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Digitale Medien

X-Ray Crystal Structure of the 2-Phenyladamant-2-yl Cation (1994)

Laube, Thomas ; Hollenstein, Sandro

New York, NY : Wiley-Blackwell

Helvetica Chimica Acta 77 (1994), S. 1773-1780

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Details

ISSN: 0018-019X

Schlagwort(e): Chemistry ; Organic Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: The crystal structure of the Sb2F11 salt of the 2-phenyladamant-2-yl cation, 1 · Sb2F11, was determined at 183 K (P21/c, R1 = 0.0652, σ(C—C) = 0.02 Å), because earlier published results indicated a charge delocalization from the cationic C(2) into the σ framework (C—C hyperconjugation) and a bending of the C(2) bridge. In the structure of 1, a displacement of the C(2) bridge by 7.8(12)° from the symmetrical position and C—C bond-length deviations from expectation values were found which are in agreement with preferential C—C hyperconjugation on one face of C(2). The interactions of 1 with two Sb2F11 counterions nearest to C(2) also indicate different behaviour of the two faces of C(2). The benzylic resonance in 1 is confirmed.

Zusätzliches Material: 5 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/hlca.19940770709

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