Electronic Supplementary Material (ESI) for Physical Chemistry Chemical Physics. Supplementary to Theoretical Study on the Gas Adsorption Capacity and

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1 Electronic Supplementary Material (ESI) for Physical Chemistry Chemical Physics. This journal is the Owner Societies 2017 Electronic Supplementary Material (ESI) for Physical Chemistry Chemical Physics. This journal is the Owner Societies 2017 Supplementary to Theoretical Study on the Gas Adsorption Capacity and Selectivity of CPM-200-In/Mg and CPM-200-In/Mg-X (-X = -NH2, -OH, -N, -F) Xiao-le Liu, a Guang-hui Chen, a Xiu-Jun Wang, b Peng Li, a Yi-bingSong, a and Rui-yanLi c a. Department of Chemistry, Shantou University, Guangdong , China. b. Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou , China. c. College of Chemistry and chemical engineering of inner Mongolia University for Nationalities. Tongliao , China ghchen@stu.edu.cn and xjwangcn@scut.edu.cn 1

2 Table S1. XYZ coordinate of the CPM-200-In/Mg-NH2(site2)(a=22.97 b=c=22.30β=α=γ=90) Atom Element X Y Z Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C

3 C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H In1 In C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N

4 H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H In1 In C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C

5 C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H In1 In C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H In1 In C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg

6 C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H In1 In C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O

7 O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H In1 In C_benz1 C C_benz4 C C_benz1 C

8 C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N

9 N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C

10 C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H In1 In C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H Mg1 Mg C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H

11 In1 In C_benz1 C C_benz4 C C_benz1 C C_benz2 C C_benz3 C C_benz2 C C_COO C C_COO C O_COO2 O O_COO1 O O_COO1 O O_COO2 O N1 N N_2 N H_benz H H_benz H O_OH O O_OH O O_OH O O_OH O O_OH O O_OH O O_OH O O_OH O H_OH H H_OH H H_OH H H_OH H H_OH H H_OH H H_OH H H_OH H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H

12 H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H H_2 H Table S2. LJ potential parameters for the atoms of CPM-200-In/Mg and CPM-200-In/Mg-X Materials Atom ε/k b (K) σ (Å) C_COO CPM-200-In/Mg O_COO

13 O_COO C C 2 (H) C N a a In Mg O_OH H_OH H_Benz none -N N b 3.45 b -F -OH C F C O H N b 3.42 b C NH 2 H 2 none a The data are from Dreiding force field, b The data are from TraPPE force field 13

14 Table S3. LJ Potential parameters and partial charges for the adsorbates Adsorbates Site ε/k b (K) σ (Å) q (e) Reference CH 4 CH TraPPE 1 C CO 2 O TraPPE 1 C TraPPE 1 C 2 H 2 H OPLS-AA 2 H H 2 COM N N 2 COM (3-4) (5) HCN HCHO H OPLS-AA 2 C TraPPE 1 N TraPPE 1 H C O OPLS-AA 2 C 2 H 6 CH TraPPE 1 CH C 3 H 8 CH TraPPE 1 C 2 H 4 CH TraPPE 1 C 2 H 3 Cl C 2 H 2 Cl 2 C (H 2 ) C (H) H (CH 2 ) H (CH) Cl C (H 2 ) C Cl H TraPPE 1 TraPPE 1 14

15 Adsorbates Site ε/k b (K) σ (Å) q (e) Reference C CHCl 3 Cl H TraPPE 1 C CH 2 Cl 2 Cl H TraPPE 1 H 2 S NO CO S H N O C O N NH 3 H COM TraPPE 1 DREIDING 6 (7) TraPPE 1 S SO 2 O (8) 15

16 Fig. S1a (a 1 ) (a 2 ) Fig. S1b (a 3 ) (a 4 ) (b 1 ) (b 2 ) (b 3 ) 16

17 Fig. S1c (c 1 ) (c 2 ) (c 3 ) (c 4 ) 17

Fig. S1d (d 1 ) (d 2 ) (d 3 ) (d 4 ) Fig.

