Table 1.
Compound | The Dihedral Angle between Benzene Rings/° | Aliphatic Chain Conformation | OH‧‧‧OH Distance /Å | Density/g cm−3 | Melting Point/°C | CSD Code |
---|---|---|---|---|---|---|
1,2-bis[2-(hydroxyformyl)phenoxy]methylene | 59.43 | gauche | 9.815(2) | 1.332 | 121–123 ref. [26] | FASCUY [27] |
1,2-bis[2-(hydroxyformyl)phenoxy]ethylene | 60.89 | trans–gauche–trans | 6.446(4) | 1.242 | 122–124 ref. [23] | SAZCIF [28] |
1,2-bis[2-(hydroxyformyl)phenoxy]propylene | 80.73 84.59 |
trans–gauche-gauche–trans | 9.659(2) 9.725(2) |
1.274 | 96 ref. [23] | FASDAF [27] |
Do4OH | 0 | all-trans | 13.754(2) | 1.236 | 98 | This work |
Do5OH | 84.2(1) | trans–gauche–trans–gauche–trans | 11.133(2) | 1.268 | 64 | This work |
Do6OH I | 0 | all-trans | 13.954(2)–conformer A 15.799(2)–conformer B |
1.188 | 63 | This work |
Do6OH II | 0 | trans–gauche–trans–trans–trans–gauche-trans | 13.461(2) | 1.242 | 60 | This work |