Some complexes of cobalt(III) with 3,6-diaza-1,9-nonanediamine, an unsymmetrical flexible tetraamine ligand

Quinquedentate co-ordination of amino-substituted tetraazacycloalkanes to cobalt(III). Part 3. Synthesis of an unsymmetric ligand and crystal structure of its cis-chlorocobalt(III) complex

“…3(3) 47.7(4) -3 4 3 3 ) 60.0(4), -57.2(3) -50.9(5), 34. 3(4) 17.0(4), 5.0(4) 138.4(4), 126.8(4) -84.3 5), -164.6(4) 37.4(5), -3 7 3 4 ) -46.0(6), 51.5 (5) -I02.2( 5 ) , -1 7 I .2(4) 32.0(5), -40.9 (5) 79.3(6), -177.5(4)…”

“…group P2,/c, with a = 12.745 (5), b = 11.438 (5), c = 14.414 (8) and fi = 104.80(3)". The pendant primary amine and two adjacent secondary amines necessarily occupy an octahedral face, with the chloro ligand cis to the primary amine, and secondary amines adopt RRSS stereochemistries.…”

“…C , IH27C13CoN,0,, M = 522.6, monoclinic, space group P2,/c (C:,, no. 14), a = 12.745(5), h = 11.438(5), g ( Z = 4), F(OO0) = 1080, pMo = 12.1 cm-'. Specimen: 0.44 x 0.28 x 0.42 mm; A*,,,in,max = 1.24, 1.58.…”