Titlebook: Electron Deficient Compounds; K. Wade Book 1971 K. Wade 1971 Diboran.aluminium.boron.lithium.metals

RLS898

Yew Meng Lai,Abdul Razak Ahmad,Chang Da Wannd feeble intermolecular forces. Their reactivities have a thermodynamic origin in that these compounds are markedly unstable with respect to replacement of their boron-boron and boron-hydrogen links by bonds to more electronegative elements. Some thermodynamic data bearing on this are in Tables 4-1 and 4-2.

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The general chemistry of the boron hydrides,nd feeble intermolecular forces. Their reactivities have a thermodynamic origin in that these compounds are markedly unstable with respect to replacement of their boron-boron and boron-hydrogen links by bonds to more electronegative elements. Some thermodynamic data bearing on this are in Tables 4-1 and 4-2.

mydriatic

t‘ when they were thought to contain too few valence electrons to hold together. Though they are now recognized as containing the numbers of bonding electrons appropriate for their structures, the term ‘electron deficient‘ is still commonly applied to many substances that contain too few valence ele

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Associated metal hydrides, alkyls, and aryls,of the present chapter to indicate briefly in what types of compound they occur. These types are too numerous to allow also detailed discussion of their reactions, many of which can, however, be inferred by analogy with those of the boron hydrides described in Chapter 4.

玛瑙

Carboranes,ch the organic groups replace terminal hydrogens of the parent boranes. In none of these does the organic group form an electron deficient bridge between two (or more) boron atoms of the type that is common among alkyl derivatives of the neighbouring more electropositive elements beryllium, magnesium, and aluminium.

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TAIN

Book 1971ey were thought to contain too few valence electrons to hold together. Though they are now recognized as containing the numbers of bonding electrons appropriate for their structures, the term ‘electron deficient‘ is still commonly applied to many substances that contain too few valence electrons to

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苦恼

Thoughts on Social Justice and Universitiesch the organic groups replace terminal hydrogens of the parent boranes. In none of these does the organic group form an electron deficient bridge between two (or more) boron atoms of the type that is common among alkyl derivatives of the neighbouring more electropositive elements beryllium, magnesium, and aluminium.

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