Unusual hydrogen bonds with a hydride atom in boron hydrides acting as proton acceptor. Spectroscopic and theoretical studies

被引：67

作者：

Epstein, LM

Shubina, ES

Bakhmutova, EV

Saitkulova, LN

Bakhmutov, VI

Chistyakov, AL

Stankevich, IV

机构：

[1] Russian Acad Sci, AN Nesmeyanov Organoelement Cpds Inst, Moscow 117813, Russia

[2] Russian Acad Sci, Inst Tech Chem, Perm 614600, Russia

来源：

INORGANIC CHEMISTRY | 1998年 / 37卷 / 12期

关键词：

D O I：

10.1021/ic971461x

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The interaction of different proton donors with ionic (Bu4NBH4) and neutral (BH3NEt3, BH3(OEt)(3)) boron hydrides was studied by IR and NMR spectroscopy in solution (CH2Cl2, C6H14, and C6D12). A close similarity was observed between the spectral and thermodynamic properties of these unusual BH ... HX and those of classical Ii bonds. The typical characteristics of hydrogen bonding, such as linearity of the fragment K ... HX, lengthening of X-H and H-B bonds, and strong electron redistribution, were confirmed by ab initio calculations.

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页码：3013 / 3017

页数：5

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