Tomasz Korzeniak

ORCID: 0000-0002-5667-7809
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About
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Research Areas
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Magnetism in coordination complexes
  • Lanthanide and Transition Metal Complexes
  • Metal-Organic Frameworks: Synthesis and Applications
  • Organic and Molecular Conductors Research
  • Metal complexes synthesis and properties
  • Metalloenzymes and iron-sulfur proteins
  • Inorganic Chemistry and Materials
  • Organometallic Complex Synthesis and Catalysis
  • Polyoxometalates: Synthesis and Applications
  • Crystallography and molecular interactions
  • Metal-Catalyzed Oxygenation Mechanisms
  • Advanced NMR Techniques and Applications
  • Porphyrin and Phthalocyanine Chemistry
  • Magnetic Properties and Synthesis of Ferrites
  • Infant Nutrition and Health
  • Pediatric Hepatobiliary Diseases and Treatments
  • Magnetic and transport properties of perovskites and related materials
  • Magneto-Optical Properties and Applications
  • Probiotics and Fermented Foods

Jagiellonian University
2008-2020

Faculty (United Kingdom)
2016-2020

Krakow Cardiovascular Research Institute
2017

Universitat de València
2008-2009

Institut de Chimie de la Matière Condensée de Bordeaux
2009

Centre National de la Recherche Scientifique
2009

Universidad Complutense de Madrid
2008

European Synchrotron Radiation Facility
2008

Institute of Physics
2004-2007

The effect of applied pressure on the magnetic properties Prussian blue analogue K0.4Fe4[Cr(CN)6]2.8·16H2O (1) has been analyzed by dc and ac susceptibility measurements. Under ambient conditions, 1 orders ferromagnetically at a critical temperature (TC) 18.5 K. application in 0−1200 MPa range, magnetization material decreases its shifts to lower temperatures, reaching TC = 7.5 K 1200 MPa. Pressure-dependent Raman Mössbauer spectroscopy measurements show that this striking behavior is due...

10.1021/ja8047046 article EN Journal of the American Chemical Society 2008-10-21

Abstract The aim and the scope of this review is to show results ten years research following first reports on magnetic photomagnetic assemblies constructed from [M(CN) 8 ] n – . It illustrated basis our own work as well a wide range studies carried out in numerous laboratories around world. diversity evolution topological structural patterns discussed alongside synthetic strategies, which led establishment regular magnetostructural correlations selected 3D systems. Different types...

10.1002/ejic.201001055 article EN European Journal of Inorganic Chemistry 2010-12-20

Self-assembly of [Cu(tetren)]2+ (tetren = tetraethylenepentamine) and [W(CN)8]3- in acidic aqueous solution yields the double-layered square grid cyanide-bridged polymer ((tetrenH5)0.8CuII4[Wv(CN)8](4).7.2H2O)n with Cu(II) centres pyramidal geometry coordinatively saturated solely by CN bridges supplied five ions; it exhibits soft ferromagnetic behaviour an ordering temperature Tc 34 K.

10.1039/b202810g article EN Chemical Communications 2002-04-23

We present an overview of very recent advances in the engineering magnetic networks based on octacyanometalates. The selected CuIIWV, NiIIWV and MnIILNbIV (L – organic bridging linker) illustrate possible strategies for tuning characteristics. combination ordering 2D (two-dimensional) 3D (three-dimensional) together with solvent sensitivity a cyano-bridged framework resulted development novel {[MnII(imH)]2[NbIV(CN)8]} assembly sponge character, characterized by Tc 62 K, highest ever observed...

10.1039/b905912a article EN CrystEngComm 2009-01-01

A series of heterobimetallic, cyano-bridged 3D inorganic-organic hybrid networks with MnII-L-MnII and MnII-NC-NbIV linkages are reported. Reaction [Mn(H2O)6]2+ [Nb(CN)8]4- in the presence organic linker L (pyrazine (pyz), pyrazine-N,N'-dioxide (pzdo), 2,2'-bipyrimidine (bpym)) H2O affords {MnII2(pz)2(H2O)4[NbIV(CN)8]}.pz.3H2O (1), {MnII2(pzdo)(H2O)4[NbIV(CN)8]}.5H2O (2), {MnII2(bpym)(H2O)2[NbIV(CN)8]} (3), respectively. 1-3 were examined by X-ray crystallography vibrational magnetochemical...

