Construction of tube- and ladderlike Copper(II) coordination polymers based on the nicotinato tecton

Madalan AM, Paraschiv C, Sutter JP, Schmidtmann M, Müller A, Andruh M (2005)
CRYSTAL GROWTH & DESIGN 5(2): 707-711.

Journal Article | Published | English

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Abstract
Three 1-D copper(II) coordination polymers have been obtained by using the nicotinato anion (NA(-)) as a bridge, and 2,2'-bipyridine or dicyanamide (dca) as coligands: [Cu-1(infinity)2(bipy)(2)(NA)(2)](ClO4)(2)center dot H2O 1, [Cu-1(infinity)2(Me(2)bipy)(2)(NA)(2)](ClO4)(2) 2, [Cu-1(infinity)3(NA)(4)(dca)(2)(H2O)(8)]center dot 2H(2)O 3 (bipy = 2,2'-bipyridine; Me(2)bipy = 4,4'-dimethyl-2,2'-bipyridine, dca = dicyanamide anion). The metal-ligand association in compounds 1 and 2 is very similar and generates tubelike coordination polymers, which are constructed from pairs of copper atoms connected through two carboxylato groups from two NA(-) ligands. Each pyridyl moiety from the NA(-) ligand coordinates at the apical position of the copper ions from another pair, resulting in chains running along the crystallographic c axis. The structure of 3 consists of infinite ladderlike chains: the rungs are formed by trinuclear [Cu-3] moieties, with the copper(II) ions connected through NA- bridges, the ladder sides being constructed from dca(-) bridging ligands. The cryomagnetic investigation of the three compounds reveals weak antiferromagnetic interactions mediated by the nicotinato ligand, 1: J = -7.3 cm(-1), 2: -15.3 cm(-1), 3: -0.58 cm(-1).
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Madalan AM, Paraschiv C, Sutter JP, Schmidtmann M, Müller A, Andruh M. Construction of tube- and ladderlike Copper(II) coordination polymers based on the nicotinato tecton. CRYSTAL GROWTH & DESIGN. 2005;5(2):707-711.
Madalan, A. M., Paraschiv, C., Sutter, J. P., Schmidtmann, M., Müller, A., & Andruh, M. (2005). Construction of tube- and ladderlike Copper(II) coordination polymers based on the nicotinato tecton. CRYSTAL GROWTH & DESIGN, 5(2), 707-711.
Madalan, A. M., Paraschiv, C., Sutter, J. P., Schmidtmann, M., Müller, A., and Andruh, M. (2005). Construction of tube- and ladderlike Copper(II) coordination polymers based on the nicotinato tecton. CRYSTAL GROWTH & DESIGN 5, 707-711.
Madalan, A.M., et al., 2005. Construction of tube- and ladderlike Copper(II) coordination polymers based on the nicotinato tecton. CRYSTAL GROWTH & DESIGN, 5(2), p 707-711.
A.M. Madalan, et al., “Construction of tube- and ladderlike Copper(II) coordination polymers based on the nicotinato tecton”, CRYSTAL GROWTH & DESIGN, vol. 5, 2005, pp. 707-711.
Madalan, A.M., Paraschiv, C., Sutter, J.P., Schmidtmann, M., Müller, A., Andruh, M.: Construction of tube- and ladderlike Copper(II) coordination polymers based on the nicotinato tecton. CRYSTAL GROWTH & DESIGN. 5, 707-711 (2005).
Madalan, A. M., Paraschiv, C., Sutter, J. P., Schmidtmann, Marc, Müller, Achim, and Andruh, Marius. “Construction of tube- and ladderlike Copper(II) coordination polymers based on the nicotinato tecton”. CRYSTAL GROWTH & DESIGN 5.2 (2005): 707-711.
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