Structure and Magnetic Properties of One-Dimensional PPh4[Ni(pn)2][M(CN)6]·H2O (M = Fe, Cr, Co) Bimetallic Assemblies

Masaaki Ohba, Naoki Usuki, Nobuo Fukita, Hisashi Ökawa

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Abstract

Three bimetallic assemblies, PPh4[Ni(pn)2][M(CN)6]·H2O (M = Fe (1), Cr (2), Co (3); pn = rac-1,2-diaminopropane), have been prepared and structurally and magnetically characterized. Assembly 2 crystallizes in the monoclinic system of the space group P2/c (No. 13) with a = 12.927(2) Å, b = 8.454(2) Å, r = 17.564(2) Å, β= 100.15(1)°, V= 1889.5(6) Å3, and Z = 2, and 3 crystallizes in the same space group with a = 12.971(1) Å, b = 8.437(1) Å, c = 17.118(1) Å, β= 99.84(1)°, V = 1845.7(3) Å3, and Z = 2. The crystal structure analyses of 2 and 3 reveal a one-dimensional zigzag chain structure extending through the M-CN-Ni-NC-M linkages as previously found for 1. Assemblies 1 and 2 show a ferromagnetic intrachain interaction based on the strict orthogonality of the magnetic orbitals between adjacent NiII and MIII (M = Fe, Cr) ions. Assembly 3 is essentially paramagnetic within the chain. All the assemblies show a weak antiferromagnetic interchain interaction and hence no magnetic ordering over the lattice.

Original languageEnglish
Pages (from-to)3349-3354
Number of pages6
JournalInorganic chemistry
Volume37
Issue number13
Publication statusPublished - Dec 1 1998

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assemblies
Magnetic properties
magnetic properties
assembly
orthogonality
linkages
interactions
orbitals
crystal structure
Magnetization
Crystal structure
Ions
ions

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

Cite this

Structure and Magnetic Properties of One-Dimensional PPh4[Ni(pn)2][M(CN)6]·H2O (M = Fe, Cr, Co) Bimetallic Assemblies. / Ohba, Masaaki; Usuki, Naoki; Fukita, Nobuo; Ökawa, Hisashi.

In: Inorganic chemistry, Vol. 37, No. 13, 01.12.1998, p. 3349-3354.

Research output: Contribution to journalArticle

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abstract = "Three bimetallic assemblies, PPh4[Ni(pn)2][M(CN)6]·H2O (M = Fe (1), Cr (2), Co (3); pn = rac-1,2-diaminopropane), have been prepared and structurally and magnetically characterized. Assembly 2 crystallizes in the monoclinic system of the space group P2/c (No. 13) with a = 12.927(2) {\AA}, b = 8.454(2) {\AA}, r = 17.564(2) {\AA}, β= 100.15(1)°, V= 1889.5(6) {\AA}3, and Z = 2, and 3 crystallizes in the same space group with a = 12.971(1) {\AA}, b = 8.437(1) {\AA}, c = 17.118(1) {\AA}, β= 99.84(1)°, V = 1845.7(3) {\AA}3, and Z = 2. The crystal structure analyses of 2 and 3 reveal a one-dimensional zigzag chain structure extending through the M-CN-Ni-NC-M linkages as previously found for 1. Assemblies 1 and 2 show a ferromagnetic intrachain interaction based on the strict orthogonality of the magnetic orbitals between adjacent NiII and MIII (M = Fe, Cr) ions. Assembly 3 is essentially paramagnetic within the chain. All the assemblies show a weak antiferromagnetic interchain interaction and hence no magnetic ordering over the lattice.",
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N2 - Three bimetallic assemblies, PPh4[Ni(pn)2][M(CN)6]·H2O (M = Fe (1), Cr (2), Co (3); pn = rac-1,2-diaminopropane), have been prepared and structurally and magnetically characterized. Assembly 2 crystallizes in the monoclinic system of the space group P2/c (No. 13) with a = 12.927(2) Å, b = 8.454(2) Å, r = 17.564(2) Å, β= 100.15(1)°, V= 1889.5(6) Å3, and Z = 2, and 3 crystallizes in the same space group with a = 12.971(1) Å, b = 8.437(1) Å, c = 17.118(1) Å, β= 99.84(1)°, V = 1845.7(3) Å3, and Z = 2. The crystal structure analyses of 2 and 3 reveal a one-dimensional zigzag chain structure extending through the M-CN-Ni-NC-M linkages as previously found for 1. Assemblies 1 and 2 show a ferromagnetic intrachain interaction based on the strict orthogonality of the magnetic orbitals between adjacent NiII and MIII (M = Fe, Cr) ions. Assembly 3 is essentially paramagnetic within the chain. All the assemblies show a weak antiferromagnetic interchain interaction and hence no magnetic ordering over the lattice.

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