Table 1. Experimental details.

Crystal data
Chemical formula	C14H22N2O2Si2
M r	306.5
Crystal system, space group	Monoclinic, P21/n
Temperature (K)	100
a, b, c (Å)	8.0770 (5), 11.2234 (6), 9.4377 (6)
β (°)	97.7087 (19)
V (Å3)	847.81 (9)
Z	2
Radiation type	Mo Kα
μ (mm−1)	0.21
Crystal size (mm)	0.65 × 0.26 × 0.12
Data collection
Diffractometer	Bruker Kappa APEXII CCD
Absorption correction	Multi-scan (SADABS; Bruker, 2013 ▶)
T min, T max	0.94, 0.98
No. of measured, independent and observed [I > 3σ(I)] reflections	15160, 2487, 2123
R int	0.024
(sin θ/λ)max (Å−1)	0.705
Refinement
R[F 2 > 3σ(F 2)], wR(F 2), S	0.030, 0.042, 2.38
No. of reflections	2487
No. of parameters	91
H-atom treatment	H-atom parameters constrained
Δρmax, Δρmin (e Å−3)	0.38, −0.20

Computer programs: APEX2 and SAINT-Plus (Bruker, 2013 ▶), SUPERFLIP (Palatinus & Chapuis, 2007 ▶), JANA2006 (Petříček, et al., 2014 ▶), Mercury (Macrae et al., 2008 ▶) and publCIF (Westrip, 2010 ▶).