Characterization of Tetracyanopyridine (TCNPy)‐Based Magnets: V[TCNPy] 2 ⋅ z  (CH 2 Cl 2 ) ( T  c =111 K) and V[TCNPy] 3 ⋅ z  (CH 2 Cl 2 ) ( T  c =90 K) | Zendy

Hao Jingjun | Zendy; Davidson Royce A. | Zendy; Kareis Christopher M. | Zendy; Kavand Marzieh | Zendy; van Schooten Kipp J. | Zendy; Boehme Christoph | Zendy; Wöß Eva | Zendy; Knör Günther | Zendy; Miller Joel S. | Zendy

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Characterization of Tetracyanopyridine (TCNPy)‐Based Magnets: V[TCNPy] 2 ⋅ z (CH 2 Cl 2 ) ( T c =111 K) and V[TCNPy] 3 ⋅ z (CH 2 Cl 2 ) ( T c =90 K)

Author(s) -

Hao Jingjun,

Davidson Royce A.,

Kareis Christopher M.,

Kavand Marzieh,

van Schooten Kipp J.,

Boehme Christoph,

Wöß Eva,

Knör Günther,

Miller Joel S.

Publication year - 2016

Publication title -

chemistry – a european journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.687

H-Index - 242

eISSN - 1521-3765

pISSN - 0947-6539

DOI - 10.1002/chem.201602385

Subject(s) - coercivity , crystallography , analytical chemistry (journal) , magnet , chemistry , spin glass , materials science , physics , condensed matter physics , chromatography , quantum mechanics

The reaction of 2,3,5,6‐tetracyanopyridine (TCNPy) with V(CO) 6 in CH 2 Cl 2 forms new organic‐based magnets of V[TCNPy] x ⋅ z (CH 2 Cl 2 ) ( x =2, 3) composition. Analysis of the IR spectra suggests that the TCNPy is reduced and coordinated to V II sites through the nitriles. V[TCNPy] x order as ferrimagnets with 111 and 90 K T c values for V[TCNPy] 2 and V[TCNPy] 3 , respectively. Their respective remanent magnetizations and coercive fields are 1260 and 250 emuOe mol −1 and 9 and 6 Oe at 5 K, and they exhibit some spin‐glass behavior.

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