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. 2013 Feb 26;69(Pt 2):150–162. doi: 10.1107/S205251921300376X

Table 3. Crystal-structure data for takovite- and hydrotalcite-like phases.

In all cases x O2 = Inline graphic and Z = 3; other details are given in the text.

  Ni(OH)2H2O [Ni0.667Al0.333(OH)2](CO3)0.1670.5H2O Mg(OH)2H2O [Mg0.667Al0.333(OH)2](CO3)0.1670.5H2O
  Inline graphic Inline graphic Inline graphic Inline graphic
a () 3.098 3.020 3.133 3.040
c () 24.480 22.785 25.539 22.705
V cell (3) 203.47 179.97 217.10 181.72
z O1 0.3747 0.3766 0.3739 0.3777
z H1 0.4155 0.4205 0.4131 0.4217
V oct (3) 11.214 10.389 11.743 10.750
d(MO) () 2.055 2.003 2.085 2.024
h(oct) () 2.024 1.973 2.074 2.013
h(inter) () 6.136 5.622 6.439 5.555
M r (gmol1) 110.72 101.15 76.335 78.221
D c (gcm3) 2.711 2.800 1.752 2.144
Wt% H2O 32.54 26.72 47.20 34.55