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. 2023 Jul 11;79(Pt 8):707–713. doi: 10.1107/S205698902300587X

Table 8. Experimental details.

  1 2 3
Crystal data
Chemical formula C13H15NO2 C10H17NO2 C14H17NO2
M r 217.26 183.24 231.28
Crystal system, space group Monoclinic, P21/c Monoclinic, P21/c Monoclinic, P21
Temperature (K) 213 170 170
a, b, c (Å) 11.7356 (14), 9.2401 (8), 11.3970 (14) 9.8226 (7), 9.8323 (6), 11.2700 (8) 10.0459 (9), 8.1011 (5), 15.7052 (13)
β (°) 113.148 (14) 108.171 (5) 103.372 (7)
V3) 1136.4 (2) 1034.16 (12) 1243.48 (17)
Z 4 4 4
Radiation type Mo Kα Mo Kα Mo Kα
μ (mm−1) 0.09 0.08 0.08
Crystal size (mm) 0.33 × 0.15 × 0.12 0.32 × 0.28 × 0.21 0.44 × 0.21 × 0.14
 
Data collection
Diffractometer Stoe IPDS 2 Stoe IPDS 2 Stoe IPDS 2T
No. of measured, independent and observed [I > 2σ(I)] reflections 7396, 2159, 1414 7337, 2774, 2126 11343, 11343, 9181
R int 0.078 0.033 0.042
(sin θ/λ)max−1) 0.616 0.685 0.688
 
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S 0.041, 0.097, 0.94 0.036, 0.104, 1.03 0.048, 0.131, 1.05
No. of reflections 2159 2774 11343
No. of parameters 147 123 315
No. of restraints 0 0 1
H-atom treatment H-atom parameters constrained H-atom parameters constrained H-atom parameters constrained
Δρmax, Δρmin (e Å−3) 0.18, −0.17 0.30, −0.14 0.27, −0.28
Absolute structure Classical Flack method preferred over Parsons because s.u. lower.
Absolute structure parameter 2.9 (7)

Computer programs: X-AREA WinXpose (Stoe, 2016), X-AREA Recipe (Stoe, 2015), X-AREA (Stoe, 2016), SHELXT (Sheldrick, 2015a ), SHELXL (Sheldrick, 2015b ), DIAMOND (Brandenburg, 2019) and OLEX2 (Dolomanov et al., 2009).