Title: Copper(II) complexes of pentadentate 17-membered macrocyclic diamidodiamines with N, O or S as additional donors
Authors: Herman, Gerrit G ×
Lippens, Werner
Goeminne A, Andr é M
Steenland, Mathieu
Blaton, Norbert #
Issue Date: Jul-2003
Series Title: Acta crystallographica. Section C, Crystal structure communications vol:59 issue:Pt 7 pages:m294-8
Abstract: The crystal structures of (2,6-dioxo-1,4,7,11,14-pentaazacycloheptadecanato)copper(II) tetrahydrate, [Cu(C(12)H(23)N(5)O(2))].4H(2)O, (I), (3,16-dioxo-1-oxa-4,8,11,15-tetraazacycloheptadecanato)copper(II) pentahydrate, [Cu(C(12)H(22)N(4)O(3))].5H(2)O, (II), and (3,16-dioxo-1-thia-4,8,11,15-tetraazacycloheptadecanato)copper(II) trihydrate, [Cu(C(12)H(22)N(4)O(2)S)].3H(2)O, (III), are reported. The coordination geometry in each case is approximately square pyramidal with two amine groups and two deprotonated amide groups in the basal plane. The apical position is occupied by an amine group, an ether O atom or a thio S atom. Trigonal distortion increases in the sequence S < O < N as apical donor. The relation between the distortion in the basal plane of the complexes and the maxima in their electronic spectra is discussed.
ISSN: 0108-2701
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Biocrystallography
× corresponding author
# (joint) last author

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