Thermal studies of bis(2-aminoethyl)methylamine complexes of nickel(II) in the solid state
作者:Arunendu Mondal、Nirmalendu Ray Chaudhuri
DOI:10.1016/s0040-6031(98)00603-0
日期:1999.2
2 · n H 2 O ( n = 0 when X is Cl − , Br − , NO 3 − , n = 1 when X is CF 3 COO − and n = 3 when X is 0.5SO 4 2− and 0.5SeO 4 2− ) have been synthesized and investigated thermally in the solid state. All the bis, as well as monotriamine complexes possess octahedral geometry. [Nil 2 ](SCN) 2 upon heating undergoes irreversible phase transition (155–180°C; Δ H = 5.6 kJ mol −1 ) yielding an isomeric species
摘要 [NiL 2 ]X 2 · n H 2 O(其中 L 为双(2-氨基乙基)甲胺,当 X 为 Cl - 、Br - 、SCN - 和 CF 3 COO - 时 n = 0,当 X 时 n = 3是 0.5SO 4 2- 和 0.5SeO 4 2- ) 和 NiLX 2 · n H 2 O ( n = 0 当 X 是 Cl - , Br - , NO 3 - , n = 1 当 X 是 CF 3 COO - 和 n = 3 当 X 为 0.5SO 4 2- 和 0.5SeO 4 2- ) 已在固态下合成和热研究。所有双,以及单三胺配合物都具有八面体几何形状。[Nil 2 ](SCN) 2 在加热时经历不可逆相变 (155–180°C; Δ H = 5.6 kJ mol -1 ) 产生异构物种,进一步加热显示可逆相变(182–205°C 加热) , Δ H = 2.8 kJ mol -1 ;