å. The Rb(2)-O(35) bond length is 2.92 Å. The Rb(2)-O(4) bond length is 3.04 Å. The Rb(2)-O(7) bond length is 2.87 Å. The Rb(2)-O(8) bond length is 3.00 Å. There are two inequivalent K sites. In the first K site, K(1) is bonded in a 6-coordinate geometry to one O(12), one O(22), one O(3), one O(39), one O(40), and one O(42) atom. The K(1)-O(12) bond length is 2.91 Å. The K(1)-O(22) bond length is 2.82 Å. The K(1)-O(3) bond length is 3.06 Å. The K(1)-O(39) bond length is 3.09 Å. The K(1)-O(40) bond length is 2.85 Å. The K(1)-O(42) bond length is 2.76 Å. In the second K site, K(2) is bonded in a 7-coordinate geometry to one O(10), one O(18), one O(19), one O(2), one O(41), one O(5), and one O(9) atom. The K(2)-O(10) bond length is 2.99 Å. The K(2)-O(18) bond length is 2.80 Å. The K(2)-O(19) bond length is 2.98 Å. The K(2)-O(2) bond length is 2.82 Å. The K(2)-O(41) bond length is 2.90 Å. The K(2)-O(5) bond length is 2.90 Å. The K(2)-O(9) bond length is 2.88 Å. Na(1) is bonded in a rectangular see-saw-like geometry to one O(1), one O(3), one O(41), and one O(42) atom. The Na(1)-O(1) bond length is 2.46 Å. The Na(1)-O(3) bond length is 2.41 Å. The Na(1)-O(41) bond length is 2.42 Å. The Na(1)-O(42) bond length is 2.33 Å. Y(1) is bonded in a 7-coordinate geometry to one O(30), one O(31), one O(36), one O(37), one O(39), and two equivalent O(38) atoms. The Y(1)-O(30) bond length is 2.30 Å. The Y(1)-O(31) bond length is 2.33 Å. The Y(1)-O(36) bond length is 2.33 Å. The Y(1)-O(37) bond length is 2.35 Å. The Y(1)-O(39) bond length is 2.48 Å. There is one shorter (2.43 Å) and one longer (2.45 Å) Y(1)-O(38) bond length. There are eleven inequivalent W sites. In the first W site, W(1) is bonded in a 6-coordinate geometry to one O(1), one O(13), one O(4), one O(5), one O(8), and one O(9) atom. The W(1)-O(1) bond length is 1.73 Å. The W(1)-O(13) bond length is 2.30 Å. The W(1)-O(4) bond length is 1.91 Å. The W(1)-O(5) bond length is 1.93 Å. The W(1)-O(8) bond length is 1.91 Å. The W(1)-O(9) bond length is 1.91 Å. In the second W site, W(2) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(14), one O(2), one O(5), and one O(6) atom. The W(2)-O(10) bond length is 1.97 Å. The W(2)-O(11) bond length is 1.86 Å. The W(2)-O(14) bond length is 2.34 Å. The W(2)-O(2) bond length is 1.70 Å. The W(2)-O(5) bond length is 1.93 Å. The W(2)-O(6) bond length is 1.90 Å. In the third W site, W(3) is bonded in a 6-coordinate geometry to one O(12), one O(15), one O(3), one O(4), one O(6), and one O(7) atom. The W(3)-O(12) bond length is 1.85 Å. The W(3)-O(15) bond length is 2.34 Å. The W(3)-O(3) bond length is 1.71 Å. The W(3)-O(4) bond length is 1.93 Å. The W(3)-O(6) bond length is 1.91 Å. The W(3)-O(7) bond length is 1.94 Å. In the fourth W site, W(4) is bonded to one O(15), one O(16), one O(25), one O(26), and one O(7) atom to form distorted WO5 square pyramids that share  a cornercorner with one W(10)O6 octahedra,  a cornercorner with one W(5)O5 square pyramid,  a cornercorner with one Ge(1)O4 tetrahedra, and  an edgeedge with one Rb(2)O7 hexagonal pyramid. The corner-sharing octahedral tilt angles are 24°. The W(4)-O(15) bond length is 2.27 Å. The W(4)-O(16) bond length is 1.91 Å. The W(4)-O(25) bond length is 1.92 Å. The W(4)-O(26) bond length is 1.89 Å. The W(4)-O(7) bond length is 1.94 Å. In the fifth W site, W(5) is bonded to one O(13), one O(16), one O(17), one O(27), and one O(8) atom to form distorted WO5 square pyramids that share  a cornercorner with one W(10)O6 octahedra,  a cornercorner with one W(4)O5 square pyramid,  a cornercorner with one Ge(1)O4 tetrahedra, and  an edgeedge with one Rb(2)O7 hexagonal pyramid. The corner-sharing octahedral tilt angles are 26°. The W(5)-O(13) bond length is 2.28 Å. The W(5)-O(16) bond length is 1.94 Å. The W(5)-O(17) bond length is 1.95 Å. The W(5)-O(27) bond length is 1.82 Å. The W(5)-O(8) bond length is 1.98 Å. In the sixth W site, W(6) is bonded in a 6-coordinate geometry to one O(13), one O(17), one O(18), one O(19), one O(28), and one O(9) atom. The W(6)-O(13) bond