COPPER(II) COMPOUNDS WITH AMINE IMINE LIGANDS - STRUCTURES OF -5,8-DIAZADODECA-4,8-DIENE-2,11-DIAMINE)COPPER(II) PERCHLORATE AND (2,4-DIMETHYL-5,8,11-TRIAZATRIDEC-4-ENE-2 ,13-DIAMINE)COPPER(II) PERCHLORATE
Nf. Curtis et al., COPPER(II) COMPOUNDS WITH AMINE IMINE LIGANDS - STRUCTURES OF -5,8-DIAZADODECA-4,8-DIENE-2,11-DIAMINE)COPPER(II) PERCHLORATE AND (2,4-DIMETHYL-5,8,11-TRIAZATRIDEC-4-ENE-2 ,13-DIAMINE)COPPER(II) PERCHLORATE, Australian Journal of Chemistry, 51(7), 1998, pp. 631-636
-5,8-diazadodeca-4,8-diene-2,11-diamine)copper(II) perchlorate, formed
by reaction of (propane-1,2-diamine) copper(II) perchlorate with 4-am
ino-4-methylpentan-2-one, has the copper(II) ion in tetrahedrally twis
ted [+/-0.23(1) Angstrom] square planar coordination by the tetradenta
te ligand, with a weak axial interaction with a perchlorate ion with C
u-O 2.64(1) Angstrom [C15H32Cl2CuN4O8, M-r 530.89, monoclinic, space g
roup P 2(1)/n, a 9.938(7), b 13.591(7), c 17.149(9) Angstrom, beta 106
.65(5)degrees, Z 4, R-1 0.066 for 1096 reflections]. -5,8,11-triazatri
dec-4-ene-2,13-diamine)copper(II) perchlorate, similarly formed from (
triethylenetetramine) copper(II) perchlorate, has the copper(II) ion i
n square pyramidal coordination by the pentadentate ligand with the te
rminal primary amine group of the triamine residue in the axial site w
ith Cu-N 2.189(5) Angstrom. The basal plane of four nitrogen donor ato
ms is tetrahedrally twisted [+/-0.18(1) Angstrom], with the copper(II)
ion displaced from this plane by 0.27(1) Angstrom [C12H29Cl2CuN5O8, M
-r 505.84, monoclinic, space group P2(1)/c, a, 9.934(2), b, 15.719(3),
c, 13.688(3) Angstrom, beta 107.83(3)degrees, Z 4, R-1 0.044 for 1485
reflections].