Farhan, ahmed mohammed. 2023. “Calculation of the Electronic Properties Phthalocyanine (H2Pc), Silicon Phthalocyanine (Sipc), Phosphorus Phthalocyanine (PPc) and Energy Gap by the AM1 Method”. AlKadhim Journal for Computer Science 1 (2):71-80. https://doi.org/10.61710/akjs.v1i2.61.