摘要:
The title compound consists of a neutral [Co(C2H)(C3H9P)(4)] unit, with the ligands arranged in a distorted trigonal bipyramidal configuration, retaining threefold axial symmetry. The C=CH ligand occupies an axial position, with a C=L bond length of 1.185 (6) Angstrom. This compound represents the first structurally characterized example of a cobalt(I)-ethynyl complex.