catena Poly diaquabis 4 formylbenzoato kO1 nickel II mu pyrazine k2N N
 
Yazarlar (5)
Fatih Celik Kafkas Üniversitesi, Türkiye
Nefise Dilek Aksaray Üniversitesi, Türkiye
Nagihan Caylak Delibas
Sakarya Üniversitesi, Türkiye
Prof. Dr. Hacali NECEFOĞLU Kafkas Üniversitesi, Türkiye
Tuncer Hokelek
Hacettepe Üniversitesi, Türkiye
Makale Türü Açık Erişim Özgün Makale (ESCI dergilerinde yayınlanan tam makale)
Dergi Adı Acta Crystallographica Section E Structure Reports Online
Dergi ISSN 1600-5368
Dergi Tarandığı Indeksler Scopus, Thomson Reuters Emerging Sources Citation Index
Makale Dili İngilizce Basım Tarihi 01-2014
Kabul Tarihi 22-01-2014 Yayınlanma Tarihi 25-01-2014
Cilt / Sayı / Sayfa 70 / 2 / – DOI 10.1107/S160053681400155X
Makale Linki https://journals.iucr.org/e/issues/2014/02/00/su2690/su2690.pdf
Özet
In the title polymeric compound,[Ni (C 8 H 5 O 3) 2 (C 4 H 4 N 2)(H 2 O) 2] n, the Ni II atom is located on a twofold rotation axis and has a slightly distorted octahedral coordination sphere. In the equatorial plane, it is coordinated by two carboxylate O atoms of two symmetry-related monodentate formylbenzoate anions and by two N atoms of the bridging pyrazine ligand, which is bisected by the twofold rotation axis. The axial positions are occupied by two O atoms of the coordinating water molecules. In the formylbenzoate anion, the carboxylate group is twisted away from the attached benzene ring by 7.0 (6), while the benzene and pyrazine rings are oriented at a dihedral angle of 66.2 (3). The pyrazine ligands bridge the Ni II cations, forming polymeric chains running along the b-axis direction. Intramolecular O—H (...) O hydrogen bonds link the water ligands to the carboxylate O atoms. In the crystal, water–water O—H (...) O hydrogen bonds link adjacent chains into layers parallel to the bc plane. Pyrazine–formyl C—H (...) O hydrogen bonds link the layers, forming a three-dimensional network. There are also weak C—H (...) π interactions present. The title compound is isotypic with the copper (II) complex [Çelik et al.(2014a). Acta Cryst. E70, m4–m5].
Anahtar Kelimeler
data-to-parameter ratio = 11.4 | mean σ(C-C) = 0.008 Å | R factor = 0.079 | single-crystal X-ray study | T = 296 K | wR factor = 0.209
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catena Poly diaquabis 4 formylbenzoato kO1 nickel II mu pyrazine k2N N

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