Table 2. Experimental details.

Crystal data
Chemical formula	C21H15N2 +·C7H5O2 −
M r	416.46
Crystal system, space group	Monoclinic, P21/n
Temperature (K)	100
a, b, c (Å)	9.4693 (4), 8.7384 (3), 24.5049 (9)
β (°)	91.792 (1)
V (Å3)	2026.70 (13)
Z	4
Radiation type	Mo Kα
μ (mm−1)	0.09
Crystal size (mm)	0.39 × 0.28 × 0.17
Data collection
Diffractometer	Bruker APEXII CCD
Absorption correction	Multi-scan (SADABS; Bruker, 2016 ▸)
T min, T max	0.708, 0.746
No. of measured, independent and observed [I > 2σ(I)] reflections	25446, 3979, 3269
R int	0.046
(sin θ/λ)max (Å−1)	0.617
Refinement
R[F 2 > 2σ(F 2)], wR(F 2), S	0.041, 0.104, 1.10
No. of reflections	3979
No. of parameters	289
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.23, −0.33

Computer programs: APEX2 and SAINT (Bruker, 2016 ▸), SHELXT2018/3 (Sheldrick, 2015a ▸), SHELXL2018/3 (Sheldrick, 2015b ▸), Mercury (Macrae et al., 2020 ▸), WinGX (Farrugia, 2012 ▸) and PLATON (Spek, 2020 ▸).