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Figure 4
Hydrogen bonds (shown as dashed lines) linking chains of semi-oxalate anions (a) via alaninium cations only, in the crystal structure of anhydrous DL-alaninium semi-oxalate, or (b) via alaninium cations and water mol­ecules, in the crystal structure of DL-alaninium semi-oxalate hydrate, (I)[link] (viewed along the [001] and [100] directions, respectively). The distances l, l1 and l2 between C atoms of anions in neighbouring chains are shown by black double-headed arrows. Dangling bonds have been omitted for clarity.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 2| January 2011| Pages o47-o51
doi:10.1107/S0108270110053655
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