Monocapped pentagonal prism

FBP = pentagonal bipyramid CTP = C , monocapped trigonal prism CO = monocapped octahedron DD = dodecahedron SAP = square antiprism BTP = bicapped trigonal prism. [Pg.424]

We noted in Chapter 10 two rather symmetrical arrangements of 7 nearest neighbours found in oxy- and fluoro-compounds of transition metals, namely, pentagonal bipyramidal (ZrF "), and monocapped trigonal prism (NbF ). The ions formed from ethylenediamine tetracetic acid and the closely related diamino cyclohexane acid are potentially sexadentate ligands, for there are 4 0 atoms and... [Pg.947]

Pentacapped trigonal prism Monocapped pentagonal antiptism Interpenetrating pentagon... [Pg.212]

Figure 1. The principal geometries of AB7 compounds the pentagonal bipyramid, the monocappcd octahedron, and the monocapped trigonal prism.

The fact that heptacoordinated species in their ground states exMbit pentagonal bipyramidal structures with an unpuckered equatorial plane, cannot be rationalize by VSEPR theory (7,2) in terms of a repelling points on a sphere (POS) model which should result in either a monocapped octahedron or a monocapped trigonal prism. Furthermore, it cannot be explained by conventional bonding schemes involving localized electron orbitals of die central atom to enforce the coplanarity of a central atom and five equatorial ligands. The best explanation to account for this planarity is the... [Pg.76]

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