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Nomenclature for boranes and related species (IUPAC Recommendations 2019)Michael A. Beckett, Bernd Brellochs , Igor T. Chizhevsky , Ture Damhus , Karl-Heinz Hellwich , John D. Kennedy , Risto Laitinen , Warren H. Powell , Daniel Rabinovich , Clara Viñas and Andrey Yerin. A description of the bonding in the larger boranes was formulated by William Lipscomb. >> endobj 20 0 obj /Fm0 88 0 R /T1_1 64 0 R >> /XObject << /Xi1 66 0 R /T1_5 65 0 R /MC1 121 0 R Advanced Structural and Functional Characterization, Crystallography of Magnetic and Electronic Oxides and Surfaces, Physical Chemistry of Surfaces and Interfaces, Multifunctional Thin Films and Complex Structures, Advanced Characterization and Nanostructured Materials, Molecular Nanoscience and Organic Materials (NANOMOL), Nanostructured Materials for Optoelectronics and Energy Harvesting, Smart Molecular Inorganic and Hybrid Materials, Superconducting Materials and Large Scale Nanostructures, First school visit of the ESCOLAB 2018-2019 programme, Barcelona, 20-22 MAY 2019: Pint of Science Festival, science in bars. New developments in the field have been investigated and existing nomenclature systems have been adapted to accommodate these new developments. Boranes ( closo, nido,archano ) & Styx number - YouTube. >> /Rotate 0 /Parent 8 0 R /MC1 151 0 R /Xi20 66 0 R

/T1_6 93 0 R /GS1 60 0 R /Type /Page Le borane (trihydridobore en nomenclature systématique), est une molécule instable et hautement réactive répondant à la formule chimique BH3. /Type /Metadata

/BleedBox [0.0 0.0 595.276 793.701] << ‘hydri-doborates’, ‘oxidoborates’, ‘1,2-dicarbadodecaboranes’) are acceptable. /Trapped /False that have been around for a long time. endobj La longueur de la liaison B – H déterminée expérimentalement est de 119 pm[réf. /F2 42 0 R /BleedBox [0.0 0.0 595.276 793.701] >>

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/Fm0 82 0 R 4 0 obj /GS1 60 0 R /ArtBox [0.0 0.0 595.276 793.701] << endobj /T1_5 63 0 R /T1_1 64 0 R An appraisal of the current IUPAC recommendations for nomenclature of boranes and related systems has been undertaken. 32 0 obj /BleedBox [0.0 0.0 595.276 793.701] /T1_11 164 0 R << /Annots [70 0 R 71 0 R 72 0 R 73 0 R 74 0 R 75 0 R 76 0 R 77 0 R]

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/T1_5 63 0 R 22 0 obj >> /T1_5 65 0 R /GS0 61 0 R /XObject << >> >> >> The principal areas considered are stoichiometric and structural nomenclature (including heteroatom and metal-atom /Contents [83 0 R 84 0 R 85 0 R] /ColorSpace << >> endobj /MediaBox [0.0 0.0 595.276 793.701] >> /Xi18 66 0 R /T1_7 92 0 R /CropBox [0.0 0.0 595.276 793.701] /GS1 60 0 R /BleedBox [0.0 0.0 595.276 793.701] /CropBox [0.0 0.0 595.276 793.701] /Xi14 66 0 R Le borane (trihydridobore en nomenclature systématique), est une molécule instable et hautement réactive répondant à la formule chimique BH 3.. L'espèce moléculaire BH 3 est un acide de Lewis très fort. /T1_5 87 0 R /CropBox [0.0 0.0 595.276 793.701] >> /Fm0 88 0 R Le borane est l'élément le plus simple de la famille des boranes ainsi que le prototype des monoboranes. /Contents [236 0 R 237 0 R 238 0 R]

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/T1_10 156 0 R /T1_9 185 0 R Nomenclature: Boranes are named as follows: a) The Latin prefixes mono, di- -, tri-, etc. /Properties << /T1_6 86 0 R /T1_7 86 0 R /Resources << /Contents [89 0 R 90 0 R 91 0 R] /TrimBox [0.0 0.0 595.276 793.701] /T1_2 62 0 R /ArtBox [0.0 0.0 595.276 793.701]

>> /ArtBox [0.0 0.0 595.276 793.701] /Rotate 0 >> /Rotate 0 /Properties << /MediaBox [0.0 0.0 595.276 793.701] /T1_5 86 0 R The Introduction to the 1990 recommendations held that the area of boron nomenclature is ‘contentious’ and ‘specialized’ and that the relevant Chapter (I-11) “is presented as a survey of nomenclature of simpler boron systems because boranes are much discussed even at relatively elementary levels of chemistry, and because we wish to codify those basic principles which seem firmly established”. 35 0 obj /T1_0 64 0 R >> /MC1 160 0 R /Parent 4 0 R The boron hydrides were first systematically synthesized and characterized during the period 1912 to roughly 1937 by the German chemist Alfred Stock. >> >> /T1_8 212 0 R

/Properties << >> >> /ProcSet [/PDF /Text] /T1_8 221 0 R /CS0 [/Separation /Black /DeviceCMYK 59 0 R] /T1_5 86 0 R They are named by citing the number of boron atoms in the molecule as a numerical prefix to the term borane (except for the prefix mono- which is omitted, BH3 being named borane).

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>> /CS0 [/Separation /Black /DeviceCMYK 59 0 R] The International Union for Pure and Applied Chemistry has defined new recommendations for the nomenclature of boranes and other related species, a field in constant change, in order to include the great diversity of new specialized composites that have … /GS1 60 0 R /TrimBox [0.0 0.0 595.276 793.701] /Properties << /ExtGState << /ExtGState << /Xf1 44 0 R /BleedBox [0.0 0.0 595.276 793.701] /ExtGState <<

9 0 obj Research Triangle Park, NC 27709-3757, USA. /GS0 61 0 R IUPAC | International Union of Pure and Applied Chemistry, Nomenclature for boranes and related species. /Parent 7 0 R 16 0 obj

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26 0 obj /Rotate 0 17 0 obj /T1_0 64 0 R /CropBox [0.0 0.0 595.276 793.701] /Font << /T1_6 101 0 R /Parent 8 0 R /ExtGState << The principal areas considered are stoichiometric and structural nomenclature (including heteroatom and metal-atom subrogation, and substitution of hydrogen), conjoined-cage species, supra-icosahedral systems and sub- icosahedral non-standard structures.

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/T1_3 65 0 R /Fm0 82 0 R /GS1 60 0 R /Type /Page Derivatives of the boranes 4. /T1_2 62 0 R /XObject << endobj You can find out more in our Privacy Policy. >> /CropBox [0.0 0.0 595.276 793.701] endobj Elements of substitutive, additive and replacement nomenclature systems have been integrated into individual names to address contentious problems in boron nomenclature

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<< The purpose of this present document is to examine existing nomenclature recommendations to ensure that they can be clearly interpreted and to introduce new recommendations, incorporating new developments that have occurred in chemistry since these earlier reports. /T1_5 87 0 R /CS0 [/Separation /Black /DeviceCMYK 59 0 R] << endobj >> /Resources << /Type /Page /T1_3 149 0 R >> /TrimBox [0.0 0.0 595.276 793.701] /CropBox [0.0 0.0 595.276 793.701] /MediaBox [0.0 0.0 595.276 793.701] /MediaBox [0.0 0.0 595.276 793.701] /ArtBox [0.0 0.0 595.276 793.701] /T1_6 86 0 R /ArtBox [0.0 0.0 595.276 793.701]

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