Capped trigonal prismatic molecular geometry

Capped trigonal prismatic molecular geometry
Examples	TaF2− 7
Point group	C2v
Coordination number	7

In chemistry, the capped trigonal prismatic molecular geometry describes the shape of compounds where seven atoms or groups of atoms or ligands are arranged around a central atom defining the vertices of an augmented triangular prism. This shape has C_2v symmetry and is one of the three common shapes for heptacoordinate transition metal complexes, along with the pentagonal bipyramid and the capped octahedron.^[1][2]

Examples of the capped trigonal prismatic molecular geometry are the heptafluorotantalate (TaF²⁻
₇) and the heptafluoroniobate (NbF²⁻
₇) ions.^[3][4]

References

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