A new Mo(IV) complex with the pentadentate (N3O2) Schiff-base ligand: the first non-cyanide pentagonal–bipyramidal paramagnetic 4d complex

V. S. Mironov; T. A. Bazhenova; Yu. V. Manakin; K. A. Lyssenko; A. D. Talantsev; E. B. Yagubskii

doi:10.1039/C7DT02912H

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A new Mo(iv) complex with the pentadentate (N₃O₂) Schiff-base ligand: the first non-cyanide pentagonal–bipyramidal paramagnetic 4d complex†

V. S. Mironov,*^a T. A. Bazhenova,^b Yu. V. Manakin,

*^b K. A. Lyssenko,^c A. D. Talantsev^b and E. B. Yagubskii*^b

Author affiliations

* Corresponding authors

^a Shubnikov Institute of Crystallography of Federal Scientific Research Centre “Crystallography and Photonics” RAS, Moscow, Russia
E-mail: mirsa@list.ru

^b Institute of Problems of Chemical Physics, IPCP RAS, Chernogolovka, Russia
E-mail: george@icp.ac.ru, yagubski@icp.ac.ru

^c A. N. Nesmeyanov Institute of Organoelement Compounds, RAS, Moscow, Russia

Abstract

A heptacoordinate complex [Mo^IV(DAPBH)Cl₂] (H₂DAPBH is 1,1′-(pyridine-2,6-diyl)bis(ethan-1-yl-1-ylidene)dibenzohydrazine) has been synthesized and characterized structurally and magnetically. It exhibits a slightly distorted pentagonal bipyramidal geometry and reveals paramagnetic behaviour resulting from two unpaired electrons (S = 1) with large positive zero-field splitting (D = +50 cm⁻¹) and pronounced temperature-independent paramagnetism.

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Article information

DOI: https://doi.org/10.1039/C7DT02912H
Article type: Communication
Submitted: 07 Aug 2017
Accepted: 14 Sep 2017
First published: 18 Sep 2017

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Dalton Trans., 2017,46, 14083-14087

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A new Mo(IV) complex with the pentadentate (N₃O₂) Schiff-base ligand: the first non-cyanide pentagonal–bipyramidal paramagnetic 4d complex

V. S. Mironov, T. A. Bazhenova, Yu. V. Manakin, K. A. Lyssenko, A. D. Talantsev and E. B. Yagubskii, Dalton Trans., 2017, 46, 14083 DOI: 10.1039/C7DT02912H

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Dalton Transactions