Synthesis, Characterization, and Computational Analysis of the Dialanate Dianion, [H3Al-AlH3]2−: A Valence Isoelectronic Analogue of Ethane

Simon J. Bonyhady; Nicole Holzmann; Gernot Frenking; Andreas Stasch; Cameron Jones

doi:10.1002/anie.201610601

Synthesis, Characterization, and Computational Analysis of the Dialanate Dianion, [H₃Al-AlH₃]²⁻: A Valence Isoelectronic Analogue of Ethane

Simon J. Bonyhady, Nicole Holzmann, Gernot Frenking, Andreas Stasch, Cameron Jones

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

The first example of a well-defined binary, low-oxidation-state aluminum hydride species that is stable at ambient temperature, namely the dianion in [{(^DepNacnac)Mg}₂(μ-H)]₂[H₃Al-AlH₃] (^DepNacnac=[(DepNCMe)₂CH]⁻, Dep=2,6-diethylphenyl), has been prepared via a magnesium(I) reduction of the alanate complex, (^DepNacnac)Mg(μ-H)₃AlH(NEt₃). An X-ray crystallographic analysis has shown the compound to be a contact ion complex, which computational studies have revealed to be the source of the stability of the aluminum(II) dianion.

Original language	English
Pages (from-to)	8527-8531
Number of pages	5
Journal	Angewandte Chemie - International Edition
Volume	56
Issue number	29
DOIs	https://doi.org/10.1002/anie.201610601
State	Published - 10 Jul 2017
Externally published	Yes

Keywords

DFT calculations
dialanate
hydride
magnesium(I)
metal–metal bonding

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title = "Synthesis, Characterization, and Computational Analysis of the Dialanate Dianion, [H3Al-AlH3]2−: A Valence Isoelectronic Analogue of Ethane",

abstract = "The first example of a well-defined binary, low-oxidation-state aluminum hydride species that is stable at ambient temperature, namely the dianion in [{(DepNacnac)Mg}2(μ-H)]2[H3Al-AlH3] (DepNacnac=[(DepNCMe)2CH]−, Dep=2,6-diethylphenyl), has been prepared via a magnesium(I) reduction of the alanate complex, (DepNacnac)Mg(μ-H)3AlH(NEt3). An X-ray crystallographic analysis has shown the compound to be a contact ion complex, which computational studies have revealed to be the source of the stability of the aluminum(II) dianion.",

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doi = "10.1002/anie.201610601",

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T2 - A Valence Isoelectronic Analogue of Ethane

AU - Bonyhady, Simon J.

AU - Holzmann, Nicole

AU - Frenking, Gernot

AU - Stasch, Andreas

AU - Jones, Cameron

PY - 2017/7/10

Y1 - 2017/7/10

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AB - The first example of a well-defined binary, low-oxidation-state aluminum hydride species that is stable at ambient temperature, namely the dianion in [{(DepNacnac)Mg}2(μ-H)]2[H3Al-AlH3] (DepNacnac=[(DepNCMe)2CH]−, Dep=2,6-diethylphenyl), has been prepared via a magnesium(I) reduction of the alanate complex, (DepNacnac)Mg(μ-H)3AlH(NEt3). An X-ray crystallographic analysis has shown the compound to be a contact ion complex, which computational studies have revealed to be the source of the stability of the aluminum(II) dianion.

KW - DFT calculations

KW - dialanate

KW - hydride

KW - magnesium(I)

KW - metal–metal bonding

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EP - 8531

JO - Angewandte Chemie - International Edition

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ER -

Synthesis, Characterization, and Computational Analysis of the Dialanate Dianion, [H₃Al-AlH₃]²⁻: A Valence Isoelectronic Analogue of Ethane

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Keywords

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