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. 2017 Apr 28;73(Pt 5):777-779.
doi: 10.1107/S2056989017006090. eCollection 2017 May 1.

Crystal structure of aqua- trans-bis-(dimethyl sulfoxide-κ O)(pyridine-2,6-di-carboxyl-ato-κ3O2, N, O6)nickel(II)

Chen Liu  1 , Ashley C Felts  2 , Daisuke Takahashi  2 , Wesley S Kinden  1 , Khalil A Abboud  2
Affiliations

Crystal structure of aqua- trans-bis-(dimethyl sulfoxide-κ O)(pyridine-2,6-di-carboxyl-ato-κ3O2, N, O6)nickel(II)

Chen Liu et al. Acta Crystallogr E Crystallogr Commun. .

Abstract

In the title complex, [Ni(C7H3NO4)(C2H6OS)2(H2O)], the NiII cation is situated on a twofold rotation axis and exhibits a distorted octa-hedral NO5 coordination environment defined by a tridentate pyridine-2,6-di-carb-oxy-lic acid dianion (dpa2-), two dimethyl sulfoxide (DMSO) mol-ecules, and a water mol-ecule. In the crystal, the complex mol-ecules are linked by O-H⋯O and C-H⋯O hydrogen bonds into a three-dimensional network whereby DMSO mol-ecules from neighboring complexes overlap to form layers parallel to (001), alternating with layers of NiII-dpa2- moieties. The title complex is isotypic with its cobalt(II) analogue.

Keywords: crystal structure; dimethyl sulfoxide; hydrogen bonding; nickel(II); pyridine-2,6-di­carb­oxy­lic acid dianion.

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Figures

Figure 1
Figure 1
The mol­ecular structure of the title compound, with displacement ellipsoids drawn at the 50% probability level. Unlabeled atoms are related by the symmetry transformation −x, y, formula image − z.
Figure 2
Figure 2
The crystal packing of the title compound, showing hydrogen bonds as dashed lines.
See this image and copyright information in PMC

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