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. 2021 Feb 12;77(Pt 3):242–246. doi: 10.1107/S2056989021001353

Table 3. Experimental details.

  (I) (II)
Crystal data
Chemical formula C20H19N3O2 C22H21N3O
M r 333.38 343.42
Crystal system, space group Monoclinic, P21/c Monoclinic, P21/c
Temperature (K) 150 150
a, b, c (Å) 13.8467 (3), 15.8409 (3), 8.0225 (2) 14.3493 (8), 15.7501 (9), 8.3737 (5)
β (°) 104.814 (1) 106.285 (2)
V3) 1701.20 (7) 1816.55 (18)
Z 4 4
Radiation type Cu Kα Cu Kα
μ (mm−1) 0.69 0.62
Crystal size (mm) 0.19 × 0.11 × 0.07 0.19 × 0.13 × 0.08
 
Data collection
Diffractometer Bruker D8 VENTURE PHOTON 100 CMOS Bruker D8 VENTURE PHOTON 100 CMOS
Absorption correction Multi-scan (SADABS; Krause et al., 2015) Multi-scan (SADABS; Krause et al., 2015)
T min, T max 0.88, 0.95 0.86, 0.95
No. of measured, independent and observed [I > 2σ(I)] reflections 13222, 3372, 2939 13875, 3665, 3140
R int 0.031 0.031
(sin θ/λ)max−1) 0.625 0.625
 
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S 0.036, 0.095, 1.05 0.037, 0.092, 1.04
No. of reflections 3372 3665
No. of parameters 303 320
H-atom treatment All H-atom parameters refined All H-atom parameters refined
Δρmax, Δρmin (e Å−3) 0.23, −0.19 0.17, −0.16

Computer programs: APEX3 and SAINT (Bruker, 2016), SHELXT (Sheldrick, 2015a ), SHELXL2016/6 (Sheldrick, 2015b ), DIAMOND (Brandenburg & Putz, 2012) and publCIF (Westrip, 2010).