Related literature

The title compound was reacted with MgCl₂ under hydrothermal conditions in an attempt to obtain a new coordination polymer as part of our investigation of pyridine caboxylate coordination polymers. For the advantages of hydrothermal synthesis, see: Feng et al. (2001); Tao et al. (2001). For the crystal structures of coordination polymers involving 4-pyridinecarboxylate ligands, see: Lu et al. (2003).

Experimental

Crystal data

C12H8N2O4 Mr = 244.20 Orthorhombic, F d d 2 a = 16.1215 (14) Å b = 37.126 (3) Å c = 7.1317 (8) Å V = 4268.5 (7) Å3 Z = 16 Mo K radiation = 0.12 mm-1 T = 298 K 0.46 × 0.17 × 0.09 mm

Data collection

Bruker SMART 1000 CCD area-detector diffractometer Absorption correction: multi-scan (SADABS; Bruker, 2007) Tmin = 0.948, Tmax = 0.990 4377 measured reflections 1023 independent reflections 621 reflections with I > 2(I) Rint = 0.110

Refinement

R[F2 > 2(F2)] = 0.048 wR(F2) = 0.118 S = 1.02 1023 reflections 163 parameters 1 restraint H-atom parameters constrained max = 0.18 e Å-3 min = -0.22 e Å-3

Table 1 Hydrogen-bond geometry (Å, °) D-HA D-H HA DA D-HA N2-H2O1i 0.86 1.74 2.592 (5) 172 Symmetry code: (i) .

Data collection: SMART (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXL97.

Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: WN2400 ).