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The Energetic Stabilization Caused by a Planar‐Tetracoordinate Carbon Atom: A Dynamic NMR Spectroscopic Study of the Dimetallabicycle [(Cp 2 Zr) 2 (μCCCH 3 )(μH 3 CCCCH 3 )]BPh 4
Author(s) -
Erker Gerhard,
Röttger Dirk
Publication year - 1993
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.199316231
Subject(s) - tetracoordinate , planar , atom (system on chip) , nuclear magnetic resonance spectroscopy , chemistry , carbon fibers , carbon atom , spectroscopy , crystallography , materials science , stereochemistry , organic chemistry , ring (chemistry) , physics , computer graphics (images) , quantum mechanics , composite number , computer science , composite material , embedded system
About 12 kcalmol −1 lower in energy than the dimetallacyclopentene 2 is the isomer 1 with a planar‐tetracoordinate C atom. This value was determined when the automerization reaction of 1 was studied by dynamic NMR spectroscopy.