A new copper(II) arsenate, Na2Cu3(AsO3OH)4·4H2O containing discrete [Cu3O12]18− units: Synthesis, crystal structure and magnetic properties

Crystal structure of Na2Cu3(AsO3OH)4·4H2O and its nodal representation with black nodes drawn for CuOx (x = 4, 5, 6) polyhedra and white for AsO4 tetrahedra. Magnetization curves and temperature dependent susceptibility are also pictured.327