Sr21Bi8Cu2(CO3)2O41, a Bi5+ oxycarbonate with an original 10L structure

Sylvie Malo, Artem M. Abakumov, Marco Daturi, Denis Pelloquin, Gustaaf Van Tendeloo, Anne Guesdon, Maryvonne Hervieu

Research output: Contribution to journalArticlepeer-review

Abstract

The layered structure of Sr21Bi8Cu2(CO3)2O41 (Z = 2) was determined by transmission electron microscopy, infrared spectroscopy, and powder X-ray diffraction refinement in space group P63/mcm (No. 194), with a = 10.0966(3)Å and c = 26.3762(5)Å. This original 10L-type structure is built from two structural blocks, namely, [Sr15Bi6Cu2(CO3)O29] and [Sr6Bi2(CO3)O12]. The Bi5+ cations form [Bi2O10] dimers, whereas the Cu2+ and C atoms occupy infinite tunnels running along. The nature of the different blocks and layers is discussed with regard to the existing hexagonal layered compounds. Sr21Bi8Cu2(CO3)2O41 is insulating and paramagnetic.

Original languageEnglish
Pages (from-to)10266-10275
Number of pages10
JournalInorganic Chemistry
Volume53
Issue number19
DOIs
Publication statusPublished - 6 Oct 2014
Externally publishedYes

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