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Two 2-D copper(II) azido compounds: catena-poly[di-μ1,1- azido,di-μN,O-(quinolinecarboxylato)(aqua)copper(II)] and 1-D catena-poly[di-μN,N'-(quinoxaline)copper(II)nitrate]

Alshima'a A. Massoud (Institutionen för kemi- och bioteknik, Fysikalisk kemi) ; Vratislav Langer (Institutionen för kemi- och bioteknik, Oorganisk miljökemi) ; Lars Öhrström (Institutionen för kemi- och bioteknik, Fysikalisk kemi) ; Morsy A.M. Abu-Youssef
Journal of Coordination Chemistry (0095-8972). Vol. 62 (2009), 4, p. 519-530.
[Artikel, refereegranskad vetenskaplig]

We synthesized three copper(II) complexes with two structurally related polydentate ligands, quinoline-4-carboxylic acid (quCOOH) and quinoxaline (qux). The structures of these complexes were determined using X-ray single crystal crystallography. Complex 1, [Cu(quCOO)(N3)(H2O)]n, has a 2-D polymeric structure through di-μ1,1 azido groups forming (Cu2N2) dimeric units and di-μN,O quinoline carboxylate bridging the binuclear copper units. [Cu(quCOO)(N3)(H2O)]n . 0.87MeOH, (2), has the same structure as 1 in addition to MeOH molecules separating the 2-D sheets of [Cu(quCOO)(N3)(H2O)]n. [Cu(qux)(NO3)2]n, (3), has no coordinated azido groups, but the quinoxaline is a bidentate bridging ligand giving a 1-D chain, while the μO,O' chelating nitrato groups stabilize the chain structure by forming a square planar coordination sphere around copper. IR and UV–Vis spectra of the complexes are in agreement with the crystal structures.

Nyckelord: Copper(II), azido compounds, quinoline-4-carboxylate, quinoxaline



Denna post skapades 2009-01-22. Senast ändrad 2014-11-10.
CPL Pubid: 88767

 

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Institutioner (Chalmers)

Institutionen för kemi- och bioteknik, Fysikalisk kemi (2005-2014)
Institutionen för kemi- och bioteknik, Oorganisk miljökemi (2005-2014)

Ämnesområden

Koordinationskemi
Fasta tillståndets kemi

Chalmers infrastruktur

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Copper(II) Azido Complexes: Synthesis, X-ray structures, thermal and magnetic properties