Paramagnetic One-dimensional Chain Containing High-spin Manganese Atoms Showing Antiferromagnetic Interaction Through –Pt–Rh–Rh–Pt– Bonds

2021 ◽  
Author(s):  
Kazuhiro Uemura ◽  
Yusuke Aoki ◽  
Atsushi Takamori
Keyword(s):  
High Spin ◽  
Antiferromagnetic Interaction ◽  
Magnetic Interactions ◽  
Dimensional Chain ◽  
One Dimensional ◽  
1D Chain

To exploit the magnetic interactions of multiple metals, heterometallic one-dimensional (1D) chain containing three kinds of metals, Rh, Pt, and Mn, where [Rh2(O2CCH3)4] and [Pt2Mn(piam)4(NH3)4]2+ (piam = pivalamidate) are connected...

scholarly journals Synthesis, Crystal Structure and Magnetic Properties of 1D Chain Complexes Based on Azo Carboxylate Oxime Ligand

2021 ◽  
Vol 7 (7) ◽  
pp. 105
Author(s):  
Min Zeng ◽  
Xi Chen ◽  
Hui-Zhong Kou
Keyword(s):  
Crystal Structure ◽  
Magnetic Properties ◽  
High Spin ◽  
Magnetic Measurements ◽  
Antiferromagnetic Coupling ◽  
Dimensional Chain ◽  
One Dimensional ◽  
Chain Complexes ◽  
1D Chain ◽  
Oxime Ligand

Two carboxylate-bridged one-dimensional chain complexes, {[MnII(MeOH)2][FeIII(L)2]2}n (1) and {[MnII(DMF)2][MnIII(L)2]2·DMF}n (2) [H2L = ((2-carboxyphenyl)azo)-benzaldoxime], containing a low-spin [FeIII(L)2]− or [MnIII(L)2]− unit were synthesized. Magnetic measurements show that the adjacent high-spin MnII and low-spin MIII ions display weak antiferromagnetic coupling via the syn–anti carboxyl bridges, with J = −0.066(2) cm−1 for complex 1 and J = −0.274(2) cm−1 for complex 2.

Synthesis, Crystal Structure and Antibacterial Activity of 1D Chain Ca(II) Coordination Polymer

2011 ◽  
Vol 282-283 ◽  
pp. 96-99
Author(s):  
Xi Shi Tai
Keyword(s):  
Crystal Structure ◽  
Antibacterial Activity ◽  
Coordination Polymer ◽  
Chain Structure ◽  
Molar Conductance ◽  
Dimensional Chain ◽  
X Ray Diffraction ◽  
One Dimensional ◽  
X Ray ◽  
1D Chain

1D chain Ca(II) coordination polymer was synthesized and characterized by elemental analysis, molar conductance, IR and single-crystal X-ray diffraction, The results of crystal structure show that each Ca(II) ion forms eight-coordinated and the complex formed one dimensional chain structure by the oxygen atoms of carboxylate and water bridged. The antibacterial activity of the Ca(II) coordination polymer and the ligand were tested, the results show that the complex show considerable antibacterial activity against escherichia coli, bacillus subtilis and staphylococcus white.

scholarly journals An Uneven Chain-like Ferromagnetic Copper(II) Coordination Polymer Displaying Metamagnetic Behavior and Long-Range Magnetic Ordering

2021 ◽  
Vol 8 (1) ◽  
pp. 2
Author(s):  
Cai-Ming Liu ◽  
You Song
Keyword(s):  
Molecular Structure ◽  
Coordination Polymer ◽  
Hydrogen Bonds ◽  
Long Range ◽  
Three Dimensional ◽  
Magnetic Ordering ◽  
Antiferromagnetic Interaction ◽  
Ferromagnetic Coupling ◽  
One Dimensional ◽  
1D Chain

Ferromagnetic coupling exists in an uneven chain-like copper(II) complex with both end-on azido and syn-syn carboxylato bridges, (Cu3(L)2(N3)4(H2O)3)n (1, HL = 6-hydroxynicotinic acid). It is the first example of one-dimensional (1D) chain-like copper(II) coordination polymer showing both metamagnetic behavior and long-range magnetic ordering (Tc = 6.7 K), thanks to the interchain hydrogen bonds, which make a three-dimensional (3D) supramolecular array of the entire molecular structure and mediate the interchain antiferromagnetic interaction.

The comparative studies on the magnetic relaxation behaviour of the axially-elongated pentagonal-bipyramidal dysprosium and erbium ions in similar one-dimensional chain structures

2021 ◽  
Author(s):  
Fei Wang ◽  
Hui-Wen Gong ◽  
Yan Zhang ◽  
Anqi Xue ◽  
Wenhua Zhu ◽  
...  
Keyword(s):  
Comparative Studies ◽  
Magnetic Relaxation ◽  
Dimensional Chain ◽  
Relaxation Behaviour ◽  
One Dimensional ◽  
Erbium Ions ◽  
1D Chain ◽  
Chain Compounds

A family of cyano-bridged 3d−4f 1D chain compounds, {RE[TM(CN)6(2-PNO)5]}·(H2O)4 {RE = YIII, TM = [FeIII]LS (1); RE = DyIII, TM = CoIII (3); RE = ErIII, TM = [FeIII]LS (4),...

scholarly journals Synthesis and structural characterization of a novel 2D supramolecular lead coordination polymer with phenanthroline derivate and adipic acid

