Abstract
In the crystal structures of (2,6-lutidinium)2[CuCl4], 1 and (2,6-lutidinium)2[CuBr4], 2, the anion CuX4 2− is connected to eight and four surrounding cations in 1 and 2, respectively, through (N–H···X) (H2C–H···X) and (C–H···X) hydrogen bonds to form two-dimensional layers approximately normal to the crystallographic b-axis. These layers are further connected by means of offset face-to-face interactions (parallel to b-axis) to give three-dimensional structures. The hydrogen bonding (type and number) around each anion could be influenced by the anion size, as same cation is used, allowing different cation…anion interpenetrations.
Graphical abstract
Three dimensional framework structures of tetrahalocuprate(II) complexes assembled via (N–H···X), (H2C–H···X) and (C–H···X) hydrogen bonds along with π···π stacking and X···π interactions.
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Al al-Bayt University, Al-Balqa Applied University and The University of Jordan are thanked for financial support.
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Ali, B.F., Al-Far, R. & Haddad, S.F. Hydrogen Bonded, π···π Stacked and X···π Framework Structures in Bis(2,6-Lutidinium) Tetrahalocuprate(II) Complexes. J Chem Crystallogr 40, 696–701 (2010). https://doi.org/10.1007/s10870-010-9724-8
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DOI: https://doi.org/10.1007/s10870-010-9724-8