Sr2CuO2Cl2. Signifies an almost best situation of a 2-D antiferromagnetic CuO2-plane and thus is of specific interest during the context with the origins of large TC superconductivity. We use the single-web-site impurity Anderson design with five Cu 3d orbitals and O 2p valence bands specified by the irreducible representations of https://okada4dsg.com/