Universität zu Köln

Hashemi, Lida, Morsali, Ali, Marandi, Farzin ORCID: 0000-0001-7994-7915, Pantenburg, Ingo and Tehrani, Alireza Azhdari (2014). Dynamic crystal-to-crystal transformation of 1D to 2D lead(II) coordination polymers by de- and rehydration with no change in the morphology of nano-particles. New J. Chem., 38 (8). S. 3375 - 3379. CAMBRIDGE: ROYAL SOC CHEMISTRY. ISSN 1369-9261

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Abstract

A reversible crystal-to-crystal transformation of a 1D lead(II) coordination polymer to a 2D lead(II) coordination polymer with the ligand 1,2-di-(4-pyridyl)-ethylene (bpe), [Pb-2(mu-bpe)(3)(mu-NO3)(2)(NO3)(2)(H2O)(2)](n) (1) to [Pb-2(mu-bpe)(3)(mu-NO3)(2)(NO3)(2)](n) (2), by de- and rehydration has been observed and the structures of 1 and 2 were determined by single crystal X-ray diffraction. The thermal stabilities of compounds 1 and 2 were studied by thermal gravimetric and differential thermal analyses. Powder X-ray diffraction experiments showed that the phase transitions observed for the single crystals also occur in the batch powder samples and lead to monophasic products. Nano-particles of compound 1 were synthesized by a sonochemical process and characterized by scanning electron microscopy (SEM), powder X-ray diffraction, IR spectroscopy and elemental analyses. The SEM images showed that no change in the morphology occurs during this dynamic crystal-to-crystal conversion.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Hashemi, Lida UNSPECIFIED UNSPECIFIED UNSPECIFIED Morsali, Ali UNSPECIFIED UNSPECIFIED UNSPECIFIED Marandi, Farzin UNSPECIFIED orcid.org/0000-0001-7994-7915 UNSPECIFIED Pantenburg, Ingo UNSPECIFIED UNSPECIFIED UNSPECIFIED Tehrani, Alireza Azhdari UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-432978
DOI:	10.1039/c4nj00096j
Journal or Publication Title:	New J. Chem.
Volume:	38
Number:	8
Page Range:	S. 3375 - 3379
Date:	2014
Publisher:	ROYAL SOC CHEMISTRY
Place of Publication:	CAMBRIDGE
ISSN:	1369-9261
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language SOLID-STATE TRANSFORMATION; SINGLE-CRYSTAL; X-RAY; ISOMERISM; NETWORK; ANIONS Multiple languages Chemistry, Multidisciplinary Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/43297