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[Rb(18-crown-6)][Rb([2.2.2]-cryptand)]Rb(2)Sn(9)·5NH(3)

[Rb(18-crown-6)][Rb([2.2.2]-cryptand)]Rb(2)Sn(9)·5NH(3)

Stefanie Gaertner, Nikolaus Korber

Acta Crystallogr Sect E Struct Rep Online. 2011 May 1;67(Pt 5):m613-4.

PMID: 21754329

Abstract:

The crystal structure of the title compound, poly[[(4,7,13,16,21,24-hexa-oxa-1,10-diaza-bicyclo-[8.8.8]hexa-cosa-ne)rubidium] [[(1,4,7,10,13,16-hexa-oxacyclo-octa-deca-ne)rubidium]di-μ-rubidium-μ-nona-stannide] penta-ammonia], {[Rb(C(18)H(36)N(2)O(6))][Rb(3)Sn(9)(C(12)H(24)O(6))C(12)H(24)O(6))]·5NH(3)}(n) represents the first ammoniate of a Zintl anion together with two different chelating substances, namely 18-crown-6 and [2.2.2]-cryptand. The involvement of these large mol-ecules in the crystal structure of [Rb(18-crown-6)][Rb([2.2.2]-cryptand)]Rb(2)Sn(9)·5NH(3) leads to the formation of a new structural motif, namely one-dimensionally extended double strands running parallel to [100] and built by Sn(9) (4-) cages and Rb(+) cations. The double strands are shielded by 18-crown-6 and [2.2.2]-cryptand. The cations are additionally coordin-ated by ammonia mol-ecules. One of the four independent Rb(+) cations is disordered over two sets of sites in a 0.74 (2):0.26 (2) ratio.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP17455139	18-Crown-6		17455-13-9	Price

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