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  2. Dichlorotetrakis(pyridine)iron(II) - Wikipedia

    en.wikipedia.org/wiki/Dichlorotetrakis(pyridine...

    Dichlorotetrakis(pyridine)iron(II) is the coordination complex with the formula FeCl 2 (pyridine) 4. A yellow solid, it is a prominent example of a transition metal pyridine complex. It is used as an anhydrous precursor to other iron complexes and catalysts. [1] According to X-ray crystallography, the chloride ligands are mutually trans. The ...

  3. Iron(III) chloride - Wikipedia

    en.wikipedia.org/wiki/Iron(III)_chloride

    Iron(III) chloride forms a 1:2 adduct with Lewis bases such as triphenylphosphine oxide; e.g., FeCl 3 (OP(C 6 H 5) 3) 2. The related 1:2 complex FeCl 3 (OEt 2) 2, where Et = C 2 H 5), has been crystallized from ether solution. [14] Iron(III) chloride also reacts with tetraethylammonium chloride to give the yellow salt of the tetrachloroferrate ...

  4. Iron(II) chloride - Wikipedia

    en.wikipedia.org/wiki/Iron(II)_chloride

    Iron(II) chloride, also known as ferrous chloride, is the chemical compound of formula FeCl 2.It is a paramagnetic solid with a high melting point. The compound is white, but typical samples are often off-white.

  5. Ferric - Wikipedia

    en.wikipedia.org/wiki/Ferric

    Potassium ferrioxalate contains the iron(III) complex [Fe(C 2 O 4) 3] 3−. In chemistry, iron(III) or ferric refers to the element iron in its +3 oxidation state. Ferric chloride is an alternative name for iron(III) chloride (FeCl 3). The adjective ferrous is used instead for iron(II) salts, containing the cation Fe 2+.

  6. Iron(tetraphenylporphyrinato) chloride - Wikipedia

    en.wikipedia.org/wiki/Iron(tetraphenylporphyri...

    Iron(tetraporphyrinato) chloride is the coordination complex with the formula Fe(TPP)Cl where TPP is the dianion [C 44 H 28 N 4] 2-. The compound forms blue microcrystals that dissolve in chlorinated solvent to give brown solutions. In terms of structure, the complex is five-coordinate with idealized C 4v point group symmetry. [1]

  7. Category:Chlorides - Wikipedia

    en.wikipedia.org/wiki/Category:Chlorides

    This category is limited to chemical compounds which contain inorganic chlorine in a -1 oxidation state. These may be metal salts containing chloride ion such as sodium chloride , or more covalent chlorides of metals or nonmetals such as titanium(IV) chloride or thionyl chloride .

  8. X-ray crystallography - Wikipedia

    en.wikipedia.org/wiki/X-ray_crystallography

    Anomalous X-ray scattering (MAD or SAD phasing) – the X-ray wavelength may be scanned past an absorption edge [a] of an atom, which changes the scattering in a known way. By recording full sets of reflections at three different wavelengths (far below, far above and in the middle of the absorption edge) one can solve for the substructure of ...

  9. Characteristic X-ray - Wikipedia

    en.wikipedia.org/wiki/Characteristic_X-ray

    Similarly to Lyman-alpha, the K-alpha emission is composed of two spectral lines, K-alpha 1 (Kα 1) and K-alpha 2 (Kα 2). [6] The K-alpha 1 emission is slightly higher in energy (and, thus, has a lower wavelength) than the K-alpha 2 emission. For all elements, the ratio of the intensities of K-alpha 1 and K-alpha 2 is very close to 2:1. [7]

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