Cyclopentadienyliron dicarbonyl iodide

Cyclopentadienyliron dicarbonyl iodide is an organoiron compound with the formula (C5H5)Fe(CO)2I. It is a dark brown solid that is soluble in common organic solvents. (C5H5)Fe(CO)2I, or FpI as it is often known, is an intermediate for the preparation of other organoiron compounds such as in ferraboranes.

Preparation

Cyclopentadienyliron dicarbonyl iodide is synthesized by the reaction of cyclopentadienyliron dicarbonyl dimer with I2:

It was first reported by Paulson and Hallam.

Structure

The compound has Cssymmetry, with a mirror plane intersecting one carbon of the Cp ring as well as the iron and iodide centre. The compound adopts a piano stool structure: the cyclopentadienyl ligand is the "seat" and three other ligands are "legs". Such compounds are members of the half-sandwich family of compounds, which is a subgroup of the metallocenes. X-ray crystallography shows the following features: Fe-Cp centroid = 1.72, Fe-I = 2.61, and Fe-CO = 1.78 Å.

Electron counting of this ferrous complex indicates 6 electrons from the cyclopentadienyl anion, 2 electron from each of the carbonyls, and 2 electrons from the iodide.

FPI

FPI may refer to:

  • International Foundation for Prevention of Injustice (FPI)
  • Family and Parenting Institute
  • Islamic Defender Front (Indonesian: Front Pembela Islam)
  • Ivorian Popular Front, (French: Front populaire ivoirien)
  • Federal Prison Industries, Inc.
  • Fixed point iteration, a numerical root-finding algorithm
  • Food Plants International
  • Force Protection Inc
  • Foreign Policy Initiative, Washington, DC based think tank
  • Foreign Policy Institute, Turkish think tank
  • Foreign portfolio investment, investment outside the economy of the investor
  • Formal Public Identifier
  • Frunze Polytechnic Institute, the former name of Kyrgyz Technical University
  • Fabry–Pérot interferometer, instrument used to measure the wavelength of light
  • Fluorescent penetrant inspection, a process for finding defects in non-porous materials.
  • Freiburger Persönlichkeitsinventar, a psychological personality test like the MMPI.
  • Podcasts:

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    Straight face and some ass
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    Bitch you trying to kiss me on the mouth
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    All white diamonds
    Parked like a lion
    Hoes like horses
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    Car was so long
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    Left in the streets
    Told them to leave it there and watch it
    I'm in this bitch
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    Man I got the kind of funny
    I can buy this bitch
    Got this celebrity cheese
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    Bitch you better believe
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    Young SAV
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    Latest News for: fpi

    Edit

    No need to alter FPI tax laws, says Sebi chief Tuhin Kanta Pandey, bats for policy certainty

    The Times of India 22 Mar 2025
    MUMBAI. Sebi chief Tuhin Kanta Pandey said Saturday there was no need to change taxation laws for foreign portfolio investors as India has delivered double-digit returns in dollar terms and policy certainty is essential ... .
    Edit

    Six entities settle FPI rule violation case with Sebi

    The Times of India 21 Mar 2025
    Six entities, including US-based investment firm Acacia Partners and its affiliates, have ...
    Edit

    FPI selling continues unabated in first half of March; IT stocks most offloaded

    Business Line 20 Mar 2025
    Foreign selling of Indian stocks continued in the first half of March, with information technology and consumer goods accounting for a significant share, amid concerns over the health of the US and Indian economies ... ....
    Edit

    Stocks to Buy | Nilesh Shah decodes FPI selling & market recovery

    The Economic Times 18 Mar 2025
    ... while monitoring FPI trends and macroeconomic factors.
    Edit

    Dalal Street eyes on trade war even as FPI selloff pressure eases

    The Times of India 16 Mar 2025
    However, the intensity of FPI selling is slowing, market players said.In addition, continuous selling of Indian stocks by foreign funds, the dollar-rupee exchange rate, geopolitical developments in ...
    Edit

    FPI debt inflows surge to ₹23,703 cr in March, but trend reversal uncertain

    Business Line 14 Mar 2025
    FPI inflows into debt markets this month have more than doubled from ₹10,517 crore in February and far exceeded January’s ₹571 crore, likely driven by India’s Bloomberg Index inclusion and the RBI’s February rate cut.
    Edit

    FPI outflows persist, but selling pressure eases amid market rebound

    Business Line 09 Mar 2025
    The past week marked the 13th consecutive week of net FPI outflows, even as India’s equity benchmarks recorded their highest weekly gains of 2025.
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