Lattice water-induced helical stacking of tartrate-bridged dinuclear palladium(II) complexes: The role of hydrogen bonding

Keiji Ohno, Tomoaki Sugaya, Masaru Kato, Noriko Matsumoto, Ryoko Fukano, Yasuyo Ogino, Sumio Kaizaki, Takashi Fujihara*, Akira Nagasawa

*この研究の対応する著者

    研究成果査読

    8 被引用数 (Scopus)

    抄録

    Hydrous crystals of [{PdII(bpy)}2(μ-x-tart)] ·nH2O (bpy: 2,2'-bipyridine; tartH2 2-: tartrate; 1a: x = l, n = 6; 2a: x = d, n = 6; 3a: x = dl, n = 4; 4a: x = meso, n = 4) and anhydrous crystals of [{PdII(bpy)}2(μ-l-tart) ] (1b) were isolated from aqueous and MeOH solutions, respectively. X-ray crystallography revealed the stacked structures of clamshell-like dinuclear units in 1a-3a and 1b, where intramolecular metal-metal and π-π stacking interactions were observed. Right- and left-handed helically stacked columns were formed in the 1a and 2a crystals, respectively. The significant role of hydrogen bonding among lattice water molecules and tartrate is suggested because 1b exhibited a zigzag arrangement only through intermolecular metal-metal interactions. In 3a, l- and d-tart units stacked alternately in a zigzag arrangement with intermolecular π-π interactions. In 4a, dimeric aggregates of the twisted dinuclear units further formed a 2D sheet architecture.

    本文言語English
    ページ(範囲)3675-3679
    ページ数5
    ジャーナルCrystal Growth and Design
    14
    8
    DOI
    出版ステータスPublished - 2014 8 6

    ASJC Scopus subject areas

    • 化学 (全般)
    • 材料科学(全般)
    • 凝縮系物理学

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