catena-Poly[[nickel(II)-µ(3)-1,1-dicyano-ethene-2,2-dithiol-ato-κS,S':N:N'-bis-[(15-crown-5)magnesium(II)]-µ(3)-1,1-dicyano-ethene-2,2-dithiol-ato-κN:N':S,S'] dichloride].
Acta Crystallogr Sect E Struct Rep Online
; 64(Pt 1): m174, 2007 Dec 12.
Article
em En
| MEDLINE
| ID: mdl-21200522
ABSTRACT
The reaction of MgCl(2), NiCl(2), and Na(2)(i-mnt) (i-mnt is 1,1-dicyano-thene-2,2-dithiol-ate) with 15-crown-5 (15-C-5) leads to an infinite chain polymer, {[NiMg(2)(C(4)N(2)S(2))(2)(C(10)H(20)O(5))(2)]Cl(2)}(n) or {[Mg(15-C-5)](2)[Ni(i-mnt)(2)]Cl(2)}(n), which consists of two [Mg(15-C-5)](2+) complex cations, one [Ni(i-mnt)(2)](2-) complex anion and two Cl(-) ions per formula unit. In the [Ni(i-mnt)(2)](2-) complex anion, Ni(2+) is located on a crystallographic mirror plane with a slightly distorted square-planar coordination by four S atoms. In the [Mg(15-C-5)](2+) complex cations, the Mg and one O atom of the crown lie on mirror planes and the Mg atoms are in sevenfold coordination environments of five O atoms from the crown and two N atoms from two i-mnt anions. The bridging of the two complexes via the Mg-N bonds leads to the formation of one-dimensional chains along the a axis.
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01-internacional
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MEDLINE
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En
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Acta Crystallogr Sect E Struct Rep Online
Ano de publicação:
2007
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Article