 | Acta Crystallographica Section A Acta Crystallographica Section A FOUNDATIONS AND ADVANCES |
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![[Figure 3]](me6346fig3mag.jpg)
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Figure 3
Drawings of the Fm3m, Z = 4/3 structure of [Cd2+]3[Ir(CN)63−]2·12H2O (WUXLAE; Mullica et al., 1996  ). Both metal atoms lie on m3m sites. (a) The major component (occupancy ⅔) can be understood as [Cd2+][Ir(CN)63−]·H2O, charge ⅔(−1). (b) The minor component (occupancy ⅓) can be understood as [Cd(OH2)62+]·4H2O, charge ⅓(+2). There are then ⅔(1) + ⅓(10) = ⅓(12) H2O molecules per Cd2+ ion and 12 for three Cd2+ ions. (c) The chemical units of the two components showing the atomic displacement ellipsoids. The one water molecule in the first component makes no hydrogen bonds; there is a strong hydrogen-bonding network in the second component. The cyanide ligands in the first component bridge the two metal atoms. |
![[Figure 3]](me6346fig3.jpg)
| FOUNDATIONS ADVANCES |
ISSN: 2053-2733
