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- Title
Synthesis and Crystal Structures of Cadmium(II) Cyanide with Branched-Butoxyethanol.
- Authors
Kawasaki, Takeshi; Kitazawa, Takafumi
- Abstract
Two novel 3D cadmium(II) cyanide coordination polymers with <italic>branched</italic>-butoxyethanol compounds (iBucel = iso-butoxyethanol, tBucel = tert-butoxyethanol), [{Cd(CN)2(iBucel)2}{Cd(CN)2(H2O)(iBucel)}2{Cd(CN)2}6∙2(iBucel)]n<bold>I</bold> and [{Cd(CN)2(H2O)1.06(tBucel)0.94}{Cd(CN)2(tBucel)}2{Cd(CN)2}2∙1.06(tBucel)]n<bold>II</bold>, were synthesized and characterized by structural determination. Complex <bold>I</bold> contains two distinct Cd(II) coordination geometries: octahedral and tetrahedral. In contrast, complex <bold>II</bold> contains three distinct Cd(II) coordination geometries: octahedral, square-pyramidal, and tetrahedral. In the two complexes, branched-butoxyethanol molecules behave as both a ligand and a guest in the Cd(CN)2 cavities. The framework in <bold>I</bold> contains octahedral and tetrahedral Cd(II) in a 3:6 ratio. In <bold>I</bold>, the coordination environments of octahedral Cd(II) are cis-O-Cd-O. The framework in <bold>II</bold> contains octahedral, square-pyramidal, and tetrahedral Cd(II) in a 1:2:2 ratio. In II, the coordination environment of octahedral Cd(II) is disordered trans-O-Cd-O and the axial oxygen ligand is either a water or tBucel molecule. In <bold>II</bold>, the square-pyramidal Cd(II) geometry is formed by one tBucel ligand and four cyanide ligands. The Cd(CN)2 frameworks of the two complexes exhibit different structures.
- Subjects
CADMIUM compounds synthesis; CRYSTAL structure research; COORDINATION polymers synthesis
- Publication
Crystals (2073-4352), 2018, Vol 8, Issue 5, p221
- ISSN
2073-4352
- Publication type
Article
- DOI
10.3390/cryst8050221