名称:
Synthesis and properties of fluorothallium(III) porphyrins. X-ray crystal structure of fluoro-(5,10,15,20-tetraphenylporphyrinato) thallium(III)
摘要:
The action of sodium fluoride on chlorothallium(III) porphyrins, Tl(Por)Cl, produces the corresponding fluoroporphyrins, Tl(Por)F. These complexes were characterized by their H-1-NMR, UV-vis and IR data. The crystal structures of the title compound [Tl(TPP)F] has been determined by X-ray diffraction. It crystallizes in the monoclinic space group P2(1)/n with Z = 4 and lattice dimensions a = 10.118(3), b = 16.236(5), c = 21.189(6) angstrom, beta = 90.86(2)-degrees, V = 3480(2) angstrom 3. C44H28FN4Tl, F(w) = 836.11 g, rho = 1.60 g cm-3, mu = 47.3 cm-1, F(000) = 1640, temperature 23(1)-degrees-C, R(F) = 0.045, Rw(F) = 0.050 for 2135 observed reflections. The thallium-fluorine distance is 2.441(6) angstrom with the thallium atom situated 0.741(1) angstrom above the porphyrin ring.