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Crystal structure of a Cu(II) complex with a bridging ligand: poly[[penta-kis-[μ2-1,1'-(butane-1,4-di-yl)bis-(1H-imidazole)-κ(2) N (3):N (3')]dicopper(II)] tetranitrate tetra-hydrate].

Wu F, Shang M, Li S, Zhao Y - Acta Crystallogr Sect E Struct Rep Online (2014)

Bottom Line: The Cu(II) cations are linked by biim ligands to give a 4(4) layer; the layers are further bridged by biim ligands, generating a double sheet with a thickness of 14.61 Å.The sheet features rhombic Cu4(biim)4 windows built up from four Cu(II) centers and four biim ligands with dimensions of 14.11 × 14.07 Å(2).Each window of a layer is penetrated directly by the biim ligand of the adjacent net, giving a two-dimensional→three-dimensional entangled framework.

View Article: PubMed Central - HTML - PubMed

Affiliation: Heilongjiang Agricultural Vocational and Technical College, JiaMuSi 154007 Heilongjiang, People's Republic of China.

ABSTRACT
A novel two-dimensional→three-dimensional Cu(II) coordination polymer, {[Cu2(C10H14N4)5](NO3)4·4H2O} n , based on the 1,1'-(butane-1,4-di-yl)bis-(1H-imidazole) (biim) ligand and containing one crystallographically unique Cu(II) atom, has been synthesized under hydro-thermal conditions. The Cu(II) atom is coordinated by five N atoms from biim ligands, one of which has crystallographically imposed inversion symmetry, giving rise to a slightly distorted CuN5 square-pyramidal geometry. The Cu(II) cations are linked by biim ligands to give a 4(4) layer; the layers are further bridged by biim ligands, generating a double sheet with a thickness of 14.61 Å. The sheet features rhombic Cu4(biim)4 windows built up from four Cu(II) centers and four biim ligands with dimensions of 14.11 × 14.07 Å(2). Each window of a layer is penetrated directly by the biim ligand of the adjacent net, giving a two-dimensional→three-dimensional entangled framework.

No MeSH data available.


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The two-dimensional double layer with large windows in (I).
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fig2: The two-dimensional double layer with large windows in (I).

Mentions: The CuII cations are linked by biim ligands, giving a 44 layer; the layers are further bridged by biim ligands at nearly vertical directions, generating a double sheet with a thickness of 14.61 Å (Fig. 2 ▶). The sheet exhibits Cu4(biim)4 windows built up from four CuII atoms and four biim ligands with dimensions of 14.11 × 14.07 Å2. From a topological viewpoint, the sheet reveals a 5-connected topology, in which the Cu atom acts as a 5-connected node and the biim ligand is regarded as a linker. Considering the composition, the Schläfli symbol of the two-dimensional network can be defined as 48.62 (Fig. 3 ▶).


Crystal structure of a Cu(II) complex with a bridging ligand: poly[[penta-kis-[μ2-1,1'-(butane-1,4-di-yl)bis-(1H-imidazole)-κ(2) N (3):N (3')]dicopper(II)] tetranitrate tetra-hydrate].

Wu F, Shang M, Li S, Zhao Y - Acta Crystallogr Sect E Struct Rep Online (2014)

The two-dimensional double layer with large windows in (I).
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4257462&req=5

fig2: The two-dimensional double layer with large windows in (I).
Mentions: The CuII cations are linked by biim ligands, giving a 44 layer; the layers are further bridged by biim ligands at nearly vertical directions, generating a double sheet with a thickness of 14.61 Å (Fig. 2 ▶). The sheet exhibits Cu4(biim)4 windows built up from four CuII atoms and four biim ligands with dimensions of 14.11 × 14.07 Å2. From a topological viewpoint, the sheet reveals a 5-connected topology, in which the Cu atom acts as a 5-connected node and the biim ligand is regarded as a linker. Considering the composition, the Schläfli symbol of the two-dimensional network can be defined as 48.62 (Fig. 3 ▶).

Bottom Line: The Cu(II) cations are linked by biim ligands to give a 4(4) layer; the layers are further bridged by biim ligands, generating a double sheet with a thickness of 14.61 Å.The sheet features rhombic Cu4(biim)4 windows built up from four Cu(II) centers and four biim ligands with dimensions of 14.11 × 14.07 Å(2).Each window of a layer is penetrated directly by the biim ligand of the adjacent net, giving a two-dimensional→three-dimensional entangled framework.

View Article: PubMed Central - HTML - PubMed

Affiliation: Heilongjiang Agricultural Vocational and Technical College, JiaMuSi 154007 Heilongjiang, People's Republic of China.

ABSTRACT
A novel two-dimensional→three-dimensional Cu(II) coordination polymer, {[Cu2(C10H14N4)5](NO3)4·4H2O} n , based on the 1,1'-(butane-1,4-di-yl)bis-(1H-imidazole) (biim) ligand and containing one crystallographically unique Cu(II) atom, has been synthesized under hydro-thermal conditions. The Cu(II) atom is coordinated by five N atoms from biim ligands, one of which has crystallographically imposed inversion symmetry, giving rise to a slightly distorted CuN5 square-pyramidal geometry. The Cu(II) cations are linked by biim ligands to give a 4(4) layer; the layers are further bridged by biim ligands, generating a double sheet with a thickness of 14.61 Å. The sheet features rhombic Cu4(biim)4 windows built up from four Cu(II) centers and four biim ligands with dimensions of 14.11 × 14.07 Å(2). Each window of a layer is penetrated directly by the biim ligand of the adjacent net, giving a two-dimensional→three-dimensional entangled framework.

No MeSH data available.


Related in: MedlinePlus