Synthesis, Crystal Structure and Magnetic Behaviour of the new Tetrameric Gadolinium Carboxylate [Gd 4 (OH) 4 (CF 3 COO) 8 (H 2 O) 4 ] · 2.5 H 2 O | Zendy

John Daniela | Zendy; Urland Werner | Zendy

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Synthesis, Crystal Structure and Magnetic Behaviour of the new Tetrameric Gadolinium Carboxylate [Gd 4 (OH) 4 (CF 3 COO) 8 (H 2 O) 4 ] · 2.5 H 2 O

Author(s) -

John Daniela,

Urland Werner

Publication year - 2007

Publication title -

zeitschrift für anorganische und allgemeine chemie

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.354

H-Index - 66

eISSN - 1521-3749

pISSN - 0044-2313

DOI - 10.1002/zaac.200700171

Subject(s) - monoclinic crystal system , carboxylate , gadolinium , crystallography , crystal structure , antiferromagnetism , ion , chemistry , magnetic susceptibility , stereochemistry , physics , organic chemistry , condensed matter physics

The novel tetrameric gadolinium(III) compound [Gd 4 (OH) 4 (CF 3 COO) 8 (H 2 O) 4 ] · 2.5 H 2 O was synthesized and structurally characterized by X‐ray crystallography. The Gd 3+ ions are bridged by hydroxide ions and carboxylate groups to tetramers with Gd 3+ ‐Gd 3+ distances between 384.2(2) and 388.1(2) pm. The compound crystallizes in the monoclinic space group C 2/c (Z = 4). The magnetic behaviour of [Gd 4 (OH) 4 (CF 3 COO) 8 (H 2 O) 4 ] · 2.5 H 2 O was investigated in the temperature range of 2 to 300 K. The magnetic data of this compound indicate antiferromagnetic interactions ( J ex = −0.0197 cm −1 ).

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