A new cobalt(ii)–lithium(i) carboxylate complex with an N,O-donor mono-iminoacenaphthenone ligand: synthesis, structure and magnetic behavior†
Dmitriy S.
Yambulatov, 
*a
Stanislav A.
Nikolaevskii,
*a
Anton N.
Lukoyanov,
b
Maxim A.
Shmelev,
a
Julia K.
Voronina,
a
Konstantin A.
Babeshkin,
a
Anna K.
Matiukhina,
a
Nikolay N.
Efimov,
a
Mikhail A.
Kiskin
a
and
Igor L.
Eremenko
a
*a
Stanislav A.
Nikolaevskii,
*a
Anton N.
Lukoyanov,
b
Maxim A.
Shmelev,
a
Julia K.
Voronina,
a
Konstantin A.
Babeshkin,
a
Anna K.
Matiukhina,
a
Nikolay N.
Efimov,
a
Mikhail A.
Kiskin
a
and
Igor L.
Eremenko
a
Abstract
A new carboxylate complex [Co2Li2(Piv)6(L)2]·CH3CN (1) (Piv is the anion of pivalic acid) has been synthesized and structurally characterized. According to ac magnetic measurements, compound 1 exhibits a field induced slow magnetic relaxation, which is approximated by a combination of Raman and direct mechanisms. These data are confirmed by ab initio calculations indicating easy-plane anisotropy of Co(II) ions in the complex.
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