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2005
Germanium
I 4700
23- 017
SU-16: A Three-Dimensional Open-Framework Borogermanate with a Novel
Zeolite Topology. — Colorless needlelike crystals of [H2dien][(GeO2)4(BO2)2]
(dien: (H2N-CH2-CH2)2NH) are synthesized solvothermally from an aqueous solution
containing GeO2, dien, H3BO3, H2O, and pyridine (autoclave, 165 °C, 8 d, up to 70%
yield). As revealed by single crystal XRD, the compound crystallizes in the monoclinic
space group P21/c. Its structure is very open, containing three-dimensional 8- and
12-ring channels, all intersecting with each other and running along three different
directions. — (LI, Y.; ZOU*, X.; Angew. Chem., Int. Ed. 44 (2005) 13, 2012-2015;
Arrhenius Lab., Stockholm Univ., S-106 91 Stockholm, Swed.; Eng.) —
W. Pewestorf
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