A5071254657- Organometallic Complex Synthesis and Catalysis
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- Metal complexes synthesis and properties
- Magnetism in coordination complexes
- Inorganic Chemistry and Materials
- Organic Electronics and Photovoltaics
- Asymmetric Hydrogenation and Catalysis
- Molecular Junctions and Nanostructures
- Crystallography and molecular interactions
- Force Microscopy Techniques and Applications
- Metal-Organic Frameworks: Synthesis and Applications
- Carbon dioxide utilization in catalysis
- Conducting polymers and applications
- Inorganic and Organometallic Chemistry
- Nanocluster Synthesis and Applications
- Lanthanide and Transition Metal Complexes
- Luminescence and Fluorescent Materials
- Crystal structures of chemical compounds
- Calcium Carbonate Crystallization and Inhibition
- Nanowire Synthesis and Applications
- Machine Learning in Materials Science
- Surface Chemistry and Catalysis
- Ferrocene Chemistry and Applications
- Nonlinear Optical Materials Research
University of Milano-Bicocca
2014-2024
Istituto Officina dei Materiali
2018
Mylan (Switzerland)
2018
National Interuniversity Consortium of Materials Science and Technology
2012-2018
University of Milan
2000-2013
National Interuniversity Consortium for the Physical Sciences of Matter
2006-2009
Curtin University
2008
University of Washington
2008
The University of Western Australia
2008
Graz University of Technology
2006
Fingerprint plots of Hirshfeld surfaces were used to locate and analyze the deficiencies in various methodologies employed determination relative energies five polymorphs 1,8-dihydroxyanthraquinone. Nine crystallographically independent molecules characterized by X-ray crystallography derived from structures. The space groups number (Z′) for each (1−5) is as follows: (1) P41 (or P43),Z′ = 1; (2) Pca21, Z′ 2; (3) P1̅, 4; (4) P21/n, (5) P41212 P43212), 0.5. Form 1 most thermodynamically stable...
The peculiar spongelike behavior of the nanoporous crystal, composed from self-assembly copper(II) sulfate and 1,3-bis(4-pyridyl)propane, is derived its unusual topology: an architecture comprising two different structural motifs. supramolecular catenation (see picture) features ribbons-of-rings interpenetrating entangling (4,4) layers. Supporting information for this article available on WWW under http://www.wiley-vch.de/contents/jc_2002/2000/z14298_s.pdf or author. Please note: publisher...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Multiphase Nature of the Cu(pz) and Ag(pz) (Hpz = Pyrazole) Systems: Selective Syntheses Ab-Initio X-ray Powder Diffraction Structural Characterization Copper(I) Silver(I) PyrazolatesNorberto Masciocchi, Massimo Moret, Paolo Cairati, Angelo Sironi, G. Attilio Ardizzoia, Girolamo La MonicaCite this: J. Am. Chem. Soc. 1994, 116, 17, 7668–7676Publication Date (Print):August 1, 1994Publication History Published online1 May 2002Published inissue 1...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectronic effects in homogeneous indenylzirconium Ziegler-Natta catalystsNicoletta Piccolrovazzi, Piero Pino, Giambattista Consiglio, Angelo Sironi, and Massimo MoretCite this: Organometallics 1990, 9, 12, 3098–3105Publication Date (Print):December 1, 1990Publication History Published online1 May 2002Published inissue 1 December 1990https://doi.org/10.1021/om00162a022Request reuse permissionsArticle Views457Altmetric-Citations140LEARN ABOUT THESE...
The present study reports on a simple preparation strategy of hybrid catalyst, TiO2/HKUST-1, containing TiO2 anatase nanoparticles (NPs) with tailored morphology and photocatalytic activity coupled porous metal-organic framework (MOF), namely HKUST-1, as an advanced material for the CO2 reduction. In detail, TiO2/HKUST-1 catalyst was prepared via easy slow-diffusion method combined step-by-step self-assembly at room temperature. growth crystalline HKUST-1 onto titania surface achieved by...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTSynthesis, X-ray Structure, and Catalytic Properties of the Unprecedented Tetranuclear Copper(I) Species [Cu(dppz)]4 (Hdppz = 3,4-Diphenylpyrazole)G. Attilio Ardizzoia, Sergio Cenini, Girolamo La Monica, Norberto Masciocchi, Massimo MoretCite this: Inorg. Chem. 1994, 33, 7, 1458–1463Publication Date (Print):March 1, 1994Publication History Published online1 May 2002Published inissue 1 March...
