Acta Crystallographica Section E

Structure Reports Online

Volume 69, Part 4 (April 2013)

inorganic compounds

Acta Cryst. (2013). E69, i19    [ doi:10.1107/S1600536813005497 ]

Redetermination of Nd2Ti2O7: a non-centrosymmetric structure with perovskite-type slabs

N. Ishizawa, K. Ninomiya, T. Sakakura and J. Wang

Abstract: Single crystals of dineodymium(III) dititanium(IV) hepta­oxide, Nd2Ti2O7, were synthesized by the flux method and found to belong to the family of compounds with perovskite-type structural motifs. The asymmetric unit contains four Nd, four Ti and 14 O-atom sites. The perovskite-type slabs are stacked parallel to (010) with a thickness corresponding to four corner-sharing TiO6 octa­hedra. The Nd and Ti ions are displaced from the geometrical centres of respective coordin­ation polyhedra so that the net polarization occurs along the c axis. The investigated crystals were all twinned and have a halved monoclinic unit cell in comparison with the first structure determination of this compound [Scheunemann & Müller-Buschbaum (1975). J. Inorg. Nucl. Chem. 37, 2261-2263].

htmldisplay filedownload file

Hyper-Text Markup Language (HTML) file
[ doi:10.1107/S1600536813005497/wm2720sup0.html ]
Supplementary materials


To open or display or play some files, you may need to set your browser up to use the appropriate software. See the full list of file types for an explanation of the different file types and their related mime types and, where available links to sites from where the appropriate software may be obtained.

The download button will force most browsers to prompt for a file name to store the data on your hard disk.

Where possible, images are represented by thumbnails.

 bibliographic record in  format

  Find reference:   Volume   Page   
  Search:     From   to      Advanced search

Copyright © International Union of Crystallography
IUCr Webmaster