198 Topics in Current Chemistry Editorial Board: A. de Meijere KN ...

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Functional Organic Zeolite Analogues 135 cular O-H◊◊◊O hydrogen bonds in place of C-C covalent bonds as in diamond. The resulting ice is necessarily a porous and hence low-density material, although the parent diamond is the high-density hardest solid even known. Much larger diamondoid lattices, e.g. 7 [31], 8 [32], 9 [33], 10 [34], 11 [35], 12 [36] and 13 [37] (Fig. 1) are obtained by using tetrahedral organic and inorganic components such as 4,4¢,4¢¢,4¢¢¢-tetrasubstituted methane and 1,3,5,7-tetrasubstituted adamantane derivatives and Cu I and Ag I centres, respectively. Rod-like spacers or connectors can also be used. The resulting diamondoid huge cavities in 9 and 11 incorporate two molecules of well-ordered butyric acid and > 7.7 molecules of disordered nitrobenzene and counter anion (BF 4 – ), respectively. Guest binding does not occur in other cases, where two or more networks overlap in such a way as to fill the cavities with each other. Such a self-inclusion can be prevented, however, by modifying the building blocks so that interpenetration or catenation of the networks becomes sterically less likely to occur [38, 39]. The PtS lattice contains both the square-planar (Pt) and tetrahedral (S) centres. A square-planar Pt complex Pt(CN) 4 2– , when interconnected with tetrahedral Cu I centres (CN◊◊◊Cu I ),affords an infinite network similar to the PtS structure [40]. Tetra(4-pyridyl)- (3; X=N and M=Cu II ) and tetra(4-cyanophenyl) porphyrin (3; X=C-CN and M=Cu II ) provide a huge square-planar site. They are also assembled with Cu I (CuBF 4) to give a similar structure 14 having porphyrinwalled channels in the two directions shown by the arrows (Fig. 2) [25]. 14 Fig. 2. PtS-related structure of 3 ◊ CuBF 4 (X=N and M=Cu II in 3). The counteranion is not shown for clarity. Identical channels (14) run in two directions shown by the arrows
136 Y. Aoyama A trigonal centre is found in the ThSi 2 lattice.A similar structure 16 is formed when a tritopic tricyano derivative 15 is connected with trigonal-bipyramidal Ag I (AgOTf; Tf=CF 3SO 2) centres (Fig. 3) [41]. The large channels generated, ~15 Å in 15◊AgOTf and at least 10 Å for the free space (i.e. distance between van der Waals surfaces of porphyrins facing each other) in 3 ◊ CuBF 4, are filled with solvent molecules and counter anions. It is not surprising that there is topological similarity in general between packing patterns of symmetric organic molecules and inorganic crystal structures. For example, 1,3,5,7-tetrahydroxyadamantane has four OH groups, each acting as a hydrogen-bond donor as well as an acceptor; the molecule as a whole behaves as an 8-connector and its crystal structure is topologically related to CsCl [42]. 2.3 Layered 2D Nets The channel is an important structural motif through which included guests may move. While, as noted above, porous 3D nets have a channel-like continui- 15 16 Fig. 3. ThSi 2-related structure of 15◊ AgOTf. The counteranion in 16 is not shown for clarity
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198 Topics in Current Chemistry Edi
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Design of Organic Solids Volume Edi
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Volume Editors Prof. Dr. Edwin Webe
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VIII preface tion at an amazing lev
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Contents of Volume 196 Carbon Rich
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2 J.P. Glusker 5 Interactions of Pl
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4 J.P. Glusker Perturbations to the
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6 J.P. Glusker 2.1 Sources of Cryst
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8 J.P. Glusker other induced, will
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10 J.P. Glusker The forces here hav
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12 J.P. Glusker lographic structure
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14 J.P. Glusker a c Fig. 6 a - c. D
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16 J.P. Glusker hydrogen bond H◊
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18 J.P. Glusker Fig. 9. Citric acid
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20 J.P. Glusker peptide plane and a
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22 J.P. Glusker 4.5 F◊◊◊H Int
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24 J.P. Glusker rine-containing com
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26 J.P. Glusker Fig. 17. The packin
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28 J.P. Glusker bind to a metal ion
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30 J.P. Glusker As for carboxylate
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32 J.P. Glusker Fig. 24. The magnes
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34 J.P. Glusker structures of magne
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36 J.P. Glusker b a Fig. 28 a, b. A
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38 J.P. Glusker Fig. 30. Complexati
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40 J.P. Glusker 7.1 Descriptions of
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42 J.P. Glusker Fig. 34. Glycine cr
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44 J.P. Glusker bonding capabilitie
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46 J.P. Glusker 2. Non-intercalativ
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48 J.P. Glusker d Fig. 37 d. The ch
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50 J.P. Glusker Fig. 39. Hydrogen-b
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52 J.P. Glusker 72, 104], but other
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54 J.P. Glusker 23. Cody V, Murray-
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56 J.P. Glusker: Directional Aspect
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58 A. Nangia · G.R. Desiraju 7 Sup
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60 A. Nangia · G.R. Desiraju elect
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62 A. Nangia · G.R. Desiraju 14 15
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64 A. Nangia · G.R. Desiraju [23]
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66 A. Nangia · G.R. Desiraju struc
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68 A. Nangia · G.R. Desiraju Fig.
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70 A. Nangia · G.R. Desiraju -NH 2
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72 A. Nangia · G.R. Desiraju ingfu
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74 A. Nangia · G.R. Desiraju and r
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76 A. Nangia · G.R. Desiraju bonds
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78 A. Nangia · G.R. Desiraju 2.86-
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80 A. Nangia · G.R. Desiraju from
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Page 161 and 162: 154 Y. Aoyama The desorption of the
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Page 165 and 166: 158 Y. Aoyama 5 Concluding Remarks
Page 167 and 168: 160 Y. Aoyama 4. Hölderich W, Hess
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Crystalline Polymorphism of Organic
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Author Index Volumes 151-198 Author
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Author Index Volumes 151 - 198 2 1
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Author Index Volumes 151 - 198 213
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Author Index Volumes 151 - 198 2 ]
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Springer and the environment At Spr
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