Chapter 4 - Jacobs University

Chapter 1
Introduction
C) Keggin a-XM 12O 40
n−
D) Wells−Dawson X 2M 18O 62
n−
Figure 1.2 Ball-and-stick and polyhedral representations of one isopolyanion (A) and three
heteropolyanions (B, C and D). Black spheres are metal centers, red ones are oxygens. Blue
spheres (blue polyhedra) are heteroatoms.
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