02582nam 22004815 450 99646681270331620200707005937.03-540-39349-810.1007/3-540-11589-7(CKB)1000000000230194(SSID)ssj0000327071(PQKBManifestationID)12081530(PQKBTitleCode)TC0000327071(PQKBWorkID)10297633(PQKB)11526069(DE-He213)978-3-540-39349-8(PPN)155215639(EXLCZ)99100000000023019420121227d1982 u| 0engurnn|008mamaatxtccrSymmetry of Polycentric Systems[electronic resource] The Polycentric Tensor Algebra for Molecules /by G. Fieck1st ed. 1982.Berlin, Heidelberg :Springer Berlin Heidelberg :Imprint: Springer,1982.1 online resource (VI, 140 p. 2 illus.) Lecture Notes in Physics,0075-8450 ;167Bibliographic Level Mode of Issuance: Monograph3-540-11589-7 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.Lecture Notes in Physics,0075-8450 ;167Physical chemistryPhysical Chemistryhttps://scigraph.springernature.com/ontologies/product-market-codes/C21001Physical chemistry.Physical Chemistry.541Fieck Gauthttp://id.loc.gov/vocabulary/relators/aut46786BOOK996466812703316Symmetry of polycentric systems190910UNISA