Crystal and Molecular structure of Aspergillin C₉H₁₂O₄ from a Metabolite of Microorganism

The molecular structure of aspergillin C9H12O4 from a microorganism metabolite has been determined by NMR.IR.MS,element;analysis methods and x-ray diffraction method.The molecular weight was 184.21.The crystal was a monoclinic type.The space group was P212121.With the parameters of a=4.422(4),b=14.266(7),c=14.994(6)A,V=943(2)A3A,Z=4,μ=0.96/cm,Dc=1.13 g/cm3,F(000)=400.The final deviate factor was R=O.0491,Rw=0.059.