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[?-Bis(5,7-dimethyl-1,8-naphthyridin-2-yl)diazene]bis-[difluoridoboron(III)].


ABSTRACT: In the title compound, C(20)H(18)B(2)F(4)N(6), the bis-(5,7-dimethyl-1,8-naphthyridin-2-yl)diazene molecule is bis-ected by a symmetry centre midway between the central N atoms of the diazene group. Each of the symmetry-related halves of the molecule binds to a B atom through an N,N'-bite. Two terminal F ions complete the distorted BN(2)F(2) tetra-hedral geometry around each B atom. The BF(2) plane is almost perpendicular to the boron-naphthyridine ring plane, with a dihedral angle of 87.8?(2)°. The main inter-actions in the crystal structure are some C-H?F hydrogen bonds and ?-? contacts between 1,8-naphthyridine rings [centroid-centroid distance = 4.005?(1)?Å].

SUBMITTER: Li XS 

PROVIDER: S-EPMC2969392 | biostudies-other | 2009

REPOSITORIES: biostudies-other

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[μ-Bis(5,7-dimethyl-1,8-naphthyridin-2-yl)diazene]bis-[difluoridoboron(III)].

Li Xin-Sheng XS   Mo Juan J   Yuan Li L   Liu Jian-Hua JH   Zhang Su-Mei SM  

Acta crystallographica. Section E, Structure reports online 20090624 Pt 7


In the title compound, C(20)H(18)B(2)F(4)N(6), the bis-(5,7-dimethyl-1,8-naphthyridin-2-yl)diazene molecule is bis-ected by a symmetry centre midway between the central N atoms of the diazene group. Each of the symmetry-related halves of the molecule binds to a B atom through an N,N'-bite. Two terminal F ions complete the distorted BN(2)F(2) tetra-hedral geometry around each B atom. The BF(2) plane is almost perpendicular to the boron-naphthyridine ring plane, with a dihedral angle of 87.8 (2)°.  ...[more]

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