Can anyone provide the reference, or better yet, a CIF for a tetraphenylammonium salt?

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José A. Fernandes

Hello

At least from the Cambridge database (up until November 2013) there is no data for (NPh4)+ anions. The maximum number of phenyls in the the quaternary N seems to be 2.

Mandeep Singh

may be you should go through our recent paper in Chem. A. Eur. J. in which we have tetraphenylammonium as as counter-cation for our semi-thiobambusuril