Research Article
Synthesis, Crystal Structure, and Thermal Decomposition of the Cobalt(II) Complex with 2-Picolinic Acid
Table 1
Crystal data and structure refinement parameters for the title complex.
| Empirical formula | CoC12H16O8N2 | F(000) | 386 | Formula weight | 375.20 g mol−1 | Crystal size | 0.42 mm × 0.35 mm × 0.25 mm | Temperature | 298() K | Theta range for data collection | 2.50–25.02° | Wavelength | 0.71073 Å | Limiting indices | −11 ≤ h ≤ 8, −6 ≤ k ≤ 6, −15 ≤ l ≤ 17 | Crystal system | Monoclinic | Reflections collected/unique | 3424/1320 R(int) = 0.0438 | Space group | 2()/n | Completeness to theta = 25.02 | 99.6% | Unit cell dimensions | | Absorption correction |
Semiempirical from equivalents | a | 9.8468() Å | Max. and min. transmission | 0.7549 and 0.6344 | b | 5.2013() Å | Refinement method | Full-matrix least squares on F 2 | c | 14.6041() Å | Data/restraints/parameters | 1320/0/107 | β | 90.2310()° | Goodness of fit on F 2 | 1.077 | Volume | 747.96() Å3 | Final R indices | R
1 = 0.0297, wR 2 = 0.0831 | Z | 2 | R indices (all data) | R
1 = 0.0338, wR 2 = 0.0877 | Calculated density | 1.666 g cm−3 | Extinction coefficient | 0.222() | Absorption coefficient | 1.192 mm−1 | Largest diff. peak and hole | 0.333 and −0.358 e Å−3 |
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