Table A11.5.1.1

Beek, C. G. van; Bolotovsky, R.; Rossmann, M. G.

doi:10.1107/97809553602060000678

International
Tables for
Crystallography
Volume F
Crystallography of biological macromolecules
Edited by M. G. Rossmann and E. Arnold

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International Tables for Crystallography (2006). Vol. F. ch. 11.5, p. 242 | 1 | 2 |

Table A11.5.1.1

C. G. van Beek,^a ^‡ R. Bolotovsky^a ^§ and M. G. Rossmann^a ^*

^a Department of Biological Sciences, Purdue University, West Lafayette, IN 47907-1392, USA
Correspondence e-mail: mgr@indiana.bio.purdue.edu

Table A11.5.1.1 | top | pdf |
Calculation of the degree of penetration of the Ewald sphere , q

The subscripts refer to the angles $[\varphi_{1}]$ and $[\varphi_{2}]$ , designating the beginning and end of the oscillation range, respectively. See Fig. A11.5.1.3 for graphical representations of conditions 1 to 4.

	Almost completely within sphere	Almost completely outside sphere	Full reflection
Entering	Condition 1:	Condition 2:	$[D_{1} \big/\eta_{1} \geq + 1 \hbox{ and } D_{2} \big/ \eta_{2} \leq - 1]$
	$[ - 1 \lt D_{1} \big/ \eta_{1} \lt + 1 \hbox{ and } D_{2} \big/ \eta_{2} \leq - 1]$	$[-1 \lt D_{2} \big/ \eta_{2} \lt + 1 \hbox{ and } D_{1} \big/ \eta_{1} \geq + 1]$
Exiting	Condition 3:	Condition 4:	$[D_{1} \big/\eta_{1} \leq - 1 \hbox{ and } D_{2} \big/ \eta_{2} \geq + 1]$
	$[-1 \lt D_{2} \big/ \eta_{2} \lt + 1 \hbox{ and } D_{1} \big/ \eta_{1} \leq - 1]$	$[-1 \lt D_{1} \big/ \eta_{1} \lt + 1 \hbox{ and } D_{2} \big/ \eta_{2} \geq + 1]$