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Martins ICB, Al‐Sabbagh D, Bentrup U, Marquardt J, Schmid T, Scoppola E, Kraus W, Stawski TM, Guilherme Buzanich A, Yusenko KV, Weidner S, Emmerling F. Formation Mechanism of a Nano‐Ring of Bismuth Cations and Mono‐Lacunary Keggin‐Type Phosphomolybdate. Chemistry 2022; 28:e202200079. [PMID: 35267226 PMCID: PMC9322599 DOI: 10.1002/chem.202200079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Indexed: 11/07/2022]
Abstract
A new hetero‐bimetallic polyoxometalate (POM) nano‐ring was synthesized in a one‐pot procedure. The structure consists of tetrameric units containing four bismuth‐substituted monolacunary Keggin anions including distorted [BiO8] cubes. The nano‐ring is formed via self‐assembly from metal precursors in aqueous acidic medium. The compound (NH4)16[(BiPMo11O39)4] ⋅ 22 H2O; (P4Bi4Mo44) was characterized by single‐crystal X‐ray diffraction, extended X‐ray absorption fine structure spectroscopy (EXAFS), Raman spectroscopy, matrix‐assisted laser desorption/ionisation‐time of flight mass spectrometry (MALDI‐TOF), and thermogravimetry/differential scanning calorimetry mass spectrometry (TG‐DSC‐MS). The formation of the nano‐ring in solution was studied by time‐resolved in situ small‐ and wide‐angle X‐ray scattering (SAXS/WAXS) and in situ EXAFS measurements at the Mo−K and the Bi−L3 edge indicating a two‐step process consisting of condensation of Mo‐anions and formation of Bi−Mo‐units followed by a rapid self‐assembly to yield the final tetrameric ring structure.
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Affiliation(s)
- Inês C. B. Martins
- BAM Federal Institute for Materials Research and TestingRichard-Willstätter-Str.1112489BerlinGermany
| | - Dominik Al‐Sabbagh
- BAM Federal Institute for Materials Research and TestingRichard-Willstätter-Str.1112489BerlinGermany
| | - Ursula Bentrup
- Leibniz-Institut für Katalyse e. V. (LIKAT)Albert-Einstein-Str. 29a18059RostockGermany
| | - Julien Marquardt
- BAM Federal Institute for Materials Research and TestingRichard-Willstätter-Str.1112489BerlinGermany
| | - Thomas Schmid
- School of Analytical Sciences Adlershof (SALSA)Humboldt-Universität zu BerlinUnter den Linden 610099BerlinGermany
| | - Ernesto Scoppola
- Biomaterials, Hierarchical Structure of Biological and Bio-inspired MaterialsMax Planck Institute of Colloids and InterfacesAm Mühlenberg 114476PotsdamGermany
| | - Werner Kraus
- BAM Federal Institute for Materials Research and TestingRichard-Willstätter-Str.1112489BerlinGermany
| | - Tomasz M. Stawski
- BAM Federal Institute for Materials Research and TestingRichard-Willstätter-Str.1112489BerlinGermany
| | - Ana Guilherme Buzanich
- BAM Federal Institute for Materials Research and TestingRichard-Willstätter-Str.1112489BerlinGermany
| | - Kirill V. Yusenko
- BAM Federal Institute for Materials Research and TestingRichard-Willstätter-Str.1112489BerlinGermany
| | - Steffen Weidner
