Model of a Solvent‐Shared Ion Pair with NH ⃛C Hydrogen Bonds between Amine and Carbanion—Crystal Structure of [Fluorenyllithium·2 Ethylenediamine] ∞ | Zendy

Buchholz Stefan | Zendy; Harms Klaus | Zendy; Marsch Michael | Zendy; Massa Werner | Zendy; Boche Gernot | Zendy

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Model of a Solvent‐Shared Ion Pair with NH ⃛C Hydrogen Bonds between Amine and Carbanion—Crystal Structure of [Fluorenyllithium·2 Ethylenediamine] ∞

Author(s) -

Buchholz Stefan,

Harms Klaus,

Marsch Michael,

Massa Werner,

Boche Gernot

Publication year - 1989

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.198900721

Subject(s) - carbanion , ethylenediamine , chemistry , hydrogen bond , solvent , molecule , ion , amine gas treating , crystal structure , crystallography , inorganic chemistry , stereochemistry , organic chemistry

Whereas organolithium compounds normally crystallize as contact ion pairs , in [fluorenyllithium·2 ethylenediamine] ∞ the cation and the anion are separated by solvent molecules. Especially noteworthy is the X‐ray crystallographic detection of NH ⃛C hydrogen bonds to a “naked” Carbanion. Since anion and cation interact with the same solvent molecules the solid‐state structure of the title compound can serve as model for a solvent‐shared ion pair.

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