Oxyfluorinated compounds with an open structure XVI. Synthesis,structure determination and magnetic properties of Fe4F3(PO4)(HPO4)4(H2O)4(N2C3H12) [ULM-15] |
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| Affiliation: | 1. Institut LAVOISIER, I.R.E.M., UMR C173, Université de Versailles — St. Quentin-en-Yvelines, 45 avenue des Etats-Unis, 78035 Versailles Cedex, France;2. Laboratoire de Physique de l''Etat Condensé, URA CNRS 807, Faculté des Sciences, Université du Maine, Avenue Olivier Messiaen, 72017 Le Mans Cedex, France;1. Department of Physics, Dongguk University, Pildong-ro, Choong-gu, Seoul, 100-715, South Korea;2. School of Materials Science and Engineering, Shanghai University, Shanghai, 200072, PR China;1. Institute of Inorganic Chemistry Siberian Branch of RAS, 630090 Novosibirsk, Russia;2. Novosibirsk National Research State University, 630090 Novosibirsk, Russia;3. Institute of Physical and Organic Chemistry, Southern Federal University, 344090 Rostov-on-Don, Russia;4. Federal Research Centre of Fundamental and Translational Medicine, Institute of Molecular Biology and Biophysics, 630117 Novosibirsk, Russia |
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| Abstract: | Fe4F3(PO4)(HPO4)4(H2O)4(N2C3H12) (labelled ULM-15) was prepared hydrothermally (7 days, 453 K, autogenous pressure) in the presence of 1,3-diaminopropane as organic template. Its structure was determined by single crystal X-ray diffraction. ULM-15 is monoclinic (Space group C2/c (no 15)) with lattice parameters a = 24.176(1) , b = 14.558(1) , c = 7.186(1) , β = 102.3(1)°, V = 2470.8(3) 3, Z = 4. Its three-dimensional framework is constituted from corner-sharing FeX6 (X = O, F, H2O) octahedra and tetrahedral PO4 and HPO4 groups. The structure presents trans-chains of FeO4F2 octahedra related to ferric dimers [Fe2O8F2(H2O)2] by tetrahedral units. They delimit 16-membered rings channels along [001] in which the diprotonated amines are inserted. ULM-15 shows 3D antiferromagnetic behaviour below TN ≈ 22 K. |
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