A ( μ oxo)( μ CO 3)diiron(Ⅲ) complex of tri(2 pyridylmethyl)amine(TPA), [Fe 2L 2( μ O) ( μ CO 3)] (ClO 4) 2·MeOH·EtOH·H 2O], was synthesized and characterized, where L represents TPA. This complex crystallizes in the monoclinic space group P2 1/c with a =1.181 0(3) nm, b =3.728 1(8) nm, c = 1.377 0(3) nm , β =115.393(3)°, V =5.477(2) nm 3, Z =4. R 1=0.084 9 and wR 2=0.196 2. The UV Vis spectra of this compound show multiply absorption bands in 200-800 nm range, which are similar to that of N - 3 coordinated met hemerythrin. , was synthesized and characterized, where L represents TPA. This complex crystallizes in the monoclinic space group P2 1/c with a =1.181 0(3) nm, b =3.728 1(8) nm, c = 1.377 0(3) nm , β =115.393(3)°, V =5.477(2) nm 3, Z =4. R 1=0.084 9 and wR 2=0.196 2. The UV Vis spectra of this compound show multiply absorption bands in 200-800 nm range, which are similar to that of N - 3 coordinated met hemerythrin.
A tetranuclear Mn(Ⅳ) complex \{\[L\-4Mn\-4O\-6\]\}(ClO\-4)\-4\52H\-2O (L=tacn)was synthesized from Mn(CH\-3COO)\-2\54H\-2O, tacn and NaClO\-4 and characterized by XRD. The compound crystallizes in monoclinic system, space group P2\-1/n , with a =2.133 5(6) nm, b =1.138 7(3) nm, \{ c =\}\{2.178 8(6) nm\}, β =67.40(3)°, V =4.928(2) nm 3 , Z =4, R =0.062 0. Magnetic investigations reveal a weak ferromagnetic property with J =8.8 cm -1 .