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Carbon-oxygen chains

An unshared electron pair of the nitrogen atom in such a molecule is oriented inside the cage formed by three carbon-oxygen chains. A similar picture is observed in cryptands. In their molecules the unshared electron pairs of nitrogen atoms are also oriented inside the heterocyclic skeleton 289-290) jjjg outside orientation of the electron pair of the nitrogen atom in a cryptand [1.1.1.], N(CH2CH20CH2CH2)3N, is realized in a complex with BH3 2 In an ammonium cation of cryptand[H c 1.1.1. ]... [Pg.108]

Figure 10-21. The relationship between the glass transition temperature Tg and the steric hindrance parameter a for carbon-carbon chains (O) carbon-oxygen chains ( ), and carbon-nitrogen chains (0). Figure 10-21. The relationship between the glass transition temperature Tg and the steric hindrance parameter a for carbon-carbon chains (O) carbon-oxygen chains ( ), and carbon-nitrogen chains (0).
See other pages where Carbon-oxygen chains is mentioned: [Pg.446]    [Pg.447]    [Pg.449]    [Pg.451]    [Pg.453]    [Pg.455]    [Pg.457]    [Pg.459]    [Pg.461]    [Pg.463]    [Pg.465]    [Pg.933]    [Pg.934]    [Pg.936]    [Pg.938]    [Pg.940]    [Pg.942]    [Pg.944]    [Pg.946]    [Pg.948]    [Pg.950]    [Pg.952]    [Pg.954]    [Pg.956]    [Pg.958]    [Pg.960]    [Pg.962]    [Pg.964]    [Pg.966]    [Pg.968]    [Pg.970]    [Pg.1228]    [Pg.198]   


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