A new route is described that enables the design of polar materials using racemic basic building units (BBUs). ∇- and Δ-[Cu(H 2O)(bpy)2]2+ complexes in noncentrosymmetric [Cu(H2O)(bpy)2]2[HfF6] 23H2O and centrosymmetric [Cu(H2O)(bpy) 2][BF4]2 reveal that racemic BBUs in the solid state can lead directly to noncentrosymmetry. The structure is polar if only mirror or glide planes relate the left- and right-handed enantiomers, whereas nonpolar, achiral structures result if rotoinversion relates the left- and right-handed enantiomers. This structural analysis also provides an alternative route in the design of polar materials that had always been engineered from polar BBUs.
|Original language||English (US)|
|Number of pages||5|
|Journal||Crystal Growth and Design|
|State||Published - Dec 5 2012|
ASJC Scopus subject areas
- Materials Science(all)
- Condensed Matter Physics
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CCDC 865889: Experimental Crystal Structure Determination
Gautier, R. (Creator), Norquist, A. J. (Creator) & Poeppelmeier, K. (Creator), Cambridge Crystallographic Data Centre, 2013
DOI: 10.5517/ccy20xx, http://www.ccdc.cam.ac.uk/services/structure_request?id=doi:10.5517/ccy20xx&sid=DataCite