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. 2015 Apr 22;71(Pt 5):523–527. doi: 10.1107/S2056989015006994

Table 3. Experimental details.

  (I) (II)
Crystal data
Chemical formula C20H16ClO2P C18H21O2P
M r 354.75 300.32
Crystal system, space group Orthorhombic, P b c a Monoclinic, P21
Temperature (K) 173 173
a, b, c (Å) 11.7380 (2), 14.4453 (3), 19.9515 (3) 8.3416 (2), 10.5161 (2), 10.2790 (2)
α, β, γ (°) 90, 90, 90 90, 112.212 (1), 90
V3) 3382.95 (10) 834.77 (3)
Z 8 2
Radiation type Cu Kα Cu Kα
μ (mm−1) 2.97 1.47
Crystal size (mm) 0.36 × 0.17 × 0.13 0.43 × 0.14 × 0.08
 
Data collection
Diffractometer Bruker APEXII CCD Bruker SMART APEX CCD area detector
Absorption correction Multi-scan (SADABS; Bruker, 2013) Multi-scan (SADABS; Bruker, 2013)
T min, T max 0.599, 0.754 0.631, 0.754
No. of measured, independent and observed [I > 2σ(I)] reflections 17900, 3297, 2880 7043, 3006, 2774
R int 0.033 0.042
(sin θ/λ)max−1) 0.617 0.617
 
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S 0.032, 0.089, 1.04 0.042, 0.118, 1.13
No. of reflections 3297 3006
No. of parameters 217 193
No. of restraints 0 1
H-atom treatment H-atom parameters constrained H-atom parameters constrained
Δρmax, Δρmin (e Å−3) 0.32, −0.39 0.49, −0.38
Absolute structure Flack x determined using 1090 quotients [(I +)−(I )]/[(I +)+(I )] (Parsons et al., 2013)
Absolute structure parameter 0.088 (14)

Computer programs: APEX2, SAINT and XPREP (Bruker, 2013), SHELXS97 (Sheldrick, 2008), SHELXL2014 (Sheldrick, 2015), CrystalMaker (Palmer, 2007) and OLEX2 (Dolomanov et al., 2009; Bourhis et al., 2015).