Cu II coordination polymers capable of gelation and selective SO 4 -2 separation
(2012) Crystal Growth & Design — Vol. 12, n° 8, p. 4135-4143 (2012)
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- Abstract
- A crystal engineering rationale has been exploited to generate a series of Cu <sup>II</sup> coordination polymers namely [{Cu(μ-L1)(SO <inf>4</inf>)(H <inf>2</inf>O) <inf>3</inf>}H <inf>2</inf>O] <inf>-</inf>CP1, [{Cu(μ-L1) <inf>2</inf>(H <inf>2</inf>O) <inf>2</inf>}F2H <inf>2</inf>O] <inf>-</inf>CP2 [{Cu(μ-L1) <inf>2</inf>(H <inf>2</inf>O) <inf>2</inf>}ClH <inf>2</inf>O] <inf>-</inf>CP3 and [{Cu(μ-L1) <inf>2</inf>(H <inf>2</inf>O) <inf>2</inf>}BrH <inf>2</inf>O] <inf>-</inf>CP4 derived from N, Ń-(3-pyridyl) m-phenyleneurea (L1) capable of gelling aqueous solvents (DMF/water); in situ crystallization of CP1 has been exploited to separate SO <inf>4</inf> <sup>2-</sup> anion selectively from a complex mixture of oxo anions (SO <inf>4</inf> <sup>2-</sup>, NO <inf>3</inf> <sup>-</sup>, ClO <inf>4</inf> <sup>-</sup>, CF <inf>3</inf>SO <inf>3</inf> <sup>-</sup>). While the gels are characterized by optical-, scanning electron microscopy and rheology, structure-property (gelation, as well as anion separation) correlation has been attempted by using single crystal- and powder-X-ray diffraction data. © 2012 American Chemical Society.
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Paul, M., Nayarassery Narayanan, A., & Dastidar, P. (2012). Cu II coordination polymers capable of gelation and selective SO 4 -2 separation. Crystal Growth & Design, 12(8), 4135-4143. https://doi.org/10.1021/cg300649e (Original work published 2012)