REFERENCES
(1) Hagrman, D.; Hagrman, P. J.; Zubieta, J. The self-assembly of microporous organic-inorganic hybrid frameworks constructed from tetrapyridylporphyrin and bimetallic oxide chains or oxide clusters. Angew. Chem., Int. Ed. 1999, 38, 3165–3168.
(2) Mccleverty, J. A.; Ward, M. D. The role of bridging ligands in controlling electronic and magnetic properties in polynuclear complexes. Acc. Chem. Res. 1998, 31, 842–851.
(3) Long, D. L.; Burkholder, E.; Cronin, L. Polyoxometalate clusters, nanostructures and materials: from self assembly to designer materials and devices.  Chem. Soc. Rev. 2007, 36, 105–121.
(4) Chen, W. T. Hydrothermal synthesis and crystal structure of [Tb(H2O)2(C6NO2H4)2Cl]n with a novel three-dimensional motif. Asian J. Chem. 2013, 25, 7274–7276
(5) Chen, W. T.; Luo, Z. G. Synthesis and crystal structure of [Y(C6H4NO2)2(H2O)4]n•nCl- . Asian J. Chem. 2013, 25, 4077–4079.
(6) Sang, R. L.; Xu, L. Unprecedented infinite lanthanide hydroxide ribbons [Ln3(μ3-OH)3]n(6n+) in a 3-D metal-organic framework. Chem. Comm. 2013. 49, 8344–8346.
(7) Zheng, X. J.; Jin, L. P.; Gao, S. Synthesis and characterization of two novel lanthanide coordination polymers with an open framework based on an unprecedented [Ln7(μ3-OH)8]13+ cluster. Inorg. Chem. 2004, 43, 1600–1602.
(8) Zheng, Z. P. Ligand-controlled self-assembly of polynuclear lanthanide-oxo/hydroxo complexes: from synthetic serendipity to rational supramolecular design. Chem. Comm. 2001, 2521–2529.
(9) Wang, S.; Xu, J.; Shan, L.; Wang, L.; Song, T.; Zhang, C. C. 3D lanthanide coordination polymers constructed from polynuclear clusters and V-shaped organic connectors: syntheses, structures and properties. Inorg. Chim. Acta 2015, 427, 118–123.
(10) Ma, X.; Xu, N.; Gao, C.; Li, L.; Wang, B.; Shi, W.; Cheng, P. Lanthanide hydroxide ribbons assembled in a 2D network: slow relaxation of the magnetization in the dysprosium(III) complex. Dalton Trans. 2015, 44, 5276–5279.
(11) Sun, W. B.; Han, B. L.; Lin, P. H.; Li, H. F.; Chen, P.; Tian, Y. M.; Murugesu, M.; Yan, P. F. Series of dinuclear and tetranuclear lanthanide clusters encapsulated by salen-type and beta-diketionate ligands: single-molecule magnet and fluorescence properties. Dalton Trans. 2013, 42, 13397–13403.
(12) Chen, W. T.; Luo, Q. Y.; Xu, Y. P.; Dai, Y. K.; Huang, S. L.; Guo, P. Y. Hydrothermal synthesis, crystal structure and properties of a thermally stable dysprosium porphyrin with a three-dimensional porous open framework. Inorg. Chem. Comm. 2014, 49, 16–18.
(13) Sun, Y. Q.; Mei, H. X.; Zhang, H. H.; Chen, Y. P.; Sun, R. Q. Unique (3,12)-connected inorganic lanthanide cluster polymer based on octahedral hexanuclear europium hydroxide clusters and sulfate anions: synthesis, structure and luminescence. J. Clust. Sci. 2011, 22, 279–288.
(14) Wang, W. H.; Tian, H. R.; Zhou, Z. C.; Feng, Y. L.; Cheng, J. W. Two unusual chiral lanthanide-sulfate frameworks with helical tubes and channels constructed from interweaving two double-helical chains. Cryst. Growth & Des. 2012, 12, 2567–2571.
(15) Peng, G.; Ma, L.; Liang, L.; Ma, Y.; Yang, C.; Deng, H. 3d–4f Heterometallic coordination polymers constructed by tetranuclear lanthanide-based cluster as secondary building unit. CrystEngComm. 2013, 15, 922–930.
(16) Jami, A. K.; Baskar, V.; Sanudo, E. C. New structural form of a tetranuclear lanthanide hydroxo cluster: Dy4 analogue display slow magnetic relaxation. Inorg. Chem. 2013, 52, 2432–2438.
(17) Langley, S. K.; Chilton, N. F.; Gass, I. A.; Moubaraki, B.; Murray, K. S. Planar tetranuclear lanthanide clusters with the Dy4 analogue displaying slow magnetic relaxation. Dalton Trans. 2011, 40, 12656–12659.
(18) Li, X.; Cao, R.; Li, Y. Three-dimensional lanthanide-organic frameworks containing tetranuclear Ln (Ln = La, Nd) cluster secondary building blocks. Inorg. Chem. Commun. 2009, 12, 667–671.
(19) Baskar, V.; Roesky, P. W. Lanthanide hydroxide cubane clusters anchoring ferrocenes: model compounds for fixation of organometallic fragments on a lanthanide oxide surface. Dalton Trans. 2006, 676–679.
(20) Baskar, V.; Roesky, P. W. Synthesis and structural characterization of a series of tetranuclear lathannide clusters. Z. Anorg. Allg. Chem. 2005, 631, 2782–2785.
(21) Wai-Hing Lam, A.; Wong, W. T.; Wen, G.; Zhang, X. X.; Gao, S. Synthesis, crystal structure and magnetic properties of μ4-oxo-centered tetranuclear lanthanide clusters. New J. Chem. 2001, 25, 531–533.
(22) Hu, B.; Huang, X. Y. An interpenetrated three-dimensional framework sodium lanthanide carboxylate based on [Ho4(μ3-OH)4]8+ cluster. Chin. J. Struct. Chem. 2011, 30, 240–246.
(23) Sheldrick, G. M. SHELXS-97, Program for Crystal Structure Solution . University of Göttingen 1997.
(24) Sheldrick, G. M. SHELXL 97, Program for the Refinement of Crystal Structure. University of Göttingen 1997.