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Comment on “Fluorine in Shark Teeth: Its Direct Atomic‐Resolution Imaging and Strengthening Function”
Author(s) -
Karttunen Antti J.,
Kraus Florian
Publication year - 2014
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201402426
Subject(s) - covalent bond , fluorine , quantum chemical , function (biology) , materials science , chemistry , nanotechnology , molecule , metallurgy , biology , organic chemistry , evolutionary biology
No covalency : Based on quantum chemical calculations it is shown that the computational results presented in a recent publication of Wang and co‐workers do not support the claim that CaF bonding in Ca 5 (PO 4 ) 3 F is covalent. Consequently, CaF covalency cannot be held responsible for tooth strengthening or decay.