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@article{2327080,
author = {Dorošenko, Jaroslav and Šimoníková, Lucie and Moravec, Zdeněk and Vančo, Ján and Trávníček, Zdeněk and Pinkas, Jiří},
article_location = {ENGLAND},
article_number = {DEC},
doi = {http://dx.doi.org/10.1016/j.poly.2023.116694},
keywords = {Copper(II); Phosphonate; Synthesis; X-ray structures; Magnetism},
language = {eng},
issn = {0277-5387},
journal = {POLYHEDRON},
title = {Structurally diverse copper(II) phosphonates: Synthesis, structure, and magnetism},
url = {https://www.sciencedirect.com/science/article/pii/S0277538723004163},
volume = {246},
year = {2023}
}
TY - JOUR
ID - 2327080
AU - Dorošenko, Jaroslav - Šimoníková, Lucie - Moravec, Zdeněk - Vančo, Ján - Trávníček, Zdeněk - Pinkas, Jiří
PY - 2023
TI - Structurally diverse copper(II) phosphonates: Synthesis, structure, and magnetism
JF - POLYHEDRON
VL - 246
IS - DEC
SP - 116694
EP - 116694
PB - PERGAMON-ELSEVIER SCIENCE LTD
SN - 02775387
KW - Copper(II)
KW - Phosphonate
KW - Synthesis
KW - X-ray structures
KW - Magnetism
UR - https://www.sciencedirect.com/science/article/pii/S0277538723004163
N2 - A dinuclear copper phosphonate [Cu2(AIPA)2(H2O)4] (1) (H2AIPA = (2-aminopropan-2-yl)phosphonic acid) was prepared, and its reaction with 4,4′-bipyridine (4,4′-bpy) and ethylenediamine (en) yielded a linear-chain polymeric complex having the composition {Cu2(AIPA)2(H2O)2(4,4′-bpy)}n (2), and an ionic complex [Cu (en)2(H2O)2][Cu(AIPA)2] (3), respectively. The complexes were thoroughly characterized, and their structures were determined by single-crystal X-ray diffraction. Complex 2 was formed by the substitution of the two coordinated water molecules in complex 1 with two 4,4′-bpy nitrogen atoms with the preservation of the cyclic dinuclear moiety and forming 1D-polymeric chains in which the {Cu2(AIPA)2} moieties are connected via the rigid 4,4′-bpy bridges. In contrast, the utilization of the chelating en ligands led to splitting the dinuclear core of 1 into the mononuclear [Cu(en)2(H2O)2]2+ cation and the [Cu(AIPA)2]2 anion forming the ionic complex (3). The temperature dependent (2.5–300 K) magnetic susceptibility at 0.1 T and field dependent magnetization measurement (in the range of 0–9 T at 2, 5, and 10 K) data are also presented and discussed, reflecting structural diversity of the complexes 1, 2, and 3, and showing the following best-fit parameters: J = –5.68(3) cm 1, gx = 1.900(1), gy = 2.098(5), gz = 2.399(1), zJ = –0.012(7) cm 1 (for 1), J1-2 = J3-4 = –0.24(4) cm 1 with giso = 2.319 (4), and J2-3 = 0.2(1) cm 1 with giso = 2.319(4), and with zJ = –0.021(2) cm 1 (for 2 modelled as a polymeric alternating chain consisting of bridged dimeric units) and J = 0.185(9) cm 1, gx = 2.12(2), gy = 2.13(3), gz = 2.13(3), and zJ = –0.01(1) cm 1 (for 3).
ER -
DOROŠENKO, Jaroslav, Lucie ŠIMONÍKOVÁ, Zdeněk MORAVEC, Ján VANČO, Zdeněk TRÁVNÍČEK a Jiří PINKAS. Structurally diverse copper(II) phosphonates: Synthesis, structure, and magnetism. \textit{POLYHEDRON}. ENGLAND: PERGAMON-ELSEVIER SCIENCE LTD, 2023, roč.~246, DEC, s.~116694-116704. ISSN~0277-5387. Dostupné z: https://dx.doi.org/10.1016/j.poly.2023.116694.
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