Browsing by Author "Papatriantafyllopoulou, Constantina"
Now showing items 1-20 of 37
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Approaches to molecular magnetic materials from the use of cyanate groups in higher oxidation state metal cluster chemistry: Mn14 and Mn 16
Alexandropoulos, Dimitris I.; Papatriantafyllopoulou, Constantina; Li, C. -L; Cunha-Silva, L.; Manos, Manolis J.; Tasiopoulos, Anastasios J.; Wernsdorfer, W.; Christou, George; Stamatatos, Theocharis C. (2013)The initial employment of cyanato groups in higher oxidation state manganese cluster chemistry, in conjunction with the gem-diolate form of di-2-pyridylketone or 2,6-diacetylpyridine dioxime chelate ligands, has afforded ...
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Binding of ligands containing carbonyl and phenol groups to iron(iii): new Fe6, Fe10 and Fe12 coordination clusters
Kitos, Alexandros A.; Papatriantafyllopoulou, Constantina; Tasiopoulos, Anastasios J.; Perlepes, Spyros P.; Escuer, Albert; Nastopoulos, Vassilios (2017)The initial use of ligands 2′-hydroxyacetophenone (HL1), 2-hydroxybenzophenone (HL2) and 2,2′-dihydroxybenzophenone (H2L3) in iron(iii) chemistry is described. The syntheses and crystal structures are reported for five ...
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ChemInform Abstract: Filling the Gap Between the Quantum and Classical Worlds of Nanoscale Magnetism: Giant Molecular Aggregates Based on Paramagnetic 3d Metal Ions
Papatriantafyllopoulou, Constantina; Moushi, Eleni E.; Christou, George; Tasiopoulos, Anastasios J. (2016)
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Combining azide, carboxylate, and 2-pyridyloximate ligands in transition-metal chemistry: Ferromagnetic NiII 5clusters with a bowtie skeleton
Papatriantafyllopoulou, Constantina; Stamatatos, Theocharis C.; Wernsdorfer, W.; Teat, S. J.; Tasiopoulos, Anastasios J.; Escuer, Albert; Perlepes, Spyros P. (2010)The combined use of the anion of phenyl(2-pyridyl)ketone oxime (ppko-) and azides (N3 -) in nickel(II) carboxylate chemistry has afforded two new NiII 5clusters, [Ni5(O2CR′)2(N3)4(ppko)4(MeOH)4] [R′ = H (1), Me (2)]. The ...
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Copper(II)/di-2-pyridyl ketone chemistry: A triangular cluster displaying antisymmetric exchange versus an 1D coordination polymer
Efthymiou, Constantinos G.; Raptopoulou, Catherine P.; Psycharis, Vassilis P.; Tasiopoulos, Anastasios J.; Escuer, Albert; Perlepes, Spyros P.; Papatriantafyllopoulou, Constantina (2013)The systematic study of the reaction system copper(II) perchlorate/di-2- pyridyl ketone, (py)2CO, provided access to the new trinuclear compound [Cu3{(py)2C(OMe)(O)}3(H 2O)](ClO4)3·MeOH·0.6H 2O (1·MeOH·0.6H2O), and the 1D ...
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Cyanate groups in higher oxidation state metal cluster chemistry: Mixed-valence (II/III) Mn16 and Mn18 clusters
Alexandropoulos, Dimitris I.; Moushi, Eleni E.; Papatriantafyllopoulou, Constantina; Beavers, Christine M.; Teat, Simon J.; Tasiopoulos, Anastasios J.; Christou, George; Stamatatos, Theocharis C. (2016)
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Cyanate groups in higher oxidation state metal cluster chemistry: Mixed-valence (II/III) Mn16 and Mn18 clusters
Alexandropoulos, Dimitris I.; Moushi, Eleni E.; Papatriantafyllopoulou, Constantina; Beavers, Christine M.; Teat, S. J.; Tasiopoulos, Anastasios J.; Christou, George; Stamatatos, Theocharis C. (2016)The employment of cyanato (OCN-) group in high oxidation state manganese cluster chemistry, in conjunction with carboxylate ions and the organic chelating/bridging ligand 2-(hydroxymethyl)pyridine (hmpH), is reported. The ...
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Discrete and encapsulated molecular grids: Homometallic Mn15 and heterometallic Mn24Ni2 aggregates
Charalambous, Maria; Zartilas, Sotiris M.; Moushi, Eleni E.; Papatriantafyllopoulou, Constantina; Manos, Manolis J.; Stamatatos, Theocharis C.; Mukherjee, S.; Nastopoulos, Vassilios; Christou, George; Tasiopoulos, Anastasios J. (2014)Two molecular grid-like clusters are reported, one is a discrete [3 × 5] grid and the other a [3 × 4] grid within a Mn12Ni 2 loop. Both Mn24Ni2 and Mn15 aggregates display novel and aesthetically pleasing structures with ...
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Filling the gap between the quantum and classical worlds of nanoscale magnetism: Giant molecular aggregates based on paramagnetic 3d metal ions
Papatriantafyllopoulou, Constantina; Moushi, Eleni E.; Christou, George; Tasiopoulos, Anastasios J. (2016)In this review, aspects of the syntheses, structures and magnetic properties of giant 3d and 3d/4f paramagnetic metal clusters in moderate oxidation states are discussed. The term "giant clusters" is used herein to denote ...