10.1021/ic7018132 article EN Inorganic Chemistry 2007-10-27

Reaction of the preorganized strands {[CuII(μ-4,4'-bpy)]2+}n (4,4'-bpy = 4,4'-bipyridine) with [WV(CN)8]3- leads to a novel cyano-bridged CuII3WV2 complex [Cu(μ-4,4'-bpy)(DMF)2][Cu(μ-4,4'-bpy)(DMF)]2[WV(CN)8]2·2DMF· 2H2O 1. The structure 1 consists expected 2-dimensional grid-type network which is built infinite chains cross-linked by octacyanotungstate units. CuII−NC−WV−CN−CuII linkage exhibits topology 3,2-chain. skeleton layer additionally stabilized hydrogen bond formed terminal cyano...

10.1021/ic049402o article EN Inorganic Chemistry 2004-07-08

We report on the syntheses, crystal structures, and magnetic properties of two cyano-bridged molecular assemblies: [Cu(II)(phen)(3)](2){[Cu(II)(phen)(2)](2)[W(V)(CN)(8)](2)}(ClO(4))(2) x 10 H(2)O (phen = 1,10-phenanthroline) (1) {[Cu(II)(bpy)(2)](2)[W(V)(CN)(8)]} {[Cu(II)(bpy)(2)][W(V)(CN)(8)]} 4 (bpy 2,2'-bipyridyl) (2). Compound 1 consists [Cu(II)(2)W(V)(2)](2-) rectangles isolated [Cu(II)(phen)(3)](2+) complexes. The structure 2 reveals trinuclear [Cu(II)(2)W(V)](+) dinuclear...

10.1021/ic801989b article EN Inorganic Chemistry 2009-02-27

Two new hexanuclear octahedral cyanido-bridged clusters, {[CdII(bpy)2]4[WIV(CN)8]2}·10H2O (Cd4W2) and {[CdII(bpy)2]4[MoIV(CN)8]2}·10H2O (Cd4Mo2), have been obtained characterized structurally photomagnetically. Both compounds show a very rare reversible single-crystal-to-single-crystal transformation upon dehydration accompanied by marked color changes in the case of Cd4W2. Moreover, irradiation Cd4Mo2 using 436 nm light induces photomagnetic effect due to LIESST-like singlet-triplet...

10.1021/acs.inorgchem.7b01708 article EN Inorganic Chemistry 2017-10-09

The cyano-bridged [CuII(tetrenH2)]2[WIV(CN)8]2·5H2O (tetren = tetraethylenepentaamine) (1), [CuII(tetrenH2)][CuII(tetrenH)][WV(CN)8][WIV(CN)8]·2.5H2O (2), [CuII(dien)]2[WIV(CN)8]·4H2O (dien diethylenetriamine) (3) and its isomorphous molybdenum(IV) analogue (4) have been prepared structurally characterised. 1 2 are built from the W2Cu2(μ-CN)4 squares extended into 1-D structure by cyano-bridges. 2-D 3 4 form a square grid pattern with tungsten atoms in corners –CN–Cu(dien)–NC– linkages on...

10.1039/b306422k article EN Dalton Transactions 2003-01-01

A novel two-dimensional cyanide-bridged polymer [CuII(tren)]{CuI[W(V)(CN)8]} . 1.5H2O (tren = tris(2-aminoethyl)amine) formed via the simultaneous in situ metal-ligand redox reaction of [Cu(tren)(OH2)]2+ and self-assembly with [W(V)(CN)8]3- consists a {CuI[W(V)(CN)8]} square grid built CuI centres tetrahedral geometry coordinatively saturated by CN bridges capped [CuII(tren)]2+ moieties; it exhibits ferromagnetic coupling J1 +5.8(1) cm(-1) within CuII-W(V) dinuclear subunits weak...

