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International Tables for Crystallography (2006). Vol. F, ch. 2.1,
pp. 45-63
doi: 10.1107/97809553602060000658 |
Chapter 2.1. Introduction to basic crystallography
Contents
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2.1. Introduction to basic crystallography (pp. 45-63) | html | pdf | chapter contents |
- 2.1.1. Crystals (pp. 45-46) | html | pdf |
- 2.1.2. Symmetry (pp. 46-47) | html | pdf |
- 2.1.3. Point groups and crystal systems (pp. 47-52) | html | pdf |
- 2.1.4. Basic diffraction physics (pp. 52-57) | html | pdf |
- 2.1.4.1. Diffraction by one electron (pp. 52-53) | html | pdf |
- 2.1.4.2. Scattering by a system of two electrons (p. 53) | html | pdf |
- 2.1.4.3. Scattering by atoms (pp. 53-54) | html | pdf |
- 2.1.4.4. Anomalous dispersion (pp. 54-55) | html | pdf |
- 2.1.4.5. Scattering by a crystal (pp. 55-56) | html | pdf |
- 2.1.4.6. The structure factor (pp. 56-57) | html | pdf |
- 2.1.5. Reciprocal space and the Ewald sphere (pp. 57-58) | html | pdf |
- 2.1.6. Mosaicity and integrated reflection intensity (pp. 58-59) | html | pdf |
- 2.1.7. Calculation of electron density (pp. 59-60) | html | pdf |
- 2.1.8. Symmetry in the diffraction pattern (pp. 60-61) | html | pdf |
- 2.1.9. The Patterson function (pp. 61-62) | html | pdf |
- References | html | pdf |
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Figures
- Fig. 2.1.1.1. One unit cell with axes a , b and c (p. 45) | html | pdf |
- Fig. 2.1.1.2. A set of
unit cells (p. 45) | html | pdf |
- Fig. 2.1.1.3. A two-dimensional lattice with
unit cells (p. 46) | html | pdf |
- Fig. 2.1.1.4. Non-centred and centred unit cells (p. 46) | html | pdf |
- Fig. 2.1.3.1. How to construct a stereographic projection (p. 47) | html | pdf |
- Fig. 2.1.3.2. A rhombohedral unit cell (p. 47) | html | pdf |
- Fig. 2.1.3.3. The 14 Bravais lattices (p. 52) | html | pdf |
- Fig. 2.1.4.1. The electric vector of a monochromatic and polarized X-ray beam is in the plane (p. 53) | html | pdf |
- Fig. 2.1.4.2. The black dots are electrons (p. 53) | html | pdf |
- Fig. 2.1.4.3. The direction of the incident wave is indicated by
and that of the scattered wave by
s
(p. 53) | html | pdf |
- Fig. 2.1.4.4. An Argand diagram for the scattering by two electrons (p. 54) | html | pdf |
- Fig. 2.1.4.5. The atomic scattering factor
f
for carbon as a function of
, expressed in units of the scattering by one electron (p. 54) | html | pdf |
- Fig. 2.1.4.6. S is the X-ray source and D is the detector (p. 54) | html | pdf |
- Fig. 2.1.4.7. Schematic picture of the Argand diagram for the scattering by atoms in a plane (p. 55) | html | pdf |
- Fig. 2.1.4.8. The atomic scattering factor as a vector in the Argand diagram (p. 55) | html | pdf |
- Fig. 2.1.4.9. X-ray diffraction by a crystal is, in Bragg's conception, reflection by lattice planes (p. 56) | html | pdf |
- Fig. 2.1.4.10. The Wilson plot for phospholipase A 2 with data to 1.7 Å resolution (p. 57) | html | pdf |
- Fig. 2.1.5.1. A two-dimensional real unit cell is drawn together with its reciprocal unit cell (p. 58) | html | pdf |
- Fig. 2.1.5.2. The circle is, in fact, a sphere with radius
(p. 58) | html | pdf |
- Fig. 2.1.7.1. An Argand diagram for the structure factors of the two members of a Friedel pair (p. 60) | html | pdf |
- Fig. 2.1.9.1. ( a ) A two-dimensional unit cell with two atoms (p. 62) | html | pdf |
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Tables
- Table 2.1.2.1. The most common space groups for protein crystals (p. 46) | html | pdf |
- Table 2.1.3.1. The 11 enantiomorphic point groups (pp. 48-49) | html | pdf |
- Table 2.1.3.2. The 11 point groups with a centre of symmetry (pp. 50-51) | html | pdf |
- Table 2.1.3.3. The icosahedral point group 532 (p. 51) | html | pdf |
- Table 2.1.3.4. The seven crystal systems (p. 52) | html | pdf |
- Table 2.1.4.1. The position of the K α edge of different elements (p. 54) | html | pdf |