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Mixed halide/oxoanion-templated frameworks.

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Title: Mixed halide/oxoanion-templated frameworks.
Authors: Morshedi, Mahbod1, White, Nicholas G.1
Source: CrystEngComm. 5/7/2017, Vol. 19 Issue 17, p2367-2371. 5p.
Subjects: Halides, Oxyanions, Thermal stability
Abstract: A tetrahedral tetra-amidinium compound 14+ was crystallised in the presence of a range of anions (Cl−, Br−, NO3−, oxalate2−) giving a range of interesting solid state structures assembled through amidinium…anion hydrogen bonding interactions. Mixing the chloride or bromide salts of 14+, i.e.1·4Cl or 1·4Br, and inorganic oxalate salts in water gave crystals of ordered three-dimensional network structures containing both oxalate and halide anions. These interesting “mixed anion” frameworks exhibit high thermal stability to heat and hydrolysis but are not significantly porous. Importantly, these materials are significantly more robust than the analogous terephthalate-containing framework materials. [ABSTRACT FROM AUTHOR]
Copyright of CrystEngComm is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
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PubType: Academic Journal
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  Data: A tetrahedral tetra-amidinium compound 14+ was crystallised in the presence of a range of anions (Cl−, Br−, NO3−, oxalate2−) giving a range of interesting solid state structures assembled through amidinium…anion hydrogen bonding interactions. Mixing the chloride or bromide salts of 14+, i.e.1·4Cl or 1·4Br, and inorganic oxalate salts in water gave crystals of ordered three-dimensional network structures containing both oxalate and halide anions. These interesting “mixed anion” frameworks exhibit high thermal stability to heat and hydrolysis but are not significantly porous. Importantly, these materials are significantly more robust than the analogous terephthalate-containing framework materials. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of CrystEngComm is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1039/c7ce00265c
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        Type: general
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              Text: 5/7/2017
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