Synthesis of new azidoalanes with heterocyclic molecular structures

John Kouvetakis; J. McMurran; Cory Steffek; T. L. Groy; John L. Hubbard; L. Torrison

doi:10.1515/MGMC.2001.24.2.77

Synthesis of new azidoalanes with heterocyclic molecular structures

John Kouvetakis, J. McMurran, Cory Steffek, T. L. Groy, John L. Hubbard, L. Torrison

Molecular Sciences, School of (SMS)

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

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Abstract

The synthesis of the tetrameric azidoalanes [(CH₃)ClAlN₃]₄ (1) and [(CH₃)BrAlN₃]₄ (2) with heterocyclic cyclooctane-like structures has been demonstrated. X-ray structural determinations reveal that 1 and 2 consist of Al₄N₄ eight-membered rings in which the Al atoms are bridged by the α nitrogens of the azide groups. [(CH₃)ClAlN₃]₄ (1) crystallizes in the tetragonal space group P2_Ic with a = 11.077(4) , c = 8.662(4) , V = 1062.9(8) and Z = 8. [(CH₃)BrAlN₃]₄ (2) crystallizes in the monoclinic space group P2_I with a = 8.6702(12) b = 11.1311(15) c = 11.7501(16) , α = 90°, β = 97.913(2)°, γ = 90°, V = 1123.23(3) ³ and Z = 8. The reaction of AlH₃•N(CH₃)₃ with HN₃ resulted in formation of an azidoalane with composition close to AlH₂N₃•N(CH₃)₃ (3). This compound is unstable with respect to loss of H₂ and N(CH₃)₃ at room temperature.

Original language	English (US)
Pages (from-to)	77-84
Number of pages	8
Journal	Main Group Metal Chemistry
Volume	24
Issue number	2
DOIs	https://doi.org/10.1515/MGMC.2001.24.2.77
State	Published - 2001

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
Metals and Alloys
Materials Chemistry

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@article{87ff23fe152f46bd8b07c4daf3b80b73,

title = "Synthesis of new azidoalanes with heterocyclic molecular structures",

abstract = "The synthesis of the tetrameric azidoalanes [(CH3)ClAlN3]4 (1) and [(CH3)BrAlN3]4 (2) with heterocyclic cyclooctane-like structures has been demonstrated. X-ray structural determinations reveal that 1 and 2 consist of Al4N4 eight-membered rings in which the Al atoms are bridged by the α nitrogens of the azide groups. [(CH3)ClAlN3]4 (1) crystallizes in the tetragonal space group P2Ic with a = 11.077(4) , c = 8.662(4) , V = 1062.9(8) and Z = 8. [(CH3)BrAlN3]4 (2) crystallizes in the monoclinic space group P2I with a = 8.6702(12) b = 11.1311(15) c = 11.7501(16) , α = 90°, β = 97.913(2)°, γ = 90°, V = 1123.23(3) 3 and Z = 8. The reaction of AlH3•N(CH3)3 with HN3 resulted in formation of an azidoalane with composition close to AlH2N3•N(CH3)3 (3). This compound is unstable with respect to loss of H2 and N(CH3)3 at room temperature.",

author = "John Kouvetakis and J. McMurran and Cory Steffek and Groy, {T. L.} and Hubbard, {John L.} and L. Torrison",

note = "Funding Information: We thank the National Science Foundation (DMR-9902417) and the Army Research Office (ARO) for financial support. We also thank Dr. F. Hollander from the Chemistry Department at the University of California, Berkeley, for his work on solving the crystal structure of [(CH 3)BrAlN3]4 (2)",

year = "2001",

doi = "10.1515/MGMC.2001.24.2.77",

language = "English (US)",

volume = "24",

pages = "77--84",

journal = "Main Group Metal Chemistry",

issn = "0792-1241",

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T1 - Synthesis of new azidoalanes with heterocyclic molecular structures

AU - Kouvetakis, John

AU - McMurran, J.

AU - Steffek, Cory

AU - Groy, T. L.

AU - Hubbard, John L.

AU - Torrison, L.

N1 - Funding Information: We thank the National Science Foundation (DMR-9902417) and the Army Research Office (ARO) for financial support. We also thank Dr. F. Hollander from the Chemistry Department at the University of California, Berkeley, for his work on solving the crystal structure of [(CH 3)BrAlN3]4 (2)

PY - 2001

Y1 - 2001

N2 - The synthesis of the tetrameric azidoalanes [(CH3)ClAlN3]4 (1) and [(CH3)BrAlN3]4 (2) with heterocyclic cyclooctane-like structures has been demonstrated. X-ray structural determinations reveal that 1 and 2 consist of Al4N4 eight-membered rings in which the Al atoms are bridged by the α nitrogens of the azide groups. [(CH3)ClAlN3]4 (1) crystallizes in the tetragonal space group P2Ic with a = 11.077(4) , c = 8.662(4) , V = 1062.9(8) and Z = 8. [(CH3)BrAlN3]4 (2) crystallizes in the monoclinic space group P2I with a = 8.6702(12) b = 11.1311(15) c = 11.7501(16) , α = 90°, β = 97.913(2)°, γ = 90°, V = 1123.23(3) 3 and Z = 8. The reaction of AlH3•N(CH3)3 with HN3 resulted in formation of an azidoalane with composition close to AlH2N3•N(CH3)3 (3). This compound is unstable with respect to loss of H2 and N(CH3)3 at room temperature.

AB - The synthesis of the tetrameric azidoalanes [(CH3)ClAlN3]4 (1) and [(CH3)BrAlN3]4 (2) with heterocyclic cyclooctane-like structures has been demonstrated. X-ray structural determinations reveal that 1 and 2 consist of Al4N4 eight-membered rings in which the Al atoms are bridged by the α nitrogens of the azide groups. [(CH3)ClAlN3]4 (1) crystallizes in the tetragonal space group P2Ic with a = 11.077(4) , c = 8.662(4) , V = 1062.9(8) and Z = 8. [(CH3)BrAlN3]4 (2) crystallizes in the monoclinic space group P2I with a = 8.6702(12) b = 11.1311(15) c = 11.7501(16) , α = 90°, β = 97.913(2)°, γ = 90°, V = 1123.23(3) 3 and Z = 8. The reaction of AlH3•N(CH3)3 with HN3 resulted in formation of an azidoalane with composition close to AlH2N3•N(CH3)3 (3). This compound is unstable with respect to loss of H2 and N(CH3)3 at room temperature.

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JO - Main Group Metal Chemistry

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Synthesis of new azidoalanes with heterocyclic molecular structures

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