Crystal Structures of (RS)-Di-p-chlorotetrakis(ethane-1,2-diamine)nickel(II) Dichloride and Diperchlorate

Gerald A. Bottomley, Laurence G. Glossop, Colin L. Raston, Allan H. White, Anthony C. Willis

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)

Abstract

The crystal structures of [(en)2NiCl2Ni(en)2] Cl2 (1) and [(en)2NiCl2Ni(en)2] (C1O4)2 (2) have been redetermined from single-crystal X-ray diffraction data at 295(1) K and refined by least squares to residuals of 0·073 and 0·052 respectively for 1345 and 1605 ‘observed’ reflections respectively. Crystals of (1) are monoclinic, P21n, a 14·053(4), b 11·309(3), c 6·326(1) Å, β 94·22(2)°, Z 2. Crystals of (2) are monoclinic, P21n, a 8·885(12), b 19·707(20), c 7·120(8) Å, β 108·99(4)°, Z 2. In both (1) and (2), a dimeric complex cation is observed, a pair of cis coordination sites about the nickel in each case being occupied by the bridging chlorines; the latter are asymmetric (Ni-Cl, 2·461(3), 2·551(3) (1); 2·461(3), 2·512(3) Å (2)).

Original languageEnglish
Pages (from-to)285-290
Number of pages6
JournalAustralian Journal of Chemistry
Volume31
Issue number2
DOIs
Publication statusPublished - 1978
Externally publishedYes

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