REFERENCES
(1) Mukhopadhyay, S.; Mandal, S. K.; Bhaduri, S.; Armstrong, W. H. Manganese clusters with relevance to photosystem II. Chem. Rev. 2004, 104, 39814026.
(2) Aromi, G.; Brechin, E. K. Synthesis of 3d metallic single-molecule magnets. Struct. Bonding 2006, 122, 167.
(3) Gatteschi, D.; Sessoli, R. Quantum tunneling of magnetization and related phenomena in molecular materials. Angew. Chem. Int. Ed. 2003, 42, 268297.
(4) Christou, G. Single-molecule magnets: a molecular approach to nanoscale magnetic materials original. Polyhedron 2005, 24, 2065–2075.
(5) (a) Liu, J. L.; Huang, G. Z.; Tong, M. L. Field-induced dynamic magnetic behavior of a canted weak ferromagnetic chain material. Inorg. Chem. Front. 2015, 2, 403408. (b) Liu, J. L.; Liu, W.; Huang, G. Z.; Tong, M. L. A breathing chiral molecular solid for enantioselective separation via crystal-to-crystal transformation. Sci. Bull. 2015, 60, 447452. (c) Wang, W. G.; Zhou, A. J.; Zhang, W. X.; Tong, M. L.; Chen, X. M.; Nakano, M.; Beedle, C. C.; Hendrickson, D. N. Giant heterometallic Cu17Mn28 cluster with Td symmetry and high-spin ground state. J. Am. Chem. Soc. 2007, 129, 10141015. (d) Zhou, A. J.; Qin, L. J.; Beedle, C. C.; Ding, S.; Nakano, M.; Leng, J. D.; Tong, M. L.; Hendrickson, D. N. New Mn12 clusters with tunable oxidation states via the use of N,N,N΄,N΄-tetrakis(2-hydroxyethyl)ethylenediamine. Inorg. Chem. 2007, 46, 81118113. (e) Zheng, Y. Z.; Xie, W.; Zhang, W. X.; Tong, M. L.; Chen, X. M. From pseudo to true C3-symmetry: magnetic anisotropy enhanced by site-specific ligand substitution in two Mn15-carboxylate clusters. Inorg. Chem. 2007, 46, 64376443. (f) Zhou, A. J.; Liu, J. L.; Herchel, R.; Leng, J. D.; Tong, M. L. High-spin tetranuclear MnII2MnIV2 clusters with unique Mn(II)-Mn(IV) magnetic exchange. Synthesis, structures and magnetic properties of Mn4 and Fe4 clusters with tetrakis(2-hydroxyethyl)ethylenediamine. Dalton Trans. 2009, 31823192.
(6) Kaes, C.; Katz, A.; Hosseini, M. W. The most widely used ligand. A review of molecules comprising at least two 2,2΄-bipyridine units. Chem. Rev. 2000, 100, 35533590.
(7) (a) Angeloff, A.; Daran, J. C.; Bernadou, J.; Meunier, B. The ligand 1,10-phenanthroline-2,9-dicarbaldehyde dioxime can act both as a tridentate and as a tetradentate ligand - synthesis, characterization and crystal structures of its transition metal complexes. Eur. J. Inorg. Chem. 2000, 1985-1996; (b) Fan, L. L.; Li, C. J.; Meng, Z. S.; Tong, M. L. Metal-mediated one-step in situ oxidation of 2,9-dimethyl-1,10-phenanthroline and formation of transition-metal and lanthanoid complexes. Eur. J. Inorg. Chem. 2008, 39053909.
(8) Alborés, P.; Rentschler, E. A. A. T-shaped 3-oxido trinuclear iron cluster with high easy-plane anisotropy: structural and magnetic characterization. Eur. J. Inorg. Chem. 2008, 40044011.
(9) (a) Sreerama, S. G.; Pal, S. A triiron complex containing the carboxylate-free {Fe3(3-O)}7+ core and distorted pentagonal-bipyramidal metal centers. Eur. J. Inorg. Chem. 2004, 47184723; (b) Sreerama, S. G.; Pal, S. A novel carboxylate-free ferromagnetic trinuclear μ3-oxo-manganese(III) complex with distorted pentagonal-bipyramidal metal centers. Inorg. Chem. 2002, 41, 48434845.
(10) (a) Miao, Y. L.; Liu, J. L.; Lin, Z. J.; Ou, Y. C.; Leng, J. D.; Tong, M. L. Synthesis, structures, adsorption behavior and magnetic properties of a new family of polynuclear iron clusters. Dalton Trans. 2010, 39, 48934902. (b) Miao, Y. L.; Liu, J. L.; Leng, J. D.; Lin, Z. J.; Tong, M. L. Chloride templated formation of {Dy12(OH)16}20+ cluster core incorporating 1,10-phenanthroline-2,9-dicarboxylate. CrystEngComm. 2011, 13, 33453348. (c) Miao, Y. L.; Liu, J. L.; Li, J. Y.; Leng, J. D.; Ou, Y. C.; Tong, M. L. Two novel Dy8 and Dy11 clusters with cubane [Dy4(-OH)4]8+ units exhibiting slow magnetic relaxation behavior. Dalton Trans. 2011, 40, 1022910236. (d) Miao, Y. L.; Liu, J. L.; Guo, F. S.; Tong, M. L. Synthesis, structures and magnetic properties of octahedral clusters of [MII6(6-Cl)(phenda)6]- (M = Mn, Co and Ni; phenda = 1,10-phenanthroline-2,9-dicarboxylate). Inorg. Chem. Comm. 2015, 52, 7779.
(11) Chandler, C. J.; Deady, L. W.; Reiss, J. A. Synthesis of some 2,9-disubstituted-1,10-phenanthrolines. J. Heterocycl. Chem. 1981, 18, 599601.
(12)  (a) Blessing, R. H. An empirical correction for absorption anisotropy. Acta Cryst. 1995, A51, 3338; (b) Sheldrick, G. M. SADABS 2.05, Area-detector Absorption Correction. University of Göttingen, Germany 1996.
(13) SHELXTL 6.10, Bruker Analytical Instrumentation, Madison, Wisconsin, USA 2000.
(14) (a) Angeloff, A.; Daran, J. C.; Bernadou, J.; Meunier, B. The Ligand 1,10-phenanthroline-2,9-dicarbaldehyde dioxime can act both as a tridentate and as a tetradentate ligand. Synthesis, characterization and crystal structures of its transition metal complexes. Eur. J. Inorg. Chem. 2000, 19851996; (b) Sreerama, S. G.; Pal, S. A novel carboxylate-free ferromagnetic trinuclear 3-oxo-manganese(III) complex with distorted pentagonal-bipyramidal metal centers. Inorg. Chem. 2002, 41, 48434849.
(15) Dalice, P.; Peter, B.; Roman, B.; Radovan, H.; Michael, K.; Raphael, G. R.; Franz, R.; Yiannis, S. A pyrazolate-supported Fe3(3-O)-core; structural, spectroscopic, electrochemical and magnetic study. Inorg. Chem. 2007, 46, 1098110989.