Complex 3 presents a 3D framework with a point symbol of (4·64·8)(42·62·82).
Complex 2 takes on an 8-connected architecture and the point symbol is (424.64).
It possesses the Wells point symbol (4864)(4762 4 and has the Wellsean Schläfli index (41/2, 51/5).
MOF 1 is a rare 3,9-connected FEZNUU net with point symbol of (4.62)(410.617.89)(43), whereas MOF 2 exhibits a new topology, in which a four nodes 4,4,5,5-connected 4,4,5,5-connectedt symbols of (43.52.6)(43.53.62.72), respectively.
Single X-ray diffraction analysis reveals that complex 1 is a 3D 3,6-connected net with the point symbol of (6110.84)(63)2 and complex 2 is a 2D 3-connected net with the point symbol of (63).
4 consists of a (3,4 -connected 2D network with a point symbol of (4·82)(4·73,4 -connected hydrogen bonding architecture.
Topological analysis shows that coordination polymer 1 possesses uninodal 4-connected SP1-periodic net with point symbol {33.42.5} and compound 2 assumes 3-connected SP1-periodic net with point symbol {42.6}.
By changing the auxiliary ligand, compound 3 presents a new (4,5 -connected 3D network with the point symbol of (4,5 -connected).
{K2[Cu μ-pydc 2]·3H2O}n shows a rare topology consists of three dimensional (3,4,5)-connected network with the point symbol of {K2[Cu μ-pydc 243.6.86}2.
While 1 and 3 are, in a topological perspective, identical (the sole difference being on the number of crystallization water molecules), being a 4-connected uninodal 2D networks with point symbol of {44.62}, 2 and 4 are in turn a 4,5-connected binodal (point symbol of {44.62}{44.64}) and 5-connected uninodal (point symbol of {46.64}) 3D networks, respectively.
