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Bis{di-μ-isobutyrato-bis­[cis-diammineplatinum(II)]} tetraperchlorate

✍ Scribed by Sakai, Ken ;Ishigami, Eri

Publisher
International Union of Crystallography
Year
2003
Tongue
English
Weight
881 KB
Volume
60
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, [Pt 2 ("-C 4 H 7 O 2 ) 2 (NH 3 ) 4 ] 2 (ClO 4 ) 4 , involves two independent diplatinum(II) units. For each unit, a pair of dimeric units located around an inversion center are associated with one another to give a tetranuclear Pt II 4 cation, in which the interdimer association is stabilized by four hydrogen bonds formed between the ammines and the butyrate O atoms. The intradimer and interdimer PtÐPt distances within these tetraplatinum(II) chain cations are, respectively, 2.9881 (4) and 3.2619 (6) A Ê for one set of dimers, and 3.0246 (4) and 3.3049 (6) A Ê for the other set of dimers.

📜 SIMILAR VOLUMES

A head-to-head isomer of bis(μ-N-methyl­
A head-to-head isomer of bis(μ-N-methyl­isonicotinamidato)­bis­[cis-diammineplatinum(II)] tetraperchlorate
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Single-crystal X-ray study T = 296 K Mean '(C±C) = 0.013 A Ê Disorder in solvent or counterion R factor = 0.035 wR factor = 0.062 Data-to-parameter ratio = 10.5 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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In the title compound, [Pt II 2 (C 4 H 6 NO) 2 (NH 3 ) 4 ](SO 4 )ÁH 2 O, the intradimer Pt II ÐPt II distance is 2.9749 (11) A Ê , which is clearly shorter than the value of 3.029 (2) A Ê reported for a different salt of the same cation, viz. [Pt II 2 (C 4 H 6 NO) 2 (NH 3 ) 4 ] 2 (PF 6 ) 3 -(NO 3 )Á