Crystallization of ultraphosphates via the gas phase. The crystal structures of FeP4O11, ZnP4O11 and CdP4O11 |
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| Affiliation: | 1. Université HassanII de Casablanca, Faculté des Sciences Ben M’Sik, Département de Chimie, Laboratoire de Physico-Chimie des Matériaux Appliqués, Avenue Idriss El harti, B.P. 7955, Casablanca, Morocco;2. Sorbonne Universités, UPMC Univ Paris 06, CNRS, Collège de France, Laboratoire de Chimie de la Matière Condensée de Paris, 11 place Marcelin Berthelot, 75005, Paris, France;3. Institut de Recherche de Chimie Paris (IRCP), CNRS – Chimie Paris Tech – Paris Sciences et Lettres PSL UMR8247, 11 rue Pierre et Marie Curie, 75005, Paris, France;4. Sorbonne Universités, UPMC Univ Paris 06, France;1. IJL, UMR CNRS 7198, Université de Lorraine (UL), BP 70239, 54506 Vandoeuvre-lès-Nancy Cedex, France;2. LMA, Commissariat à l''Energie Atomique et aux énergies alternatives (CEA)-17, rue des Martyrs, 38054 Grenoble Cedex 9, France;1. Department of Physics and Chemistry, Henan Polytechnic University, Jiaozuo, Henan 454000, China;2. Department of Chemistry, Capital Normal University, Beijing 100048, China;3. State Key Laboratory of Structural Chemistry, Fuzhou, Fujian 350002, China;4. National Engineering Technology Research Center For Colloidal Materials, Shandong University, Jinan 250100, China;1. State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066600, China;2. Chemical Engineering College, Hebei Normal University of Science and Technology, Qinhuangdao, 066600, China;1. Fujian Provincial Key Laboratory of Advanced Materials, Department of Materials Science and Engineering, Xiamen University, Xiamen 361005, Fujian Province, People’s Republic of China;2. Department of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, Canada SK S7N 5E2;3. School of Materials Science and Engineering, Beihang University, Beijing 100191, People’s Republic of China |
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| Abstract: | The new ultraphosphates FeP4O11, ZnP4O11 and CdP4O11 of the CuP4O11 structure type were synthesized from the corresponding meta- or polyphosphates and P4O11. Crystallization via the gas phase has been achieved at elevated temperatures using a mixture of P (3 mg) and I2 (50 mg) as mineralizer. The crystal structure consists of a two-dimensional phosphate network, built from four crystallographically independent 10-membered polyphosphate rings. Each ring contains four secondary and six tertiary PO4-groups. Two crystallographically independent metal sites showing sixfold coordination by terminal oxygen atoms are located inbetween the phosphate layers. FeO6-octahedra (2.028(3) Å < d̄ FeO6 < 2.268(3) Å) and ZnO6 octahedra (2.002(2) Å < d̄ ZnO6 < 2.256(2) Å) exhibit slightly larger radial distortion than the CdO6-octahedra (2.215(7) Å < d̄ CdO6 < 2.383(3) Å). |
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