Formation of Polynuclear Cadmium Pivalates in Exchange Reactions


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Abstract

The exchange reaction of CdCl2 ⋅ 2H2O with KPiv affords cadmium(II) trimethyl acetate complexes (K[Cd6(Piv)12Cl] ⋅ 2MeCN (I), [K2Cd3(Piv)8(H2O)6] (II), and [Cd(Piv)22О)2] (III) as a mixture with complex II and [K3Cd2(Piv)7(MeCN)2]n (IV) (HPiv is trimethylacetic acid). The exchange reaction of CdSO4 ⋅ 8/3H2O with Ba(Piv)2 makes it possible to obtain complex III in a quantitative yield. Complex III can also be isolated by the recrystallization of {Cd(Piv)2} from water. The recrystallization of complex III or {Cd(Piv)2} from MeCN affords hexanuclear complex [Cd6(Piv)12(MeCN)2] (V), which transforms into complex III upon recrystallization from water. All new compounds are characterized by the data of single-crystal X-ray diffraction analysis (CIF files CCDC no. 1572202–1572206), IR spectroscopy, and C,H,N analysis.

About the authors

N. V. Gogoleva

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: mkiskin@igic.ras.ru
Russian Federation, Moscow, 119991

A. A. Sidorov

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: mkiskin@igic.ras.ru
Russian Federation, Moscow, 119991

Yu. V. Nelyubina

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences; Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences

Email: mkiskin@igic.ras.ru
Russian Federation, Moscow, 119991; Moscow, 119991

M. A. Shmelev

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: mkiskin@igic.ras.ru
Russian Federation, Moscow, 119991

G. G. Aleksandrov

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: mkiskin@igic.ras.ru
Russian Federation, Moscow, 119991

G. N. Kuznetsova

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Email: mkiskin@igic.ras.ru
Russian Federation, Moscow, 119991

M. A. Kiskin

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences

Author for correspondence.
Email: mkiskin@igic.ras.ru
Russian Federation, Moscow, 119991

I. L. Eremenko

Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences; Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences

Email: mkiskin@igic.ras.ru
Russian Federation, Moscow, 119991; Moscow, 119991

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