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The compounds Co(OH)(5-cnapp)(HO) (1) and Co(OH)(4-cnapp)(HO)·12HO (2) obtained using positionally isomeric phosphonic acids (5-/4-cnappH) have 3D framework structures. Compound 1 contains a distorted Co(μ-OH)-based kagomé layer and shows long-range weak ferromagnetic ordering below 30 K without significant spin frustration.
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http://dx.doi.org/10.1039/d5cc02658j | DOI Listing |