The synthesis and crystal structures of two cobalt(III) complexes containing the ligand 1,4,8,11-tetraazacyclotetradecane

Alison Funston, W McFadyen, Peter Tregloan

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Abstract

The new cobalt(III) complex [Co(cyclam)(NO3)(2)]NO3.HNO3 (2) has been synthesized. The crystal structure of this complex and the related complex [Co(cyclam)(NH3)(2)]Cl2BF4.2H(2)O (1) have been determined. Crystal data for (1): M 451.04, monoclinic, space group P2(1)/c (No. 14), a 7.3927(10), b 13.3082(7), c 19.524(2) Angstrom, beta 97.625(14)degrees, V 1903.9(3) Angstrom(3), F(000) 936, Z 4, D-c 1.574 g cm(-3), mu 1.225 cm(-1), Mo Kalpha (graphite monochromatized)lambda 0.71073 Angstrom, T 293(1) K. Crystal data for (2): M 571.33, triclinic, space group P (1) over bar (No. 2), a 7.3988(14), b 8.5682(16), c 9.209(3) Angstrom, alpha 89.02(2), beta 76.64(3), gamma82.340(16)degrees, V 562.9(2) Angstrom(3), F(000) 296, Z 1, D-c 1.685 g cm(-3), mu 0.854 cm(-1), Mo Kalpha (graphite monochromatized) lambda 0.71073 Angstrom, T293(1) K. In both complexes the complex crystallizes in the trans-III form with the cobalt in the usual octahedral environment.
Original languageEnglish
Pages (from-to)535 - 538
Number of pages4
JournalAustralian Journal of Chemistry
Volume55
Issue number8
DOIs
Publication statusPublished - 2002
Externally publishedYes

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