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Catena-Poly[[bis-(nitrato-?O)copper(II)]-?-1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)-benzene-?N:N'].

ABSTRACT: In the title coordination polymer, [Cu(NO(3))(2)(C(12)H(12)N(2)O(2))](n), the Cu(II) ion, situated on an inversion center, is coordinated by two O atoms from two nitrate anions and two N atoms from two 1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)benzene (L) ligands in a distorted square-planar geometry. Each L ligand also lies across an inversion center and bridges two Cu(II) ions, forming a polymeric chain running along the [101] direction. The three O atoms of the nitrate group are disordered over two positions in a 3:2 ratio.

SUBMITTER: Wang PN

PROVIDER: S-EPMC3152049 | biostudies-literature | 2011 Jul

REPOSITORIES: biostudies-literature

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catena-Poly[[bis-(nitrato-κO)copper(II)]-μ-1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)-benzene-κN:N'].

Wang Pin-Ning PN Yeh Chun-Wei CW Tsai Hui-An HA Wang Ju-Chun JC Suen Maw-Cherng MC

Acta crystallographica. Section E, Structure reports online 20110611 Pt 7

In the title coordination polymer, [Cu(NO(3))(2)(C(12)H(12)N(2)O(2))](n), the Cu(II) ion, situated on an inversion center, is coordinated by two O atoms from two nitrate anions and two N atoms from two 1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)benzene (L) ligands in a distorted square-planar geometry. Each L ligand also lies across an inversion center and bridges two Cu(II) ions, forming a polymeric chain running along the [101] direction. The three O atoms of the nitrate group are disordered over tw ...[more]

PMID: 21836874

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Poly[[?-1,4-bis-(4,5-dihydro-1,3-oxazol-2-yl)benzene-?N:N']di-?-bromido-cadmium].

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Project description:The commercially available title compound, C(25)H(23)N(3)O(2), has been known since 1993 [Nesper et al. (1993 ?). Helv. Chim. Acta, 76, 2239-2249], but has not been structurally characterized until now. In the free ligand, the N atoms of both oxazoline rings point in opposite directions. The phenyl rings make dihedral angles of 30.56?(5) and 84.57?(3)° with the pyridine ring and 72.85?(3)° with each other.

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catena-Poly[[[bis-(nitrato-?O)copper(II)]-bis-[?-1,3-bis-(imidazol-1-yl)-5-methyl-benzene-?(2)N(3):N(3')]] dihydrate].

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Project description:The title compound, C(12)H(10)N(2)O, is approximately planar. The angle between the quinoline and 4,5-dihydro-oxazole ring systems is 11.91?(12)°. The mol-ecules pack into a herringbone array with no significant ?-? inter-actions. The dihydro-oxazole N and O atoms are disordered over two positions, with almost equal site occupancy factors.

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catena-Poly[[bis-(nitrato-?O)cobalt(II)]-bis-[?-1,4-bis-(pyridin-3-ylmeth-oxy)benzene-?N:N']].

Project description:In the title compound, [Co(NO(3))(2)(C(18)H(16)N(2)O(2))(2)](n), the Co(II) ion is located on an inversion center and is six-coordinated in an octa-hedral environment defined by four N atoms of the pyridine rings and two O atoms of the nitrate anions. The ligands link the Co(II) ions into a linear chain running along [201]. One O atom of the nitrate ligand is disordered over two positions with site-occupancy factors of 0.59?(4) and 0.41?(4).

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catena-Poly[[bis-(nitrato-?O)cadmium]bis-[?-1,4-bis-(pyridin-3-yl-meth-oxy)benzene-?N:N']].

Project description:In the title compound, [Cd(NO(3))(2)(C(18)H(16)N(2)O(2))(2)](n), the six-coordinated Cd(II) ion is located on an inversion center and has a distorted octa-hedral environment defined by four N atoms from four 1,4-bis-(pyridin-3-ylmeth-oxy)benzene ligands and two O atoms from two nitrate anions. The ligands link the Cd(II) ions into a ribbon-like structure running along [201]. One O atom of the nitrate anion is disordered over two positions with site-occupancy factors of 0.59?(2) and 0.41?(2).

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