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Title: Sodalite networks formed by metal squarates
Authors: Neeraj, S
Noy, M L
Rao, C N R
Cheetham, A K
Keywords: Hydrothermal Synthesis
Issue Date: Oct-2002
Publisher: Editions Scientifiques Medicales Elsevier
Citation: Solid State Sciences 4(10), 1231-1236 (2002)
Abstract: Sodalite structures have not hitherto been obtained by rational design based on linking of square building units. We have, for the first time, succeeded in synthesizing sodalite networks by making use of squaric acid as the 4-membered square unit. Cobalt, manganese and zinc squarates with this architecture have been obtained (Crystal data for 1, Co(H2O)2(C4O4): cubic, space group Pn-3n (No. 222), a=16.280(5) Å, α=β=γ=90°, V=4315(2) Å3, Z=48, ρcalc=1.912 mg m−3, R1=0.041 for Mo Kα, λ=0.71073 Å. Crystal data for 2, Mn(H2O)2(C4O4): trigonal, space group R-3 (No. 148), a=b=11.607(5), c=14.66(3) Å, α=β=90°, γ=120°, V=1711(4) Å3, Z=18, ρcalc=1.773 mg m−3, R1=0.029. Crystal data for 3, Zn(H2O)2(C4O4): cubic, space group Pn-3n (No. 222), a=16.256(3) Å, α=β=γ=90°, V=4295.6(15) Å3, Z=48, ρcalc=1.980 mg m−3, final R1=0.033. In the sodalite structures obtained by us, twelve metal(H2O)2O4 units link the squares, instead of oxygen atoms as in the normal aluminosilicate sodalite.
Description: Restricted Access
Other Identifiers: 1293-2558
Appears in Collections:Research Papers (Prof. C.N.R. Rao)

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