Since Angel has added in coordination numbers, I'll add in Shannon's values (1976) for comparison, which seem to be the source for some of the 77th edn values:
----- Original Message ----- From: Angel Herraez <[EMAIL PROTECTED]> > In case it is of help, I found in our library a 56th edition (1975- > 76) and a 77th edition (1996-97) of the CRC Handbook of Chemistry and > > Physics. Both have tables entitled > "CRYSTAL IONIC RADII OF THE ELEMENTS" (pages F209 to F210 and 12-14 > to 12-15 respectively) > > with these values: > > > > (8 << 4) + (-2 + 4), 1320, // "O-2" > 1.32 (56th) > 1.36 for CN 3 (coordination number, 77th) > 1.40 for CN 6 Shannon (1976): O-2 CN Radius 2 1.35 3 1.36 4 1.38 6 1.40 8 1.42 > > > > (8 << 4) + (-1 + 4), 1760, // "O-1" // WAY too large? > 1.76 (56th) > 1.37 for "OH(-1)", CN 6 (77th) OH-1 2 1.32 3 1.36 4 1.35 6 1.37 (thanks for giving us a clue what O-1 might be) > > > (14 << 4) + (-4 + 4), 2710, // "Si-4" > 2.71 (56th) > no entry (77th) Shannon (1976) no entry > > > (14 << 4) + (-1 + 4), 3840, // "Si-1" // same problem here? > 3.84 (56th) > no entry (77th) Shannon no entry > > > (34 << 4) + (-2 + 4), 1910, // "Se-2" > 1.91 (56th) > 1.98 CN 6 (77th) SE-2 6 1.98 Shannon (1976) > > > > (34 << 4) + (-1 + 4), 2320, // "Se-1" // same problem here? > 2.32 (56th) > no entry (77th) Shannon no entry Although the extraneous values do no harm, and I doubt that they've been invoked for bonding calcns in the history of Jmol, I can see no reason that they shouldn't be purged. --Phil > > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great > prizes > Grand prize is a trip for two to an Open Source event anywhere in the > world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Jmol-users mailing list > Jmol-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jmol-users ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Jmol-users mailing list Jmol-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jmol-users
