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Issue 20, 2012
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Single crystal to single crystal polymorphic phase transition of a silver nitrate 24-crown-8 complex and its pseudo-polymorphism

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Abstract

A silver nitrate 24-crown-8 complex [Ag4(24-crown-8)(NO3)4] (1) was synthesized, showing a single crystal to single crystal polymorphic phase transition induced by temperature and leading to polymorph [Ag4(24-crown-8)(NO3)4] 1′. When this complex (1) is exposed to humidity or directly crystallized from a water containing solvent, a pseudo polymorph [Ag4(24-crown-8)(NO3)4(H2O)2] (2) with two additional water molecules is obtained. When this pseudo polymorph is heated above 100° C, it may be transformed back into the first structure (1).

Graphical abstract: Single crystal to single crystal polymorphic phase transition of a silver nitrate 24-crown-8 complex and its pseudo-polymorphism

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Publication details

The article was received on 01 Jun 2012, accepted on 20 Jul 2012 and first published on 20 Jul 2012


Article type: Paper
DOI: 10.1039/C2CE25875G
Citation: CrystEngComm, 2012,14, 6487-6491
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    Single crystal to single crystal polymorphic phase transition of a silver nitrate 24-crown-8 complex and its pseudo-polymorphism

    J. Girard and K. Fromm, CrystEngComm, 2012, 14, 6487
    DOI: 10.1039/C2CE25875G

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