Structural Diversity of Heteroleptic Cobalt(II) Dicyanamide Coordination Polymers with Substituted Pyrazines and Pyrimidines as Auxiliary Ligands.

ABSTRACT: A series of cobalt(II) dicyanamide (dca^-) coordination polymers with substituted pyrazines (pyz) and pyrimidines (pym) as auxiliary ligands have been synthesized and structurally characterized to investigate the influence of the type and substitution pattern of the auxiliary ligand on the dimensionality and topology of the resulting frameworks. As a result of our studies, 13 novel heteroleptic cobalt(II) dicyanamide coordination polymers were obtained, and their crystal structures were determined by single-crystal X-ray diffraction. Eight of the investigated compounds exhibit a single-chain structure composed of [Co(L_pyz/_pym)₂]²⁺ units bridged via double μ_1,5-dca ligands. In two complexes, neutral triple-chain topologies wer

SUBMITTER: Palion-Gazda J 

PROVIDER: S-EPMC12526020 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature