Acta Crystallographica Section C

Crystal Structure Communications

Volume 59, Part 12 (December 2003)

Acta Cryst. (2003). C59, m546-m548    [doi:10.1107/S0108270103025447]

catena-Poly[[trans-bis(ethane-1,2-diamine-²N,N')copper(II)]--dithionato-²O:O'] and trans-diaquabis(propane-1,3-diamine-²N,N')copper(II) dithionate

Y. Kim, B. W. Skelton and A. H. White

Abstract: In title anhydrous catena-poly[[trans-bis(ethane-1,2-diamine-²N,N')copper(II)]--dithionato-²O:O'], [Cu(S₂O₆)(C₂H₈N₂)₂]_n or [{H₂N(CH₂)₂NH₂}₂Cu(O·O₂SSO₂·O)], successive Cu atoms are bridged by a single doubly charged dithionate group, forming a one-dimensional polymer with inversion centres at the metal atoms and the mid-point of the S-S bond [Cu-O  =  2.5744  (15)  Å]. In title (hydrated) trans-diaquabis(propane-1,3-diamine-²N,N')copper(II) dithionate, [Cu(C₃H₁₀N₂)₂(H₂O)₂](S₂O₆) or [{H₂N(CH₂)₃NH₂}₂Cu(OH₂)₂](S₂O₆), both ions have imposed 2/m symmetry. The `axial' anion components are displaced by a pair of water ligands [Cu-O  =  2.439  (3)  Å], the shorter Cu-O distance being compensated by the lengthened Cu-N distance [2.0443  (18), cf. 2.0100  (13) and 2.0122  (16)  Å].

Formula: [Cu(S₂O₆)(C₂H₈N₂)₂] and [Cu(C₃H₁₀N₂)₂(H₂O)₂](S₂O₆)

Online 30 November 2003

	Structure factor file (CIF format) (122.5 kbytes) Contains datablock I
	Structure factor file (CIF format) (84.6 kbytes) Contains datablock II

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