(a 3 ) and 100000 (a 4 ) Pa respectively;the snapshots of CH 4 adsorbed in framework

CHCl 3 adsorbed in framework at 10 (c 1 ), 40 (c 2 ), 80 (c 3 ) and 300 (c 4 ) Pa

18 Fig. S1d (d 1 ) (d 2 ) (d 3 ) (d 4 ) Fig. S1 The snapshots of C 2 H 4 adsorbed in framework at 5000 (a 1 ), (a 2 ), (a 3 ) and (a 4 ) Pa respectively;the snapshots of CH 4 adsorbed in framework at 200 Torr (b 1 ), 600 Torr (b 2 ) and 4MPa (b 3 ) respectively;the snapshots of CHCl 3 adsorbed in framework at 10 (c 1 ), 40 (c 2 ), 80 (c 3 ) and 300 (c 4 ) Pa respectively;the snapshots of CH 2 Cl 2 adsorbed in framework at 100 (d 1 ), 200 (d 2 ), 750 (d 3 ) and (d 4 ) Pa respectively 18

19 Fig. S2a (a 1 ) (a 2 ) (a 3 ) (a 4 ) 19

20 Fig. S2b (b 1 ) (b 2 ) (b 3 ) (b 4 ) 20

21 Fig. S2c (c 1 ) (c 2 ) (c 3 ) (c 4 ) 21

22 Fig. S2d Fig. S2e (d 1 ) (d 2 ) (e 1 ) (e 2 ) (e 3 ) 22

23 Fig. S2f (f 1 ) (f 2 ) (f 3 ) (f 4 ) 23

24 Fig. S2g (g 1 ) (g 2 ) (g 3 ) (g 4 ) 24

25 Fig. S2h (h 1 ) (h 2 ) (h 3 ) (h 4 ) 25

26 Fig. S2i (i 1 ) (i 2 ) (i 3 ) (i 4 ) Fig.S2Radial distribution functions g(r) computed between the harmful gases (HCN (a), NH 3 (b), HCHO (c), C 2 H 4 (d), CH 4 (e), C 2 H 3 Cl (f), C 2 H 2 Cl 2 (g), CH 2 Cl 2 (h)andchcl 3 (i)) atoms and the various framework atoms at 298 K 26

27 Fig. S3 Fig.S3 Isosteric heats of C 2 H 2, C 2 H 4, CH 4, C 2 H 3 Cl, C 2 H 2 Cl 2, CH 2 Cl 2 and CHCl 3 adsorbed incpm-200- In/Mg at 298 K 27

28 Fig. S4 (a) (b) Fig.S4 The Vdw(a, b) and Coulomb(c) interactions between the host and adsorbate or among adsorbates respectively at 298 K (c) 28

29 Fig. S5 (a) (b) (c) (d) Fig.S5 Adsorption selectivities of MOFs in CO 2 -H 2 S-CH 4 (a, b) and CO 2 -SO 2 -N 2 (c, d) ternary mixtures systems at 298 K and low pressure area 29

30 Fig. S6 (a) (b) (c) 30

31 (d) (e) Fig. S6 (a) the CO 2 absorption capacity of MOFs at 273 K and 1 bar, (b) the HCHO absorption capacity of MOFs at 298 K and 1bar. (c, d) Single-component adsorption isotherms of CO 2, CH 4, H 2 S, N 2, SO 2 in CPM-200-In/Mg and CPM-200-In/Mg-X(-F, -N, -OH, NH 2 ) at 298 K and low pressure area(within 1 bar). (e)the pore-size distribution of MOFs 31

32 Fig. S7 (a) (b) (b) (d) Fig.S7 The effect of temperature on gas selectivity of materials in CO 2 -H 2 S-CH 4 (a, b) and SO 2 -CO 2 -N 2 (c, d) ternary mixtures systems at 4 MPa 32

33 References 1 Martin, M. G.; Siepmann, J. I. Transferable potentials for phase equilibria.1.united-atom description of n-alkanes, J. Phys. Chem. B1998, Jorgensen, W. L.; Maxwell, D. S.; Tirado-Rives, J.Development and testing of the OPLS allatom force field on conformational energetics and properties of organic liquids. J. Am. Chem. Soc. 1996, Michels, A.; De Graaff W.; Ten Seldam C A.Virial coefficients of hydrogen and deuterium at temperatures between -175 C and +150 C. Conclusions from the second virial coefficient with regards to the intermolecular potential. Physica (Utrecht) 1960, 26, Darkrim, F.; Aoufi, A.; Malbrunot, P.; et al. Hydrogen adsorption in the NaA zeolite: A comparison between numerical simulations and experiments.j. Chem. Phys. 2000, 112, Potoff, J. J.; Siepmann, J. I. Vapor-liquid equilibria of mixtures containing alkanes, carbon dioxide, and nitrogen, AIChE J.2001, 47, Mayo, S.L.; Olafson, B.D.; Goddard, W.A. DREIDING: a generic force field for molecular simulations, J. Phys. Chem. 1990, 94, Karra, J. R.; Walton, K. S. Walton. Effect of open metal sites on adsorption of polar and nonpolar molecules in metal organic framework Cu-BTC.Langmuir 2008, 24, Ribeiro MCC. Molecular dynamics simulation of liquid sulfur dioxide. J Phys Chem B. 2006, 110,

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