Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: PbII4{Co2[B(OH)2P2O8](PO4)2}Cl

Yang, Miao; Chen, Peng; Welz‐Biermann, Urs

doi:10.1002/zaac.201000166

Cited by 3 publications

(1 citation statement)

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“…The oligomeric FBUs are reported to occur in M 9 [BP 4 O 16 ][PO 4 ] (M = Pb, Sr) structures without protonation. , The hydroxyl group on the PO 4 tetrahedron, however, may open a way to further condensation. Another lead-containing borophosphate prepared hydrothermal is Pb II 4 {Co 2 [B(OH) 2 P 2 O 8 ](PO 4 ) 2 ]}Cl . Here, the 2D layers of composition {Co 2 [B(OH) 2 P 2 O 8 ](PO 4 ) 2 ]} 7– are built up from unusual CoO 5 square pyramids, [B(OH) 2 P 2 O 8 ] trimers and PO 4 tetrahedra, forming six-membered rings and zeolite-type sipro-5 units.…”

Section: Synthesismentioning

confidence: 99%

New Developments in the Synthesis, Structure, and Applications of Borophosphates and Metalloborophosphates

Li¹,

Verena‐Mudring

2016

Crystal Growth & Design

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An overview about the recent key developments of borophosphate chemistry since 2007 is given. The structural chemistry (B:P ratio, fundamental building units (FBUs), dimensionality and metal coordination), possible physical, and optical and chemical properties are discussed in detail in terms of materials obtained by traditional solid-state reactions, flux methods, and hydrothermal and ionothermal reactions. Borophosphates (BPOs) exhibit a tremendous structural variety. Which structure is formed depends critically on the chosen starting materials and synthetic conditions. For example, for metalloborophosphates (MBPOs) changing the metal-precursor can result in the formation of a new BPO. MBPOs containing chains or extended networks of interconnected transition metal-oxide polyhedra exhibit remarkable magnetic coupling schemes and electronic behavior aside from interesting optical behavior and catalytic properties. The exploration of novel fundamental building units (FBUs), such as FBUs with P−O− P bonds and two-dimensional mixed-coordinated anionic partial structures, that have not been observed previously advocates the great potential in designing novel functional BPOs for advanced applications. While many BPOs initially obtained from conventional synthetic methods can be prepared by hydrothermal synthesis, it has recently been realized that BPOs obtained by ionothermal methods often could not be synthesized by conventional synthetic methods. Thus, novel synthetic approaches offer access to new materials.

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Section: Synthesismentioning

confidence: 99%

New Developments in the Synthesis, Structure, and Applications of Borophosphates and Metalloborophosphates

Li¹,

Verena‐Mudring

2016

Crystal Growth & Design

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ChemInform Abstract: Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: Pb^II₄{Co₂ [B(OH)₂P₂O₈] (PO₄)₂}Cl.

Yang¹,

Chen²,

Welz‐Biermann³

2010

ChemInform

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Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: {Co2[B(OH)2P2O8](PO4)2}Cl. -Title compound (III) crystallizes in the trigonal space group R3c with Z = 18 (single crystal XRD). The structure consists of novel cobalt borophosphate layers {Co2[B(OH)2P2O8](PO4 } and extra-framework Pb 2+ and Clions. Magnetic measurements indicate antiferromagnetic interactions between the Co 2+ ions with a negative Weiss constant of -20.3 K. -(YANG*, M.; CHEN, P.; WELZ-BIERMANN, U.

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LiCu2[BP2O8(OH)2]: a chiral open-framework copper borophosphate via spontaneous asymmetrical crystallization

Yang

et al. 2013

Dalton Trans.

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A new chiral copper borophosphate, LiCu 2 [BP 2 O 8 (OH) 2 ] (1), was crystallized from achiral inorganic raw materials in boric acid flux reaction. The structure features a 9-ring channel enclosed by triple right-handed helices. The bulk sample exhibits optical activity confirmed by circular dichroism (CD) spectra, indicating an interesting spontaneous resolution phenomenon.Chiral inorganic microporous materials with distinct porosity and chirality are particularly desirable because of the increasing demand for many applications in enantioselective sorption, separation and asymmetric catalysis. 1 However, it remains a significant challenge to control the synthesis of enantiopure inorganic open framework materials. Considerable efforts have been made to search for such materials, and several synthetic strategies were developed including incorporating chiral moieties or chiral ligands into the building blocks, and introducing a chiral template, solvent or catalyst into the synthetic system. 2 Recent research works on the synthesis of chiral aluminophosphates, 3 germantes 4 and borates 5 suggest that another possible route is to change the framework elements. This hypothesis was supported by a molecular design and calculation result, namely that, in order to obtain energetically stable chiral four-connected zeotype materials, some of the framework atoms should be substituted by other types of atoms such as Be, B, Ge, As or transition metals, etc. 6 It is highly desirable to prepare homochiral porous materials from achiral raw materials due to the high cost and limitation of enantiopure resources. 7 Very recently, two optical active inorganic microporous compounds (C 4 16 is the first chiral borophosphate with intersecting 12-ring channels spontaneously crystallized from an ionothermal system. Although so many chiral borophosphates were synthesized by spontaneous crystallization, none of them showed optical activity in circular dichroism (CD) measurements, which meant that those bulk materials were racemic conglomerates.In this work, we have for the first time identified a new optically active open-framework copper borophosphate compound, † Electronic supplementary information (ESI) available: Details of synthesis, characterization and crystal structure determination, XRD and TG/DSC and magnetic measurements for 1. CCDC 902700. For ESI and crystallographic data in CIF or other electronic format see

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Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: Pb^II₄{Co₂[B(OH)₂P₂O₈](PO₄)₂}Cl

Cited by 3 publications

References 19 publications

New Developments in the Synthesis, Structure, and Applications of Borophosphates and Metalloborophosphates

New Developments in the Synthesis, Structure, and Applications of Borophosphates and Metalloborophosphates

ChemInform Abstract: Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: Pb^II₄{Co₂ [B(OH)₂P₂O₈] (PO₄)₂}Cl.

LiCu2[BP2O8(OH)2]: a chiral open-framework copper borophosphate via spontaneous asymmetrical crystallization

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Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: PbII4{Co2[B(OH)2P2O8](PO4)2}Cl

Cited by 3 publications

References 19 publications

New Developments in the Synthesis, Structure, and Applications of Borophosphates and Metalloborophosphates

New Developments in the Synthesis, Structure, and Applications of Borophosphates and Metalloborophosphates

ChemInform Abstract: Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: PbII4{Co2 [B(OH)2P2O8] (PO4)2}Cl.

LiCu2[BP2O8(OH)2]: a chiral open-framework copper borophosphate via spontaneous asymmetrical crystallization

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Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: Pb^II₄{Co₂[B(OH)₂P₂O₈](PO₄)₂}Cl

ChemInform Abstract: Synthesis, Crystal Structure, and Characterization of a New Metal Borophosphate: Pb^II₄{Co₂ [B(OH)₂P₂O₈] (PO₄)₂}Cl.