length is 2.32 Å. The W(6)-O(17) bond length is 1.92 Å. The W(6)-O(18) bond length is 1.71 Å. The W(6)-O(19) bond length is 1.93 Å. The W(6)-O(28) bond length is 1.80 Å. The W(6)-O(9) bond length is 2.01 Å. In the seventh W site, W(7) is bonded in a 6-coordinate geometry to one O(10), one O(14), one O(19), one O(20), one O(21), and one O(29) atom. The W(7)-O(10) bond length is 1.92 Å. The W(7)-O(14) bond length is 2.27 Å. The W(7)-O(19) bond length is 1.91 Å. The W(7)-O(20) bond length is 1.72 Å. The W(7)-O(21) bond length is 1.93 Å. The W(7)-O(29) bond length is 1.90 Å. In the eighth W site, W(8) is bonded in a 6-coordinate geometry to one O(11), one O(14), one O(21), one O(22), one O(23), and one O(30) atom. The W(8)-O(11) bond length is 2.05 Å. The W(8)-O(14) bond length is 2.30 Å. The W(8)-O(21) bond length is 1.94 Å. The W(8)-O(22) bond length is 1.74 Å. The W(8)-O(23) bond length is 1.93 Å. The W(8)-O(30) bond length is 1.75 Å. In the ninth W site, W(9) is bonded in a 6-coordinate geometry to one O(12), one O(15), one O(23), one O(24), one O(25), and one O(31) atom. The W(9)-O(12) bond length is 2.06 Å. The W(9)-O(15) bond length is 2.31 Å. The W(9)-O(23) bond length is 1.91 Å. The W(9)-O(24) bond length is 1.74 Å. The W(9)-O(25) bond length is 1.96 Å. The W(9)-O(31) bond length is 1.76 Å. In the tenth W site, W(10) is bonded to one O(26), one O(27), one O(32), one O(33), one O(34), and one O(37) atom to form distorted WO6 octahedra that share  a cornercorner with one W(4)O5 square pyramid,  a cornercorner with one W(5)O5 square pyramid,  a cornercorner with one Ge(1)O4 tetrahedra, and  an edgeedge with one W(11)O6 octahedra. The W(10)-O(26) bond length is 1.96 Å. The W(10)-O(27) bond length is 2.07 Å. The W(10)-O(32) bond length is 2.24 Å. The W(10)-O(33) bond length is 1.72 Å. The W(10)-O(34) bond length is 1.94 Å. The W(10)-O(37) bond length is 1.79 Å. In the eleventh W site, W(11) is bonded to one O(28), one O(29), one O(32), one O(34), one O(35), and one O(36) atom to form distorted WO6 octahedra that share  a cornercorner with one Ge(1)O4 tetrahedra,  an edgeedge with one Rb(2)O7 hexagonal pyramid, and  an edgeedge with one W(10)O6 octahedra. The W(11)-O(28) bond length is 2.09 Å. The W(11)-O(29) bond length is 1.93 Å. The W(11)-O(32) bond length is 2.21 Å. The W(11)-O(34) bond length is 1.94 Å. The W(11)-O(35) bond length is 1.72 Å. The W(11)-O(36) bond length is 1.76 Å. Ge(1) is bonded to one O(13), one O(14), one O(15), and one O(32) atom to form GeO4 tetrahedra that share  a cornercorner with one W(10)O6 octahedra,  a cornercorner with one W(11)O6 octahedra,  a cornercorner with one W(4)O5 square pyramid, and  a cornercorner with one W(5)O5 square pyramid. The corner-sharing octahedral tilt angles are 56°. The Ge(1)-O(13) bond length is 1.75 Å. The Ge(1)-O(14) bond length is 1.75 Å. The Ge(1)-O(15) bond length is 1.74 Å. The Ge(1)-O(32) bond length is 1.72 Å. C(1) is bonded in a distorted bent 120 degrees geometry to one O(38) and one O(39) atom. The C(1)-O(38) bond length is 1.29 Å. The C(1)-O(39) bond length is 1.24 Å. There are forty-two inequivalent O sites. In the first O site, O(37) is bonded in a 3-coordinate geometry to one Rb(1), one Y(1), and one W(10) atom. In the second O site, O(38) is bonded in a distorted single-bond geometry to two equivalent Y(1) and one C(1) atom. In the third O site, O(39) is bonded in a distorted single-bond geometry to one Rb(1), one K(1), one Y(1), and one C(1) atom. In the fourth O site, O(40) is bonded in an L-shaped geometry to one Rb(1) and one K(1) atom. In the fifth O site, O(41) is bonded in a bent 120 degrees geometry to one K(2) and one Na(1) atom. In the sixth O site, O(42) is bonded in a water-like geometry to one K(1) and one Na(1) atom. In the seventh O site, O(1) is bonded in a bent 120 degrees geometry to one Na(1) and one W(1) atom. In the eighth O site, O(2) is bonded in a distorted single-bond geometry to one K(2) and one W(2) atom. In the ninth O site, O(3) is bonded in a 3-coordinate geometry to one