- BAM Federal Institute for Materials Research and TestingRichard-Willstätter-Str.1112489BerlinGermany
| | - Franziska Emmerling
- BAM Federal Institute for Materials Research and TestingRichard-Willstätter-Str.1112489BerlinGermany
- Department of ChemistryHumboldt-Universität zu BerlinBrook-Taylor-Str. 212489BerlinGermany
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Mukhacheva AA, Asanova T, Ryzhikov MR, Sukhikh TS, Kompankov NB, Yanshole VV, Berezin AS, Gushchin AL, Abramov PA, Sokolov MN. Keggin-type polyoxometalate 1 : 1 complexes of Pb(II) and Bi(III): experimental, theoretical and luminescence studies. Dalton Trans 2021; 50:6913-6922. [PMID: 33928982 DOI: 10.1039/d1dt00499a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Bi3+ and Pb2+ uptake by a monolacunary Keggin-type [PW11O39]7- anion leads to the formation of [PW11O39Bi]4- and [PW11O39Pb]5- complexes with a stereochemically active lone pair at the incorporated heterometal. The two complexes were isolated as (TBA)4[PW11O39Bi] (1) and (TBA)5[PW11O39Pb] (2) and characterized by 31P and 183W NMR spectroscopy, high-resolution electrospray mass-spectrometry (HR-ESI-MS) and cyclic voltammetry (CV). EXAFS and XANES data confirm the unchanged oxidation state and ψ-square pyramidal geometry of Bi3+ and Pb2+ in 1 and 2. DFT calculations were used in order to (i) confirm the absence of ligands attached to the heterometal sites in both complexes and localize the lone pair, and (ii) assign all signals in the 183W NMR spectra. Complexes 1 and 2 demonstrate photoluminescence (PL). A reversible change in the PL spectra of both complexes in the presence of water vapor has been detected. On the contrary, PL data for sandwich-type ((CH3)4N)4K3[H4(PW11O39)2Bi]·25H2O (3) do not show sensitivity to water vapor.
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Affiliation(s)
- Anna A Mukhacheva
- Nikolaev Institute of Inorganic Chemistry, 3 Akad. Lavrentiev Ave. 630090, Russia.
| | - Tatiana Asanova
- Nikolaev Institute of Inorganic Chemistry, 3 Akad. Lavrentiev Ave. 630090, Russia.
| | - Maxim R Ryzhikov
- Nikolaev Institute of Inorganic Chemistry, 3 Akad. Lavrentiev Ave. 630090, Russia.
| | - Taisiya S Sukhikh
- Nikolaev Institute of Inorganic Chemistry, 3 Akad. Lavrentiev Ave. 630090, Russia.
| | - Nikolay B Kompankov
- Nikolaev Institute of Inorganic Chemistry, 3 Akad. Lavrentiev Ave. 630090, Russia.
| | - Vadim V Yanshole
- International Tomography Center, Institutskaya str. 3a, 630090, Novosibirsk, Russia and Novosibirsk State University, Pirogova str. 1, 630090, Novosibirsk, Russia
| | - Alexey S Berezin
- Nikolaev Institute of Inorganic Chemistry, 3 Akad. Lavrentiev Ave. 630090, Russia.
| | - Artem L Gushchin
- Nikolaev Institute of Inorganic Chemistry, 3 Akad. Lavrentiev Ave. 630090, Russia.
| | - Pavel A Abramov
- Nikolaev Institute of Inorganic Chemistry, 3 Akad. Lavrentiev Ave. 630090, Russia.
| | - Maxim N Sokolov
- Nikolaev Institute of Inorganic Chemistry, 3 Akad. Lavrentiev Ave. 630090, Russia.
