Tetrakis(1,3-diphenylpropane-1,3-dionato)hafnium(IV)
نویسندگان
چکیده
In the title compound, [Hf(C(15)H(11)O(2))(4)], the Hf(IV) atom is coordinated by four 1,3-diphenyl-propane-1,3-dionato ligands with an average Hf-O distance of 2.17 (3) Å and O-Hf-O bite angles varying from 74.5 (1) to 75.02 (9)°. The coordination polyhedron shows a slightly distorted Archimedean square-anti-prismatic geometry. The crystal packing is stabilized by weak C-H⋯O inter-actions.
منابع مشابه
trans-Bis(1,3-diphenylpropane-1,3-dionato)(methanol)oxidovanadium(IV) methanol disolvate
In the title compound, [V(C15H11O2)2O(CH3OH)]·2CH3OH, the V(IV) atom is coordinated by two 1,3-diphenyl-propane-1,3-dionate ligands and an oxide ligand in an axial position. The sixth position is occupied by the O atom of a methanol group bonded trans to the oxide atom. The octa-hedral geometry is significantly distorted, with the V(IV) atom lying 0.330 (3) Å above the equatorial plane formed b...
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The mol-ecule of the title organometallic hafnium(IV) com-pound, [Hf(CH3)3(C13H21)] or [HfMe3(η(5)-C5H3-1,3- (t) Bu2)], adopts the classical three-legged piano-stool geometry for mono-cyclo-penta-dienylhafnium(IV) derivatives with the three methyl groups bonded to the Hf(IV) atom at the legs. The C atoms of the two tert-butyl group bonded to the cyclo-penta-dienyl (Cp) ring are 0.132 (5) and 0....
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The two Sn-O-C-C-C-O chelate rings in the title compound, [Sn(C(15)H(11)O(2))(2)Cl(2)]·0.5C(7)H(8), adopt envelope conformations, with the Sn atom deviating from the least-squares plane passing through the C and O atoms by 0.626 (1) Å in one ring and by 0.690 (1) Å for the other. The two planes are aligned at an angle of 59.6 (1)°. The Cl atoms occupy cis positions in the octa-hedral SnCl(2)O(4...
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The conformation of the title mol-ecule, C(21)H(15)BrN(2)O(2), is stabilized by a weak intra-molecular C-H⋯N hydrogen bond and a strong resonance-assisted N-H⋯O intra-molecular hydrogen bond. In the crystal, the mol-ecules are linked by weak inter-molecular C-H⋯O inter-actions, forming zigzag chains along the b axis.
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