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The X-ray Structures of [Fe(CO)3(η4-6-exo-(PAr3)cyclohepta-2,4-dien-1-one][BF4] (Ar = m-C6H4CH3 or p-C6H4F)

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2024年11月28日

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  • Makenna R. Miller,
  • Ryann A. Carlotz,
  • Jeremiah E. Stevens,
  • Daniel R. Griffith,
  • Chip Nataro

摘要

The structures of [Fe(CO)3(η4-6-exo-(tri-m-tolylphosphine)cyclohepta-2,4-dien-1-one][BF4] [tetragonal, a = 35.6005(7), b = 35.6005(7), c = 10.5456(3), space group I41/a] and [Fe(CO)3(η4-6-exo-(tri-p-fluorophenylphosphine)cyclohepta-2,4-dien-1-one][BF4] [triclinic, a = 9.8852(3), b = 10.0996(4), c = 16.0526(4), α = 99.813(3), β = 94.164(2), g = 102.911(3) space group P-1] have been determined. Both structures contain a disordered CH2Cl2 molecule. The tetrafluoroborate ion in [Fe(CO)3(η4-6-exo-(tri-m-tolylphosphine)cyclohepta-2,4-dien-1-one][BF4] is also disordered. There are no close contacts indicative of hydrogen bonding within either structure, but there is π-π stacking observed for [Fe(CO)3(η4-6-exo-(tri-m-tolylphosphine)cyclohepta-2,4-dien-1-one][BF4].

Graphical Abstract