01125nas a2200145   4500008004100000022001400041245017200055210006900227260011000296300001400406520039200420100001700812700001800829856013200847       2005                        eng d  a1359-734500aHydrogen bond mediated open-frame networks in coordination polymers: supramolecular assemblies of Pr(III) and 3,5-dinitro-4-methylbenzoic acid with aza-donor compounds0 aHydrogen bond mediated openframe networks in coordination polyme  aTHOMAS GRAHAM HOUSE, SCIENCE PARK, MILTON RD, CAMBRIDGE CB4 0WF, CAMBS, ENGLANDbROYAL SOC CHEMISTRYcFEB  a1824-18263 a<p>A coordination assembly of 3,5-dinitro-4-methylbenzoic acid and Pr(III), synthesized by hydrothermal methods forms a host structure, which is stable up to 300 degrees C, through C-H center dot center dot center dot O hydrogen bonds and accommodates different types of guest species varying from simple molecules like water to larger molecules like trans-1,2-bis(4-pyridyl) ethene.</p>1 aVarughese, S1 aPedireddi, VR  uhttps://library.ncl.res.in/content/hydrogen-bond-mediated-open-frame-networks-coordination-polymers-supramolecular-assemblies-001115nas a2200157   4500008004100000022001400041245010500055210006900160260010600229300001400335490000700349520044500356100001700801700001800818856012100836       2005                        eng d  a0040-403900aNovel supramolecular assembly of 3,5-dinitro-4-methylbenzoic acid and trans-1,2-bis(4-pyridyl)ethene0 aNovel supramolecular assembly of 35dinitro4methylbenzoic acid an  aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLANDbPERGAMON-ELSEVIER SCIENCE LTDcAPR  a2411-24150 v463 a<p>A novel organic assembly, formed between 3,5-dinitro-4-methylbenzoic acid and trans-1,2-bis(4-pyridyl)ethene under hydrothermal conditions in the presence of Pr(III) and a layered structure obtained by direct co-crystallization of the reactants at ambient conditions is reported. The structures of the complexes were established, unambiguously, by single crystal X-ray diffraction methods. (c) 2005 Elsevier Ltd. All rights reserved.</p>1 aVarughese, S1 aPedireddi, VR  uhttps://library.ncl.res.in/content/novel-supramolecular-assembly-35-dinitro-4-methylbenzoic-acid-and-trans-12-bis4-000989nas a2200157   4500008004100000022001400041245011600055210006900171260007100240300001400311490000600325520033600331100001400667700001800681856013200699       2005                        eng d  a1528-748300aPoly(pseudo)rotaxane-like network mediated by hydrogen bonds in the solid-state structure of 1,7-phenanthroline0 aPolypseudorotaxanelike network mediated by hydrogen bonds in the  a1155 16TH ST, NW, WASHINGTON, DC 20036 USAbAMER CHEMICAL SOCcJUL  a1309-13120 v53 a<p>A unique poly(pseudo)rotaxane-like network constituted by C-H center dot center dot center dot N hydrogen bonds in the solid-state structure of 1,7-phenanthroline and a self-inclusion host-guest type assembly in its salt form have been discussed. The assemblies are characterized by single-crystal X-ray diffraction methods.</p>1 aArora, KK1 aPedireddi, VR  uhttps://library.ncl.res.in/content/polypseudorotaxane-network-mediated-hydrogen-bonds-solid-state-structure-17-phenanthroline-002168nas a2200277   4500008004100000022001400041245011600055210006900171260010600240300001600346490000700362520114600369653000601515653002301521653002601544653002601570653002301596653002501619653002301644653002601667653001301693100001401706700002101720700001801741856013101759       2005                        eng d  a0040-402000aPyridine mediated supramolecular assemblies of 3,5-dinitro substituted benzoic acid, benzamide and benzonitrile0 aPyridine mediated supramolecular assemblies of 35dinitro substit  aTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLANDbPERGAMON-ELSEVIER SCIENCE LTDcNOV  a10793-108000 v613 a<p>Synthesis and characterization of molecular assemblies of pyridine adducts, la, 2a and 3a, of 3,5-dinitrobenzoic acid, 1, 3,5-dinitrobenzamide, 2 and 3,5-dinitrobenzonitrile, 3, respectively, have been reported. All these adducts were obtained by crystallization of 1, 2 and 3 from pyridine. However, crystallization of I from pyridine in the presence of benzene resulted in the formation of a pyridinium adduct, 1b, along with a water molecule. All the adducts crystallize in a 1: 1 molecular ratio except la, which forms a 1:2 adduct, as characterized by single crystal X-ray diffraction method. The adducts crystallize in different space groups-la, orthorhombic, Pna2(1); 1b, monoclinic, P2(1); 2a, monoclinc, C2/c; 3a, triclinic, P-1. In two-dimensional arrangement, la, 1b and 3a form sheet structures. In la, within the two-dimensional sheets, large cavities are formed, which are occupied by pyridine molecules. In 1b, the sheets are catenated to form a chicken-wire network. However, 2a formed a crossed ribbon packing pattern with empty channels in the three-dimensional structure. (c) 2005 Elsevier Ltd. All rights reserved.</p>10a310a5-dinitrobenzamide10a5-dinitrobenzoic acid10a5-dinitrobenzonitrile10achannel structures10ahost-guest complexes10alayered structures10amolecular recognition10aPyridine1 aArora, KK1 aPrakashaReddy, J1 aPedireddi, VR  uhttps://library.ncl.res.in/content/pyridine-mediated-supramolecular-assemblies-35-dinitro-substituted-benzoic-acid-benzamide-0