Control of the geometry and anisotropy driven by the combination of steric and anion coordination effects in Co II complexes with N 6-tripodal ligands: the impact of the …

A Landart, MM Quesada-Moreno, MA Palacios… - Dalton …, 2024 - pubs.rsc.org
Four mononuclear CoII complexes of formula [Co (L)(SCN) 2 (CH3OH) 0.5 (H2O) 0.5]· 1.5
H2O· 0.75 CH3OH (1),[Co (L1) Cl2]· H2O· 2CH3CN (2),[Co (L1)(SCN) 2]· 1.5 H2O· CH3OH …

Zero-Field Slow Magnetic Relaxation and Hysteresis Loop in Four-Coordinate CoII Single-Ion Magnets with Strong Easy-Axis Anisotropy

HH Cui, F Lu, XT Chen, YQ Zhang, W Tong… - Inorganic …, 2019 - ACS Publications
Two mononuclear tetrahedral Co (II) complexes (HNEt3) 2 [Co (L1) 2]· H2O (1) and (Bu4N) 2
[Co (L2) 2]· H2O (2)(H2L1= N, N′-bis (p-toluenesulfony1) oxamide, H2L2= N, N …

Slow magnetic relaxation in dinuclear Co (III)–Co (II) complexes containing a five-coordinated Co (II) centre with easy-axis anisotropy

M Liu, Y Yang, R Jing, S Zheng, A Yuan, Z Wang… - Dalton …, 2022 - pubs.rsc.org
Two air-stable Co (III)–Co (II) mixed-valence complexes of molecular formulas [CoIICoIII
(L)(DMAP) 3 (CH3COO)]· H2O· CH3OH (1) and [CoIICoIII (L)(4-Pyrrol) 3 (CH3COO)]· 0.5 …

Slow magnetic relaxation triggered by a structural phase transition in long-chain-alkylated cobalt (II) single-ion magnets

F Kobayashi, R Ohtani, M Nakamura… - Inorganic …, 2019 - ACS Publications
The behavior of single-ion magnets (SIMs) that reflects large distortions of their coordination
environments caused by the packing of long alkyl chains for two Co (II) complexes of the …

Field-induced single-ion magnet behavior in a hydrogen-bonded supramolecular cobalt (II) complex

D Shao, SY She, LF Shen, X Yang, Z Tian - Polyhedron, 2022 - Elsevier
Hydrogen-bonded supramolecular frameworks remain highly interesting for the
development of novel porous materials. Herein a hydrogen-bonded supramolecular …

Trigonal to pentagonal bipyramidal coordination switching in a Co (II) single-ion magnet

MA Hay, CJ McMonagle, C Wilson, MR Probert… - Inorganic …, 2019 - ACS Publications
In molecular magnetism and single-ion magnets in particular, the observation of slow
relaxation of the magnetization is intimately linked to the coordination environment of the …

Rotaxane CoII Complexes as Field‐Induced Single‐Ion Magnets

M Cirulli, E Salvadori, ZH Zhang… - Angewandte Chemie …, 2021 - Wiley Online Library
Mechanically chelating ligands have untapped potential for the engineering of metal ion
properties. Here we demonstrate this principle in the context of CoII‐based single‐ion …

Two Four‐Coordinate and Seven‐Coordinate CoII Complexes Based on the Bidentate Ligand 1, 8‐Naphthyridine Showing Slow Magnetic Relaxation Behavior

XC Huang, R Xu, YZ Chen, YQ Zhang… - Chemistry–An Asian …, 2020 - Wiley Online Library
For a long time, the cobalt (II) complex ([Co (napy) 4](ClO4) 2)(napy= 1, 8‐naphthyridine)
has been considered as an eight‐coordinate complex without any structural proof. After …

Field-induced single-ion magnet behaviour of a hexacoordinated Co (II) complex with easy-axis-type magnetic anisotropy

YP Tupolova, IN Shcherbakov, LD Popov… - Dalton …, 2019 - pubs.rsc.org
A coordination compound with the composition [CoLCl2]· H2O (L= bis-condensation product
of diacetyl and 2-hydrazinyl-4, 6-dimethylpyrimidine) was synthesized, in which the Co (II) …

Magnetic properties of two coordination isomeric cobalt (II) single-ion magnets

HH Cui, HJ Xu, T Zhang, S Luo, W Tong, M Wang… - Dalton …, 2023 - pubs.rsc.org
Two isomeric Co (II) complexes with the same general molecular formula of [Co (napy) 2
(NO3) 2](napy= 1, 8-naphthyridine) have been synthesized. X-ray single crystal structural …