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Crystal structure of trans-di-aqua-(3,10-dimethyl-1,3,5,8,10,12-hexa-aza-cyclo-tetra-deca-ne)copper(II) pamoate.


ABSTRACT: The asymmetric unit of the title compound, trans-di-aqua-(3,10-dimethyl-1,3,5,8,10,12-hexa-aza-cyclo-tetra-decane-?4 N 1,N 5,N 8,N 12)copper(II) 4,4'-methyl-ene-bis(3-hy-droxy-naphthalene-2-carboxyl-ate), [Cu(C10H26N6)(H2O)2](C23H14O6) {[Cu(L)(H2O)2](pam), where L = 3,10-dimethyl-1,3,5,8,10,12-hexa-aza-cyclo-tetra-decane and pam = dianion of pamoic acid} consists of two independent halves of the [Cu(L)(H2O)2]2+ cation and one di-carboxyl-ate anion. The CuII atoms, lying on inversion centres, are coordinated by the four secondary N atoms of the macrocyclic ligands and the mutually trans O atoms of the water mol-ecules in a tetra-gonally elongated octa-hedral geometry. The average equatorial Cu-N bond length is significantly shorter than the average axial Cu-O bond length [2.007?(10) and 2.486?(18)?Å, respectively]. The macrocyclic ligand in the complex cations adopts the most energetically stable trans-III conformation. The complex cations and anions are connected via hydrogen-bonding inter-actions between the N-H groups of the macrocycles and the O-H groups of coordinated water mol-ecules as the proton donors and the O atoms of the carboxyl-ate as the proton acceptors into layers lying parallel to the (11) plane.

SUBMITTER: Tsymbal LV 

PROVIDER: S-EPMC6505617 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Crystal structure of <i>trans</i>-di-aqua-(3,10-dimethyl-1,3,5,8,10,12-hexa-aza-cyclo-tetra-deca-ne)copper(II) pamoate.

Tsymbal Liudmyla V LV   Andriichuk Irina L IL   Arion Vladimir B VB   Lampeka Yaroslaw D YD  

Acta crystallographica. Section E, Crystallographic communications 20190402 Pt 5


The asymmetric unit of the title compound, <i>trans</i>-di-aqua-(3,10-dimethyl-1,3,5,8,10,12-hexa-aza-cyclo-tetra-decane-κ<sup>4</sup> <i>N</i> <sup>1</sup>,<i>N</i> <sup>5</sup>,<i>N</i> <sup>8</sup>,<i>N</i> <sup>12</sup>)copper(II) 4,4'-methyl-ene-bis(3-hy-droxy-naphthalene-2-carboxyl-ate), [Cu(C<sub>10</sub>H<sub>26</sub>N<sub>6</sub>)(H<sub>2</sub>O)<sub>2</sub>](C<sub>23</sub>H<sub>14</sub>O<sub>6</sub>) {[Cu(<i>L</i>)(H<sub>2</sub>O)<sub>2</sub>](pam), where <i>L</i> = 3,10-dimethyl-1,3,5  ...[more]

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