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 Results for DC.creator="I." AND DC.creator="Usón" in section 16.1.10 of volume F
Substructure applications
Sheldrick, G. M., Gilmore, C. J., Hauptman, H. A., Weeks, C. M., Miller, R. and Usón, I.  International Tables for Crystallography (2012). Vol. F, Section 16.1.10.4, p. 425 [ doi:10.1107/97809553602060000850 ]
Substructure applications 16.1.10.4. Substructure applications It has been known for some time that conventional direct methods can be a valuable tool for locating the positions of heavy-atom substructures using isomorphous (Wilson, 1978) and anomalous (Mukherjee et al., 1989) difference structure factors. Experience has shown that successful substructure applications are highly ...

Expansion to P1
Sheldrick, G. M., Gilmore, C. J., Hauptman, H. A., Weeks, C. M., Miller, R. and Usón, I.  International Tables for Crystallography (2012). Vol. F, Section 16.1.10.3, pp. 424-425 [ doi:10.1107/97809553602060000850 ]
Expansion to P1 16.1.10.3. Expansion to P1 The results shown in Table 16.1.1.1 and Fig. 16.1.10.2 indicate that success rates in space group P1 can be anomalously high. This suggests that it might be advantageous to expand all structures to P1 and then to locate the symmetry elements afterwards. However, this ...

Choosing a refinement strategy
Sheldrick, G. M., Gilmore, C. J., Hauptman, H. A., Weeks, C. M., Miller, R. and Usón, I.  International Tables for Crystallography (2012). Vol. F, Section 16.1.10.2, pp. 423-424 [ doi:10.1107/97809553602060000850 ]
... in macromolecular crystal structures. Acta Cryst. A48, 851-858. Karle, I. L., Flippen-Anderson, J. L., Uma, K., Balaram, H. & Balaram ...

Avoiding false minima
Sheldrick, G. M., Gilmore, C. J., Hauptman, H. A., Weeks, C. M., Miller, R. and Usón, I.  International Tables for Crystallography (2012). Vol. F, Section 16.1.10.1, pp. 422-423 [ doi:10.1107/97809553602060000850 ]
Avoiding false minima 16.1.10.1. Avoiding false minima The frequent imposition of real-space constraints appears to keep dual-space methods from producing most of the false minima that plague practitioners of conventional direct methods. Translated molecules have not been observed (so far), and traditionally problematic structures with polycyclic ring systems and ...

Applying dual-space programs successfully
Sheldrick, G. M., Gilmore, C. J., Hauptman, H. A., Weeks, C. M., Miller, R. and Usón, I.  International Tables for Crystallography (2012). Vol. F, Section 16.1.10, pp. 422-425 [ doi:10.1107/97809553602060000850 ]
... in macromolecular crystal structures. Acta Cryst. A48, 851-858. Karle, I. L., Flippen-Anderson, J. L., Uma, K., Balaram, H. & Balaram ...

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