Acta Crystallographica Section A: Foundations of Crystallography Volume 63, Part 5 (September 2007) Copyright (c) International Union of Crystallography 2007 ----------------------------------------------------------------- [Issue Author Index][Volume Author Index] * obituaries * research papers * short communications * book reviews ----------------------------------------------------------------- obituaries ----------------------------------------------------------------- [Open access] Acta Cryst. (2007). A63, 375-379 [ doi:10.1107/S0108767307039062 ] Durward William John Cruickshank (1924-2007) J. R. Helliwell and S. C. Abrahams Online 17 August 2007 ----------------------------------------------------------------- research papers ----------------------------------------------------------------- Acta Cryst. (2007). A63, 380-386 [ doi:10.1107/S0108767307032187 ] Diffuse scattering from large-angle, thermally induced, orientational disorder in molecular crystals J. Reid, M. Moore and L. MacNay Synopsis: A method is described of including large-angle librations in the scattering calculated from molecular solids. Results are presented for three sample materials. Online 17 August 2007 ----------------------------------------------------------------- Acta Cryst. (2007). A63, 387-390 [ doi:10.1107/S0108767307029169 ] Structural phase and amplitude measurement from distances in convergent-beam electron diffraction patterns P. N. H. Nakashima, A. F. Moodie and J. Etheridge Synopsis: The first direct experimental measurements of structural phase and amplitude in a centrosymmetric crystal from distances in three-beam convergent-beam electron diffraction patterns are presented as a solution to the `phase problem'. Online 17 August 2007 ----------------------------------------------------------------- Acta Cryst. (2007). A63, 391-399 [ doi:10.1107/S0108767307031212 ] Random tilings of compact Euclidean 3-manifolds J. G. Escudero Synopsis: Non-periodic deterministic and random tilings for the ten compact Euclidean 3-manifolds are introduced and their configurational entropies are computed. Online 17 August 2007 ----------------------------------------------------------------- Acta Cryst. (2007). A63, 400-406 [ doi:10.1107/S0108767307036112 ] A charge-flipping algorithm incorporating the tangent formula for solving difficult structures A. A. Coelho Synopsis: An algorithm is described that incorporates the direct-methods tangent formula into the structure solution method of charge flipping and the subsequent avoidance of `uranium atom' solutions. Online 17 August 2007 ----------------------------------------------------------------- Acta Cryst. (2007). A63, 407-411 [ doi:10.1107/S010876730703797X ] Scanning of magnetic space groups and the analysis of non-magnetic domain walls V. Janovec and D. B. Litvin Synopsis: Using scanning of magnetic space groups, the possible displacement of atoms at the center of non-magnetic domain walls is determined. Online 17 August 2007 ----------------------------------------------------------------- Acta Cryst. (2007). A63, 412-417 [ doi:10.1107/S0108767307038081 ] The introduction of structure types into the Inorganic Crystal Structure Database ICSD R. Allmann and R. Hinek Synopsis: The approach used and the progress made in the assignment of structure types to the crystal structures contained in the ICSD database are reported. Online 17 August 2007 ----------------------------------------------------------------- Acta Cryst. (2007). A63, 418-425 [ doi:10.1107/S0108767307038287 ] Three-periodic nets and tilings: natural tilings for nets V. A. Blatov, O. Delgado-Friedrichs, M. O'Keeffe and D. M. Proserpio Synopsis: Rules for determining a unique tiling for a three-periodic net are presented Online 17 August 2007 ----------------------------------------------------------------- Acta Cryst. (2007). A63, 426-436 [ doi:10.1107/S0108767307039116 ] Can the interaction density be measured? The example of the non-standard amino acid sarcosine B. Dittrich and M. A. Spackman Synopsis: Visualizing the crystal-field effect. A combined experimental and theoretical charge-density study on the non-standard amino acid sarcosine. Online 17 August 2007 ----------------------------------------------------------------- short communications ----------------------------------------------------------------- Acta Cryst. (2007). A63, 437-438 [ doi:10.1107/S0108767307032680 ] Idler energy dependence of nonlinear diffraction in X --> X + EUV parametric down-conversion K. Tamasaku and T. Ishikawa Synopsis: The rocking curve of nonlinear X-ray diffraction in X --> X + EUV parametric down-conversion was found to depend strongly on the idler energy. Online 17 August 2007 ----------------------------------------------------------------- book reviews ----------------------------------------------------------------- [Open access] Acta Cryst. (2007). A63, 439-440 [ doi:10.1107/S0108767307019125 ] Personal X-ray reflections Online 17 August 2007 -----------------------------------------------------------------