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Structure Determination by X-ray Crystallography

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概要 X-ray crystallography provides us with the most accurate picture we can get of atomic and molecular structures in crystals. It provides a hard bedrock of structural results in chemistry and in mineral...ogy. In biology, where the structures are not fully crystalline, it can still provide valuable results and, indeed, the impact here has been revolutionary. It is still an immense field for young workers, and no doubt will provide yet more striking developments of a major character. It does, however, require a wide range of intellectual application, and a considerable ability in many fields. This book will provide much help. It is a very straightforward and thorough guide to every aspect of the subject. The authors are ex perienced both as research workers and as teachers of standing, and this is shown in their clarity of exposition. There are plenty of illustrations and worked examples to aid the student to obtain a real grasp of the subject. The practical side is encouraged by the very clarity of the theory.続きを見る
目次 1 Crystal Geometry.I
2 Crystal Geometry. II
3 Preliminary Examination of Crystals by Optical and X-ray Methods
4 Scattering of X-rays by Crystals
5 Fourier Transform Theory
6 Techniques in X-ray Structure Determination
7 Direct Methods and Refinement
8 Examples of Crystal Structure Determination
A1 Stereoviews and Crystal Models
A1.1 Stereoviews
A1.2 Model of a Tetragonal Crystal
A2 Crystallographic Point-Group Study and Recognition Scheme
A3 Schoenflies' Symmetry Notation
A3.1 Alternating Axis of Symmetry
A3.2 Notation
A4 Generation and Properties of X-rays
A4.1 X-rays and White Radiation
A4.2 Characteristic X-rays
A4.3 Absorption of X-rays
A4.4 Filtered Radiation
A5 Crystal Perfection and Intensity Measurement
A5.1 Crystal Perfection
A5.2 Intensity of Reflected Beam
A5.3 Intensity Measurements on Photographs
A5.4 Data Processing
A5.4.1 Introduction
A5.4.2 Standard Deviation of Intensity
A5.4.3 Absorption Corrections
A5.4.4 Scaling
A5.4.5 Merging Equivalent Reflections
A6 Transformations
A7 Comments on Some Orthorhombic and Monoclinic Space Groups
A7.1 Orthorhombic Space Groups
A7.2 Monoclinic Space Groups
A8 Vector Algebraic Relationships in Reciprocal Space
A8.1 Introduction
A8.2 Reciprocal Lattice
A8.2.1 Interplanar Spacings
A8.2.2 Volume of a Parallelepipedon
A8.2.3 Reciprocity of Unit-Cell Volumes
A8.2.4 Angle between Bravais Lattice Planes
A8.2.5 Reciprocity of F and I Unit Cells
A8.3 X-ray Diffraction and the Reciprocal Lattice
A8.3.1 Bragg's Equation
A8.4 Crystal Setting
A8.4.1 Setting Technique
A9 Intensity Statistics
A9.1 Weighted Reciprocal Lattice
A9.1.1 Laue Symmetry
A9.1.2 Systematic Absences
A9.1.3 Accidental Absences
A9.1.4 Enhanced Averages
A9.1.5 Special Distributions
A10 Enantiomorph Selection
A11 Analytical Geometry of Direction Cosines
A11.1 Direction Cosines of a Line
A11.2 Angle between Two Lines
A12 The Stereographic Projection of a Circle Is a Circle
A13 Setting a Crystal for Precession Photography
A13.1 Setting a Crystal Axis Parallel to the X-ray Beam
A13.2 Setting a Reciprocal Lattice Row Horizontally
A13.3 Screen Setting
A14 Synchrotron Radiation
Solutions.
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登録日 2020.06.27
更新日 2020.06.28