K(1), one Na(1), and one W(3) atom. In the tenth O site, O(4) is bonded in a distorted bent 150 degrees geometry to one Rb(2), one W(1), and one W(3) atom. In the eleventh O site, O(5) is bonded in a distorted bent 150 degrees geometry to one K(2), one W(1), and one W(2) atom. In the twelfth O site, O(6) is bonded in a bent 150 degrees geometry to one W(2) and one W(3) atom. In the thirteenth O site, O(7) is bonded in a distorted trigonal non-coplanar geometry to one Rb(2), one W(3), and one W(4) atom. In the fourteenth O site, O(8) is bonded in a 3-coordinate geometry to one Rb(2), one W(1), and one W(5) atom. In the fifteenth O site, O(9) is bonded in a distorted trigonal non-coplanar geometry to one K(2), one W(1), and one W(6) atom. In the sixteenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one K(2), one W(2), and one W(7) atom. In the seventeenth O site, O(11) is bonded in a bent 120 degrees geometry to one W(2) and one W(8) atom. In the eighteenth O site, O(12) is bonded in a 3-coordinate geometry to one K(1), one W(3), and one W(9) atom. In the nineteenth O site, O(13) is bonded in a distorted single-bond geometry to one W(1), one W(5), one W(6), and one Ge(1) atom. In the twentieth O site, O(14) is bonded in a distorted single-bond geometry to one W(2), one W(7), one W(8), and one Ge(1) atom. In the twenty-first O site, O(15) is bonded in a distorted single-bond geometry to one W(3), one W(4), one W(9), and one Ge(1) atom. In the twenty-second O site, O(16) is bonded in a 3-coordinate geometry to one Rb(2), one W(4), and one W(5) atom. In the twenty-third O site, O(17) is bonded in a bent 120 degrees geometry to one W(5) and one W(6) atom. In the twenty-fourth O site, O(18) is bonded in a distorted bent 150 degrees geometry to one K(2) and one W(6) atom. In the twenty-fifth O site, O(19) is bonded in a distorted bent 150 degrees geometry to one K(2), one W(6), and one W(7) atom. In the twenty-sixth O site, O(20) is bonded in a distorted single-bond geometry to one Rb(2) and one W(7) atom. In the twenty-seventh O site, O(21) is bonded in a bent 120 degrees geometry to one W(7) and one W(8) atom. In the twenty-eighth O site, O(22) is bonded in a distorted single-bond geometry to one K(1) and one W(8) atom. In the twenty-ninth O site, O(23) is bonded in a bent 150 degrees geometry to one W(8) and one W(9) atom. In the thirtieth O site, O(24) is bonded in a distorted bent 150 degrees geometry to one Rb(1) and one W(9) atom. In the thirty-first O site, O(25) is bonded in a 3-coordinate geometry to one Rb(1), one W(4), and one W(9) atom. In the thirty-second O site, O(26) is bonded in a distorted bent 150 degrees geometry to one Rb(1), one W(10), and one W(4) atom. In the thirty-third O site, O(27) is bonded in a bent 150 degrees geometry to one W(10) and one W(5) atom. In the thirty-fourth O site, O(28) is bonded in a bent 150 degrees geometry to one W(11) and one W(6) atom. In the thirty-fifth O site, O(29) is bonded in a distorted bent 150 degrees geometry to one Rb(2), one W(11), and one W(7) atom. In the thirty-sixth O site, O(30) is bonded in a bent 150 degrees geometry to one Y(1) and one W(8) atom. In the thirty-seventh O site, O(31) is bonded in a 2-coordinate geometry to one Rb(1), one Y(1), and one W(9) atom. In the thirty-eighth O site, O(32) is bonded in a distorted single-bond geometry to one W(10), one W(11), and one Ge(1) atom. In the thirty-ninth O site, O(33) is bonded in a distorted single-bond geometry to one Rb(1) and one W(10) atom. In the fortieth O site, O(34) is bonded in a bent 120 degrees geometry to one W(10) and one W(11) atom. In the forty-first O site, O(35) is bonded in a distorted single-bond geometry to one Rb(2) and one W(11) atom. In the forty-second O site, O(36) is bonded in a distorted bent 120 degrees geometry to one Y(1) and one W(11) atom. Linkers: 4 CC([O])=O. Metal clusters: 8 [K] ,8 [Rb] ,4 [Na] ,4 [Y] ,44 [W]. The MOF has largest included sphere 4.43 A, density 4.16 g/cm3, surface area 1029.93 m2/g, accessible volume 0.06 cm3/g