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Martin Vavra

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Acta Crystallographica Section E-structure Reports Online | 2008

Tris(propane-1,2-diamine-κ2N,N′)nickel(II) tetra­cyanidoplatinate(II)

Ivan Potočňák; Martin Vavra; Dirk Steinborn; Christoph Wagner

In the title compound, [Ni(C3H10N2)3][Pt(CN)4], the [Pt(CN)4]2− anion with the environment of the PtII atom, lying on a mirror plane, is square planar, whereas the NiII atom in the [Ni(C3N2H10)3]2+ cation, also lying on a mirror plane, has a slightly distorted octahedral coordination geometry. Three chiral 1,2-diaminopropane molecules, which are disordered equally over two sets of positions, adopt Δ(δδδ) and Δ(λλλ) configurations. The average Ni—N and Pt—C bond lengths are 2.131 (10) and 1.988 (10) Å, respectively. The cations and anions are connected by N—H⋯N hydrogen bonds.

Journal of Solid State Chemistry | 2006

Low-dimensional compounds containing cyano groups. XIV. Crystal structure, spectroscopic, thermal and magnetic properties of [CuL2][Pt(CN)4] complexes (L = ethylenediamine or N,N-dimethylethylenediamine)

Ivan Potočňák; Martin Vavra; E. Čižmár; Katarína Tibenská; A. Orendáčová; Dirk Steinborn; Christoph Wagner; Michal Dušek; Karla Fejfarová; Harry Schmidt; Thomas Mu˝ller; M. Orendáč; A. Feher

Journal of Solid State Chemistry | 2009

Low-dimensional compounds containing cyano groups. XVII. Crystal structure, spectroscopic, thermal and magnetic properties of [Cu(bmen)2][Pt(CN)4] (bmen=N,N′-dimethylethylenediamine)

Ivan Potočňák; Martin Vavra; E. Čižmár; M. Kajňaková; Alena Radváková; Dirk Steinborn; S. A. Zvyagin; Jochen Wosnitza; A. Feher

Transition Metal Chemistry | 2010

Preparation, spectroscopic and magnetic characterization of Cu(cyclam)M(CN) 4 complexes exhibiting one-dimensional crystal structures (cyclam = 1,4,8,11-tetraazacyclotetradecane, M = Ni, Pd, Pt)

Juraj Černák; Juraj Kuchár; Monika Stolárová; M. Kajňaková; Martin Vavra; Ivan Potočňák; Larry R. Falvello; Milagros Tomás

Inorganic Chemistry Communications | 2009

Low-dimensional compounds containing cyano groups. XVIII. Two-dimensional network made of [Cu(tmen)]2+ moieties (tmen = tetramethylethylenediamine) connected by [Pt(CN)4]2− anions with three different bridging cyano groups

Martin Vavra; Ivan Potočňák; M. Kajňaková; E. Čižmár; A. Feher

Polyhedron | 2012

Low-dimensional compounds containing cyanido groups. XXII. Crystal structure, spectroscopic, thermal and magnetic properties of four Cu(II) tetracyanidoplatinates with atypical chain-like structures

Martin Vavra; Ivan Potočňák; Miroslava Marhefková; Roman Boča; L’ubor Dlháň

Polyhedron | 2011

Low-dimensional compounds containing cyanido groups. XXI. Crystal structure, spectroscopic, thermal and magnetic properties of two polymorphous modifications of [Cu(men)2Pt(CN)4]n complex (men = N-methyl-1,2-diaminoethane)

Martin Vavra; Ivan Potočňák; E. Čižmár; M. Kajňaková; Michal Dušek; Harry Schmidt; M. Ozerov; S. A. Zvyagin; L’ubor Dlháň; Roman Boča

Inorganica Chimica Acta | 2009

Low-dimensional compounds containing cyano groups. XIX. Crystal structure, spectroscopic, thermal and magnetic properties of {[Cu(tn)2]3[Pt(CN)4]2}[Pt(CN)4] (tn = 1,3-diaminopropane) complex

Ivan Potočňák; Martin Vavra; E. Čižmár; Michal Dušek; Thomas Müller; Dirk Steinborn

Transition Metal Chemistry | 2008

Low-dimensional compounds containing cyano groups. XV. Preparation, crystal structure and spectral properties of three copper(II) nitrosodicyanomethanide complexes

Ivan Potočňák; Martin Vavra; Lothar Jäger; Peter Baran; Christoph Wagner

Physica Status Solidi B-basic Solid State Physics | 2006

Influence of hydrogen bonds on magnetic properties of Cu(dmen )2M(CN)4 (M = Ni, Pt) S = 1/2 low-dimensional Heisenberg antiferromagnets

E. Čižmár; A. Orendáčová; M. Orendáč; J. Kuchár; Martin Vavra; Ivan Potočňák; J. Černák; E. Casini; A. Feher

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E. Čižmár

University of Florida

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Michal Dušek

Academy of Sciences of the Czech Republic

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A. Feher

Slovak Academy of Sciences

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S. A. Zvyagin

Helmholtz-Zentrum Dresden-Rossendorf

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M. Kajňaková

Slovak Academy of Sciences

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M. Ozerov

Helmholtz-Zentrum Dresden-Rossendorf

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A. Orendáčová

Slovak Academy of Sciences

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M. Orendáč

Slovak Academy of Sciences

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Roman Boča

University of Pardubice

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J.-H. Park

University of Florida

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