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTReaction of dioxygen with poly[(3,5-dimethylpyrazolato)copper]. Crystal structure, reactivity, and catalytic properties [Cu8(dmpz)8(OH)8]G. Attilio Ardizzoia, M. Angela Angaroni, Girolamo La Monica, Franco Cariati, Sergio Cenini, Massimo Moret, Norberto MasciocchiCite this: Inorg. Chem. 1991, 30, 23, 4347–4353Publication Date (Print):November 1, 1991Publication History Published online1 May 2002Published inissue 1 November...
Cu(II) triflate reacts with 4,4′-bipyridyl in different solvents to yield the new 3D network [Cu(4,4′-bipy)2(CF3SO3)2], based on pseudo-square planar nodes and consisting of crossing layers large rhombic meshes (22 × 22 Å) fused together into an overall (two-fold interpenetrated) array, a topology unprecedented within coordination frames interesting nanoporous behaviour.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTCrystal Structures and Solution Conformations of the Meso Racemic Isomers (Ethylenebis(1-indenyl))zirconium DichlorideFabrizio Piemontesi, Isabella Camurati, Luigi Resconi, Davide Balboni, Angelo Sironi, Massimo Moret, Robert Zeigler, Nicoletta PiccolrovazziCite this: Organometallics 1995, 14, 3, 1256–1266Publication Date (Print):March 1, 1995Publication History Published online1 May 2002Published inissue 1 March...
The known rac-[ethylenebis(4,7-dimethyl-η5-1-indenyl)]ZrCl2 (2r) and its meso isomer (2m) have been compared with the prototypal chiral isospecific rac-[ethylenebis(η5-1-indenyl)]ZrCl2 (1r) aspecific 1m in terms of molecular structures, solution dynamics, ligand substitution effect on polymerization performance. In liquid propene at 50 °C, 2r/MAO produces iPP appreciably higher isotacticity but lower weight regiospecificity than 1r/MAO. obtained 2r monomer is due to predominant chain...
The trinuclear copper(II) complexes [Cu3(OH)(pz)3(Hpz)2Cl2]·solv (Hpz = pyrazole, pz pyrazolate anion, solv H2O or tetrahydrofuran) have been obtained by oxidation reactions of [{Cu(Hpz)2Cl}2]. When treated with pyridine(py), both CuII derivatives gave the related compound [Cu3(OH)(pz)3-(py)2Cl2]·py, which has characterized a single-crystal X-ray structure analysis. Crystals are orthorhombic, space group Pnma(no. 62), a= 19.883(3), b= 15.063(3), c= 9.495(2)Å, Z= 4, R= 0.035 and R′= 0.041 for...
Cation palladium complexes of the type [(dppp)Pd(solvent)2][X]22[X = non or weakly coordinating anion; dppp 1,3-bis(diphenylphosphino)propane] are active catalysts for carbonylaion to ketones, e.g., seletive formation E-1,5-diphenylpent-l-en-3-one from styrene; in presence water and depending on acidity conditions dimerisation much less catalytically [(dppp)Pd(µ-OH)2 Pd(dppp)]X23 takes place, structure which was determined by X-ray crystallography.
Hot-wall epitaxy and molecular-beam have been employed for growing quaterthiophene thin films on the (010) cleavage face of potassium hydrogen phthalate, results are compared in terms film properties growth mode. Even if there is no geometrical match between substrate overlayer lattices, these epitaxially oriented. To investigate physical rationale this strong orientation effect, optical microscopy, atomic force X-ray diffraction employed. A clear correlation morphology crystallographic...
Graphical tools based on Hirshfeld surfaces and two-dimensional fingerprint plots have been used to compare the different polymorphs of rubrene structures substitution derivatives, deposited in Cambridge Structural Database. Focusing C···C contacts displayed both plots, some distinctive features related with herringbone disposition molecules their arrangement π-stacks observed. These do not occur only for those modified by insertion small functional groups but also case bulky substituents....
A new oxyiminopyrazole-based ytterbium chelate enables NIR emission upon UV excitation in colorless single layer luminescent solar concentrators for building integrated photovoltaics.