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Filling the gap between the quantum and classical worlds of nanoscale magnetism: giant molecular aggregates based on paramagnetic 3d metal ions[ONLINE]
Papatriantafyllopoulou, Constantina; Moushi, Eleni E.; Christou, George; Tasiopoulos, Anastasios J. (2016)
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Giant Heterometallic [Mn36Ni4]0/2− and [Mn32Co8] “Loops-of-Loops-and-Supertetrahedra” Molecular Aggregates
Charalambous, Maria; Moushi, Eleni E.; Nguyen, Tu N.; Papatriantafyllopoulou, Constantina; Nastopoulos, Vassilios; Christou, George; Tasiopoulos, Anastasios J. (2019)We report the synthesis, crystal structures and magnetic properties of the giant heterometallic [Mn36Ni4]2-/0 (compounds 1, 2) / [Mn32Co8] (compound 3) ‘loops-of-loops-and-supertetrahedra’ molecular aggregates and of a ...
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Heterometallic FeIII-CeIV complexes from the use of aliphatic aminoalcohol ligands
Kizas, Christos M.; Papatriantafyllopoulou, Constantina; Manos, Manolis J.; Tasiopoulos, Anastasios J. (2013)Six novel heteronuclear FeIII/CeIV clusters with the ligands 3-amino-1-propanol (Hap) and 2-(hydroxymethyl)piperidine (Hhmpip) [FeIII4CeIV6O8(L) 4((CH3)3CCO2)12(RCO 2)4] (R = CH3, L = ap-, 1
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Heterometallic MnIII4Ln2 (Ln = Dy, Gd, Tb) Cross-Shaped Clusters and Their Homometallic MnIII4MnII2 Analogues
Savva, Maria; Skordi, Katerina; Fournet, A. D.; Thuijs, A. E.; Christou, George; Perlepes, Spyros P.; Papatriantafyllopoulou, Constantina; Tasiopoulos, Anastasios J. (2017)The employment of di-2-pyridyl ketone, (py)2CO, in heterometallic Mn/4f and homometallic Mn cluster chemistry has yielded six MnIII4Ln2 and two MnIII4MnII2 structurally related clusters, namely, [Mn4Ln2O2{(py)2CO2}4(NO3) ...
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Hexanuclear complexes from the use of a series of amino-alcohol ligands in Fe chemistry
Papatriantafyllopoulou, Constantina; Kizas, Christos M.; Manos, Manolis J.; Boudalis, Athanassios K.; Sanakis, Yiannis; Tasiopoulos, Anastasios J. (2013)Eight novel FeIII6 clusters with the amino-alcohol ligands 3-amino-1-propanol (apH), N-hydroxyethylpiperidine (N-hepipH), 2-hydroxyethylpiperidine (2-hepipH), 2-aminobenzylalcohol (2-abzaH), N-hydroxyethylmorpholine ...
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Homometallic {Mn10} and heterometallic {Mn6Ca4} supertetrahedra exhibiting an unprecedented {MnIII9MnII} oxidation state level and heterometal ions distribution
Skordi, Katerina; Papatriantafyllopoulou, Constantina; Zartilas, Sotiris; Poole, Katye M.; Nastopoulos, Vassilios; Christou, George; Tasiopoulos, Anastasios J. (2018)Two novel decametallic clusters displaying a supertetrahedral structural core are discussed, a homometallic compound [MnIII9MnII(μ4-O)4(μ3-OMe)3(btH)3(ed)3(PhCO2)6]·6Η2Ο (1·6Η2Ο) (btH3 = (±)-1,2,4-butanetriol
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Influence of ligand positional isomerism on the molecular and supramolecular structures of cobalt(II)-phenylimidazole complexes
Duros, Vasilios; Papatriantafyllopoulou, Constantina; Kitos, Alexandros A.; Tasiopoulos, Anastasios J.; Nastopoulos, Vassilios (2019)In a study to evaluate the impact of flexible positional isomeric ligands on the coordination geometry and self-assembly process of 3d metal complexes, the synthesis of eight new cobalt(II) complexes with the 2-phenylimidazole ...
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Introducing Dimensionality to the Archetypical Mn12 Single-Molecule Magnet: A Family of [Mn12]n Chains
Corrales, S. A.; Cain, J. M.; Uhlig, K. A.; Mowson, A. M.; Papatriantafyllopoulou, Constantina; Peprah, M. K.; Ozarowski, A.; Tasiopoulos, Anastasios J.; Christou, George; Meisel, M. W.; Lampropoulos, Christos (2016)The [Mn12O12(O2CR)16(L4)] family (R = various
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A Mn 36Ni 4 'loop-of-loops-and-supertetrahedra' aggregate possessing a high S T = 26 ± 1 spin ground state
Charalambous, Maria; Moushi, Eleni E.; Papatriantafyllopoulou, Constantina; Wernsdorfer, W.; Nastopoulos, Vassilios; Christou, George; Tasiopoulos, Anastasios J. (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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A MnII6MnIII6 single-strand molecular wheel with a reuleaux triangular topology: Synthesis, structure, magnetism, and DFT studies
Zartilas, Sotiris M.; Papatriantafyllopoulou, Constantina; Stamatatos, Theocharis C.; Nastopoulos, Vassilios; Cremades, E.; Ruiz, E.; Christou, George; Lampropoulos, Christos; Tasiopoulos, Anastasios J. (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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MnIII2LnIII2(Ln = Gd, Dy, Ho) Complexes From The Initial Employment of 1,3-Propanediol In Mixed 3d/4f Metal Cluster Chemistry
Savva, Maria; Papatriantafyllopoulou, Constantina; Viskadourakis, Z.; Giapintzakis, John; Tasiopoulos, Anastasios J. (2013)The initial employment of 1,3-propanediol (pdH2) in the synthesis of 3d/4f metal clusters has afforded a new family of tetranuclear Mn2Ln2O2(CH3)3CCO28(CH3)3CCO2H2(pdH2)2] (Ln = Dy, 1