Thanks Bob - I'll certainly change the description. Cheers
Simon PS - I think I used Jmol defaults in generating the gifs - I'll check... Quoting Robert Hanson <[email protected]>: > Fantastic, Simon. This will go a long way to informing people. I would like > to suggest some more explicit explanation in: > > > > *The animations reflect the relationships between the various phases that > constitute the final structure, rather than a realistic disposition of > atoms in 'time and space', i.e. the animation only serves as a > visualization of the phasing correlations in a given unit cell. * > Perhaps: > > It is important to understand that the images below do not illustrate > active vibrations or phonons. Atoms in these crystals are not moving in > concert, or at least not this way. Rather, in these crystals no two unit > cells are identical. As the animation runs, you see all possible versions > of the unit cell displayed in time by passing along the "modulation axis" > which is not shown. At any given frame in the animation you may be looking > at a unit cell that is thousands of unit cells away from the previous > frame. > > One way to conceptualize what you are seeing is that the unit cell is a > four-dimensional object that is being projected into 3D. The value of these > animations is that you use them to quickly see how various atoms modulate > in relation to each other --- some pairs will maintain roughly the same > distances throughout the crystal, while others will be found in different > unit cells with significantly different distances between them. > > In these animations the modulation is amplified by ? times. > > (I think some of those are amplified, right?) > > Bob > ------------------------------------------------------------------------------ Want excitement? Manually upgrade your production database. When you want reliability, choose Perforce Perforce version control. Predictably reliable. http://pubads.g.doubleclick.net/gampad/clk?id=157508191&iu=/4140/ostg.clktrk _______________________________________________ Jmol-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/jmol-users
