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Chemical compound From Wikipedia, the free encyclopedia
Dichlorotetrakis(pyridine)iron(II) is the coordination complex with the formula FeCl2(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 complex has a high spin configuration. A monohydrate as well as several related complexes are known, e.g. CoCl2(pyridine)4 and NiCl2(pyridine)4.[2] It is prepared by treating ferrous chloride with an excess of pyridine.[3]
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Other names
Tetra(pyridine)iron dichloride | |
Identifiers | |
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3D model (JSmol) |
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ChemSpider | |
PubChem CID |
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Properties | |
C20H20Cl2FeN4 | |
Molar mass | 443.15 g·mol−1 |
Appearance | yellow solid |
Density | 1.351 g/cm3 |
Hazards | |
GHS labelling: | |
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H315, H319, H335 | |
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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