Open AccessB—N bond cleavage by cobalt(II) in acetato(3,5‐diphenylpyrazole)[tris(3,5‐diphenylpyrazolyl)borato]cobalt(II)
Author(s) -
Harding David J.,
Adams Harry,
Tuntulani Thawatchai
Publication year - 2005
Publication title -
acta crystallographica section c
Language(s) - English
Resource type - Journals
eISSN - 1600-5759
pISSN - 0108-2701
DOI - 10.1107/s0108270105014277
Subject(s) - cobalt , chemistry , intramolecular force , denticity , hydrogen bond , ligand (biochemistry) , tris , bond cleavage , pyrazole , medicinal chemistry , cleavage (geology) , stereochemistry , inorganic chemistry , crystallography , molecule , organic chemistry , crystal structure , catalysis , materials science , biochemistry , receptor , fracture (geology) , composite material
The reaction of cobalt(II) acetate with potassium tris(pyrazolyl)borate (KTp Ph2 ) affords the title complex, [Co(Tp Ph2 )(O 2 CMe)(Hpz Ph2 )] (Hpz Ph2 is 3,5‐diphenylpyrazole) or [Co(C 45 H 34 BN 6 )(C 2 H 3 O 2 )(C 15 H 12 N 2 )], as a result of cobalt‐induced B—N bond cleavage of the tris(pyrazolyl)borate ligand. The cobalt complex exhibits a distorted CoN 4 O coordination geometry with a κ 3 ‐coordinated Tp Ph2 ligand and monodentate acetate and pyrazole ligands. In addition, the non‐coordinated acetate O atom is involved in a weak intramolecular hydrogen‐bonding interaction with the pyrrole NH group.