Cp*TaCl2B4H8: Synthesis, crystal structure and spectroscopic characterization of an air-stable, electronically unsaturated, chiral tantalaborane

Simon Aldridge; Hisako Hashimoto; Maoyu Shang; Thomas P. Fehlner

doi:10.1039/a706483g

Cp*TaCl₂B₄H₈: Synthesis, crystal structure and spectroscopic characterization of an air-stable, electronically unsaturated, chiral tantalaborane

Simon Aldridge, Hisako Hashimoto, Maoyu Shang, Thomas P. Fehlner

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

27 Citations (Scopus)

Abstract

Reaction between Cp*TaCl₄ (Cp* = η⁵-C₅H₅) and BH₃·thf at 40 °C yields the pale red electronically unsaturated cluster Cp*TaCl₂B₄H₈ 1 which despite having two electrons fewer than the seven pairs required for the observed square pyramidal geometry is stable in air; viewed as a cluster, 1 is the first example of an unsaturated cluster containing a single metal atom; viewed as a chiral 16-electron organometallic complex it is isoelectronic with Cp(C₂B₉H₁₁)TaCl₂ and Cp[(Me₃Si)₂C₂B₄H ₄]TaCl₂.

Original language	English
Pages (from-to)	207-208
Number of pages	2
Journal	Chemical Communications
Issue number	2
DOIs	https://doi.org/10.1039/a706483g
Publication status	Published - 1998 Jan 21
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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title = "Cp*TaCl2B4H8: Synthesis, crystal structure and spectroscopic characterization of an air-stable, electronically unsaturated, chiral tantalaborane",

abstract = "Reaction between Cp*TaCl4 (Cp* = η5-C5H5) and BH3·thf at 40 °C yields the pale red electronically unsaturated cluster Cp*TaCl2B4H8 1 which despite having two electrons fewer than the seven pairs required for the observed square pyramidal geometry is stable in air; viewed as a cluster, 1 is the first example of an unsaturated cluster containing a single metal atom; viewed as a chiral 16-electron organometallic complex it is isoelectronic with Cp(C2B9H11)TaCl2 and Cp[(Me3Si)2C2B4H 4]TaCl2.",

author = "Simon Aldridge and Hisako Hashimoto and Maoyu Shang and Fehlner, {Thomas P.}",

year = "1998",

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doi = "10.1039/a706483g",

language = "English",

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publisher = "Royal Society of Chemistry",

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T2 - Synthesis, crystal structure and spectroscopic characterization of an air-stable, electronically unsaturated, chiral tantalaborane

AU - Aldridge, Simon

AU - Hashimoto, Hisako

AU - Shang, Maoyu

AU - Fehlner, Thomas P.

PY - 1998/1/21

Y1 - 1998/1/21

N2 - Reaction between Cp*TaCl4 (Cp* = η5-C5H5) and BH3·thf at 40 °C yields the pale red electronically unsaturated cluster Cp*TaCl2B4H8 1 which despite having two electrons fewer than the seven pairs required for the observed square pyramidal geometry is stable in air; viewed as a cluster, 1 is the first example of an unsaturated cluster containing a single metal atom; viewed as a chiral 16-electron organometallic complex it is isoelectronic with Cp(C2B9H11)TaCl2 and Cp[(Me3Si)2C2B4H 4]TaCl2.

AB - Reaction between Cp*TaCl4 (Cp* = η5-C5H5) and BH3·thf at 40 °C yields the pale red electronically unsaturated cluster Cp*TaCl2B4H8 1 which despite having two electrons fewer than the seven pairs required for the observed square pyramidal geometry is stable in air; viewed as a cluster, 1 is the first example of an unsaturated cluster containing a single metal atom; viewed as a chiral 16-electron organometallic complex it is isoelectronic with Cp(C2B9H11)TaCl2 and Cp[(Me3Si)2C2B4H 4]TaCl2.

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Cp*TaCl₂B₄H₈: Synthesis, crystal structure and spectroscopic characterization of an air-stable, electronically unsaturated, chiral tantalaborane

Abstract

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