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Upper GI Series: Barium Swallow

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Related Experiment Video

Updated: Jun 5, 2026

Chemical Synthesis of Porous Barium Titanate Thin Film and Thermal Stabilization of Ferroelectric Phase by Porosity-Induced Strain

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Published on: March 27, 2018

Poly[[μ(2)-aqua-aqua-(μ(3)-3,5-dinitro-salicylato)barium(II)] monohydrate].

Wen-Dong Song¹, Run-Zhen Fan, Chang-Sheng Gu

¹College of Science, Guang Dong Ocean University, Zhanjiang 524088, People's Republic of China.

Acta Crystallographica. Section E, Structure Reports Online

|January 5, 2011

Summary

This study details a new coordination polymer, {[Ba(C(7)H(2)N(2)O(7))(H(2)O)(2)]·H(2)O}(n), featuring barium ions linked by dinitrosalicylate ligands. These units form infinite chains and a supramolecular network via hydrogen bonding.

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Last Updated: Jun 5, 2026

Chemical Synthesis of Porous Barium Titanate Thin Film and Thermal Stabilization of Ferroelectric Phase by Porosity-Induced Strain

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Investigations on the Ga(III) Complex of EOB-DTPA and Its 68Ga Radiolabeled Analogue

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Published on: August 17, 2016

Area of Science:

Inorganic Chemistry
Crystallography
Materials Science

Background:

Coordination polymers offer tunable properties for diverse applications.
Barium-based coordination polymers are less explored than those of other alkaline earth metals.

Purpose of the Study:

To synthesize and characterize a novel barium coordination polymer using 3,5-dinitrosalicylate ligands.
To investigate the structural features and supramolecular assembly of the resulting material.

Main Methods:

Single-crystal X-ray diffraction was employed to determine the precise atomic arrangement.
Infrared spectroscopy and thermal analysis were used for further characterization.

Main Results:

A novel coordination polymer, {[Ba(C(7)H(2)N(2)O(7))(H(2)O)(2)]·H(2)O}(n), was successfully synthesized.
The barium(II) center exhibits ten-coordination with a bicapped square-antiprismatic geometry.
3,5-dinitrosalicylate ligands bridge three barium atoms, forming dinuclear barium units.
These units assemble into infinite chains and a supramolecular network via hydrogen bonding.

Conclusions:

The study presents a new barium coordination polymer with a unique structural motif.
Hydrogen bonding plays a crucial role in the formation of the extended supramolecular network.