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IR Spectroscopic Evidence for the Absence of Structural Hydroxyl Groups in Cloverite
Author(s) -
ThibaultStarzyk Frédéric,
Janin André,
Lavalley JeanClaude
Publication year - 1997
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199709891
Subject(s) - chemistry , molecular sieve , unit (ring theory) , crystallography , stereochemistry , organic chemistry , psychology , catalysis , mathematics education
Little or no Brønsted acidity is exhibited by the large‐pore molecular sieve cloverite according to quantitative IR spectroscopic investigations. Only 3.5% of the expected 192 hydroxyl groups per unit cell suggested by the X‐ray structure are detected.