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Polymers 2011, 3(3), 1151-1161; doi:10.3390/polym3031151
Article

Tunable Crystal-to-Crystal Phase Transition in a Cadmium Halide Chain Polymer

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Received: 8 June 2011; in revised form: 11 July 2011 / Accepted: 21 July 2011 / Published: 25 July 2011
(This article belongs to the Special Issue Coordination Polymers)
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Abstract: The chain polymer [{Cd(μ-X)2py2}1] (X = Cl, Br; py = pyridine) undergoes a fully reversible phase transition between a monoclinic low-temperature and an orthorhombic high-temperature phase. The transformation can be directly monitored in single crystals and can be confirmed for the bulk by powder diffraction. The transition temperature can be adjusted by tuning the composition of the mixed-halide phase: Transition temperatures between 175 K up to the decomposition of the material at ca. 350 K are accessible. Elemental analysis, ion chromatography and site occupancy refinements from single-crystal X-ray diffraction agree with respect to the stoichiometric composition of the samples.
Keywords: tunable phase transition; crystal-to-crystal transformation; chain polymer; cadmium compounds; X-ray powder diffraction; single-crystal X-ray diffraction; twinning; ion chromatography tunable phase transition; crystal-to-crystal transformation; chain polymer; cadmium compounds; X-ray powder diffraction; single-crystal X-ray diffraction; twinning; ion chromatography
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Lamberts, K.; Kalf, I.; Ramadan, A.; Müller, P.; Dronskowski, R.; Englert, U. Tunable Crystal-to-Crystal Phase Transition in a Cadmium Halide Chain Polymer. Polymers 2011, 3, 1151-1161.

AMA Style

Lamberts K, Kalf I, Ramadan A, Müller P, Dronskowski R, Englert U. Tunable Crystal-to-Crystal Phase Transition in a Cadmium Halide Chain Polymer. Polymers. 2011; 3(3):1151-1161.

Chicago/Turabian Style

Lamberts, Kevin; Kalf, Irmgard; Ramadan, Amr; Müller, Paul; Dronskowski, Richard; Englert, Ulli. 2011. "Tunable Crystal-to-Crystal Phase Transition in a Cadmium Halide Chain Polymer." Polymers 3, no. 3: 1151-1161.


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