# Niobium Complexes

**URL:** https://chemdotes.discourse.group/c/transition-metal-complexes/niobium-complexes/19.md

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## [About the Niobium Complexes category](https://chemdotes.discourse.group/t/about-the-niobium-complexes-category/54)

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**Author:** [@bmpuerta](https://chemdotes.discourse.group/u/bmpuerta)\
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## [NbCl3(dimethoxyethane) (110615-13-9)](https://chemdotes.discourse.group/t/nbcl3-dimethoxyethane-110615-13-9/43)

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**Author:** [@bmpuerta](https://chemdotes.discourse.group/u/bmpuerta)\
**Replies:** 0\
**Last updated:** [March 13, 2024, 3:34am UTC](https://chemdotes.discourse.group/t/nbcl3-dimethoxyethane-110615-13-9/43 "2024-03-13T03:34:49Z")

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NbCl3(dme) provides a convenient gateway into niobium(III) complexes. Due to its d2 configuration, it tends to exhibit Lewis basic behavior towards pi-ligands such as olefins. These types of complexes have found use in …

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## [NbCl4(tetrahydrofuran)2 (61247-57-2)](https://chemdotes.discourse.group/t/nbcl4-tetrahydrofuran-2-61247-57-2/44)

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**Author:** [@bmpuerta](https://chemdotes.discourse.group/u/bmpuerta)\
**Replies:** 0\
**Last updated:** [March 13, 2024, 6:47pm UTC](https://chemdotes.discourse.group/t/nbcl4-tetrahydrofuran-2-61247-57-2/44 "2024-03-13T18:47:36Z")

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NbCl4(thf)2 provides a convenient gateway into niobium(IV) complexes due to its easily displaced THF ligands. While the chemistry of these types of complexes is underexplored, Nb(IV) has found use in reductive homocoupli…

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## [NbCl2(pyridine)4 (168701-43-7)](https://chemdotes.discourse.group/t/nbcl2-pyridine-4-168701-43-7/45)

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**Author:** [@bmpuerta](https://chemdotes.discourse.group/u/bmpuerta)\
**Replies:** 0\
**Last updated:** [March 14, 2024, 4:53pm UTC](https://chemdotes.discourse.group/t/nbcl2-pyridine-4-168701-43-7/45 "2024-03-14T16:53:19Z")

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NbCl2(pyridine)4 provides a practical gateway into niobium(II) chemistry, a very rare oxidation state for the element. It can be synthesized via reduction according to the procedure of Cotton and Murillo.\[1\] Procedure: …

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## [Nb(mesitylene)2 (68088-96-0)](https://chemdotes.discourse.group/t/nb-mesitylene-2-68088-96-0/46)

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**Author:** [@bmpuerta](https://chemdotes.discourse.group/u/bmpuerta)\
**Replies:** 0\
**Last updated:** [March 15, 2024, 7:50pm UTC](https://chemdotes.discourse.group/t/nb-mesitylene-2-68088-96-0/46 "2024-03-15T19:50:43Z")

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Nb(mesitylene)2 is a rare instance of niobium(0). This deep red, paramagnetic, 17 valence-electron complex has been used in the materials community as a source of niobium atoms for the synthesis of Nb-chalcogenide solids…