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双（二异丙基氨基）氟硼烷的晶体结构

Crystal structure of bis-(diiso-propyl-amino)-fluoro-borane.

作者信息

Lenz Tabea, Hebenbrock Marian

机构信息

University of Münster, Institute of Inorganic and Analytical Chemistry, Corrensstrasse 30, 48149 Münster, Germany.

出版信息

Acta Crystallogr E Crystallogr Commun. 2025 Apr 17;81(Pt 5):401-404. doi: 10.1107/S2056989025003160. eCollection 2025 May 1.

DOI:10.1107/S2056989025003160
PMID:40336895
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12054769/
Abstract

The predominantly planar structure of a fluoro-substituted bis-(di-alkyl-amino)-borane, CHBFN, was obtained from the reaction of boron trifluoride diethyl etherate with lithium diiso-propyl-amide and its structure is presented here. While the B-F bond length is in the typical range of single B-F bonds, the B-N bond length indicates a partial double-bond character. The sterically demanding isopropyl groups on both amides increase the N-B-N angle and enable inter-molecular van der Waals inter-actions.

摘要

一种氟取代的双（二烷基氨基）硼烷（CHBFN）的主要平面结构是由三氟化硼二乙醚与二异丙基氨基锂反应得到的，其结构在此呈现。虽然B-F键长处于单B-F键的典型范围内，但B-N键长表明具有部分双键特征。两个酰胺上空间位阻较大的异丙基增大了N-B-N角，并使得分子间能发生范德华相互作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f576/12054769/6e1af5e0c012/e-81-00401-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f576/12054769/d249b71bcbdc/e-81-00401-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f576/12054769/0570b1d05553/e-81-00401-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f576/12054769/6e1af5e0c012/e-81-00401-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f576/12054769/d249b71bcbdc/e-81-00401-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f576/12054769/0570b1d05553/e-81-00401-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f576/12054769/6e1af5e0c012/e-81-00401-fig3.jpg

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