A(2)TiF(5)center dot nH(2)O (A=K, Rb, or Cs; n=0 or 1): Synthesis, structure, characterization, and calculations of three new uni-dimensional titanium fluorides
- Authors
- Jo, Vinna; Lee, Dong Woo; Koo, Hyun-Joo; Ok, Kang Min
- Issue Date
- Apr-2011
- Publisher
- ACADEMIC PRESS INC ELSEVIER SCIENCE
- Keywords
- Synthesis; Titanium fluorides; Uni-dimensional; X-ray diffraction
- Citation
- JOURNAL OF SOLID STATE CHEMISTRY, v.184, no.4, pp 741 - 746
- Pages
- 6
- Journal Title
- JOURNAL OF SOLID STATE CHEMISTRY
- Volume
- 184
- Number
- 4
- Start Page
- 741
- End Page
- 746
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/21634
- DOI
- 10.1016/j.jssc.2011.01.029
- ISSN
- 0022-4596
1095-726X
- Abstract
- Three new uni-dimensional alkali metal titanium fluoride materials, A(2)TiF(5)center dot nH(2)O (A = K, Rb, or Cs; n=0 or 1) have been synthesized by hydrothermal reactions. The structures of A(2)TiF(5)center dot nH(2)O have been determined by single-crystal X-ray diffraction. The Ti4+ cations have been reduced to Ti3+ during the synthesis reactions. All three A(2)TiF(5)center dot nH(2)O materials contain novel 1-D chain structures that are composed of the slightly distorted Ti3+F6 corner-sharing octahedra attributable to the Jahn-Teller distortion. The coordination environment of the alkali metal cations plays an important role to determine the degree of turning in the chain structures. Complete structural analyses, Infrared and UV-vis diffuse reflectance spectra, and thermal analyses are presented, as are electronic structure calculations. (C) 2011 Elsevier Inc. All rights reserved.
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