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OCBBCO: A neutral molecule with some boron-boron triple bond character
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Experimental and theoretical evidence is reported of a neutral OCBBCO molecule with some boron-boron triple bond character that was produced and unambiguously characterized by matrix isolation infrared spectroscopy.Abstract:
Molecules that contain boron−boron multiple bonds are extremely rare due to the electron-deficient nature of boron. Here we report experimental and theoretical evidence of a neutral OCBBCO molecule with some boron−boron triple bond character. The molecule was produced and unambiguously characterized by matrix isolation infrared spectroscopy. Quantum chemical calculations indicate that the molecule has a linear singlet ground state with a very short boron−boron bond length.read more
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π-Bonding and the Lone Pair Effect in Multiple Bonds Involving Heavier Main Group Elements: Developments in the New Millennium
Roland Fischer,Philip P. Power +1 more
TL;DR: The key unifying feature of almost all molecules discussed in this review is that they are generally stabilized by the use of bulky substituents which block associative or various decomposition pathways.
Journal ArticleDOI
Ambient-temperature isolation of a compound with a boron-boron triple bond.
TL;DR: Crystallographic and spectroscopic characterization confirm that the synthesis, isolation, and crystallization of a solid, triple-bonded diboryne, with N-heterocyclic carbenes as the terminal substituents, is a halide-free linear system containing a boron-boron triple bond.
Journal ArticleDOI
Additive covalent radii for single-, double-, and triple-bonded molecules and tetrahedrally bonded crystals: a summary.
TL;DR: The recent fits of additive covalent radii R(AB) = r(A) + r(B) for the title systems are reviewed and compared with alternative systems of radii by other authors or with further experimental data.
Journal ArticleDOI
N-Heterocyclic Carbene Adducts of Main Group Elements and Their Use as Ligands in Transition Metal Chemistry.
TL;DR: The availability of a large number of novel NHC adducts has not only produced new varieties of already existing ligand classes but has also allowed establishment of numerous complexes with unusual and often unprecedented element-metal bonds.
Journal ArticleDOI
Unique homonuclear multiple bonding in main group compounds.
TL;DR: The unique structural and bonding motifs of main group compounds containing homonuclear multiple bonds are addressed, with a particular emphasis on both iconic molecules and recent novel discoveries.
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