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Catena-Poly[[[(dimethyl-malonato-?O:O')(perchlorato-?O)copper(II)]-?-bis-(3-pyridylmeth-yl)piperazinediium-?N:N] perchlorate dihydrate].

ABSTRACT: In the title compound, {[Cu(C(5)H(6)O(4))(ClO(4))(C(16)H(22)N(4))]ClO(4)·2H(2)O}(n), square-pyramidally coordinated Cu atoms with perchlorate and dimethyl-malonate ligands are connected into cationic sinusoidal coordination polymer chains by doubly protonated bis-(3-pyridylmeth-yl)piperazine (3-bpmp) ligands. The chains aggregate into pseudo-layers parallel to the (101) crystal planes by N-H?O hydrogen bonding. Unligated perchlorate anions and water mol-ecules of crystallization provide additional hydrogen bonding between pseudo-layers.

SUBMITTER: Farnum GA

PROVIDER: S-EPMC2959823 | biostudies-literature | 2008 Nov

REPOSITORIES: biostudies-literature

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catena-Poly[[[(dimethyl-malonato-κO:O')(perchlorato-κO)copper(II)]-μ-bis-(3-pyridylmeth-yl)piperazinediium-κN:N] perchlorate dihydrate].

Farnum Gregory A GA Laduca Robert L RL

Acta crystallographica. Section E, Structure reports online 20081113 Pt 12

In the title compound, {[Cu(C(5)H(6)O(4))(ClO(4))(C(16)H(22)N(4))]ClO(4)·2H(2)O}(n), square-pyramidally coordinated Cu atoms with perchlorate and dimethyl-malonate ligands are connected into cationic sinusoidal coordination polymer chains by doubly protonated bis-(3-pyridylmeth-yl)piperazine (3-bpmp) ligands. The chains aggregate into pseudo-layers parallel to the (101) crystal planes by N-H⋯O hydrogen bonding. Unligated perchlorate anions and water mol-ecules of crystallization provide addition ...[more]

PMID: 21581141

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catena-Poly[[(2,9-dimethyl-1,10-phenanthroline-κN,N')cobalt(II)]-μ-malonato-κO,O:O,O].

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| S-EPMC2959606 | biostudies-literature

catena-Poly[[diaqua-bis-(isoquinoline-κN)cobalt(II)]-μ-succinato-κO:O].

Project description:In the title compound, [Co(C(4)H(4)O(4))(C(9)H(7)N)(2)(H(2)O)(2)](n), the Co(II) cation, located on an inversion center, is coordinated by two succinate anions, two isoquinoline ligands and two water mol-ecules in a distorted octa-hedral geometry. The succinate anion, located across another inversion center, bridges the Co cations, forming polymeric chains running along the b axis. The partially overlapped arrangement of parallel isoquinoline ring systems of adjacent polymeric chains and the shorter face-to-face distance of 3.402 (6) Å indicates the existence of weak π-π stacking in the crystal structure. Classical intra- and inter-molecular O-H⋯O hydrogen bonding and weak non-classical inter-molecular C-H⋯O hydrogen bonding help to stabilize the crystal structure.

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