Dive into the research topics of 'Preparation, crystal structures, and spectroscopic properties of cobalt(III) complexes bearing 2,4-pentanedionate (acac-) and 2-cyanoethylphosphines: Trans-[Co(acac)2{P(CH2CH 2CN)nPh3-n}]BF4 (n = 1-3)'. Together they form a unique fingerprint.