Crystals 2012, 2(3), 1146-1154; doi:10.3390/cryst2031146
Short Note

APA2[Zn3(HPO4)4(H2O)2], a Layered Zincophosphate Featuring Template-to-Framework N–H⋯O and “Synergic” Framework-to-Template O–H⋯N Hydrogen Bonds and C–H⋯O Interactions (APA = 2-Amino-1-phenyleneammonium, C6H9N2+)

Joel C. Aughey 1 email, William T. A. Harrison 1,* email and Alexandra M. Z. Slawin 2 email
1 Department of Chemistry, University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, Scotland 2 School of Chemistry, University of St Andrews, St Andrews KY16 9ST, UK
* Author to whom correspondence should be addressed.
Received: 9 May 2012; in revised form: 7 August 2012 / Accepted: 8 August 2012 / Published: 16 August 2012
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Abstract: The crystal structure of APA2[Zn3(HPO4)4(H2O)2] (APA = 2-amino-1-phenylene-ammonium, C6H9N2+) (1), as prepared by a predominantly non-aqueous synthesis, is described and compared to related compounds. 1 is built up from an alternating array of ZnO4 and HPO4 tetrahedra sharing vertices as Zn–O–P bonds to generate infinite anionic sheets. Within these sheets, polyhedral 4-, 6- and 8-rings are apparent. The negative charge of the inorganic layer is balanced by singly-protonated APA template cations and water molecules are also present. The components are linked by Nt–H⋯Of, Of–H⋯Ow, Ow–H⋯Of and Of–H⋯Nt (t = template, f = framework, w = water) hydrogen bonds: the last of these represents an unusual framework-to-template interaction. Weak Ct–H⋯Of links may also play a role in consolidating the structure. Crystal data: 1 (C12H26N4O18P4Zn3), Mr = 834.36, monoclinic, C2/c (No. 15), Z = 4, a = 20.194 (8) Å, b = 8.682 (3) Å, c = 15.123 (6) Å, β = 91.510 (11)°, V = 2650.5 (17) Å3, R(F) = 0.048, wR(F2) = 0.112.
Keywords: layered zincophosphate; template; hydrogen bonds

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MDPI and ACS Style

Aughey, J.C.; Harrison, W.T.A.; Slawin, A.M.Z. APA2[Zn3(HPO4)4(H2O)2], a Layered Zincophosphate Featuring Template-to-Framework N–H⋯O and “Synergic” Framework-to-Template O–H⋯N Hydrogen Bonds and C–H⋯O Interactions (APA = 2-Amino-1-phenyleneammonium, C6H9N2+). Crystals 2012, 2, 1146-1154.

AMA Style

Aughey JC, Harrison WTA, Slawin AMZ. APA2[Zn3(HPO4)4(H2O)2], a Layered Zincophosphate Featuring Template-to-Framework N–H⋯O and “Synergic” Framework-to-Template O–H⋯N Hydrogen Bonds and C–H⋯O Interactions (APA = 2-Amino-1-phenyleneammonium, C6H9N2+). Crystals. 2012; 2(3):1146-1154.

Chicago/Turabian Style

Aughey, Joel C.; Harrison, William T. A.; Slawin, Alexandra M. Z. 2012. "APA2[Zn3(HPO4)4(H2O)2], a Layered Zincophosphate Featuring Template-to-Framework N–H⋯O and “Synergic” Framework-to-Template O–H⋯N Hydrogen Bonds and C–H⋯O Interactions (APA = 2-Amino-1-phenyleneammonium, C6H9N2+)." Crystals 2, no. 3: 1146-1154.

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