Citation: Ning GUO, Guang Fu ZENG, Shi Quan XI. RAMAN STUDIES OF STRUCTURAL PHASE TRANSITION IN[n-C₁₁H₂₈NH₈]₂ZnCl₄[J]. Chinese Chemical Letters, ;1993, 4(3): 255-256. shu

RAMAN STUDIES OF STRUCTURAL PHASE TRANSITION IN[n-C₁₁H₂₈NH₈]₂ZnCl₄

Changchun Institute of Applied Chemistry, Academia Sinica. Changchun 130022

Received Date: 13 June 1992

The perovskite type of compound [n-C₁₁H₂₃N₃]₂ZnCl₄(abr.C₁₁Zn)exhibits two solid-solid phase transitions at T_c1=298.7 K and T_c2=360.1 K.A temperature dependence study of Raman spectra of C₁₁Zn provides the evidence of occurence of the structural phase transition related to the dynamics of the alkylammonium ions.The room temperature phase is ordered and contains the all-trans alkyl chains.The intermediate temperature phase presents a partial conformational disorder and liquidlike state of all conformational disorder occurs at high-temperature phase.
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