Crystalline K2[Pt(CN)4] consists of linear chains of [Pt(CN)4]² square planer complexes stacked perpendicular to the chain axis (considered as z-axis) in an eclipsed conformation. Based on the crystal field theory specify the electron configuration of Pt. Calculate the band dispersion along F-Z direction of the first Brillouin zone for the states around the Fermi level originating from Pt-5d22 and Pt-6pz orbitals. Determine the position of Fermi level for undoped K2[Pt(CN)4] and for K₂[Pt(CN)4] C10.3 formed by intercalation of Cl- between the chains. Use the following parameters: E(5d₂2)= −12 eV, E(6pz)=-5.5 eV t(5d22-5d22)=-1eV, t(6pz-6pz) = 1.2 eV, t(5d22 -6pz) = 0 eV. (t(x-y) parameters refer to transfer intergrals between an orbital x at z=0 and orbital y at z=a, where a is the lattice parameter)
Crystalline K2[Pt(CN)4] consists of linear chains of [Pt(CN)4]² square planer complexes stacked perpendicular to the chain axis (considered as z-axis) in an eclipsed conformation. Based on the crystal field theory specify the electron configuration of Pt. Calculate the band dispersion along F-Z direction of the first Brillouin zone for the states around the Fermi level originating from Pt-5d22 and Pt-6pz orbitals. Determine the position of Fermi level for undoped K2[Pt(CN)4] and for K₂[Pt(CN)4] C10.3 formed by intercalation of Cl- between the chains. Use the following parameters: E(5d₂2)= −12 eV, E(6pz)=-5.5 eV t(5d22-5d22)=-1eV, t(6pz-6pz) = 1.2 eV, t(5d22 -6pz) = 0 eV. (t(x-y) parameters refer to transfer intergrals between an orbital x at z=0 and orbital y at z=a, where a is the lattice parameter)
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds
Section: Chapter Questions
Problem 73QRT
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