四氯合锌酸正九烷铵的晶体结构及热化学性质

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合成了四氯合锌酸正九烷铵复合物(C9H19NH3)2ZnCl4(s)(C9Zn(s)),并使用X射线单晶衍射、化学分析以及元素分析确定了其晶体结构和化学组成.利用其晶体学数据推导了C9Zn(s)的晶格能UPOT=952.94 kJ·mol-1.在298.15 KF,利用恒温环境溶解-反应热量计测定了C9Zn(s)在不同质量摩尔浓度下的摩尔溶解焓.在Pitzer电解质溶液理论基础上确定了C9Zn(s)的无限稀释摩尔溶解焓△sH∞m=20.09 kJ·mol-1,以及Pitzer焓参数组合(4β(0)L C9H19NH3,Cl+2β(0)L Zn,Cl+θL C9H19NH3,Zn)和(2β(1)L C9H19NH3,Cl+β(1)L Zn,Cl)的值.
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