Diaquabis(pyridine-2-carboxamide-kappa N-2(1),O-2)copper(II) squarate

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Atıf İçin Kopyala

Ucar I., Bulut A., YEŞİLEL O. Z., Olmez H., Buyukgungor O.

ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE, cilt.60, 2004 (SCI-Expanded)

• Yayın Türü: Makale / Tam Makale
• Cilt numarası: 60
• Basım Tarihi: 2004
• Doi Numarası: 10.1107/s1600536804030090
• Dergi Adı: ACTA CRYSTALLOGRAPHICA SECTION E-STRUCTURE REPORTS ONLINE
• Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Eskişehir Osmangazi Üniversitesi Adresli: Hayır

Özet

The title compound, [Cu(C6H6N2O)(2)(H2O)(2)](C4O4) [or Cu(pia)(2)(H2O)(2).Sq, where pia is picolinamide or pyridine-2-carboxyamide, and Sq is the squarate dianion, (C4O4)(2-)], has been synthesized and the crystal structure determination is reported. The Cu2+ cation, located on a centre of symmetry, is coordinated by two symmetry-related aqua ligands together with a pair of symmetry-related bidentate pia molecules and exhibits elongated octahedral trans-[CuN2O4] coordination geometry. The unligated Sq dianion also lies on a crystallographic inversion centre. The squarate O atoms link the Sq ions to the metal complex via O-H...O and O-H...N hydrogen bonds. Intermolecular pi-pi and C-H...pi interactions between the moieties also stabilize the crystal structure.