International
Tables for
Crystallography
Volume B
Reciprocal space
Edited by U. Shmueli

International Tables for Crystallography (2010). Vol. B, ch. 2.3, p. 246   | 1 | 2 |

Figure 2.3.1.2 

L. Tong,c* M. G. Rossmanna and E. Arnoldb

aDepartment of Biological Sciences, Purdue University, West Lafayette, Indiana 47907, USA,bCABM & Rutgers University, 679 Hoes Lane, Piscataway, New Jersey 08854–5638, USA, and cDepartment of Biological Sciences, Columbia University, New York 10027, USA
Correspondence e-mail:  ltong@columbia.edu

[Figure 2.3.1.2]
Figure 2.3.1.2

(c) The point Patterson of the two homometric structures in (a) and (b). The latter are constructed by taking points at a and [{1 \over 2}{\bf M'}], where M′ is a cell diagonal, and adding a third point which is (a) at [{3 \over 4}{\bf M'} + {\bf a}] or (b) at [{1 \over 4}{\bf M'} + {\bf a}]. [Reprinted with permission from Patterson (1944)[link].]