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The way the donor atoms are joined together in the molecule is its topology. Some topologies are simple, such as the linear or ring shapes. The molecule can also be branched, either at a donor atom, or at a non-donor atom. Example shapes are the tripod, and amplector, with a bifurcation at each end.
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Takeshita, Kenji; Ishida, Masaru; Kondo, Misako; Nakano, Yoshio; Seida, Yoshimi (2004). "Recovery of Noble Metals by
Hexadentate Ligand TPEN and Acidic Extractant D2EHPA".
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131:"Embracing ligands. A synthetic strategy towards new nitrogen–thioether multidentate ligands and characterization of the cobalt(III) complexes"
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that combines with a central metal atom with six bonds. One example of a hexadentate ligand that can form complexes with soft metal ions is
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Rigid molecules can be used to force unusual coordination such as
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Lions, F. (1961). "The design of multidentate chelating agents".
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Sharrad, Clint A.; LĂĽthi, Stefan R.; Gahan, Lawrence R. (2003).
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82:. F. Lions identified 36 different hexadentate topologies.
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of hexadentate ligands is often denoted with the prefix Îş.
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Generic structure of a metal complex of hexadentate
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