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 formulaCoC12H16O8N2F(000)386
Formula weight375.20 g mol−1Crystal size0.42 mm × 0.35 mm × 0.25 mm
Temperature298( ) KTheta range for data collection2.50–25.02°
Wavelength0.71073 ÅLimiting indices−11 ≤ h ≤ 8, −6 ≤ k ≤ 6, −15 ≤ l ≤ 17
Crystal systemMonoclinicReflections collected/unique3424/1320 R(int) = 0.0438
Space group 2( )/n Completeness to theta = 25.0299.6%
Unit cell dimensionsAbsorption correction Semiempirical from equivalents
a 9.8468( ) ÅMax. and min. transmission0.7549 and 0.6344
b 5.2013( ) ÅRefinement methodFull-matrix least squares on F 2
c 14.6041( ) ÅData/restraints/parameters1320/0/107
β90.2310( Goodness of fit on F 21.077
Volume747.96( ) Å3Final R indices R 1 = 0.0297, wR 2 = 0.0831
Z 2R indices (all data)R 1 = 0.0338, wR 2 = 0.0877
Calculated density1.666 g cm−3Extinction coefficient0.222( )
Absorption coefficient1.192 mm−1Largest diff. peak and hole0.333 and −0.358 e  Å−3