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Figure 5
Projections of Gibbs free energy maps for a nanoparticle containing 192 units of CaCO3. Top: nanoparticle in water. Bottom: nanoparticle with OC-17 bound in water. The OPs used for the axes measure symmetry in the arrangement of the C or O atoms about Ca ions. The letters label minima where local order is associated with a macroscopic polymorph: A is ACC; C is calcite; V is vaterite-like. Reproduced from Freeman et al. (2010BB20) with permission from Wiley.

IUCrJ
Volume 2| Part 2| February 2015| Pages 256-266
ISSN: 2052-2525
doi:10.1107/S2052252514027626