Reversing the code of a template-directed solid-state synthesis: a bipyridine template that directs a single-crystal-to-single-crystal [2 + 2] photodimerisation of a dicarboxylic acid

2005 ◽  
pp. 5748 ◽  
Author(s):  
Tomislav Friščić ◽  
Leonard R. MacGillivray
Keyword(s):  
Solid State ◽  
Single Crystal ◽  
Dicarboxylic Acid ◽  
Solid State Synthesis

A Step Towards a [2.2]Paracyclophane: A Single Crystal to Single Crystal Reaction Involving a Hydrogen-Bonded Molecular Assembly with Multiple Reaction Centres

2006 ◽  
Vol 59 (9) ◽  
pp. 613 ◽  
Author(s):  
Tomislav Friščić ◽  
Leonard R. MacGillivray
Keyword(s):  
Solid State ◽  
Single Crystal ◽  
Absorption Edge ◽  
Molecular Assembly ◽  
Solid State Synthesis ◽  
State Transformation ◽  
Molecular Assemblies ◽  
Solid State Transformation ◽  
Reaction Centres ◽  
Hydrogen Bonded

A single crystal to single crystal [2+2] photodimerization has been achieved within a molecular cocrystal composed of finite, hydrogen-bonded molecular assemblies using the absorption-edge irradiation technique. The cocrystal is composed of a resorcinol template and a diolefin reactant that reacts to form a non-symmetrical cyclobutane product. The product is an intermediate in a two-step solid-state synthesis of a [2.2]paracyclophane. The ability to conduct the reaction in a single crystal to single crystal fashion attests to the robustness of the hydrogen-bonded assemblies during the course of the solid-state transformation.

Molybdates Solid State Synthesis: The MgO—MoO3 System

1980 ◽  
Vol 35 (5) ◽  
pp. 500-502 ◽  
Author(s):  
V. Massarotti ◽  
G. Flor ◽  
A. Marini ◽  
R. Riccardi
Keyword(s):  
Solid State ◽  
Single Crystal ◽  
Transport Properties ◽  
Gas Phase ◽  
Intermediate Compound ◽  
Solid State Synthesis ◽  
The Other ◽  
Formation Reaction ◽  
Temperature Range

Abstract The formation reaction of Mg2Mo3O11 from MgO (single crystal) and MoO3 (pellet) has been investigated in the temperature range 873-973 K.Supported by an analysis of the transport properties a mechanism is proposed involving a unidirectional transport of Mo6+ via V6′Mo and of oxygen via gas phase.The transport properties of MgMoO4 (the other intermediate compound in the system MgO-MoO3) were also studied and the results were found to agree with the mechanism observed in a previous work on the basis of kinetic and structural considerations.

A new two-dimensional ZnII coordination polymer based on 1,3-bis(2-methyl-1H-imidazol-1-yl)benzene and 5-nitrobenzene-1,3-dicarboxylic acid: synthesis, crystal structure and physical properties

2019 ◽  
Vol 75 (2) ◽  
pp. 196-199 ◽  
Author(s):  
Ning-Ning Chen ◽  
Jian-Ning Ni ◽  
Jun Wang ◽  
Jian-Qing Tao
Keyword(s):  
Solid State ◽  
Single Crystal ◽  
Dicarboxylic Acid ◽  
Three Dimensional ◽  
Acid Synthesis ◽  
Dimensional Structure ◽  
Two Dimensional ◽  
X Ray Diffraction ◽  
X Ray ◽  
Π Interactions

A novel two-dimensional (2D) ZnII coordination framework, poly[[μ-1,3-bis(2-methyl-1H-imidazol-1-yl)benzene](μ-5-nitrobenzene-1,3-dicarboxylato)zinc(II)], [Zn(C8H3NO6)(C14H14N4)] n or [Zn(NO2-BDC)(1,3-BMIB)] n [1,3-BMIB is 1,3-bis(2-methyl-1H-imidazol-1-yl)benzene and NO2-H2BDC is 5-nitrobenzene-1,3-dicarboxylic acid], has been prepared and characterized by IR, elemental analysis, thermal analysis and single-crystal X-ray diffraction. Single-crystal X-ray diffraction analysis revealed that the compound is a new 2D polymer with a 63 topology parallel to the (10\overline{2}) crystal planes based on left-handed helices, right-handed helical NO2-BDC–Zn chains and [Zn2(1,3-BMIB)2] n clusters. In the crystal, adjacent layers are further connected by C—H...O hydrogen bonds, C—H...π interactions, C—O...π interactions and N—O...π interactions to form a three-dimensional structure in the solid state. In addition, the compound exhibits strong fluorescence emissions in the solid state at room temperature.

Solid state synthesis of MZrO3 (M = Pb, Cd and Cu) photocatalyst-A Green chemistry approach

2011 ◽  
Vol 3 (7) ◽  
pp. 335-340
Author(s):  
Ashok Vishram Borhade ◽  
◽  
Vishwas Bhaskar Gaikwad ◽  
Yogeshwar Rajaram Baste
Keyword(s):  
Solid State ◽  
Green Chemistry ◽  
Solid State Synthesis

Two Consecutive Magneto-Structural Gas-Solid Transformations with Single-Crystal Retention in Non-Porous Molecular Materials

2018 ◽  
Author(s):  
Julia Miguel-Donet ◽  
Javier López-Cabrelles ◽  
Nestor Calvo Galve ◽  
Eugenio Coronado ◽  
Guillermo Minguez Espallargas
Keyword(s):  
Solid State ◽  
Single Crystal ◽  
Structural Rearrangement ◽  
Magnetic Behaviour ◽  
Porous Solids ◽  
Potential Applications ◽  
Hcl Gas ◽  
Porous Coordination Polymer ◽  
Gas Molecules ◽  
Magnetostructural Transformation

<p>Modification of the magnetic properties in a solid-state material upon external stimulus has attracted much attention in the recent years for their potential applications as switches and sensors. Within the field of coordination polymers, gas sorption studies typically focus on porous solids, with the gas molecules accommodating in the channels. Here we present a 1D non-porous coordination polymer capable of incorporating HCl gas molecules, which not only causes a reordering of its atoms in the solid state but also provokes dramatic changes in the magnetic behaviour. Subsequently, a further solid-gas transformation can occur with the extrusion of HCl gas molecules causing a second structural rearrangement which is also accompanied by modification in the magnetic path between the metal centres. Unequivocal evidence of the two-step magnetostructural transformation is provided by X-ray single-crystal diffraction.</p>

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