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A new family of 1D, 2D and 3D frameworks aggregated from Ni5, Ni4 and Ni7 building units: synthesis, structure, and magnetism.

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Title: A new family of 1D, 2D and 3D frameworks aggregated from Ni5, Ni4 and Ni7 building units: synthesis, structure, and magnetism.
Authors: Liu, Ya-Hui1, Lu, Li-Ping1, Zhu, Miao-Li1,2, Feng, Si-Si1,2, Su, Feng1
Source: Dalton Transactions: An International Journal of Inorganic Chemistry. 6/14/2016, Vol. 45 Issue 22, p9267-9278. 12p.
Subjects: Biphenyl compounds, Infrared spectroscopy, X-ray diffraction, Thermogravimetry, Magnetochemistry, Ferromagnetic materials
Abstract: Three new Ni(ii)-clusters based on a Y-shaped ligand (biphenyl-3,4′,5-tricarboxylate, H3BPT), [Ni5(HBPT)4(OH)2(H2O)12]n (1), [Ni4(BPT)2(OH)2(H2O)6]n·4nH2O (2), and [Ni7(BPT)2(1,4-bib)2(OH)6(HCO2)2]n·3nH2O (3) (1,4-bib = 1,4-bi(1H-imidazol-1-yl)benzene), have been synthesized under solvothermal conditions. They were studied by infrared spectroscopy (IR), single crystal X-ray diffraction, thermogravimetric analysis (TGA), and magnetochemistry. The complexes contain low nuclear Ni-clusters as building units (BUs). Structurally, in 1, the cluster BUs of [Ni5(μ3-OH)2]8+ can be viewed as two reverse triangles sharing a common vertex, which are connected by the partially deprotonated μ2–η1:η1-HBPT2− forming 1D chains. The BUs of [Ni4(μ3-OH)2]6+ clusters in 2 can be considered as two reverse triangles sharing a common edge and extended by deprotonated μ6–η1:η1:η1:η1:η2-BPT3− constructing a 2D framework. The 3D framework of complex 3 consists of a [Ni7(μ3-OH)4(R-COO)7(HCO2)3] cluster BUs with fully deprotonated μ5–η1:η1:η1:η1:η1:η1-BPT3− and 1,4-bib ligands. In addition, TGA reveals that the complexes are stable in the range of 293–548 K. Magnetostructural analyses indicate ferromagnetic coupling of J1 = 1.85(3) and J2 = 2.25(4) cm−1 in 1 and J = 5.76(6) cm−1 in 2, whereas magnetic parameters J1 = −2.64(3), J2 = −23.22(19) and J3 = 12.02(5) cm−1 indicate an alternating magnetic chain (AF/F) in 3. [ABSTRACT FROM AUTHOR]
Copyright of Dalton Transactions: An International Journal of Inorganic Chemistry is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A new family of 1D, 2D and 3D frameworks aggregated from Ni<subscript>5</subscript>, Ni<subscript>4</subscript> and Ni<subscript>7</subscript> building units: synthesis, structure, and magnetism.
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  Data: <searchLink fieldCode="AR" term="%22Liu%2C+Ya-Hui%22">Liu, Ya-Hui</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Lu%2C+Li-Ping%22">Lu, Li-Ping</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Zhu%2C+Miao-Li%22">Zhu, Miao-Li</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Feng%2C+Si-Si%22">Feng, Si-Si</searchLink><relatesTo>1,2</relatesTo><br /><searchLink fieldCode="AR" term="%22Su%2C+Feng%22">Su, Feng</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="DE" term="%22Biphenyl+compounds%22">Biphenyl compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Infrared+spectroscopy%22">Infrared spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+diffraction%22">X-ray diffraction</searchLink><br /><searchLink fieldCode="DE" term="%22Thermogravimetry%22">Thermogravimetry</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetochemistry%22">Magnetochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Ferromagnetic+materials%22">Ferromagnetic materials</searchLink>
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  Data: Three new Ni(ii)-clusters based on a Y-shaped ligand (biphenyl-3,4′,5-tricarboxylate, H3BPT), [Ni5(HBPT)4(OH)2(H2O)12]n (1), [Ni4(BPT)2(OH)2(H2O)6]n·4nH2O (2), and [Ni7(BPT)2(1,4-bib)2(OH)6(HCO2)2]n·3nH2O (3) (1,4-bib = 1,4-bi(1H-imidazol-1-yl)benzene), have been synthesized under solvothermal conditions. They were studied by infrared spectroscopy (IR), single crystal X-ray diffraction, thermogravimetric analysis (TGA), and magnetochemistry. The complexes contain low nuclear Ni-clusters as building units (BUs). Structurally, in 1, the cluster BUs of [Ni5(μ3-OH)2]8+ can be viewed as two reverse triangles sharing a common vertex, which are connected by the partially deprotonated μ2–η1:η1-HBPT2− forming 1D chains. The BUs of [Ni4(μ3-OH)2]6+ clusters in 2 can be considered as two reverse triangles sharing a common edge and extended by deprotonated μ6–η1:η1:η1:η1:η2-BPT3− constructing a 2D framework. The 3D framework of complex 3 consists of a [Ni7(μ3-OH)4(R-COO)7(HCO2)3] cluster BUs with fully deprotonated μ5–η1:η1:η1:η1:η1:η1-BPT3− and 1,4-bib ligands. In addition, TGA reveals that the complexes are stable in the range of 293–548 K. Magnetostructural analyses indicate ferromagnetic coupling of J1 = 1.85(3) and J2 = 2.25(4) cm−1 in 1 and J = 5.76(6) cm−1 in 2, whereas magnetic parameters J1 = −2.64(3), J2 = −23.22(19) and J3 = 12.02(5) cm−1 indicate an alternating magnetic chain (AF/F) in 3. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Dalton Transactions: An International Journal of Inorganic Chemistry is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1039/c5dt04953a
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 12
        StartPage: 9267
    Subjects:
      – SubjectFull: Biphenyl compounds
        Type: general
      – SubjectFull: Infrared spectroscopy
        Type: general
      – SubjectFull: X-ray diffraction
        Type: general
      – SubjectFull: Thermogravimetry
        Type: general
      – SubjectFull: Magnetochemistry
        Type: general
      – SubjectFull: Ferromagnetic materials
        Type: general
    Titles:
      – TitleFull: A new family of 1D, 2D and 3D frameworks aggregated from Ni5, Ni4 and Ni7 building units: synthesis, structure, and magnetism.
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          Name:
            NameFull: Liu, Ya-Hui
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            NameFull: Lu, Li-Ping
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            NameFull: Zhu, Miao-Li
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            NameFull: Feng, Si-Si
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            NameFull: Su, Feng
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            – D: 14
              M: 06
              Text: 6/14/2016
              Type: published
              Y: 2016
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              Value: 45
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              Value: 22
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            – TitleFull: Dalton Transactions: An International Journal of Inorganic Chemistry
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