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Synthesis and molecular structure of (oxalato)(2,4-hexanedionato)boron(III)
Veröffentlicht/Copyright:
25. August 2010
Abstract
The new organoboron compound (oxalato)(2,4-hexanedionato)boron(III), 1, has been synthesized by the reaction of boric acid with 2,4-hexanedione and oxalic acid. Crystals of 1 are trigonal, a = b = 9.008(5), c = 10.824(7) Å, α = β = 90°, γ = 120°, Z = 3, space group P31ϱc = 1.39 g cm−3. The structure was solved by direct methods and was refined by full-matrix least-squares procedures to a R value of 0.054 for 1583 reflections with F > 3 · σ(F) (Rw = 0.048). The structure consists of discrete molecules containing tetrahedrally coordinated boron atoms with average B – O distances of 1.461(6) Å. The acetylacetonato moiety is consistent with the fully delocalized and symmetric description of the (acac) ligand, where acac ≙ [CH3COCHCOC2H5]−.
Published Online: 2010-08-25
Published in Print: 1989
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Artikel in diesem Heft
- Crystal growth, crystal optics, and crystal structure of the phase IV of tertiary-butyl-alcohol
- Structural and chemical varieties of dioptase, Cu6[Si6O18] · 6H2O
- Crystal chemistry of thiourea complexes of lead(II) salts1
- Structure investigation on sodium-nephelines
- Synthesis and molecular structure of (oxalato)(2,4-hexanedionato)boron(III)
- On the possibility to grow thin tin films with unusual tin structures from the vapour
- Crystal structure determination of an addition complex of N-isopropyl-salicylaldimine with zinc iodide and of bis(N-isopropyl-salicylaldiminato) zinc chelate
- Crystal structure of 2-thiouracil
- X-ray structure and circular dichroism of (−)-3-[(o-chlorobenzoyloxy o-chlorophenyl) α-methylene] nopinone
- The crystal structure of (diphenyl) (ethylxanthogenate)iodane, C15H15IOS2
- The crystal structure of monoclinic LiMgBO3
- The crystal structure of Ca11Ga7
- Crystal structure of Hg4As2I3
- Die Kristallstruktur von AlAsO4 bei 20°C, 500°C und 750°C
- The crystal structure of the meteoritic mineral krinovite, NaMg2CrSi3O10
- A uniform description of phenakite type structures as superstructures of β-Si3N4
- Manganese/iron distribution in a strontian piemontite by neutron diffraction
- Pyroelectric, dielectric, piezoelectric, and elastic properties of trigonal guanidinium tetrafluoroborate, C(NH2)3BF4
- Crystal and molecular structure of tetraethyl-ammonium bis (stilbene 1,2-dithiolato) nickelate(III)
