Browsing Τμήμα Χημείας / Department of Chemistry by Title
Now showing items 645-664 of 1320
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Article
A Mn 17 octahedron with a giant ground-state spin: Occurrence in discrete Form and as Multidimensional coordination polymers
(2009)A [Mn lll 11Mn ll 6(μ 4-O) 8(μ 3-L) 4] 25+ (L = N 3 - or OCN -) octahedral unit is reported, occurring within 1D (1)∞ and 2D (2)∞ coordination polymers, as well as the corresponding 0D discrete cluster 3. It possesses a ...
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Article
A Mn 36Ni 4 'loop-of-loops-and-supertetrahedra' aggregate possessing a high S T = 26 ± 1 spin ground state
(2012)The initial use of 1,3-propanediol in mixed Mn/3d cluster chemistry has led to a Mn III 28Mn II 8Ni II 4 molecular aggregate which consists of two Mn III 8Ni 2 loops and two Mn III 6Mn II 4 supertetrahedral units and ...
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Article
Mn12 benzoate thin films on Si substrates fabricated by matrix assisted pulsed laser evaporation
(2010)We report on the successful implementation of Matrix Assisted Pulsed Laser Evaporation, to obtain films of the single molecule magnet Mn12 benzoate on Si substrates. The films have been characterized by optical microscopy, ...
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Article
[Mn12O12(OMe)2(O2CPh) 16(H2O)2]2- single-molecule magnets and other manganese compounds from a reductive aggregation procedure
(2005)A new synthetic procedure has been developed in Mn cluster chemistry involving reductive aggregation of permanganate (MnO4-) ions in MeOH in the presence of benzoic acid, and the first products from its use are described. ...
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Article
[Mn14] “Structural Analogues” of Well-Known [Mn12] Single-Molecule Magnets
(2018)A new family of tetradecanuclear Mn clusters [MnIII10MnIV4(µ3-O)12(EtCO2)12(pd)4(EtOH)4(py)4](ClO4)2 (1), [MnIII10MnIV4(µ3-O)12(EtCO2)12(mpd)4(EtOH)2(H2O)2(py)4](ClO4)2 (2), and [MnIII10MnIV4(µ3-O)12(MeCO2)10(pic)4(pd)4(pdH2)4] ...
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Article
A Mn15 single-molecule magnet consisting of a supertetrahedron incorporated in a loop
(2010)Two new Mn15 clusters consisting of a supertetrahedron which is incorporated in a loop are reported. The reactions of [Mn(O2CEt) 2]·2H2O with the diols 1,3-propanediol (H 2pd) or 2-methyl-1,3-propanediol (H2mpd) in the ...
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Article
A [Mn32] double-decker wheel
(2011)Inventing the double wheel: A mixed-valent [Mn32] cluster with a very rare "double-decker" wheel topology (see its metal-oxygen core: MnIII blue, MnII pink, O red) is reported. It is by far the highest-nuclearity example ...
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Article
A MnII6MnIII6 single-strand molecular wheel with a reuleaux triangular topology: Synthesis, structure, magnetism, and DFT studies
(2013)The use of the anion of 3-methyl-1,3,5-pentanetriol (mpt3-) in manganese carboxylate chemistry has afforded the new MnII/III 12 cluster [MnII6MnIII 6(mpt)6(CH3CO2)12(py) 6]·3CH3CN (1·3CH3CN). Complex 1 was isolated in ...
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Article Open Access
Model amphiphilic polymer conetworks in the Bulk: dissipative particle dynamics simulations of their self-assembly and mechanical properties
(American Chemical Society, 2023-11-21)Dissipative particle dynamics (DPD) simulations were performed on bulk melts of model amphiphilic polymer conetworks (APCN), a relatively new macromolecular architecture comprising two types of mutually incompatible polymer ...
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Article
Model Amphiphilic Polymer Conetworks in Water: Prediction of Their Ability for Oil Solubilization
(2019)In this work, we computationally explored the ability of water-swollen, model ionizable ABA triblock copolymer-based amphiphilic polymer conetworks (APCNs) to solubilize a water-immiscible organic solvent (oil), via Gibbs ...
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Article
Model Investigations for Vanadium-Protein Interactions. Synthetic, Structural, and Physical Studies of Vanadium(III) and Oxovanadium(IV/V) Complexes with Amidate Ligands
(1996)3, C19H13N3O2SV, Mr = 398.34, monoclinic, P21/n, a = 12.1108(10) Å, b = 19.4439(18) Å, c = 7.2351(7) Å, β = 103.012(3)°, V = 1660.0(4) Å3, Z = 4, R = 0.0355, and Rw = 0.0376
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Article
Model investigations for vanadium-protein interactions: First vanadium(III) complexes with dipeptides and their oxovanadium(IV) analogues
(1998)Reaction of the dipeptides H2Gly-Tyr and H2Gly-Phe with VCl3 and 1,10-phenanthroline affords the compounds [V(Gly-Tyr)(phen)]Cl·3MeOH 1 and [V(Gly-Phe)(phen)]Cl·3MeOH 2
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Article
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Article
Model investigations for vanadium-protein interactions: Vanadium(III) compounds with dipeptides and their oxovanadium(IV) analogues
(2002)The reaction of VCl3 with 1,10-phenanthroline and a series of dipeptides (H2dip), having aliphatic as well as aromatic side chains, in methyl alcohol and in the presence of triethylamine affords vanadium(III) compounds of ...
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Book Chapter
Model Networks and Functional Conetworks
(Elsevier, 2012)This chapter reviews work on perfect or model homopolymer networks and also on functional, mainly amphiphilic, but less perfect polymer conetworks. The chapter focuses on work published during the past 10 years, but ...
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Article
Model Studies of the Interaction of Vanadium(III) and Oxovanadium(IV/V) with the Carbonyl Amide Oxygen
(1998)a = 12.668(5) Å, b = 8.084(3) Å, c = 17.222(6) Å, α = 108.148(12)°
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Models of oxovanadium(IV)-protein interactions: The first oxovanadium(IV) complexes with dipeptides
(1996)
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Article
Modified aluminophosphate molecular sieves: preparation and characterisation
(1988)Crystalline microporous aluminium phosphate has been prepared in a variety of ways. The influence of the preparative conditions affecting the solid state properties of the resultant solids were studied. Quencg cooling of ...
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Article
Molecular factors affecting the complex formation between deferiprone (L1) and Cu(II): Possible implications on efficacy and toxicity
(2001)Deferiprone (1,2-dimethyl-3-hydroxypyrid-4-one, L1, CAS 30652-11-0) is a new chelating drug used worldwide for the treatment of iron overloading conditions. Spectrophotometric and potentiometric measurements were carried ...
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Article
Molecules at the Quantum-Classical Nanoparticle Interface: Giant Mn70 Single-Molecule Magnets of ∼4 nm Diameter
(2016)Two Mn70 torus-like molecules have been obtained from the alcoholysis in EtOH and 2-ClC2H4OH of [Mn12O12(O2CMe)16(H2O)4]·4H2O·2MeCO2H (1) in the presence of NBun4MnO4 and an excess of MeCO2H. The reaction in EtOH afforded ...