Journal article

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

    20.07.2012
Published in:
  • CrystEngComm. - 2012, vol. 14, no. 20, p. 6487-6491
English 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).
Faculty
Faculté des sciences et de médecine
Department
Département de Chimie
Language
  • English
Classification
Chemistry
License
License undefined
Identifiers
Persistent URL
https://folia.unifr.ch/unifr/documents/302865
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