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Tetrahedral-Network Organo-zincophosphates: Syntheses and Structures of (N2C6H14)·Zn(HPO4)2·H2O, H3N(CH2)3NH3·Zn2(HPO4)3, and (N2C6H14)·Zn3(HPO4)4

✍ Scribed by Alejandra V. Chavez; Tina M. Nenoff; Lakshitha Hannooman; William T.A. Harrison

Publisher
Elsevier Science
Year
1999
Tongue
English
Weight
241 KB
Volume
147
Category
Article
ISSN
0022-4596

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✦ Synopsis

The solution-mediated syntheses and single crystal structures of (N 2 C 6 H 14 ) ' Zn(HPO 4 ) 2 ' H 2 O (I), H 3 N(CH 2 ) 3 NH 3 ' Zn 2 (HPO 4 ) 3 (II), and (N 2 C 6 H 14 ) ' Zn 3 (HPO 4 ) 4 (III) are described. These phases contain vertex-sharing ZnO 4 and HPO 4 tetrahedra, accompanied by doubly protonated organic cations. Despite their formal chemical relationship, as members of the series of t ' Zn n (HPO 4 ) n؉1 (t ‫؍‬ template, n ‫؍‬ 1+3), these phases adopt fundamentally di4erent crystal structures, as one-dimensional, two-dimensional, and three-dimensional ZnO 4 /HPO 4 networks, for I, II, and III, respectively. Similarities and di4erences to some other zinc phosphates are brie6y discussed. Crystal data: (N 2 C 6 H 14 ) ' Zn(HPO 4 ) 2 ' H 2 O, M r ‫؍‬ 389.54, monoclinic, space group P2 1 /n (No. 14), a ‫؍‬ 9.864(4) A s , b ‫؍‬ 8.679(4) A s , c ‫؍‬ 15.780(3) A s , ‫؍‬ 106.86(2)3, V ‫؍‬ 1294.2(8) A s 3 , Z ‫؍‬ 4, R(F) ‫؍‬ 4.58%, R w (F) ‫؍‬ 5.28% [1055 re6ections with I > 3 (I)]. H 3 N(CH 2 ) 3 NH 3 ' Zn 2 (HPO 4 ) 3 , M r ‫؍‬ 494.84, monoclinic, space group P2 1 /c (No. 14), a ‫؍‬ 8.593(2) A s , b ‫؍‬ 9.602(2) A s , c ‫؍‬ 17.001(3) A s , ‫؍‬ 93.571(8)3, V ‫؍‬ 1400.0(5) A s 3 , Z ‫؍‬ 4, R(F) ‫؍‬ 4.09%, R w (F) ‫؍‬ 4.81% [2794 re6ections with I > 3 (I)]. (N 2 C 6 H 14 ) ' Zn 3 (HPO 4 ) 4 , M r ‫؍‬ 694.25, monoclinic, space group P2 1 /n (No. 14), a ‫؍‬ 9.535(2) A s , b ‫؍‬ 23.246(4) A s , c ‫؍‬ 9.587(2) A s , ‫؍‬ 117.74(2)3, V ‫؍‬ 1880.8(8) A s 3 , Z ‫؍‬ 4, R(F) ‫؍‬ 3.23%, R w (F) ‫%98.3؍‬ [4255 re6ections with I > 3 (I)].

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