Synthesis and crystal structure of [2,7,12-trimethyl-3,7,11,17-tetra-aza-bicyclo-[11.3.1]hepta-deca-1(17),13,15-triene-?(4) N]copper(II) bis-(perchlorate).

Title Synthesis and crystal structure of [2,7,12-trimethyl-3,7,11,17-tetra-aza-bicyclo-[11.3.1]hepta-deca-1(17),13,15-triene-?(4) N]copper(II) bis-(perchlorate).
Authors E.Gabrielle Hilvano; G. Yang; I.A. Emnacen; E.V. Rybak-Akimova; J.B. Billones; M.Constancia Carrillo; B.C. Noll; V.G. Organo
Journal Acta Crystallogr E Crystallogr Commun
DOI 10.1107/S2056989016009701
Abstract

The title copper(II) complex of a pyridine-containing macrocycle (PyMAC), [Cu(C16H28N4)](ClO4)2, has been prepared. The crystal structure reveals the Cu(II) atom to be octahedrally coordinated by a tetradentate aminopyridine macrocyclic ligand surrounding the metal cation in a square-planar geometry. Two weakly bound perchlorate counter-ions occupy the axial sites above and below the macrocyclic plane. The crystal studied was refined as a two-component pseudo-merohedral twin; the refined fractional contribution of the minor component is 38.77?(8).

Citation E.Gabrielle Hilvano; G. Yang; I.A. Emnacen; E.V. Rybak-Akimova; J.B. Billones; M.Constancia Carrillo; B.C. Noll; V.G. Organo.Synthesis and crystal structure of [2,7,12-trimethyl-3,7,11,17-tetra-aza-bicyclo-[11.3.1]hepta-deca-1(17),13,15-triene-?(4) N]copper(II) bis-(perchlorate).. Acta Crystallogr E Crystallogr Commun. 2016;72(Pt 7):100912. doi:10.1107/S2056989016009701

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Copper

See more Copper products. Copper Bohr Model Copper (atomic symbol: Cu, atomic number: 29) is a Block D, Group 11, Period 4 element with an atomic weight of 63.546. The number of electrons in each of copper's shells is 2, 8, 18, 1 and its electron configuration is [Ar]3d10 4s1. The copper atom has a radius of 128 pm and a Van der Waals radius of 186 pm. Copper was first discovered by Early Man prior to 9000 BC. In its elemental form, copper has a reddish-orange metallic and lustrous appearance. Of all pure metals, only silver Elemental Copperhas a higher electrical conductivity. The origin of the word copper comes from the Latin word 'cuprium' which translates as "metal of Cyprus," as the Mediterranean island of Cyprus was known as an ancient source of mined copper..

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