ICCAS OpenIR
Polymorphism of (H(2)mela)(2)[CuCl5]Cl (mela = melamine): structures, transformation and magnetic properties
Weng, Dan-Feng; Wang, Bing-Wu; Wang, Zhe-Ming; Gao, Song
2011
Source PublicationCRYSTENGCOMM
ISSN1466-8033
Volume13Issue:14Pages:4683-4688
AbstractTwo polymorphs of (H(2)mela)(2)[CuCl5]Cl (mela = melamine) prepared by solution diffusion methods have been characterized structurally and magnetically. The kinetic phase in the monoclinic space group P2/c was first crystallized. When kept in the mother solution, the kinetic phase gradually dissolved, while the thermodynamically stable phase in the monoclinic space group P2(1)/m appeared and became the final product. This transformation process was monitored by powder X-ray diffraction. Structural analysis revealed that the two polymorphs consist of alternatively arranged negative layers of [CuCl53-](n) chains and discrete non-coordination Cl- anions and positive layers of H-bonded dimers of [H(2)mela(2+)](2), assembled though H-bonds in the lattices. The difference between the two structures lies in the packing and H-bonding patterns in the solids. The transformation associated changes in structures mainly referred to H-bonding are discussed. Both compounds are antiferromagnetic chains. Thermal stability and IR spectroscopic properties were also studied.
DOI10.1039/c1ce05143a
Indexed BySCI
Language英语
WOS IDWOS:000292159200031
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/72482
Collection中国科学院化学研究所
Corresponding AuthorWang, Zhe-Ming
AffiliationPeking Univ, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Weng, Dan-Feng,Wang, Bing-Wu,Wang, Zhe-Ming,et al. Polymorphism of (H(2)mela)(2)[CuCl5]Cl (mela = melamine): structures, transformation and magnetic properties[J]. CRYSTENGCOMM,2011,13(14):4683-4688.
APA Weng, Dan-Feng,Wang, Bing-Wu,Wang, Zhe-Ming,&Gao, Song.(2011).Polymorphism of (H(2)mela)(2)[CuCl5]Cl (mela = melamine): structures, transformation and magnetic properties.CRYSTENGCOMM,13(14),4683-4688.
MLA Weng, Dan-Feng,et al."Polymorphism of (H(2)mela)(2)[CuCl5]Cl (mela = melamine): structures, transformation and magnetic properties".CRYSTENGCOMM 13.14(2011):4683-4688.
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