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Dioxido{4,4',6,6'-tetrabromo-2,2'-[2,2-dimethylpropane-1,3-diylbis(nitrilomethanylylidene)]diphenolato}molyb-denum(VI).


ABSTRACT: The asymmetric unit of the title compound, [Mo(C(19)H(16)Br(4)N(2)O(2))O(2)], comprises two mol-ecules. The coordination environments around the Mo(VI) atoms are distorted octa-hedral, defined by two oxide ligands and an N(2)O(2) donor set of the tetra-dentate Schiff base in each mol-ecule. The dihedral angles between the benzene rings in the mol-ecules are 76.2?(3) and 77.7?(3)°. An inter-esting feature of the crystal structure is the presence of Br?Br contacts [3.4407?(11), 3.5430?(11) and 3.6492?(10)?Å], which are shorter than the sum of the van der Waals radius of Br atoms (3.70?Å). The crystal structure is further stabilized by inter-molcular C-H?Br and C-H?? inter-actions. The crystal under investigation was twinned by nonmerohedry in a 0.053?(1):0.947?(1) ratio.

SUBMITTER: Kargar H 

PROVIDER: S-EPMC3470169 | biostudies-literature | 2012 Oct

REPOSITORIES: biostudies-literature

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Dioxido{4,4',6,6'-tetrabromo-2,2'-[2,2-dimethylpropane-1,3-diylbis(nitrilomethanylylidene)]diphenolato}molyb-denum(VI).

Kargar Hadi H   Tahir Muhammad Nawaz MN  

Acta crystallographica. Section E, Structure reports online 20120926 Pt 10


The asymmetric unit of the title compound, [Mo(C(19)H(16)Br(4)N(2)O(2))O(2)], comprises two mol-ecules. The coordination environments around the Mo(VI) atoms are distorted octa-hedral, defined by two oxide ligands and an N(2)O(2) donor set of the tetra-dentate Schiff base in each mol-ecule. The dihedral angles between the benzene rings in the mol-ecules are 76.2 (3) and 77.7 (3)°. An inter-esting feature of the crystal structure is the presence of Br⋯Br contacts [3.4407 (11), 3.5430 (11) and 3.6  ...[more]

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