. 2019 Jul 23;75(Pt 8):1232–1238. doi: 10.1107/S2056989019010284

Table 5. Geometric data (Å, °) for related 2-methyl-4-(aryl)but-3-yn-2-ol molecules.

Compound	Z′	C_ring—C_acetylene	C_acetylene—C_acetylene	C_acetylene—C_quaternary	Supramolecular motif	Reference
(I)	1	1.438 (3)	1.189 (3)	1.471 (3)	hexamer	This work
(II)	3	1.443 (5)	1.211 (5)	1.454 (5)	chain	Singelenberg & van Eijck (1987 ▸)
		1.437 (6)	1.192 (6)	1.479 (6)
		1.437 (5)	1.189 (5)	1.479 (5)
(III)	2	1.441 (2)	1.193 (2)	1.490 (2)	dimer	Clegg (2017 ▸)
		1.435 (2)	1.1895 (2)	1.480 (2)
(IV)	1	1.4377 (16)	1.2000 (16)	1.4791 (16)	chain	Eissmann et al. (2010 ▸)
(V)	3	1.4418 (18)	1.1951 (19)	1.4764 (19)	hexamer	Hübscher et al. (2016 ▸)
		1.444 (2)	1.194 (2)	1.4859 (19)
		1.4402 (19)	1.1904 (19)	1.4723 (18)

Table 5. Geometric data (Å, °) for related 2-methyl-4-(ar­yl)but-3-yn-2-ol mol­ecules.