The simulation results show that diblock copolymers with longer A-blocks are more efficient as compatibilizers, and symmetric triblock copolymers with a shorter middle block length are easily able to bridge each other through the association of the end blocks.
Tetracationic multi-uracilophane is composed of two macrocyclic units bridged each other with an external methylene spacer, while in the cryptand-like dicationic uracilophane pyrimidinic moieties are connected with an internal methylene spacer.
The neighboring dimers are bridged to each other via water molecule through N─H⋯O, C─H⋯O, O─H⋯N, and O─H⋯O interactions.
Normal icosahedra constitute two types of slabs stacked alternately along the c-axis, being bridged with each other by face-sharing with icosioctahedra.
The calculated theoretical size of PAA-CNPs is shown in Table 1 and is nearly similar to the experimental HD of PAA-CNPs particles indicating that the particles are not bridged to each other.
Iron-centred normal icosahedra are linked to one another by face- and vertex-sharing forming two types of basal slabs, which are bridged with each other by face-sharing with icosioctahedra, whereas disordered icosahedra with positional disorder at their vertex sites are isolated from other polyhedra.
Contrary to cyclopentadienides of most other lanthanides, in Sm(C5H5 3 some C5H5 rings bridge each other by forming ring vertexes η1 or edges η2 toward another neighboring samarium atom, thereby creating polymeric chains.
The "cracks", upon closer inspection, bridge each other in a way that is inconsistent with any inorganic process (Fig. 8, B and C).
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