Exploiting complementary ligands for the construction of square antiprismatic monometallic lanthanide SMMs

Yushu Jiao; Sidra Sarwar; Sergio Sanz; Jan van Leusen; Natalya V. Izarova; Cameron L. Campbell; Euan K. Brechin; Scott J. Dalgarno; Paul Kögerler

doi:10.1039/d1dt00359c

Exploiting complementary ligands for the construction of square antiprismatic monometallic lanthanide SMMs

Yushu Jiao
, Sidra Sarwar
, Sergio Sanz
, Jan van Leusen
, Natalya V. Izarova
, Cameron L. Campbell
, Euan K. Brechin
, Scott J. Dalgarno
, Paul Kögerler

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

7 Citations (Scopus)

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Abstract

The methylation of p-tert-butylcalix[4]arene in the distal 1,3-phenolic sites provides the ligand H₂L = {p-tert-butylcalix[4](OMe)₂(OH)₂arene} that enables construction of heteroleptic mononuclear lanthanide complexes. The reaction of (N(nBu)₄)(acac) (Hacac = acetylacetone), M^IIICl₃ and H₂L under Schlenk conditions results in the formation of a family of (N(nBu)4)[M^IIIL(acac)₂] complexes where M = Y (1), Gd (2), Tb (3) and Dy (4). The metal ions are eight-coordinate in distorted square-antiprismatic coordination geometries, resulting in slow relaxation of the magnetisation for the Tb derivative.

Original language	English
Pages (from-to)	9648-9654
Number of pages	7
Journal	Dalton Transactions
Volume	50
Issue number	27
Early online date	18 Jun 2021
DOIs	https://doi.org/10.1039/d1dt00359c
Publication status	Published - 21 Jul 2021

ASJC Scopus subject areas

Inorganic Chemistry

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title = "Exploiting complementary ligands for the construction of square antiprismatic monometallic lanthanide SMMs",

abstract = "The methylation of p-tert-butylcalix[4]arene in the distal 1,3-phenolic sites provides the ligand H2L = \{p-tert-butylcalix[4](OMe)2(OH)2arene\} that enables construction of heteroleptic mononuclear lanthanide complexes. The reaction of (N(nBu)4)(acac) (Hacac = acetylacetone), MIIICl3 and H2L under Schlenk conditions results in the formation of a family of (N(nBu)4)[MIIIL(acac)2] complexes where M = Y (1), Gd (2), Tb (3) and Dy (4). The metal ions are eight-coordinate in distorted square-antiprismatic coordination geometries, resulting in slow relaxation of the magnetisation for the Tb derivative.",

author = "Yushu Jiao and Sidra Sarwar and Sergio Sanz and \{van Leusen\}, Jan and Izarova, \{Natalya V.\} and Campbell, \{Cameron L.\} and Brechin, \{Euan K.\} and Dalgarno, \{Scott J.\} and Paul K{\"o}gerler",

note = "Funding Information: We thank the Chinese Scholarship Council (CSC) and the Punjab Educational Endowment Fund (PEEF) for Ms Yushu Jiao and Sidra Sarwar scholarships. EKB thanks the EPSRC (EP/N01331X/1). Publisher Copyright: {\textcopyright} The Royal Society of Chemistry 2021.",

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doi = "10.1039/d1dt00359c",

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TY - JOUR

T1 - Exploiting complementary ligands for the construction of square antiprismatic monometallic lanthanide SMMs

AU - Jiao, Yushu

AU - Sarwar, Sidra

AU - Sanz, Sergio

AU - van Leusen, Jan

AU - Izarova, Natalya V.

AU - Campbell, Cameron L.

AU - Brechin, Euan K.

AU - Dalgarno, Scott J.

AU - Kögerler, Paul

N1 - Funding Information: We thank the Chinese Scholarship Council (CSC) and the Punjab Educational Endowment Fund (PEEF) for Ms Yushu Jiao and Sidra Sarwar scholarships. EKB thanks the EPSRC (EP/N01331X/1). Publisher Copyright: © The Royal Society of Chemistry 2021.

PY - 2021/7/21

Y1 - 2021/7/21

N2 - The methylation of p-tert-butylcalix[4]arene in the distal 1,3-phenolic sites provides the ligand H2L = {p-tert-butylcalix[4](OMe)2(OH)2arene} that enables construction of heteroleptic mononuclear lanthanide complexes. The reaction of (N(nBu)4)(acac) (Hacac = acetylacetone), MIIICl3 and H2L under Schlenk conditions results in the formation of a family of (N(nBu)4)[MIIIL(acac)2] complexes where M = Y (1), Gd (2), Tb (3) and Dy (4). The metal ions are eight-coordinate in distorted square-antiprismatic coordination geometries, resulting in slow relaxation of the magnetisation for the Tb derivative.

AB - The methylation of p-tert-butylcalix[4]arene in the distal 1,3-phenolic sites provides the ligand H2L = {p-tert-butylcalix[4](OMe)2(OH)2arene} that enables construction of heteroleptic mononuclear lanthanide complexes. The reaction of (N(nBu)4)(acac) (Hacac = acetylacetone), MIIICl3 and H2L under Schlenk conditions results in the formation of a family of (N(nBu)4)[MIIIL(acac)2] complexes where M = Y (1), Gd (2), Tb (3) and Dy (4). The metal ions are eight-coordinate in distorted square-antiprismatic coordination geometries, resulting in slow relaxation of the magnetisation for the Tb derivative.

UR - https://www.scopus.com/pages/publications/85109930055

U2 - 10.1039/d1dt00359c

DO - 10.1039/d1dt00359c

M3 - Article

C2 - 34160497

SN - 1477-9226

VL - 50

SP - 9648

EP - 9654

JO - Dalton Transactions

JF - Dalton Transactions

IS - 27

ER -

Exploiting complementary ligands for the construction of square antiprismatic monometallic lanthanide SMMs

Abstract

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