Table 2 Summary of physical properties of three xylene isomers4,9.

From: Refinement of pore size at sub-angstrom precision in robust metal–organic frameworks for separation of xylenes

Xylene isomer

o-xylene

m-xylene

p-xylene

Molecular structure

Boiling point (°C)

144.4

139.1

138.4

Melting point (°C)

−25

−48

13

Molecular dimension (Å)a

7.269 × 3.834 × 7.826

8.994 × 3.949 × 7.315

6.618 × 3.810 × 9.146

MIN-1(Å)

3.834

3.949

3.810

MIN-2(Å)

7.269

7.258

6.618

MIN-1×MIN-2(Å2)

27.869

28.662

25.215

Polarizability (×10−25 cm3)

141–149

142

137–149

Composition in commercial xylenes (%)

~20

40–65

~20

  1. aTaken from Webster, C.E.; Drago, R.S.; Zerner, M.C. Molecular dimensions for adsorptives, J. Am. Chem. Soc. 120, 5509–5516 (1998).
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