Table 3. Characteristic distances of different conformers.

	H3–H14–1(Å)	H3–O3(Å)	H14–1–O1(Å)	O3–O1(Å)	Characteristic distance
Conformer A	7.22	6.92	6.55	4.85	O3–O1
Conformer B	3.43	6.11	5.49	6.88	H3–H14–1
Conformer C	6.23	7.37	3.84	6.15	H14–1–O1
Conformer D	6.66	4.51	6.89	6.20	H3–O3