Molecular and intracomplex dioxomolybdenum(VI) compounds with o-hydroxyazomethines, derivatives of salicylaldehydes and 2-furfurylamine: Crystal structures of 3-methoxysalicylidene-2-furfurylamine (HL2) and the binuclear complex [{MoO2(L2)(MeOH)}2(μ-O)]

• Published in: Russian journal of inorganic chemistry Vol. 62; no. 2; pp. 175 - 181
• Main Authors: Sergienko, V. S., Abramenko, V. L., Gorbunova, Yu. E., Churakov, A. V.
• Format: Journal Article
• Language: English
• Published: Moscow Pleiades Publishing 01-02-2017; Springer Nature B.V
• Subjects: Chelation; Chemical bonds; Chemistry; Chemistry and Materials Science; Coordination Compounds; Crystal structure; Crystallography; Hydrogen bonds; Inorganic Chemistry; Ligands; Molybdenum oxides; Oxygen atoms; Single crystals
• ISSN: 0036-0236; 1531-8613
• DOI: 10.1134/S0036023617020152

The crystal structures of methoxysalicylidene-2-furfurylamine (HL
2
) and the related binuclear complex [{MoO
2
(L
2
)(MeOH)}
2
(μ-O)] (
I
) have been determined by single-crystal X-ray diffraction. In complex
I
, which lies on a crystallographic twofold axis passing through the bridging oxo ligand O(4), the Mo atom has a distorted octahedral coordination (facial isomer) with two terminal oxygen atoms (O(3), O(6)) and the bridging oxo ligand, the O(7) and N(1) atoms of the bidentate chelating ligand (L
2
)
–
, and the O(5) atom of the monodentate methoxy ligand. In the HL
2
molecule, the intramolecular hydrogen bond O–Н•••N closes the six-membered H-ring HOC
3
N.