Synthesis and crystal structure of ND(III)-BI(III) coordination polymer with EDTA and thiocyanate as bridging ligands

Popa Nelea; Gulya Aurelian; Simonov Yurii A.; Gdaniec Maria; Shova Sergiu

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2023-06-28 10:28

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POPA, Nelea, GULYA, Aurelian, SIMONOV, Yurii A., GDANIEC, Maria, SHOVA, Sergiu. Synthesis and crystal structure of ND(III)-BI(III) coordination polymer with EDTA and thiocyanate as bridging ligands. In: Чугаевская конференция по координационной химии, 20-24 iunie 2005, Chişinău. Chișinău, Republica Moldova: Tipografia Academiei de Ştiinţe a Moldovei, 2005, Ed.22, pp. 250-251.

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Чугаевская конференция по координационной химии
Ed.22, 2005

Conferința "Чугаевская конференция по координационной химии"
Chişinău, Moldova, 20-24 iunie 2005

Synthesis and crystal structure of ND(III)-BI(III) coordination polymer with EDTA and thiocyanate as bridging ligands

Pag. 250-251

Popa Nelea¹, Gulya Aurelian¹, Simonov Yurii A.², Gdaniec Maria³, Shova Sergiu²

¹ Moldova State University,
² Institute of Applied Physics, Academy of Sciences of Moldova,
³ Adam Mickiewicz University in Poznan

Disponibil în IBN: 29 mai 2020

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Teza

Lanthanoide(III)-bismuth(III) heterometallic complexes are of great interest
in view of their potential use as single-source precursors for advanced materials.

These materials can be used as superconductors, ionic conductors, catalysts,
ferroelectrics, pigments etc.
The heterometallic complex of formulae NdBiEdta(NCS)2 ⋅ 4H2O (1) has
been obtained by an exchange reaction of neodymium(III) thiocyanate with
ammonium ethylenediaminetatraacetatebismuth(III) in aqueous solutions.
Nd(NCS)3 solution has been obtained by dissolving neodymium(III) carbonates
in aqueous HNCS.
The obtained complex has been investigated by thermogravimetry analysis,
IR, RMN spectroscopies and single crystal X-ray crystallography. Crystal 1 is

monoclinic and crystallizes in P21/n space group with unit cell parameters: a
= 9.393(2), b =16.808(3), c = 14.606(3) (Å), β=103.07(3)º. Crystal structure
represents a 3D coordination network sustained by the bridging function of four
carboxylate groups of the decadentate Edta4- ligand and one of two NCS- ligands,
coordinated to Bi through S atom (Bi(1)-S(1) 3.175(3) Å) and to Nd through
N atom (Bi(1)-N(3) 2.488(3) Å). The second NCS- group is coordinated as
monodentate ligand Bi(1)-S(2) 3.147(3) Å). Analogue tridimensional structures
have been obtained with nitrate ion. [1]
[1] V. Stavila, A. Gulea, N. Popa, S. Shova, A. Merbach, Yu. A. Simonov, J.
Lipkowski. Inorg. Chem. Comm. 7 (2004) 634-637.