Issue 3, 1999
From the journal:

Journal of the Chemical Society, Dalton Transactions

Crown ether chemistry of the alkaline earth nitrates

Peter C. Junk  and  Jonathan W. Steed  

Abstract

Crystallization of the alkaline earth nitrates M(NO3)2·xH2O (M = Mg, x = 6; M = Ca, x = 4; M = Sr or Ba, x = 0) from an aqueous solution of either 15-crown-5 or 18-crown-6 resulted in complex formation in all cases. Thus, [Mg(H2O)2(15-crown-5)]3[NO3]6 and [Mg(H2O)5(NO3)]NO3·18-crown-6·H2O, [Ca(NO3)2(15-crown-5)], [Sr(H2O)(NO3)2(15-crown-5)], [Sr(NO3)2(18-crown-6)], [Ba(15-crown-5)2][Ba(NO3)3(15-crown-5)]2 and [Ba(H2O)(NO3)2(18-crown-6)] have all been characterized using X-ray crystallography. Wide variations in the co-ordination sphere of the metals are observed as the ionic radius increases, and the mode of bonding to the crown ether varies considerably as the diameter of the crown is modified.

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Article information

DOI
https://doi.org/10.1039/A807006G
Article type
Paper

J. Chem. Soc., Dalton Trans., 1999, 407-414

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Crown ether chemistry of the alkaline earth nitrates

P. C. Junk and J. W. Steed, J. Chem. Soc., Dalton Trans., 1999, 407 DOI: 10.1039/A807006G

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