Chemistry

Comprehensive Coordination Chemistry Vol. 3: Main Group and by Geoffrey Wilkinson, Jon A. McCleverty, Robert D. Gillard

By Geoffrey Wilkinson, Jon A. McCleverty, Robert D. Gillard

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Extra resources for Comprehensive Coordination Chemistry Vol. 3: Main Group and Early Transition Metals (Vol 3)

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A non-electrolyte was indicated and suggested that the species was dinuclear with Mg2+ in the outer cavity (52). This is confirmed by the X-ray structure289which shows two trans water molecules helping to achieve coordinative saturation. (51) a; R = H b; R = M e 0 There is a considerable colour change on adding M+ or W+ to the copper precursors; CuLi and CuMg complexes are red, and as the size of the added metal ion increases, there is a steady reversion to the violet colour of the mononuclear copper(1I) complex.

A . Boeyens, Actu Gystullogr. Ser. B, 1970, 26, 526. J. P. Roux and G. J. Krugcr, Acru Urysrallogr.. Sect. E , 1976, 32, 1171. P. S. Gentile, M . P. Dinstcin and J. G. White, Inorg. Chirn. Acto. 1976,19, 67. P. S. Gentile, J . White and S. Haddad, Inorg. Chim. Acta, 1975, 13, 149. Phenacyl kojate (13) was found to form crystalline NaX complexes during its preparation in MeOH. PK with CsBr, CsI, RbI, NaNCS, KNCS, RbNCS and CsNCS, and the complexes MX-2PK with NaCl, KCI, RbCl, CsC1, NaBr, KBr, RbBr, NaI and KI.

Each anion becomes involved in interactions with four cations, some donor atoms being shared. x Compounds similar to (61)and containing o-nitrophenol, acetylacetone, salicylaldehyde, efc. 17*18+19 They were referred to as ‘acid salts’ and their solubility in organic media was taken as a criterion of complexation. In historic terms they play an important role in the development of the area. Generally, these compounds concerned organic anions, and U 0 3 . 315With the later generation of interest in alkali metal complexation stimulated by a desire to understand membrane transport phenomena and to establish desalinating agents, a large range of ‘acid salts’ were investigated and the principles of formation have been discussed by P ~ o n i a .

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