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Using the spin-Hamiltonian formalism the magnetic parameters are introduced through the components of the Lambda-tensor involving only the matrix elements of the angular momentum operator. The energy levels for a variety of spins are generated and the modeling of the magnetization, the magnetic susceptibility and the heat capacity is done. Theoretical formulae necessary in performing the energy level calculations for a multi-term system are prepared with the help of the irreducible tensor operator approach. The goal of the programming lies in the fact that the entire relevant matrix elements (electron repulsion, crystal field, spin-orbit interaction, orbital-Zeeman, and spin-Zeeman operators) are evaluated in the basis set of free-atom terms. The modeling of the zero-field splitting is done at three levels of sophistication. The spin-Hamiltonian formalism offers simple formulae for the magnetic parameters by evaluating the matrix elements of the angular momentum operator in the basis set of the crystal-field terms. The magnetic functions for dn complexes are modeled for a wide range of the crystal-field strengths.

Magnetics. --- Nuclear spin. --- Hamiltonian systems. --- Spin nucléaire --- Systèmes hamiltoniens --- Chemistry. --- Chemistry, inorganic. --- Magnetism. --- Inorganic Chemistry. --- Theoretical and Computational Chemistry. --- Magnetism, Magnetic Materials. --- Magnetism --- Magnetic susceptibility --- Transition metal complexes --- Models, Molecular --- Molecular Structure --- Metals --- Magnetics --- Inorganic Chemicals --- Physics --- Models, Theoretical --- Biochemical Phenomena --- Physicochemical Phenomena --- Chemical Phenomena --- Natural Science Disciplines --- Investigative Techniques --- Phenomena and Processes --- Chemicals and Drugs --- Analytical, Diagnostic and Therapeutic Techniques and Equipment --- Disciplines and Occupations --- Physical & Theoretical Chemistry --- Inorganic Chemistry --- Chemistry --- Physical Sciences & Mathematics --- Magnetic susceptibility. --- Transition metal complexes. --- Investigative Technics --- Investigative Technic --- Investigative Technique --- Technic, Investigative --- Technics, Investigative --- Technique, Investigative --- Techniques, Investigative --- Natural Sciences --- Physical Sciences --- Discipline, Natural Science --- Disciplines, Natural Science --- Natural Science --- Natural Science Discipline --- Physical Science --- Science, Natural --- Science, Physical --- Sciences, Natural --- Sciences, Physical --- Chemical Phenomenon --- Chemical Process --- Physical Chemistry Phenomena --- Physical Chemistry Process --- Physicochemical Phenomenon --- Physicochemical Process --- Chemical Concepts --- Chemical Processes --- Physical Chemistry Concepts --- Physical Chemistry Processes --- Physicochemical Concepts --- Physicochemical Processes --- Chemical Concept --- Chemistry Process, Physical --- Chemistry Processes, Physical --- Concept, Chemical --- Concept, Physical Chemistry --- Concept, Physicochemical --- Concepts, Chemical --- Concepts, Physical Chemistry --- Concepts, Physicochemical --- Phenomena, Chemical --- Phenomena, Physical Chemistry --- Phenomena, Physicochemical --- Phenomenon, Chemical --- Phenomenon, Physicochemical --- Physical Chemistry Concept --- Physicochemical Concept --- Process, Chemical --- Process, Physical Chemistry --- Process, Physicochemical --- Processes, Chemical --- Processes, Physical Chemistry --- Processes, Physicochemical --- Biochemical Concepts --- Biochemical Phenomenon --- Biochemical Process --- Phenomena, Biochemical --- Biochemical Processes --- Biochemical Concept --- Concept, Biochemical --- Concepts, Biochemical --- Phenomenon, Biochemical --- Process, Biochemical --- Processes, Biochemical --- Experimental Model --- Experimental Models --- Mathematical Model --- Model, Experimental --- Models (Theoretical) --- Models, Experimental --- Models, Theoretic --- Theoretical Study --- Mathematical Models --- Model (Theoretical) --- Model, Mathematical --- Model, Theoretical --- Models, Mathematical --- Studies, Theoretical --- Study, Theoretical --- Theoretical Model --- Theoretical Models --- Theoretical Studies --- Physic --- Chemicals, Inorganic --- Magnetic --- Structure, Molecular --- Molecular Structures --- Structures, Molecular --- Molecular Models --- Model, Molecular --- Molecular Model --- Susceptibility, Magnetic --- Inorganic chemistry --- Inorganic chemistry. --- Chemistry, Physical and theoretical. --- Magnetic materials. --- Inorganic compounds --- Mathematical physics --- Electricity --- Physical sciences --- Chemistry, Theoretical --- Physical chemistry --- Theoretical chemistry --- Materials

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Nuclear Magnetic Resonance (NMR) is based on the fact that certain nuclei exhibit a magnetic moment, orient by a magnetic field, and absorb characteristic frequencies in the radiofrequency part of the spectrum. The spectral lines of the nuclei are highly influenced by the chemical environment i.e. the structure and interaction of the molecules. NMR is now the leading technique and a powerful tool for the investigation of the structure and interaction of molecules. The present Landolt-Börnstein volume III/35 "Nuclear Magnetic Resonance (NMR) Data" is therefore of major interest to all scientists and engineers who intend to use NMR to study the structure and the binding of molecules. Volume III/35 "NMR-Data" is divided into several subvolumes and parts. Subvolume III/35A contains the nuclei 11B and 31P, subvolume III/35B contains the nuclei 19F and 15N, subvolume III/35C contains the nucleus 1H, subvolume III/35D contains the nucleus 13C, and subvolume III/35E contains the nucleus 17O. More nuclei will be presented later.

Spectrum analysis. --- Solid state physics.