Table 2. Comparison of the geometry (Å, °) within the methyl­amine C–CH₂–N fragment for the title compound with related structures.

	C1—C11	C11—N1	Cp1/C1>N1
Title compound	1.493 (5)	1.531 (4)	89.7 (2)
BECKUQ	1.509	1.534	85.6
LIFWUS	1.465	1.544	69.8
LIFWUS	1.509	1.536	78.6
LIFXAZ	1.494	1.525	70.4
PIJLEB	1.494	1.519	86.9
VIKZIA	1.485	1.538	86.0
XEQKIN	1.497	1.531	84.2

References: BECKUQ (Hitchcock et al., 2002 ▸); LIFWUS (Malezieux et al., 1994 ▸); LIFXAZ (Malezieux et al., 1994 ▸); PIJLEB (Butler et al., 2002 ▸); VIKZIA (Butler et al., 2002 ▸); XEKQIN (Deck et al., 2000 ▸).