The title compound, [CdBr 2 (C 6 H 8 N 2 )] n , was prepared by the reaction of cadmium bromide with 2,5-dimethylpyrazine in water. Its asymmetric unit consists of one Cd cation and one 2,5-dimethylpyrazine ligand that are located on a crystallographic mirror plane as well as one bromide anion that occupies a general position. The Cd cations are sixfold coordinated by four bromide anions and two 2,5-dimethylpyrazine ligands within slightly distorted trans -CdBr 4 N 2 octahedra. The cations are linked into [100] chains via pairs of bridging bromide anions that are further connected into (001) layers by the bridging 2,5-dimethylpyrazine ligands. Powder X-ray diffraction (PXRD) shows that a pure crystalline phase has been obtained. Thermogravimetry coupled to differential thermoanalysis (TG-TDA) reveal that the 2,5-dimethylpyrazine ligands are removed in two separate steps leading to the formation of a compound with the composition (CdBr 2 ) 2 (2,5-dimethylpyrazine) that decomposes into CdBr 2 upon further heating. PXRD measurements of the residue obtained after the first mass loss show that a new crystalline phase has been formed.

Christian Näther

Acta Crystallographica Section E Crystallographic Communications

Acta Crystallographica Section E: Crystallographic Communications is the IUCr's open-access structural communications journal. It provides a fast, simple and easily accessible publication mechanism for crystal structure determinations of inorganic, metal-organic and organic compounds. The electronic submission, validation, refereeing and publication facilities of the journal ensure rapid and high-quality publication of fully validated structures. The primary article category is Research Communications; these are peer-reviewed articles describing one or more structure determinations with appropriate discussion of the science.

Acta Crystallographica Section E: Crystallographic Communications is the open-access structural communications journal of the International Union of Crystallography (IUCr). It offers a fast, simple, and easily accessible publication mechanism for the determination of crystal structures of inorganic, metal-organic, and organic compounds. The journal's electronic submission, validation, refereeing, and publication facilities ensure the rapid and high-quality publication of fully validated structures. The primary article category is Research Communications; these are peer-reviewed articles that describe one or more structure determinations with appropriate discussions of the underlying science.

《Acta Crystallographica Section E: Crystallographic Communications》是国际晶体学联合会（IUCr）的一本开放获取的结构通讯期刊。该期刊为无机、金属有机和有机化合物的晶体结构测定提供了一种快速、简单且易于获取的出版机制。期刊的电子提交、验证、审稿和出版设施确保了经过全面验证的结构能够快速且高质量地发布。主要的文章类别为研究通讯，这些文章经过同行评审，描述了一个或多个结构测定，并对相关科学进行了适当的讨论。

Synthesis, crystal structure and thermal properties of poly[di-μ-bromido-(μ-2,5-dimethylpyrazine)cadmium(II)]

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Journal Info

Category	Quartile
CRYSTALLOGRAPHY	4