One-Dimensional CoIIand NiIIHelical Coordination Polymers Exhibiting Zero-Field Splitting

Ana Karina Seguin; Carlos Cruz; Katherine Villafuerte; Dayán Páez-Hernández; Diego Venegas-Yazigi; Verónica Paredes-García

doi:10.1021/acs.cgd.2c00728

One-Dimensional Co^IIand Ni^IIHelical Coordination Polymers Exhibiting Zero-Field Splitting

Ana Karina Seguin, Carlos Cruz, Katherine Villafuerte, Dayán Páez-Hernández, Diego Venegas-Yazigi, Verónica Paredes-García

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Two new coordination polymers {[MII(HL)(EtOH)2](ClO4)}n, where MII= Co (1) and Ni (2), were synthesized using a Schiff base ligand H2L = 2-{[(E)-1H-imidazol-4-ylmethylidene}amino]benzoic acid. Compounds 1 and 2 are isostructural, presenting a one-dimensional helical chain arrangement. Each metal center has a distorted octahedral geometry bridged by a syn-anti carboxylate group. The fitting of the magnetic susceptibility data in the 1.8-300 K range shows weak intrachain antiferromagnetic interaction for 1 and weak ferromagnetic interaction for 2, with the presence of zero-field splitting (zfs) phenomenon in both compounds. Theoretical calculations confirm the weak intrachain coupling in both compounds, but with a zfs phenomenon dominant at lower temperatures. A positive value for the zfs is also obtained, with a major spin-orbit coupling component.

Original language	English
Journal	Crystal Growth and Design
DOIs	https://doi.org/10.1021/acs.cgd.2c00728
Publication status	Accepted/In press - 2022

ASJC Scopus subject areas

General Chemistry
General Materials Science
Condensed Matter Physics

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10.1021/acs.cgd.2c00728

Cite this

@article{3557037e46db4e7cbd4b0481269c5997,

title = "One-Dimensional CoIIand NiIIHelical Coordination Polymers Exhibiting Zero-Field Splitting",

abstract = "Two new coordination polymers {[MII(HL)(EtOH)2](ClO4)}n, where MII= Co (1) and Ni (2), were synthesized using a Schiff base ligand H2L = 2-{[(E)-1H-imidazol-4-ylmethylidene}amino]benzoic acid. Compounds 1 and 2 are isostructural, presenting a one-dimensional helical chain arrangement. Each metal center has a distorted octahedral geometry bridged by a syn-anti carboxylate group. The fitting of the magnetic susceptibility data in the 1.8-300 K range shows weak intrachain antiferromagnetic interaction for 1 and weak ferromagnetic interaction for 2, with the presence of zero-field splitting (zfs) phenomenon in both compounds. Theoretical calculations confirm the weak intrachain coupling in both compounds, but with a zfs phenomenon dominant at lower temperatures. A positive value for the zfs is also obtained, with a major spin-orbit coupling component.",

author = "Seguin, {Ana Karina} and Carlos Cruz and Katherine Villafuerte and Day{\'a}n P{\'a}ez-Hern{\'a}ndez and Diego Venegas-Yazigi and Ver{\'o}nica Paredes-Garc{\'i}a",

year = "2022",

doi = "10.1021/acs.cgd.2c00728",

language = "English",

journal = "Crystal Growth and Design",

issn = "1528-7483",

publisher = "American Chemical Society",

}

TY - JOUR

T1 - One-Dimensional CoIIand NiIIHelical Coordination Polymers Exhibiting Zero-Field Splitting

AU - Seguin, Ana Karina

AU - Cruz, Carlos

AU - Villafuerte, Katherine

AU - Páez-Hernández, Dayán

AU - Venegas-Yazigi, Diego

AU - Paredes-García, Verónica

PY - 2022

Y1 - 2022

N2 - Two new coordination polymers {[MII(HL)(EtOH)2](ClO4)}n, where MII= Co (1) and Ni (2), were synthesized using a Schiff base ligand H2L = 2-{[(E)-1H-imidazol-4-ylmethylidene}amino]benzoic acid. Compounds 1 and 2 are isostructural, presenting a one-dimensional helical chain arrangement. Each metal center has a distorted octahedral geometry bridged by a syn-anti carboxylate group. The fitting of the magnetic susceptibility data in the 1.8-300 K range shows weak intrachain antiferromagnetic interaction for 1 and weak ferromagnetic interaction for 2, with the presence of zero-field splitting (zfs) phenomenon in both compounds. Theoretical calculations confirm the weak intrachain coupling in both compounds, but with a zfs phenomenon dominant at lower temperatures. A positive value for the zfs is also obtained, with a major spin-orbit coupling component.

AB - Two new coordination polymers {[MII(HL)(EtOH)2](ClO4)}n, where MII= Co (1) and Ni (2), were synthesized using a Schiff base ligand H2L = 2-{[(E)-1H-imidazol-4-ylmethylidene}amino]benzoic acid. Compounds 1 and 2 are isostructural, presenting a one-dimensional helical chain arrangement. Each metal center has a distorted octahedral geometry bridged by a syn-anti carboxylate group. The fitting of the magnetic susceptibility data in the 1.8-300 K range shows weak intrachain antiferromagnetic interaction for 1 and weak ferromagnetic interaction for 2, with the presence of zero-field splitting (zfs) phenomenon in both compounds. Theoretical calculations confirm the weak intrachain coupling in both compounds, but with a zfs phenomenon dominant at lower temperatures. A positive value for the zfs is also obtained, with a major spin-orbit coupling component.

UR - http://www.scopus.com/inward/record.url?scp=85143546861&partnerID=8YFLogxK

U2 - 10.1021/acs.cgd.2c00728

DO - 10.1021/acs.cgd.2c00728

M3 - Article

AN - SCOPUS:85143546861

SN - 1528-7483

JO - Crystal Growth and Design

JF - Crystal Growth and Design

ER -

One-Dimensional Co^IIand Ni^IIHelical Coordination Polymers Exhibiting Zero-Field Splitting

Abstract

ASJC Scopus subject areas

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