Tri-μ-oxido-bis[(5,10,15,20-tetraphenylporphyrinato-κ4N)niobium(V)]

Tri-μ-oxido-bis[(5,10,15,20-tetraphenylporphyrinato-κ4N)niobium(V)]

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In the title dinuclear one eared bridles NbV compound, [Nb2(C44H28N4)2O3], each Nb atom is seven-coordinated with three bridging O atoms and four N atoms from a chelating tetraphenylporphyrinate anion.The Nb—O bond lengths range from 1.757 (6) to 2.

331 (6) Å, and the average FLIR Camera (niobium–pyrrole N atom) distance is 2.239 Å.In the dinuclear molecule, the Nb.

Nb separation is 2.8200 (8) Å, and the dihedral angle between the two porphyrinate mean planes is 5.4 (1)°.

Weak intermolecular C—H.π interactions are present in the crystal structure.