Tris(2,2′-bipyridine-κ2 N,N′)cobalt(III) tris(oxalato-κ2 O 1,O 2)ferrate(III) monohydrate
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چکیده
The title compound, [Co(C(10)H(8)N(2))(3)][Fe(C(2)O(4))(3)]·H(2)O, con-sists of two discrete tris-(chelate) metal ions (Co(III)N(6) and Fe(III)O(6) chromophores) and a water mol-ecule. The structure is highly symmetrical; the Co(III) and Fe(III) ions occupy positions with site symmetry 3.2. The coordination polyhedra of the metal atoms have a nearly octa-hedral geometry with noticeable trigonal distortions. The Co-N and Fe-O bond lengths are equal by symmetry, viz. 1.981 (2) and 1.998 (4) Å, respectively. The cations and anions are arranged alternately along their threefold rotation axes parallel to [001], forming chains that are packed in a hexa-gonal manner. The water mol-ecules occupy voids between the chains. The crystal under investigation was an inversion twin.
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Bis(2,2′-bipyridine-κ2 N,N′)tris(nitrato-κ2 O,O′)erbium(III)
The asymmetric unit of the title compound, [Er(NO(3))(3)(C(10)H(8)N(2))(2)], contains one-half mol-ecule situated on a twofold rotation axis. The Er(III) ion is in a tenfold coordination by six O atoms from three NO(3) (-) anions and four N atoms from two 2,2'-bipyridine ligands in a distorted bicapped dodeca-hedral geometry. In the crystal, weak C-H⋯O hydrogen bonds hold the mol-ecules together.
متن کاملTris(ethylenediamine-κ2 N,N′)cobalt(III) aquatris(oxalato-κ2 O 1,O 2)indate(III)
In the cation of the title compound, [Co(C(2)H(8)N(2))(3)][In(C(2)O(4))(3)(H(2)O)], the Co(III) atom is coordinated by six N atoms from three ethyl-enediamine mol-ecules. The Co(III)-N bond lengths lie in the range 1.956 (4)-1.986 (4) Å. In the anion, the In(III) atom is seven-coordinated by six O atoms from three oxalate ligands and by a water mol-ecule. The cations and anions are linked by ex...
متن کاملcatena-Poly[[(2,2′-bipyridine-κ2 N,N′)cobalt(II)]-μ-oxalato-κ4 O 1,O 2:O 1′,O 2′]
In the one-dimensional title coordination polymer, [Co(C(2)O(4))(C(10)H(8)N(2))](n), the Co(II) atom is coordinated in a distorted octa-hedral geometry by two N atoms from one 2,2'-bipyridine ligand and four O atoms belonging to two chelating oxalate ligands. Two neighboring Co centers are bridged by an oxalate ligand, forming a one-dimensional chain structure.
متن کاملcatena-Poly[[(2,2′-bipyridine-κ2 N,N′)cobalt(II)]-μ-oxalato-κ4 O 1,O 2:O 1′,O 2′]
In the title compound, [Co(C(2)O(4))(C(10)H(8)N(2))](n), the oxalate group chelates two adjacent metal atoms, resulting in a zigzag chain running along the a axis. The Co(II) centre exists in an all cis-octa-hedral coordination geometry.
متن کاملcatena-poly[[[(2,2′-bipyridine-2κ2 N,N′)-μ-cyanido-1:2κ2 N:C-cyanido-2κC-tris(methanol-1κO)(nitrato-1κ2 O,O′)iron(II)yttrium(III)]-di-μ-cyanido-1:2′κ2 N:C;2:1′κ2 C:N] methanol solvate hemihydrate]
The title complex, {[Fe(II)Y(III)(CN)(4)(NO(3))(C(10)H(8)N(2))(CH(3)OH)(3)]·CH(3)OH·0.5H(2)O}(n), is built up of ladder-like chains oriented along the c axis. Each ladder consists of two strands based on alternating Fe(II) and Y(III) ions connected by cyanide bridges. Two such parallel chains are connected by additional cyanide anions (the 'rungs' of the ladder), which likewise connect Fe(II) a...
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