Hydrogen-bonded chains of rings in 3-iodobenzaldehyde 2,4-dinitrophenylhydrazone and 4-iodobenzaldehyde 2,4-dinitrophenylhydrazone, and a three-dimensional framework in 4-iodobenzaldehyde 4-nitrophenylhydrazone generated by the combination of N-H...O and C-H...O hydrogen bonds with iodo-nitro intera

doi:10.1107/S0108270103025745

Paper

Hydrogen-bonded chains of rings in 3-iodobenzaldehyde 2,4-dinitrophenylhydrazone and 4-iodobenzaldehyde 2,4-dinitrophenylhydrazone, and a three-dimensional framework in 4-iodobenzaldehyde 4-nitrophenylhydrazone generated by the combination of N-H...O and C-H...O hydrogen bonds with iodo-nitro intera

Published 2004 · C. Glidewell, J. N. Low, J. Skakle

Acta crystallographica. Section C, Crystal structure communications

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Abstract

Molecules of 3- and 4-iodobenzaldehyde 2,4-dinitrophenylhydrazone, C(13)H(9)IN(4)O(4), are both effectively planar. In the crystal structure of each compound, molecules are linked by a combination of N-H...O and C-H...O hydrogen bonds into complex chains of rings, containing four and three different ring motifs, respectively; neither compound contains any iodo-nitro interactions. In 3-iodobenzaldehyde 4-nitrophenylhydrazone, C(13)H(10)IN(3)O(2), where the iodinated aryl ring is disordered over two sets of sites, the hydrogen bonds generate a chain of rings, while two independent I...O interactions generate a three-dimensional framework.

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Hydrogen-bonded chains of rings in 3- and 4-iodobenzaldehyde 2,4-dinitrophenylhydrazones, and a three-dimensional framework in 4-iodobenzaldehyde 4-nitrophenylhydrazone, are linked by a combination of

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

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Paper

Hydrogen-bonded chains of rings in 3-iodobenzaldehyde 2,4-dinitrophenylhydrazone and 4-iodobenzaldehyde 2,4-dinitrophenylhydrazone, and a three-dimensional framework in 4-iodobenzaldehyde 4-nitrophenylhydrazone generated by the combination of N-H...O and C-H...O hydrogen bonds with iodo-nitro intera

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References

Citations

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