Synthesis and structures of heterocyclic azidogallanes [(CH3)ClGaN3]4 and [(CH3)BrGaN3]3 en route to [(CH3)HGaN3](x): An inorganic precursor to GaN

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

doi:10.1021/ic000053h

Synthesis and structures of heterocyclic azidogallanes [(CH₃)ClGaN₃]₄ and [(CH₃)BrGaN₃]₃ en route to [(CH₃)HGaN₃](x): An inorganic precursor to GaN

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

Molecular Sciences, School of (SMS)

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Abstract

The synthesis of [(CH₃)ClGaN₃]₄ (1) with a heterocyclic cyclooctane-like structure and [(CH₃)BrGaN₃]₃ (2) with a trimeric structure has been demonstrated. X-ray structural determinations reveal that 1 and 2 consist of Ga₄N₄ eight-membered rings and Ga₃N₃ six-membered rings, respectively, in which the Ga atoms are bridged by the α nitrogens of the azide groups. [(CH₃)ClGaN₃]₄ crystallizes in the tetragonal space group P4̄2₁c with a = 11.017(4) Å, c = 8.699(7) Å, and Z = 8. [(CH₃)BrGaN₃]₃ crystallizes in the triclinic space group P1̄ with a = 8.1080(10) Å, b = 9.9390(13) Å, c = 10.4439(13) Å, α = 86.069(3)°, β = 86.771(3)°, γ = 80.829(2)°, and Z = 6. The reaction of 1 and 2 with LiGaH₄ yields [(CH₃)HGaN₃](x), which is a new low-temperature source of GaN.

Original language	English (US)
Pages (from-to)	3805-3809
Number of pages	5
Journal	Inorganic chemistry
Volume	39
Issue number	17
DOIs	https://doi.org/10.1021/ic000053h
State	Published - Aug 21 2000

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Physical and Theoretical Chemistry
Inorganic Chemistry

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title = "Synthesis and structures of heterocyclic azidogallanes [(CH3)ClGaN3]4 and [(CH3)BrGaN3]3 en route to [(CH3)HGaN3](x): An inorganic precursor to GaN",

abstract = "The synthesis of [(CH3)ClGaN3]4 (1) with a heterocyclic cyclooctane-like structure and [(CH3)BrGaN3]3 (2) with a trimeric structure has been demonstrated. X-ray structural determinations reveal that 1 and 2 consist of Ga4N4 eight-membered rings and Ga3N3 six-membered rings, respectively, in which the Ga atoms are bridged by the α nitrogens of the azide groups. [(CH3)ClGaN3]4 crystallizes in the tetragonal space group P{\=4}21c with a = 11.017(4) {\AA}, c = 8.699(7) {\AA}, and Z = 8. [(CH3)BrGaN3]3 crystallizes in the triclinic space group P{\=1} with a = 8.1080(10) {\AA}, b = 9.9390(13) {\AA}, c = 10.4439(13) {\AA}, α = 86.069(3)°, β = 86.771(3)°, γ = 80.829(2)°, and Z = 6. The reaction of 1 and 2 with LiGaH4 yields [(CH3)HGaN3](x), which is a new low-temperature source of GaN.",

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

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T1 - Synthesis and structures of heterocyclic azidogallanes [(CH3)ClGaN3]4 and [(CH3)BrGaN3]3 en route to [(CH3)HGaN3](x)

T2 - An inorganic precursor to GaN

AU - Kouvetakis, John

AU - McMurran, J.

AU - Steffek, Cory

AU - Groy, T. L.

AU - Hubbard, John L.

PY - 2000/8/21

Y1 - 2000/8/21

N2 - The synthesis of [(CH3)ClGaN3]4 (1) with a heterocyclic cyclooctane-like structure and [(CH3)BrGaN3]3 (2) with a trimeric structure has been demonstrated. X-ray structural determinations reveal that 1 and 2 consist of Ga4N4 eight-membered rings and Ga3N3 six-membered rings, respectively, in which the Ga atoms are bridged by the α nitrogens of the azide groups. [(CH3)ClGaN3]4 crystallizes in the tetragonal space group P4̄21c with a = 11.017(4) Å, c = 8.699(7) Å, and Z = 8. [(CH3)BrGaN3]3 crystallizes in the triclinic space group P1̄ with a = 8.1080(10) Å, b = 9.9390(13) Å, c = 10.4439(13) Å, α = 86.069(3)°, β = 86.771(3)°, γ = 80.829(2)°, and Z = 6. The reaction of 1 and 2 with LiGaH4 yields [(CH3)HGaN3](x), which is a new low-temperature source of GaN.

AB - The synthesis of [(CH3)ClGaN3]4 (1) with a heterocyclic cyclooctane-like structure and [(CH3)BrGaN3]3 (2) with a trimeric structure has been demonstrated. X-ray structural determinations reveal that 1 and 2 consist of Ga4N4 eight-membered rings and Ga3N3 six-membered rings, respectively, in which the Ga atoms are bridged by the α nitrogens of the azide groups. [(CH3)ClGaN3]4 crystallizes in the tetragonal space group P4̄21c with a = 11.017(4) Å, c = 8.699(7) Å, and Z = 8. [(CH3)BrGaN3]3 crystallizes in the triclinic space group P1̄ with a = 8.1080(10) Å, b = 9.9390(13) Å, c = 10.4439(13) Å, α = 86.069(3)°, β = 86.771(3)°, γ = 80.829(2)°, and Z = 6. The reaction of 1 and 2 with LiGaH4 yields [(CH3)HGaN3](x), which is a new low-temperature source of GaN.

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Synthesis and structures of heterocyclic azidogallanes [(CH₃)ClGaN₃]₄ and [(CH₃)BrGaN₃]₃ en route to [(CH₃)HGaN₃](x): An inorganic precursor to GaN

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