Crystal Structures of Ethyl 4-(4-Florophenyl)-6-phenyl-2-substituted-3-pyridinecarboxylates

Table 1

Crystal and experimental data of compound (I).

Formula: C20H15BrFNO2	Formula weight = 400.252
Crystal system: orthorhombic	𝐷𝑥 = 1.523 Mg m^−3
Space group: P212121	𝜆=0.71073
𝑎=8.3696(2) Å	𝜃 = 0.00–26.4°
𝑏=9.1641(2) Å	𝜇 = 2.38 mm^−1
𝑐=22.7594(6) Å	𝑇 = 298 K
𝑉=1745.64(7) Å^3	Needle (0.4 × 0.2 × 0.1 mm)
3568 observed reflections	Colourless
𝑅int = 0.034	𝑍=4
Refinement on 𝐹^2	𝜃max = 26.4°
Fullmatrix least squares refinement	Criterion: 𝐼 > 3.00 sigma(𝐼)
𝑅(gt) = 0.037	𝑤𝑅(gt) = 0.021
𝑤𝑅(gt) = 0.021	Δ𝜌max = 0.76 e/Å^3
𝑆(gt) = 0.983	Δ𝜌min = −0.86 e/Å^3
2236 reflections	Only coordinates of H atoms refined
226 parameters	Calculated weights sigma
0 restraints	(Δ/𝜎max) = 0.019