(CH3)4NHgBrI2 - a New Polar Organic-Inorganic Double Halide

(CH3)4NHgBrI2 exhibits at room temperature a polar columnar structure based on edge-sharing anion tetrahedra with a double anion occupancy. Its orthorhombic space group is Pb2//1m. An unusual multiple phase transition sequence revealed by differential scanning calorimetry, dilatometry and permittivity vs. temperature measurements leads to a non-polar high temperature phase with a trigonal mercury coordination and the monoclinic space group P2//1/n.


Published in:
Ferroelectrics, 44, 6, 147-153
Year:
1982
Publisher:
Taylor & Francis
ISSN:
0015-0193
Note:
Arend, H Swiss Fed Inst Technol,Solid State Phys Lab,Ch-8093 Zurich,Switzerland Univ Lausanne,Inst Crystallog,Ch-1015 Lausanne,Switzerland; Pt408; Times Cited:5; Cited References Count:8
Laboratories:




 Record created 2006-08-21, last modified 2018-12-03


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