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Manna P, Szücs D, Csupász T, Fekete A, Szikra D, Lin Z, Gáspár A, Bhattacharya S, Zulaica A, Tóth I, Kortz U. Shape and Size Tuning of Bi III-Centered Polyoxopalladates: High Resolution 209Bi NMR and 205/206Bi Radiolabeling for Potential Pharmaceutical Applications. Inorg Chem 2020; 59:16769-16782. [PMID: 33174740 DOI: 10.1021/acs.inorgchem.0c02857] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
We have discovered five bismuth(III)-containing polyoxopalladates (POPs) which were fully characterized by solution and solid-state physicochemical techniques: the cube-shaped [BiPd12O32(AsPh)8]5- (BiPd12AsL), [BiPd12O32(AsC6H4N3)8]5- (BiPd12AsLN), and [BiPd12O32(AsC6H4COO)8]13- (BiPd12AsLC) as well as the star-shaped [BiPd15O40(PO)10H6]11- (BiPd15P) and [BiPd15O40(PPh)10]7- (BiPd15PL), respectively. The organically modified capping groups phenylarsonate, p-azidophenylarsonate, and p-carboxyphenylarsonate were chosen as the azido (-N3) and carboxyl (-COOH) groups open up opportunities to covalently conjugate (via click reaction, amide coupling, etc.) with targeting vectors. The synthesis of p-azidophenylarsonate is reported here for the first time. The effects of the BiIII template and the organoarsonate vs -posphonate capping groups on the resulting POP shape (cube vs star) are discussed. The 209Bi NMR (I = 9/2) spectra of BiPd12AsL, BiPd12AsLN, and BiPd12AsLC revealed narrow peaks (ν1/2 ∼ 200 Hz) at 5470 ppm with a longitudinal relaxation time in the millisecond range (at 8.46 T). The absence of a quadrupolar relaxation contribution could be attributed to the allocation of BiIII in the highly symmetrical cuboid POP host cage. Similar peaks were absent in the 209Bi-NMR spectra of the star-shaped POPs BiPd15P and BiPd15PL due to the less symmetric coordination environment around the central BiIII ion. Further, 205/206Bi-radiolabeled POPs have been synthesized by incorporating a 205/206BiIII ion in the center of the POP structures. Carrier-free 205/206Bi radioisotopes (as surrogates of α-emitting 213Bi) were incorporated into the POP host-cage for the preparation of 205/206BiPd12AsL, 205/206BiPd12AsLN, 205/206BiPd12AsLC, and 205/206BiPd15PL, respectively. The radiometal incorporation was complete (>99% radiochemical yield) in 10 min according to radio-thin-layer chromatography. The 205/206BiPd12AsL polyanion was purified by solid-phase extraction. The incubation in rat serum showed the formation of a 205/206BiPd12AsL-protein aggregate.
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Affiliation(s)
- Paulami Manna
- Department of Life Sciences and Chemistry, Jacobs University, Campus Ring 1, 28759 Bremen, Germany
| | - Dániel Szücs
- Department of Physical Chemistry, University of Debrecen, Egyetemtér 1, 4032 Debrecen, Hungary.,Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, University of Debrecen, Nagyerdeikörút 98, 4032 Debrecen, Hungary.,Doctoral School of Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetemtér 1, H-4032 Debrecen, Hungary
| | - Tibor Csupász
- Department of Physical Chemistry, University of Debrecen, Egyetemtér 1, 4032 Debrecen, Hungary.,Doctoral School of Chemistry, Faculty of Science and Technology, University of Debrecen, Egyetemtér 1, H-4032 Debrecen, Hungary
| | - Anikó Fekete
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, University of Debrecen, Nagyerdeikörút 98, 4032 Debrecen, Hungary
| | - Dezső Szikra
- Division of Nuclear Medicine and Translational Imaging, Department of Medical Imaging, University of Debrecen, Nagyerdeikörút 98, 4032 Debrecen, Hungary
| | - Zhengguo Lin
- Department of Life Sciences and Chemistry, Jacobs University, Campus Ring 1, 28759 Bremen, Germany.,Key Laboratory of Cluster Science, Ministry of Education of China, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, People's Republic of China
| | - Attila Gáspár
- Department of Inorganic and Analytical Chemistry, University of Debrecen, Egyetemtér 1, 4032 Debrecen, Hungary
| | - Saurav Bhattacharya
- Department of Life Sciences and Chemistry, Jacobs University, Campus Ring 1, 28759 Bremen, Germany
| | - Alexandra Zulaica
- Department of Life Sciences and Chemistry, Jacobs University, Campus Ring 1, 28759 Bremen, Germany
| | - Imre Tóth
- Department of Physical Chemistry, University of Debrecen, Egyetemtér 1, 4032 Debrecen, Hungary.,Department of Inorganic and Analytical Chemistry, University of Debrecen, Egyetemtér 1, 4032 Debrecen, Hungary
| | - Ulrich Kortz
- Department of Life Sciences and Chemistry, Jacobs University, Campus Ring 1, 28759 Bremen, Germany
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