Lanthanide clusters with azide capping ligands

Brian F. Moore; Thomas J. Emge; John G. Brennan

doi:10.1021/ic400359x

Lanthanide clusters with azide capping ligands

Brian F. Moore, Thomas J. Emge, John G. Brennan

School of Arts and Sciences, Chemistry & Chemical Biology

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

9 Scopus citations

Abstract

Weakly binding azide ligands have been used as surface caps in the synthesis of lanthanide oxo and selenido clusters. Addition of NaN₃ and Na₂O to in situ prepared solutions of Ln(SePh)₃ in pyridine results in the formation of (py)₁₈Sm₆Na ₂O₂(N₃)₁₆ or (py) ₁₀Ln₆O₂(N₃)₁₂(SePh) ₂ (Ln = Ho, Er), with the Sm and Er compounds characterized by low temperature single crystal X-ray diffraction. Attempts to prepare chalcogenido derivatives by ligand-based redox reactions using elemental Se were successful in the preparation of (py)₁₀Er₆O₂(SeSe) ₂(N₃)₁₀, a diselenido cluster having crystallographic disorder due to some site sharing of both SeSe and N ₃ ligands. These compounds all detonate when heated.

Original language	English (US)
Pages (from-to)	6021-6027
Number of pages	7
Journal	Inorganic Chemistry
Volume	52
Issue number	10
DOIs	https://doi.org/10.1021/ic400359x
State	Published - May 20 2013

All Science Journal Classification (ASJC) codes

Physical and Theoretical Chemistry
Inorganic Chemistry

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title = "Lanthanide clusters with azide capping ligands",

abstract = "Weakly binding azide ligands have been used as surface caps in the synthesis of lanthanide oxo and selenido clusters. Addition of NaN3 and Na2O to in situ prepared solutions of Ln(SePh)3 in pyridine results in the formation of (py)18Sm6Na 2O2(N3)16 or (py) 10Ln6O2(N3)12(SePh) 2 (Ln = Ho, Er), with the Sm and Er compounds characterized by low temperature single crystal X-ray diffraction. Attempts to prepare chalcogenido derivatives by ligand-based redox reactions using elemental Se were successful in the preparation of (py)10Er6O2(SeSe) 2(N3)10, a diselenido cluster having crystallographic disorder due to some site sharing of both SeSe and N 3 ligands. These compounds all detonate when heated.",

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T1 - Lanthanide clusters with azide capping ligands

AU - Moore, Brian F.

AU - Emge, Thomas J.

AU - Brennan, John G.

PY - 2013/5/20

Y1 - 2013/5/20

N2 - Weakly binding azide ligands have been used as surface caps in the synthesis of lanthanide oxo and selenido clusters. Addition of NaN3 and Na2O to in situ prepared solutions of Ln(SePh)3 in pyridine results in the formation of (py)18Sm6Na 2O2(N3)16 or (py) 10Ln6O2(N3)12(SePh) 2 (Ln = Ho, Er), with the Sm and Er compounds characterized by low temperature single crystal X-ray diffraction. Attempts to prepare chalcogenido derivatives by ligand-based redox reactions using elemental Se were successful in the preparation of (py)10Er6O2(SeSe) 2(N3)10, a diselenido cluster having crystallographic disorder due to some site sharing of both SeSe and N 3 ligands. These compounds all detonate when heated.

AB - Weakly binding azide ligands have been used as surface caps in the synthesis of lanthanide oxo and selenido clusters. Addition of NaN3 and Na2O to in situ prepared solutions of Ln(SePh)3 in pyridine results in the formation of (py)18Sm6Na 2O2(N3)16 or (py) 10Ln6O2(N3)12(SePh) 2 (Ln = Ho, Er), with the Sm and Er compounds characterized by low temperature single crystal X-ray diffraction. Attempts to prepare chalcogenido derivatives by ligand-based redox reactions using elemental Se were successful in the preparation of (py)10Er6O2(SeSe) 2(N3)10, a diselenido cluster having crystallographic disorder due to some site sharing of both SeSe and N 3 ligands. These compounds all detonate when heated.

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Lanthanide clusters with azide capping ligands

Abstract

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