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. Author manuscript; available in PMC: 2009 May 2.
Published in final edited form as: Inorg Chem. 2007 Jan 8;46(1):60–71. doi: 10.1021/ic0609148

Figure 10.

Figure 10

The tetrahedron-vTBP shape map for iron atoms in synthetic iron-sulfur clusters (circles) and diketiminate complexes (red squares). The black circles correspond to the Fe atoms that appear closer to the position of the belt Fe atoms in FeMoco (see Figure 8). The continuous line represents the minimum distortion path between the tetrahedron and the vacant trigonal bipyramid (vTBP), the dashed curve corresponds to the related pyramidalization path between a chelated tetrahedron and a chelated vTBP (with one ligand-metal-ligand bond angle of 95°), and the dotted straight line corresponds to closing one basal bond angle of an intermediate FeX4 shape with α = 102°.