X-ray crystal structure of the tetra(tert-butyl)erbate anion and attempts to prepare tetravalent organolanthanide complexes

Wontae Noh; Gregory S. Girolami

doi:10.1016/j.poly.2007.04.006

X-ray crystal structure of the tetra(tert-butyl)erbate anion and attempts to prepare tetravalent organolanthanide complexes

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Abstract

The new [Li(DME)₃⁺] salt of the previously-known tetra(tert-butyl)erbate(III) anion [Er(t-Bu)₄^-] has been prepared and structurally characterized. The erbium(III) center is ligated by four tert-butyl groups in an approximately tetrahedral arrangement. The C-Er-C angles between the tert-butyl groups range from 108.8(3)° to 111.2(3)° and the Er-C distances range from 2.352(6) to 2.395(6) Å. The lithium cation is surrounded by three DME molecules, which form a distorted octahedral coordination sphere. Attempts to oxidize the analogous terbate complex [Li(DME)₃][Tb(t-Bu)₄] and its cerium analog to electrically neutral tetra(alkyl)lanthanide(IV) compounds are described.

Original language	English (US)
Pages (from-to)	3865-3870
Number of pages	6
Journal	Polyhedron
Volume	26
Issue number	14
DOIs	https://doi.org/10.1016/j.poly.2007.04.006
State	Published - Aug 31 2007

Keywords

Crystal structure
Erbium
Lanthanide
Lithium salt
Organoerbium
Organolanthanide
Oxidation
Tetravalent
tert-Butyl

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/j.poly.2007.04.006

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title = "X-ray crystal structure of the tetra(tert-butyl)erbate anion and attempts to prepare tetravalent organolanthanide complexes",

abstract = "The new [Li(DME)3+] salt of the previously-known tetra(tert-butyl)erbate(III) anion [Er(t-Bu)4-] has been prepared and structurally characterized. The erbium(III) center is ligated by four tert-butyl groups in an approximately tetrahedral arrangement. The C-Er-C angles between the tert-butyl groups range from 108.8(3)° to 111.2(3)° and the Er-C distances range from 2.352(6) to 2.395(6) {\AA}. The lithium cation is surrounded by three DME molecules, which form a distorted octahedral coordination sphere. Attempts to oxidize the analogous terbate complex [Li(DME)3][Tb(t-Bu)4] and its cerium analog to electrically neutral tetra(alkyl)lanthanide(IV) compounds are described.",

keywords = "Crystal structure, Erbium, Lanthanide, Lithium salt, Organoerbium, Organolanthanide, Oxidation, Tetravalent, tert-Butyl",

author = "Wontae Noh and Girolami, {Gregory S.}",

note = "Funding Information: We thank the National Science Foundation for support of this research under Grant Nos. DMR03-54060 and DMR04-20768, and Scott R. Wilson and Teresa Prussak-Wieckowska for collecting the X-ray crystallographic data.",

year = "2007",

month = aug,

day = "31",

doi = "10.1016/j.poly.2007.04.006",

language = "English (US)",

volume = "26",

pages = "3865--3870",

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publisher = "Elsevier Ltd",

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T1 - X-ray crystal structure of the tetra(tert-butyl)erbate anion and attempts to prepare tetravalent organolanthanide complexes

AU - Noh, Wontae

AU - Girolami, Gregory S.

N1 - Funding Information: We thank the National Science Foundation for support of this research under Grant Nos. DMR03-54060 and DMR04-20768, and Scott R. Wilson and Teresa Prussak-Wieckowska for collecting the X-ray crystallographic data.

PY - 2007/8/31

Y1 - 2007/8/31

N2 - The new [Li(DME)3+] salt of the previously-known tetra(tert-butyl)erbate(III) anion [Er(t-Bu)4-] has been prepared and structurally characterized. The erbium(III) center is ligated by four tert-butyl groups in an approximately tetrahedral arrangement. The C-Er-C angles between the tert-butyl groups range from 108.8(3)° to 111.2(3)° and the Er-C distances range from 2.352(6) to 2.395(6) Å. The lithium cation is surrounded by three DME molecules, which form a distorted octahedral coordination sphere. Attempts to oxidize the analogous terbate complex [Li(DME)3][Tb(t-Bu)4] and its cerium analog to electrically neutral tetra(alkyl)lanthanide(IV) compounds are described.

AB - The new [Li(DME)3+] salt of the previously-known tetra(tert-butyl)erbate(III) anion [Er(t-Bu)4-] has been prepared and structurally characterized. The erbium(III) center is ligated by four tert-butyl groups in an approximately tetrahedral arrangement. The C-Er-C angles between the tert-butyl groups range from 108.8(3)° to 111.2(3)° and the Er-C distances range from 2.352(6) to 2.395(6) Å. The lithium cation is surrounded by three DME molecules, which form a distorted octahedral coordination sphere. Attempts to oxidize the analogous terbate complex [Li(DME)3][Tb(t-Bu)4] and its cerium analog to electrically neutral tetra(alkyl)lanthanide(IV) compounds are described.

KW - Crystal structure

KW - Erbium

KW - Lanthanide

KW - Lithium salt

KW - Organoerbium

KW - Organolanthanide

KW - Oxidation

KW - Tetravalent

KW - tert-Butyl

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M3 - Article

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SN - 0277-5387

VL - 26

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EP - 3870

JO - Polyhedron

JF - Polyhedron

IS - 14

ER -

X-ray crystal structure of the tetra(tert-butyl)erbate anion and attempts to prepare tetravalent organolanthanide complexes

Abstract

Keywords

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