financially supported by the National Natural Science Foundation of China(21473048,21246006);the Natural Science Foundation of Hebei Province(B2012205034);the Science Foundation of Hebei Normal University(L2011K04,L2013B07)
The bilayer compounds[n-CnH2n+1N(CH3)3]2Zn Cl4(n=16,18)experience solid-solid phase transition within the temperature range of 310 to 340 K.The low-temperature crystal structures of the pure compounds are characterist...