Chiral Layered Zincophosphate [<i>d-</i>Co(en)<sub>3</sub>]Zn<sub>3</sub>(H<sub>0.5</sub>PO<sub>4</sub>)<sub>2</sub>(HPO<sub>4</sub>)<sub>2</sub> Assembled about <i>d-</i>Co(en)<sub>3</sub><sup>3+</sup> Complex Cations
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A new chiral layered zincophosphate [d-Co(en)3]Zn3(H0.5PO4)2(HPO4)2, designated ZnPO-CJ16, has been hydrothermally synthesized by using the optically pure chiral metal complex d-Co(en)3I3 as the template. It contains 4.6-net sheets which array in a helical fashion with an ABCDEF stacking sequence along the [001] direction. The chiral d-Co(en)33+ complex cations reside in the interlayer regions. Interestingly, there exist symmetrical O···H···O H-bonds between inorganic sheets, which results in a pseudo-three-dimensional open-framework structure stabilized by strong H-bonds. The crystal data are as follows: ZnPO-CJ16, [d-Co(en)3]Zn3(H0.5PO4)2(HPO4)2; M = 818.26; hexagonal; P6522 (No. 179); a = 8.5832(12) Å; c = 52.610(11) Å; U = 3356.6(9) Å3; T = 293(2) K; Z = 6; R1 = 0.0415 (I > 2σ(I)); wR2 = 0.1383 (all data); Flack parameter, 0.04(4).
