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. 2021 Feb 26;77(Pt 3):314–318. doi: 10.1107/S2056989021001778

Table 3. Experimental details.

  3a 3b
Crystal data
Chemical formula C17H20ClNO5 C19H24ClNO5
M r 353.79 381.84
Crystal system, space group Monoclinic, P21/c Monoclinic, P21/c
Temperature (K) 150 150
a, b, c (Å) 14.654 (3), 8.9148 (17), 13.045 (2) 14.6986 (13), 10.6309 (10), 25.131 (2)
β (°) 102.581 (3) 90.1851 (14)
V3) 1663.2 (5) 3926.9 (6)
Z 4 8
Radiation type Mo Kα Mo Kα
μ (mm−1) 0.26 0.22
Crystal size (mm) 0.34 × 0.32 × 0.10 0.48 × 0.44 × 0.21
 
Data collection
Diffractometer Bruker SMART APEXII CCD Bruker SMART APEXII CCD
Absorption correction Multi-scan (SADABS; Sheldrick, 2008) Multi-scan (SADABS; Sheldrick, 2008)
T min, T max 0.885, 0.975 0.841, 0.954
No. of measured, independent and observed [I > 2σ(I)] reflections 21434, 5291, 4023 67292, 12630, 10320
R int 0.041 0.026
(sin θ/λ)max−1) 0.726 0.727
 
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S 0.040, 0.111, 1.05 0.039, 0.115, 1.03
No. of reflections 5291 12630
No. of parameters 224 584
No. of restraints 0 399
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) 0.41, −0.25 0.64, −0.35

Computer programs: APEX2 and SAINT (Bruker, 2010), SHELXS97 and SHELXTL (Sheldrick, 2008), and SHELXL2018/3 (Sheldrick, 2015).