Skip to main content
. 2025 May 13;81(Pt 6):486–491. doi: 10.1107/S2056989025003810

Table 5. Experimental details.

  1 2
Crystal data
Chemical formula C19H19NO4 C15H13NO2
M r 325.35 239.26
Crystal system, space group Orthorhombic, P212121 Orthorhombic, Pca21
Temperature (K) 100 100
a, b, c (Å) 4.8393 (2), 12.4928 (4), 27.3101 (9) 15.3560 (3), 5.0400 (1), 31.0254 (7)
V3) 1651.07 (10) 2401.19 (9)
Z 4 8
Radiation type Cu Kα Cu Kα
μ (mm−1) 0.75 0.71
Crystal size (mm) 0.3 × 0.03 × 0.01 0.25 × 0.03 × 0.01
 
Data collection
Diffractometer Bruker D8 Venture Photon III Bruker D8 Venture Photon III
Absorption correction Multi-scan (SADABS; Krause et al., 2015) Multi-scan (SADABS; Krause et al., 2015)
Tmin, Tmax 0.664, 0.753 0.683, 0.753
No. of measured, independent and observed [I > 2σ(I)] reflections 25780, 2922, 2590 18874, 4069, 3754
R int 0.081 0.051
(sin θ/λ)max−1) 0.596 0.596
 
Refinement
R[F2 > 2σ(F2)], wR(F2), S 0.032, 0.073, 1.06 0.030, 0.068, 1.05
No. of reflections 2922 4069
No. of parameters 226 341
No. of restraints 0 1
H-atom treatment H atoms treated by a mixture of independent and constrained refinement H atoms treated by a mixture of independent and constrained refinement
Δρmax, Δρmin (e Å−3) 0.12, −0.17 0.14, −0.17
Absolute structure Flack x determined using 992 quotients [(I+)−(I)]/[(I+)+(I)] (Parsons et al., 2013) Flack x determined using 1617 quotients [(I+)−(I)]/[(I+)+(I)] (Parsons et al., 2013)
Absolute structure parameter −0.05 (14) −0.26 (13)

Computer programs: APEX5 and SAINT V8.40B (Bruker, 2023), SHELXT2018/2 (Sheldrick, 2015a), SHELXL (Sheldrick, 2015b) and OLEX2 (Dolomanov et al., 2009).