Tuning the coordination geometry and magnetic relaxation of Co (II) single-ion magnets by varying the ligand substitutions

G Peng, YF Qian, ZW Wang, Y Chen… - Crystal Growth & …, 2021 - ACS Publications
Three mononuclear Co (II) complexes with the formulas of [Co (L1) 2](1),[Co (L2) 2 (CH3OH)
2](2), and [Co (L3) 2 (CH3OH) 2](3)(HL1= 4-nitro-2-((E)-(propylimino) methyl) phenol, HL2 …

Switching of easy-axis to easy-plane anisotropy in cobalt (II) complexes

Y Wu, J Xi, T Xiao, J Ferrando-Soria… - Inorganic Chemistry …, 2021 - pubs.rsc.org
A tetranuclear cubane-type complex [Co4 (ntfa) 4 (CH3O) 4 (CH3OH) 4](1) with a {Co4O4}
core, and a mononuclear complex [Co (ntfa) 2 (CH3OH) 2](2) have been rationally obtained …

Magneto-Structural Correlations in a Series of Pseudotetrahedral [CoII(XR)4]2– Single Molecule Magnets: An ab Initio Ligand Field Study

EA Suturina, D Maganas, E Bill, M Atanasov… - Inorganic …, 2015 - ACS Publications
Over the past several decades, tremendous efforts have been invested in finding molecules
that display slow relaxation of magnetization and hence act as single-molecule magnets …

Slow magnetic relaxation in penta-coordinate cobalt (II) field-induced single-ion magnets (SIMs) with easy-axis magnetic anisotropy

SS Massoud, ZE Perez, JR Courson, RC Fischer… - Dalton …, 2020 - pubs.rsc.org
Two penta-coordinate complexes of the general formula [Co (Ln)(NCS)] ClO4, where
L1={bis [(3, 5-dimethyl-1H-pyrazol-1-yl) ethyl]-[(3, 4-dimethoxypyridin-2-yl) methyl]} amine …

What controls the sign and magnitude of magnetic anisotropy in tetrahedral cobalt (II) single-ion magnets?

S Vaidya, S Tewary, SK Singh, SK Langley… - Inorganic …, 2016 - ACS Publications
A family of mononuclear tetrahedral cobalt (II) thiourea complexes,[Co (L1) 4](NO3) 2 (1)
and [Co (L x) 4](ClO4) 2 where x= 2 (2), 3 (3), 4 (4)(where L1= thiourea, L2= 1, 3 …

Two polymorphic Co (II) field-induced single-ion magnets with enormous angular distortion from the ideal octahedron

I Nemec, R Herchel, Z Trávníček - Dalton Transactions, 2018 - pubs.rsc.org
A mononuclear complex [Co (neo)(PhCOO) 2,], neo= neocuproine, PhCOO−= the benzoate
anion, was prepared in two polymorph forms crystallizing in the C2/c,(1) and P21/c,(2) space …

Tuning of Dimensionality and Nuclearity as a Function of Ligand Field Modulation Resulting in Field-Induced Cobalt (II) Single-Ion Magnet

SM Hossain, S Kamilya, S Ghosh… - Crystal Growth & …, 2023 - ACS Publications
The present study reveals that predetermined diverse topology and desired properties can
be achieved by strategically designing the ligand and it confirms that the structural and …

Role of Coordination Number and Geometry in Controlling the Magnetic Anisotropy in FeII, CoII, and NiII Single‐Ion Magnets

A Sarkar, S Dey, G Rajaraman - Chemistry–A European …, 2020 - Wiley Online Library
Since the last decade, the focus in the area of single‐molecule magnets (SMMs) has been
shifting constructively towards the development of single‐ion magnets (SIMs) based on …

Single‐Ion Magnetic Behavior in CoII–CoIII Mixed‐Valence Dinuclear and Pseudodinuclear Complexes

S Manna, A Bhunia, S Mistri, J Vallejo… - European Journal of …, 2017 - Wiley Online Library
Two CoII–CoIII mixed‐valance complexes of molecular formulas [Co2 (H2L) 2 (H2O) 2][Co2
(H2L) 2 (H2O)(m‐phth)]· 8 (H2O){1; H2L2–= 2‐[(2‐hydroxy‐3‐methoxybenzylidene) amino] …

Pentacoordinate cobalt (II) complexes with neutral tripodal N-donor ligands: Zero-field splitting for a distorted trigonal bipyramidal geometry

SS Massoud, RC Fischer, FA Mautner, MM Parfait… - Inorganica Chimica …, 2018 - Elsevier
A series of pentacoordinate Co (II) complexes of the composition [Co (bpdmpz) Cl] ClO 4
(1),[Co (bpdmpz) Cl] PF 6 (2),[Co (bdmpzp) Cl] ClO 4· H 2 O (3),[Co (bdmpzp) Cl] PF 6 …