10.1039/b502308d article EN Chemical Communications 2005-01-01

The results of the single-crystal studies quasi-two-dimensional (2D) copper-octacyanotungstenate coordination polymer ${{{({\text{tetrenH}}_{5})}_{0.8}{\text{Cu}}_{4}^{\text{II}}{[{\text{W}}^{\text{V}}{(\text{CN})}_{8}]}_{4}\ensuremath{\cdot}7.2{\text{H}}_{2}\text{O}}}_{n}$ are presented. It was found that three-dimensional (3D) magnetic ordering at ${T}_{c}\ensuremath{\approx}33\text{ }\text{K}$ gives rise to antiferromagnetic structure which under relatively small field changes...

10.1103/physrevb.78.174409 article EN Physical Review B 2008-11-10

The self-assembly of copper(ii) complexes with two Schiff base ligands: L1O = N3 and L2 N4 octacyanidomolybdate(iv) ions yields discrete molecules odd nuclearity, namely pentametallic [Cu(L1O)(py)]4[MoIV(CN)8]·14H2O (1), Cu4Mo trimetallic [Cu(L2)]2[MoIV(CN)8]·9H2O (2), Cu2Mo. Both molecular systems have been characterised structurally magnetically, revealing a photomagnetic effect. In the case (1) metal-to-metal charge transfer (MMCT) mechanism is proposed. analysis magnetic interactions in...

10.1039/c6dt01957a article EN Dalton Transactions 2016-01-01

The self-assembly of [CuII(dien)(H2O)2]2+ and [WV(CN)8]3− in aqueous solution leads to the formation (H3O){[CuII(dien)]4[WV(CN)8]}[WV(CN)8]2·6.5H2O (1). crystal structure 1 consists an unprecedented {[CuII(dien)]4[WV(CN)8]}5+∞ chain (2,8) topology, nonbridging [W(CN)8]3− anions, crystallization water molecules. analysis magnetic behavior was performed by density functional theory (DFT) method susceptibility measurements. DFT broken symmetry approach gave two JCuW coupling constants: Jax =...

10.1021/ic101335a article EN Inorganic Chemistry 2011-03-16

The microwave-mediated self-assembly of [WV(CN)8]3- with CuII in the presence pyrazole ligand resulted formation three novel assemblies: CuII2(Hpyr)5(H2O)[WV(CN)8](NO3)·H2O (1), {CuII5(Hpyr)18[WV(CN)8]4}·[CuII(Hpyr)4(H2O)2]·9H2O (2), and CuII4(Hpyr)10(H2O)[WV(CN)8]2(HCOO)2·4.5H2O (3) (Hpyr =1H-pyrazole). Single-crystal X-ray structure 1 consists cyanido-bridged 1-D chains vertex-sharing squares topology. 2 reveals 2-D hybrid inorganic layer topology large coordination spaces occupied by...

10.1021/ic200689a article EN Inorganic Chemistry 2011-08-19

We present thin films obtained by “layer layer” deposition, where Fe/Cr ratio is controlled the dipping sequence. The goal of our work investigation material properties evolution induced change its chemical composition.

10.1039/c6ra25775e article EN cc-by-nc RSC Advances 2017-01-01

Chiral photomagnets compose a class of multifunctional molecule-based materials with light-induced alteration magnetization and chiral properties. The rational design synthesis such assemblies is challenge, only few systems are known. Herein, the remarkable octacyanide-bridged enantiomeric pair 1-D chains [Cu((R,R)-chxn)2]2[Mo(CN)8]·H2O (1R) [Cu((S,S)-chxn)2]2[Mo(CN)8]·H2O (1S) exhibiting enantiopure structural helicity, which results in optical activity 350-800 nm range as confirmed by...

10.1021/acs.inorgchem.9b03511 article EN Inorganic Chemistry 2020-04-20

Abstract We present the magneto–structural correlations for two novel discrete cyano‐bridged assemblies based on cationic complexes of manganese(II) with diimine ligands and octacyanotungstate(V) ions. The crystal structure [Mn II (terpy)(dmf)(H 2 O) ][Mn (terpy)(H O)(dmf)(μ‐NC)W V (CN) 7 ] · 6H O ( 1 ) (terpy = 2,2′;6′,2″‐terpyridine, dmf dimethylformamide) contains dinuclear {Mn W } – anions, while (phen) 3 (μ‐NC) 6 (ClO 4 9H (phen 1,10‐phenanthroline) is built tetranuclear 2– square...

10.1002/ejic.201000280 article EN European Journal of Inorganic Chemistry 2010-07-27
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