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Figure 2
Four closely related N-coligand structures. The CSD refcodes and associated references are as follows: WUKLEU (Yenikaya et al., 2009BB58), AYOLOP (Altin et al., 2004BB4) and NIBDIM (Uçar et al., 2007BB48). The occupation of the axial positions (light-blue blobs) of the proto-molecule (flat structure built upon tridentate pydc2− and monodentate N-coligand on the left) by water and carboxylate O (pink blobs) and/or amine N (dark-blue blobs) atoms (N,Obridged) are presented from left to right.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
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