2021 ◽  
Vol 44 (1) ◽  
pp. 239-242
Author(s):  
Yu Song ◽  
Yu Yan ◽  
Hua Zhang ◽  
Xiuyan Wang
Keyword(s):  
Coordination Polymer ◽  
Adipic Acid ◽  
Layer Structure ◽  
Dimensional Chain ◽  
Hydrothermal Conditions ◽  
One Dimensional ◽  
1D Chain ◽  
Elemental Analyses ◽  
Metal Organic

Abstract A new metal-organic coordination polymer, [Pb(L)(adip)0.5] (1) was synthesized under hydrothermal conditions by using 1-(1H-imidazo[4,5-f][1,10]phenanthrolin-2-yl)naphthalen-2-ol (HL) and adipic acid (H2adip). The complex 1 was characterized by diffraction and elemental analyses. In complex 1, the binuclear [Pb2L2] units were formed by the OH-deprotonation bridging neighboring Pb(II) atoms, and the adipate linked the binuclear [Pb2L2] units to form a symmetric one-dimensional chain. The 1D chain was further extended to the 2D supramolecular layer structure through π-π interactions between the L ligands.

Crystal transformation in Mn(II) metal-organic frameworks based on a one-dimensional chain precursor

2021 ◽  
Author(s):  
Yansong Jiang ◽  
Rui Liu ◽  
Yiran Gong ◽  
Yong Fan ◽  
Li Wang ◽  
...  
Keyword(s):  
Coordination Polymer ◽  
Metal Organic Frameworks ◽  
Chain Structure ◽  
Isophthalic Acid ◽  
Solvothermal Reaction ◽  
Dimensional Chain ◽  
One Dimensional ◽  
Crystal Transformation ◽  
1D Chain ◽  
Metal Organic

The solvothermal reaction of Mn(II) salts and 5-((4’-(tetrazol-5’’-yl)benzyl)oxy)isophthalic acid (H3L) affords a Mn(II) based coordination polymer Mn(HL)2(H2O)2 (1), which possess a one-dimensional (1D) chain structure. Using 1 as the precursor,...

New Type of Single Chain Magnet: Pseudo-One-Dimensional Chain of High-Spin Co(II) Exhibiting Ferromagnetic Intrachain Interactions

2013 ◽  
Vol 52 (11) ◽  
pp. 6559-6569 ◽  
Author(s):  
V. Tangoulis ◽  
M. Lalia-Kantouri ◽  
M. Gdaniec ◽  
Ch. Papadopoulos ◽  
V. Miletic ◽  
...  
Keyword(s):  
High Spin ◽  
Dimensional Chain ◽  
Single Chain ◽  
One Dimensional ◽  
New Type

Bis(hfac)-copper(II) complexes bridged by pyrimidines showing magnetic interactions

2001 ◽  
Vol 57 (6) ◽  
pp. 772-779 ◽  
Author(s):  
Masanori Yasui ◽  
Yoshimitsu Ishikawa ◽  
Takayuki Ishida ◽  
Takashi Nogami ◽  
Fujiko Iwasaki
Keyword(s):  
Coordination Mode ◽  
Room Temperature ◽  
Chain Structure ◽  
The Other ◽  
Magnetic Interactions ◽  
Dimensional Chain ◽  
One Dimensional ◽  
Low Temperature Crystal Structure ◽  
Ferromagnetic Interactions ◽  
Paramagnetic Properties

Crystals of bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)bispyrimidinecopper(II) (1), bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)bis(4-methylpyrimidine)copper(II) (2), bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)bis(quinazoline)copper(II) (3) showed ferromagnetic interactions at extremely low temperature. Crystal structure analyses revealed that these complexes were catena-bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)[μ-pyrimidine-N 1:N 3]copper(II), [Cu(hfac)2(pm)2] n , catena-bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)[μ-4-methylpyrimidine-N 1:N 3]copper(II), [Cu(hfac)2(4-Me-pm)] n , and catena-bis(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)[μ-pyrimidine-N 1:N 3]copper(II), [Cu(hfac)2(qz)] n , for (1), (2) and (3), respectively. In (1) and (2) the pyrimidines bridge the Cu atoms with an axial–equatorial mode to form one-dimensional spiral chains. Complex (3) also forms a one-dimensional chain structure. The coordination mode of (3) is axial–axial at room temperature, while axial–equatorial at 120 K. On the other hand, the structure of the other modification of the 4-methylpyrimidine complex (4), showing paramagnetic properties, was revealed to be a trinuclei complex bridged by two 4-methylpyrimidines, tris[bis-(1,1,1,5,5,5-hexafluoropentane-2,4-dionato)copper(II)][bis-μ-4-methyl-pyrimidine-N 1:N 3]. The chain structures with an axial–equatorial coordination mode of the bridging organic moieties should play an important role in the appearance of the ferromagnetic interactions.

[{Mn(salen)CN}n]: The First One-Dimensional Chain with Alternating High-Spin and Low-Spin MnIII Centers Exhibits Metamagnetism

1999 ◽  
Vol 38 (1-2) ◽  
pp. 171-173 ◽  
Author(s):  
Naohide Matsumoto ◽  
Yukinari Sunatsuki ◽  
Hitoshi Miyasaka ◽  
Yuzo Hashimoto ◽  
Dominique Luneau ◽  
...  
Keyword(s):  
High Spin ◽  
Dimensional Chain ◽  
One Dimensional
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