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Surprising Stability of an Al/P‐Based Frustrated Lewis‐Pair Towards Protolysis: HX Adducts (X = F, Cl) with Intramolecular H···X Hydrogen Bonds
Author(s) -
Uhl Werner,
Appelt Christian,
Lange Merten
Publication year - 2015
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201400527
Subject(s) - intramolecular force , chemistry , hydrogen bond , adduct , lewis acids and bases , frustrated lewis pair , anhydrous , halide , crystallography , ion , medicinal chemistry , stereochemistry , molecule , inorganic chemistry , organic chemistry , catalysis
The Al/P‐based Frustrated Lewis Pair (FLP) Mes 2 P‐C(=CH‐Ph)‐Al(CMe 3 ) 2 ( 1 ) reacted with anhydrous HF and HCl as an ion pair receptor by coordination of the proton to phosphorus and the halide anion to aluminum. Short intramolecular distances and the molecular conformation indicate the presence P–H···X–Al hydrogen bonds (X = F, Cl) and an approach of the phosphorus and halogen atoms with a possible weak P···X interaction.