Piperazine-2,5-dione–oxalic acid–water (1/1/2) and a redetermination of piperazine-2,5-dione, both at 120 K: hydrogen-bonded sheets containing multiple ring types

Sarangarajan, T.R.; Panchanatheswaran, K.; Low, J.N.; Glidewell, C.

doi:10.1107/S0108270104034055

Acta Crystallographica Section C
Acta Crystallographica
Section C STRUCTURAL CHEMISTRY

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Figure 4
A stereoview of part of the crystal structure of (I), showing the formation of a (012) sheet containing $[R_{1}^{2}]$ (5), $[R_{2}^{2}]$ (8), $[R_{4}^{4}]$ (8) and $[R_{5}^{4}]$ (15) rings. For clarity, H atoms bonded to C atoms have been omitted.

STRUCTURAL
CHEMISTRY

ISSN: 2053-2296

Volume 61| Part 2| January 2005| Pages o118-o121

doi:10.1107/S0108270104034055

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