Acta Crystallographica Section E: Crystallographic Communications | |
Etude structurale et vibrationnelle d'un nouveau composé complexe de cobalt: [Co(imidazole)4Cl]Cl | |
Graia, M.4  Derbel, A.6  Mhiri, T.8  | |
[1] de Sfax, BP W 3038 Sfax, Tunisie;de Tunis El Manar, 2092 El Manar Tunis, Tunisie;des Sciences de Tunis, Universitédes Sciences, UniversitéLaboratoire de MatéLaboratoire de l'ériaux et Cristallochimie, Facultétat solide, Faculté | |
关键词: CRYSTAL STRUCTURE; COBALT COMPLEX; IMIDAZOLE; HYDROGEN BONDING; FRAMEWORK; | |
DOI : 10.1107/S2056989015015807 | |
学科分类:数学(综合) | |
来源: International Union of Crystallography | |
【 摘 要 】
In the title complex, chloridotetrakis(1H-imidazole-κN3)cobalt(II) chloride, [CoCl(C3H4N2)4]Cl, the CoII cation has a distorted square-pyramidal coordination environment. It is coordinated by four N atoms of four imidazole (Im) groups in the basal plane, and by a Cl atom in the apical position. It is isostructural with [Cu(Im)4Cl]Cl [Morzyk-Ociepa et al. (2012). J. Mol. Struct. 1028, 49–56] and [Cu(Im)4Br]Br [Hossaini Sadr et al. (2004). Acta Cryst. E60, m1324–m1326]. In the crystal, the [CoCl(C3H4N2)4]+ cations and Cl− anions are linked via N—H⋯Cl hydrogen bonds, forming layers parallel to (010). These layers are linked via C—H⋯Cl hydrogen bonds and C—H⋯π and π–π [inter-centroid distance = 3.794 (2) Å] interactions, forming a three-dimensional framework. The IR spectrum shows vibrational bands typical for imidazol groups. The monoclinic unit cell of the title compound emulates an orthorhombic cell as its β angle is close to 90°. The crystal is twinned, with the refined ratio of twin components being 0.569 (1):0.431 (1).
【 授权许可】
CC BY
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