Figure 1
The phasing tools I3C and B3C. (a) The magic triangle I3C (5-amino-2,4,6-triiodoisophthalic acid) with the equilateral triangle of I atoms (side of 6.0 Å) shown. (b) The MAD triangle B3C (5-amino-2,4,6-tribromoisophthalic acid) with the equilateral triangle of Br atoms (side of 5.65 Å) shown. |