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Complexes of the type trans-[CrCl 2 (RNH 2 ) 4 ]Cl (R = Et, nPr, nBu) are readily formed from [CrCl 3 (thf) 3 ] and four equivalents of the amine in tetrahydrofuran (thf). The structure of trans-[CrCl 2 (cPrNH 2 BF 4 .H 2 O (tricline, P1, α = 5.828(3), b = 10.030(10), c = 10.403(4) A, α = 73.34(6), β = 89.37(3), γ = 87.78(7),...
Activation parameters associated with the Hg 2+ -assisted chloride release reaction in 50:50 dioxane:aqueous HClO 4 (I=0.5 M) from [MCl(RNH 2 ) 5 ] 2+ at 25 °C in the order (k Hg , M −1 s −1 ; ΔH # , kJ mol −1 ; ΔS # , J K −1 mol −1 ) are M=Cr, R=H: 5.45 × 10 −2 , 74.7, −18; M=Cr, R=Me:...
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