Adam Duong

Université du Québec à Trois-Rivières

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Thierry Maris

Université de Montréal

152

James D. Wuest

Université de Montréal

Midhun Mohan

Indian Space Research Organisation

Sanil Rajak

Université du Québec à Trois-Rivières

Mohamed Essalhi

Université du Québec à Trois-Rivières

Prabhjyot Kaur

Panjab University

Love Karan Rana

Université du Québec à Trois-Rivières

Nour Dissem

Université du Québec à Trois-Rivières

Alexandre A. Tremblay

Centre Hospitalier de l’Université de Montréal

Adela Abidi

Université du Québec à Trois-Rivières

Cooperative Institutions

Université de Montréal

Université du Québec à Trois-Rivières

Département de Chimie Moléculaire

Instituto de Pesquisas Energéticas e Nucleares

Institut National de la Recherche Scientifique

National Nuclear Energy Commission

Centre National de la Recherche Scientifique

Universidade de São Paulo

Centre Hospitalier de l’Université de Montréal

Innovation and Economic Development Trois Rivières

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Crystal Growth & Design (2010)

Adam Duong Thierry Maris James D. Wuest

Crystals of isomeric pyridyl-substituted diaminotriazines 1a−c and elongated analogues 2a−b were grown under various conditions, and their structures were solved by X-ray crystallography. Analysis of the structures revealed three shared features: (1) The compounds favor flattened conformations; (2) they participate in approximately coplanar hydrogen bonding according to motifs characteristic of diaminotriazines; and (3) these interactions play a key role in directing molecular organization. Together, the consistent molecular topologies and the shared presence of a dominant site of association ensure that the compounds crystallize similarly to give structures that feature chains, tapes, and layers. In certain cases, in fact, the molecular organization adopted by different pyridyl-substituted diaminotriazines is virtually identical, even when the length of the molecule or the orientation of the pyridyl group has been changed. Together, these observations show how functional groups such as diaminotriazinyl, which can control association by forming multiple directional intermolecular interactions according to reliable patterns, can be incorporated within more complex molecular structures to determine how crystallization will occur.

Similarity (geometry)

10.1021/cg101290r

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Citations (17)

CCDC 2063340: Experimental Crystal Structure Determination

The Cambridge Structural Database (2023)

Love Karan Rana Prabhjyot Kaur Alborz Bavandsavadkouhi Gurpreet Singh Selopal Adam Duong

An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available from the CCDC and typically includes 3D coordinates, cell parameters, space group, experimental conditions and quality measures.

10.5517/ccdc.csd.cc2782cz

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cis-[6-(Pyridin-2-yl)-1,3,5-triazine-2,4-diamine](dichloride) Palladium(II)-Based Electrolyte Membrane Reactors for Partial Oxidation Methane to Methanol

ACS Omega (2022)

Luis M. S. Garcia Priscilla J. Zambiazi Khaoula Chair Tuan Duy Doan Andrezza S. Ramos

Methane is an abundant resource and the main constituent of natural gas. It can be converted into higher value-added products and as a subproduct of electricity co-generation. The application of polymer electrolyte reactors for the partial oxidation of methane to methanol to co-generate power and chemical products is a topic of great interest for gas and petroleum industries, especially with the use of materials with a lower amount of metals, such as palladium complex. In this study, we investigate the ideal relationship between cis-[6-(pyridin-2-yl)-1,3,5-triazine-2,4-diamine(dichloride)palladium(II)] (Pd-complex) nanostructure and carbon to obtain a stable, conductive, and functional reagent diffusion electrode. The physical and structural properties of the material were analyzed by Fourier transform infrared (FT-IR) and Raman spectroscopies, transmission electron microscopy (TEM), and X-ray powder diffraction (XRD) techniques. The electrocatalytic activity studies revealed that the most active proportion was 20% of Pd-complex supported on carbon (m/m), which was measured with lower values of open-circuit and power density but with higher efficiency in methanol production with reaction rates of r = 4.2 mol L-1·h-1 at 0.05 V.

Partial oxidation

10.1021/acsomega.2c01463

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Citations (1)

CCDC 1876199: Experimental Crystal Structure Determination

The Cambridge Structural Database (2019)

Adam Duong Sanil Rajak Alexandre A. Tremblay Thierry Maris James D. Wuest

10.5517/ccdc.csd.cc20zbkx

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CCDC 2045791: Experimental Crystal Structure Determination

The Cambridge Structural Database (2021)

Nour Dissem Mohamed Essalhi Najmeddine Ferhi Adela Abidi Thierry Maris

10.5517/ccdc.csd.cc26nt8z

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CCDC 820634: Experimental Crystal Structure Determination

The Cambridge Structural Database (2011)

Adam Duong Thierry Maris James D. Wuest

10.5517/ccwjy2d

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THE POLYP-BASED RESECT-AND-DISCARD STRATEGY

Endoscopy (2019)

Adam Duong M. Bouin Érik Deslandres R Leduc Annie Deshêtres

Current clinical practice assigns post-polypectomy surveillance intervals based on the number, size and histological aspects of polyps. Our goal was to test a novel polyp-based resect and discard model that assigns surveillance intervals for small polyps based only on size and number of polyps.

Polypectomy

Clinical Practice

10.1055/s-0039-1681442

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Design, structural characterization and Hirshfeld surface analysis of Ni(II) and Zn(II) coordination polymers using mixed linker synthetic strategy based on tetratopic and macrocyclic N-donor ligands

Journal of Molecular Structure (2021)

Nour Dissem Najmeddine Ferhi Thierry Maris Adam Duong

Cyclam

Carboxylate

Thermal Stability

10.1016/j.molstruc.2021.132317

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Citations (3)

CCDC 846137: Experimental Crystal Structure Determination

The Cambridge Structural Database (2011)

Adam Duong Thierry Maris Olivier Lebel James D. Wuest

10.5517/ccxdgrh

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Using Pyridinyl-Substituted Diaminotriazines to Bind Pd(II) and Create Metallotectons for Engineering Hydrogen-Bonded Crystals

Inorganic Chemistry (2011)

Adam Duong Thierry Maris James D. Wuest

The pyridinyl groups of pyridinyl-substituted diaminotriazines 3a,b and 4a,b can bind metals, and the diaminotriazinyl (DAT) groups serve independently to ensure that the resulting complexes can participate in intercomplex hydrogen bonding according to characteristic motifs. As planned, ligands 3a,b and 4a,b form trans square-planar 2:1 complexes with PdCl(2), and further association of the complexes is directed in part by hydrogen bonding of the DAT groups. Similarly, ligands 3a,b and 4a,b form cationic square-planar 4:1 complexes with Pd(BF(4))(2), Pd(PF(6))(2), and Pd(NO(3))(2), and the complexes again typically associate by hydrogen bonding of the peripheral DAT groups. The observed complexes have predictable constitutions and shared structural features that result logically from their characteristic topologies and the ability of DAT groups to engage in hydrogen bonding. These results illustrate the potential of a hybrid inorganic/organic strategy for constructing materials in which coordinative bonds to metals are used in conjunction with other interactions, both to build the molecular components and to control their organization.

Crystal Engineering

10.1021/ic2003047

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Citations (36)