Abstract
The first example of polyoxovanadate layered framework with a cobalt coordination complex as a pillaring unit, CoII(μ-C2N2H8)2[V IV4 V V2 O14], was readily synthesized under hydrothermal conditions. The structure can be solved and refined in monoclinic P2 1 /n with a = 9.143(3) Å, b = 6.5034(11) Å, c = 15.874(4) Å, β = 101.90(2), V = 923.6(4) Å3 and Z = 2. The crystal structure comprises two-dimensional {V IV4 V V2 O14}2− layers extending parallel to [101], constructed from tetrahedral {VVO4} and square pyramidal {VIVO5} building units. Adjacent layers are linked through the octahedral {CoIIO2(μ-C2N2H8)2} pillars, within which the CoII resides on an inversion center. The structure displays N–H···O and C–H···O hydrogen bonding between the ethylenediamine and vanadium oxide layers.
Graphical Abstract
A new polyoxovanadate layered framework pillared with a cobalt coordination complex, CoII(μ-C2N2H8)2[V IV4 V V2 O14], has been prepared hydrothermally and fully characterized.
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Acknowledgments
The Thailand Research Fund, the Commission for Higher Education, the Center of Excellence for Innovation in Chemistry, and the Thailand Toray Science Foundation are acknowledged for financial support. B. Yotnoi thanks the Royal Golden Jubilee Ph.D. Program and the Graduate School of Chiang Mai University for Graduate Scholarship.
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Yotnoi, B., Limtrakul, J., Prior, T. et al. Preparation and Characterization of Bis(μ-1,2-diaminoethane)cobalt(II) Hexavanadate: A Layered Polyoxovanadate Pillared by a Cobalt Coordination Complex. J Chem Crystallogr 39, 525–529 (2009). https://doi.org/10.1007/s10870-009-9529-9
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DOI: https://doi.org/10.1007/s10870-009-9529-9