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Figure 2
The two-dimensional square-grid network motif observed in (I)[link]. Note that every {La(NO3)4(H2O)2} connecting node is associated with four neighbouring porphyrin units either via coordination or hydrogen bonds (denoted by dashed lines). H atoms have been omitted and the La and water O atoms are shown as small spheres.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 65| Part 10| September 2009| Pages m371-m373
doi:10.1107/S0108270109034532
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