The reaction of [Cu(CH(3)CN)(4)](BF(4)) with 3,5-dimethyl-4-nitropyrazole (Hdmnpz) in the presence triethylamine yields new copper(I) complexes [Cu(dmnpz)](3) (1) and (Et(3)NH)(2)[Cu(4)(dmnpz)(6)] (2), depending on experimental conditions. reactivity 1 2 toward neutral ligands such as triphenylphosphine, cyclohexyl isocyanide (RNC), carbon monoxide has been investigated. In particular, both readily react RNC, giving dinuclear [Cu(dmnpz)(RNC)](2) (4) [Cu(dmnpz)(RNC)(2)](2) (5), copper/RNC...
We present equation of state points for iron, in the pressure range 10-45 Mbar, first obtained with laser-driven shock waves. The experiment has been performed high energy laser Phebus, optically smoothed Kinoform phase plates. Our results double set existing experimental data at very pressures showing good agreement predictions quotidian model and previous results.
A high-pressure polymorph of the organic semiconductor rubrene was obtained above 6.0 GPa by hydrostatic compression triclinic form. In phase, adopts an unexpected and previously unobserved conformation, which is ca. 70 kJ/mol less stable than planar one observed in ambient-pressure phase characterized a unique "double twisting" tetracene core "scissoring" lateral phenyl groups, favor formation C–H···π contacts. The evolution structure as function pressure monitored quantified Hirshfeld...
The combined use of microscopy methods and conventional X-ray crystallography offers new possibilities for the study self-assembly coordination networks. This approach has been applied to reactions MCl2 salts (M = Co, Ni, Cu, Cd) 1,3-bis(4-pyridyl)propane (bpp). Copper gives [Cu(bpp)3Cl2]·2H2O (1), [Cu(bpp)2Cl]Cl·1.5H2O (2), [Cu(bpp)2Cl2]·2.75H2O (3), that are 1D, 2D, 3D polymers, respectively. Monitoring crystal growth shows 1 2 formed from same mixtures in water, but at different times...
Silver(I) pyrazolate was reacted with triphenylphosphine, leading to the dinuclear [Ag(2)(pz)(2)(PPh(3))(2)] and [Ag(2)(pz)(2) (PPh(3))(3)] complexes (Hpz = pyrazole), which were extensively characterized by (31)P-NMR methods single-crystal X-ray analyses. Crystals of are triclinic, space group P&onemacr;, a 9.567(2) Å, b 11.440(2) c 10.073(2) alpha 93.59(2) degrees, beta 64.01(2) gamma 107.24(2) Z 1, D(calc) 1.539 g.cm(-)(3); final R 0.028 for 2532 independent reflections having F >...
The reaction between an unfunctionalized conjugated diene and a nitroarene under CO pressure, catalyzed by Ru3(CO)12/Ar-BIAN (Ar-BIAN = bis(arylimino)acenaphthene), affords the corresponding allylic amine (1), hetero-Diels−Alder adduct (oxazine) (2), N-arylpyrrole (3) in different ratios depending on experimental conditions. synthesis of involves intermolecular catalytic C−H functionalization transition metal complex. Compounds 1 2 are primary products reaction, whereas 3 derives from...
Silver imidazolate has been synthesized and its solid-state structure determined, ab initio, from conventional X-ray powder diffraction data only. The crystals are orthorhombic, space group P212121, with a= 5.5759(4), b= 6.7452(4), c= 22.174(1)Å, U= 834.0(1)Å3, Z= 8, Dc= 2.786 g cm–3. was solved by a real-space scavenger technique refined the Rietveld method down to RP RF values of 0.062 0.027, respectively, for 4401 points (1262 reflections) measured at room temperature in 17–105°(2θ)...
The crystal and molecular structure of [{Ru(CO)4}n] has been determined solely from X-ray powder diffraction data using standard laboratory equipment refined with a (modified) Rietveld procedure. compound crystallizes in the orthorhombic space group Ibam, a= 14.147(4), b= 7.060(2) c= 5.720(1)Å, Z= 4; final refinement (19 variables) converged to Rp, Rwp RBragg 0.077, 0.102 0.025, respectively, for 4001 collected at room temperature 5–85°(2θ) range. structure, which consists polymeric stack...
Reaction of the polymeric copper(I)-3,5-dimethylpyrazolate, [Cu(dmpz)]n, with molecular dioxygen gives octameric copper(II) complex, [Cu8(dmpz)8(OH)8], whose spectroscopic and chemical properties, X-ray structure analysis are reported.