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Bis(2,6-dihy-droxy-benzoato-?O,O)(nitrato-?O,O')bis-(1,10-phenanthroline-?N,N')gadolinium(III).

ABSTRACT: In the mononuclear title complex, [Gd(C(7)H(5)O(3))(2)(NO(3))(C(12)H(8)N(2))(2)], the Gd atom is in a pseudo-bicapped square-anti-prismatic geometry formed by four N atoms from two chelating 1,10-phenanthroline (phen) ligands and by six O atoms, four from two 2,6-dihy-droxy-benzoate (DHB) ligands and the other two from a nitrate anion. ?-? stacking inter-actions between phen-DHB [centroid-centroid distances = 3.5334?(18) and 3.8414?(16)?Å] and phen-phen [face-to-face separation = 3.4307?(17)?Å] ligands of adjacent complex molecules stabilize the crystal structure. Intra-molecular O-H?O hydrogen bonds are observed in the DHB ligands.

SUBMITTER: Zheng J 

PROVIDER: S-EPMC3011409 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature

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Bis(2,6-dihy-droxy-benzoato-κO,O)(nitrato-κO,O')bis-(1,10-phenanthroline-κN,N')gadolinium(III).

Zheng Junjia J   Jin Hongxiao H   Ge Hongliang H  

Acta crystallographica. Section E, Structure reports online 20101120 Pt 12

In the mononuclear title complex, [Gd(C(7)H(5)O(3))(2)(NO(3))(C(12)H(8)N(2))(2)], the Gd atom is in a pseudo-bicapped square-anti-prismatic geometry formed by four N atoms from two chelating 1,10-phenanthroline (phen) ligands and by six O atoms, four from two 2,6-dihy-droxy-benzoate (DHB) ligands and the other two from a nitrate anion. π-π stacking inter-actions between phen-DHB [centroid-centroid distances = 3.5334 (18) and 3.8414 (16) Å] and phen-phen [face-to-face separation = 3.4307 (17) Å]  ...[more]

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