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[null,"1.","Record Nr.",null,"UNINA9910257428603321"]
[null,null,"Autore",null,"Fieck G"]
[null,null,"Titolo",null,"Symmetry of Polycentric Systems [[electronic resource] ] : The Polycentric Tensor Algebra for Molecules / / by G. Fieck"]
[null,null,"Pubbl/distr/stampa",null,"Berlin, Heidelberg : , : Springer Berlin Heidelberg : , : Imprint : Springer, , 1982"]
[null,null,"ISBN",null,"3-540-39349-8"]
[null,null,"Edizione",null,"[1st ed. 1982.]"]
[null,null,"Descrizione fisica",null,"1 online resource (VI, 140 p. 2 illus.)"]
[null,null,"Collana",null,"Lecture Notes in Physics, , 0075-8450 ; ; 167"]
[null,null,"Disciplina",null,"541"]
[null,null,"Soggetti",null,"Physical chemistry"]
[{"$nulls":4},"Physical Chemistry"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Bibliographic Level Mode of Issuance: Monograph"]
[null,null,"Nota di contenuto",null,"Summary of the Wigner-Racah algebra of non-simply-reducible point groups with non-ambivalent classes -- Representations induced by polyhedral edges -- Bicentric matrices -- The matrix elements of s.-a. molecular orbitals -- Polyhedral coefficients referring to edges -- Triangular coefficients -- Triangular invariants -- Symmetry-adapted geminals and densities -- Pseudo-tetrahedral coefficients -- Two-particle interaction -- Complete bases of irreducible representations -- Transformation properties and structure of the multi-centre integrals -- Multi-centre integrals and molecular symmetry -- Ab initio determination of the polycentric invariants -- Wolfsberg-Helmholtz and Mulliken approximations -- Floating orbitals -- Overlap- and structural matrices, orthonormalization -- Many-electron systems -- Sketch of the VB picture -- Prospect of crystals -- Case study: Tetrahedral structures -- Case study: Matrix elements."]