Table 1 Comparison of CO2/C2H2 uptakes and Qst with the density of OMSs and functional groups* for selected MOFs.

From: Unravelling exceptional acetylene and carbon dioxide adsorption within a tetra-amide functionalized metal-organic framework

Material

BET SA (m2 g−1)

CO 2 uptake † (wt%)

CO2 Qst (kJ mol−1)

C 2 H 2 uptake (wt%)

C2H2 Qst (kJ mol−1)

OMS density (mmol g−1)

FG density (mmol g−1)

Reference

MFM-188

2,568

23.7

20.8

27.0‡

32.5

3.3

3.26

This work

NOTT-125

2,471

18.2

25.4

−

−

3.7

3.7

19

Cu3(TPBTM)

3,160

23.3

26.3

−

−

3.4

3.4

22

NJU-BAI-17

2,423

−

−

25.8‡

38

4.0

2.0

23

MOF-74Mg

1,495

35.2

47

21.4†

34

8.3

0

27, 40

FJI-H8

2,025

−

−

26.0‡

32

3.6

0

11

HKUST-1

1,781

17.9

30.0

23.3‡

30.4

5.0

0

28

ZJU-40

2,858

17.2

24

25.1†

34.5

3.8

3.8

41

SIFSIX-1-Cu

1,178

23.1

27

22.1†

37

0

7.7

29, 42

ZJU-8

2,501

20.4

21.9

22.6†

30

3.7

1.8

43

NOTT-101

2,316

−

−

21.34‡

−

3.8

0

44

ZJU-10

2,392

−

−

20.2‡

39

3.7

1.9

45

NOTT-300-Al

1,370

−

−

16.5†

32

0

4.4

7

UTSA-100

970

−

−

11.1‡

22

0

9.7

21

UTSA-60

484

−

−

8.12‡

36

4.2

0

46

  1. FG, functional group; MOFs, metal-organic frameworks; OMS, open metal site; SA, surface area.
  2. *Functional groups: MFM-188, amide; NOTT-125, oxamide (considered as two equivalents of amide); [Cu3(TPBTM)], amide; NJU-BAI-17, amide; ZJU-40, pyridyl; SIFSIX-1-Cu, fluorine; ZJU-8, amine, ZJU-10, hydroxyl; NOTT-300-Al, hydroxyl; UTSA-100, amine and tetrazolyl.
  3. †298 K and 1.0 bar.
  4. ‡295 K and 1.0 bar.
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