Discrepant gas adsorption in isostructural heterometallic coordination polymers: Strong dependence of metal identity

Sheng Li Huang; Long Zhang; Yue Jian Lin; Guo Xin Jin

doi:10.1039/c2ce26072g

Discrepant gas adsorption in isostructural heterometallic coordination polymers: Strong dependence of metal identity

Sheng Li Huang
, Long Zhang
, Yue Jian Lin
, Guo Xin Jin^*

^*Corresponding author for this work

Fudan University

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

Two isostructural porous 3d-4d materials [M(cyclam)Pd(2,4-pydc) ₂·4H₂O]_n (2,4-H₂pydc = pyridine-2,4-dicarboxylate acid) (1, M = Ni and 2, M = Zn) and five other isostructural complexes {[M′(cyclam)]₂[M(2,5-pydc) ₃]·xH₂O}_n (2,5-H₂pydc = pyridine-2,5-dicarboxylate acid) (3, M = Co, M′ = Ni; 4, M = M′ = Ni; 5, M = Zn, M′ = Ni; 6, M = Ni, M′ = Zn and 7, M = M′ = Zn) were synthesized. Both complexes 1′ and 2′ show high selective CO₂ capture over CH₄ and N₂. The comparisons of different gas sorption properties between 1′ and 2′ strongly suggest that metal identity has a great influence on the polarity of frameworks, but just the polar molecules respond to the polarity changes of different frameworks. The comparisons of CO₂ sorption properties between five other isostructural complexes 3′-7′ also strongly suggest that metal identity has great influence on polarity of frameworks and further the CO ₂ uptake.

Original language	English
Pages (from-to)	78-85
Number of pages	8
Journal	CrystEngComm
Volume	15
Issue number	1
DOIs	https://doi.org/10.1039/c2ce26072g
Publication status	Published - 7 Jan 2013
Externally published	Yes

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title = "Discrepant gas adsorption in isostructural heterometallic coordination polymers: Strong dependence of metal identity",

abstract = "Two isostructural porous 3d-4d materials [M(cyclam)Pd(2,4-pydc) 2·4H2O]n (2,4-H2pydc = pyridine-2,4-dicarboxylate acid) (1, M = Ni and 2, M = Zn) and five other isostructural complexes \{[M′(cyclam)]2[M(2,5-pydc) 3]·xH2O\}n (2,5-H2pydc = pyridine-2,5-dicarboxylate acid) (3, M = Co, M′ = Ni; 4, M = M′ = Ni; 5, M = Zn, M′ = Ni; 6, M = Ni, M′ = Zn and 7, M = M′ = Zn) were synthesized. Both complexes 1′ and 2′ show high selective CO2 capture over CH4 and N2. The comparisons of different gas sorption properties between 1′ and 2′ strongly suggest that metal identity has a great influence on the polarity of frameworks, but just the polar molecules respond to the polarity changes of different frameworks. The comparisons of CO2 sorption properties between five other isostructural complexes 3′-7′ also strongly suggest that metal identity has great influence on polarity of frameworks and further the CO 2 uptake.",

author = "Huang, \{Sheng Li\} and Long Zhang and Lin, \{Yue Jian\} and Jin, \{Guo Xin\}",

year = "2013",

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AU - Huang, Sheng Li

AU - Zhang, Long

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PY - 2013/1/7

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N2 - Two isostructural porous 3d-4d materials [M(cyclam)Pd(2,4-pydc) 2·4H2O]n (2,4-H2pydc = pyridine-2,4-dicarboxylate acid) (1, M = Ni and 2, M = Zn) and five other isostructural complexes {[M′(cyclam)]2[M(2,5-pydc) 3]·xH2O}n (2,5-H2pydc = pyridine-2,5-dicarboxylate acid) (3, M = Co, M′ = Ni; 4, M = M′ = Ni; 5, M = Zn, M′ = Ni; 6, M = Ni, M′ = Zn and 7, M = M′ = Zn) were synthesized. Both complexes 1′ and 2′ show high selective CO2 capture over CH4 and N2. The comparisons of different gas sorption properties between 1′ and 2′ strongly suggest that metal identity has a great influence on the polarity of frameworks, but just the polar molecules respond to the polarity changes of different frameworks. The comparisons of CO2 sorption properties between five other isostructural complexes 3′-7′ also strongly suggest that metal identity has great influence on polarity of frameworks and further the CO 2 uptake.

AB - Two isostructural porous 3d-4d materials [M(cyclam)Pd(2,4-pydc) 2·4H2O]n (2,4-H2pydc = pyridine-2,4-dicarboxylate acid) (1, M = Ni and 2, M = Zn) and five other isostructural complexes {[M′(cyclam)]2[M(2,5-pydc) 3]·xH2O}n (2,5-H2pydc = pyridine-2,5-dicarboxylate acid) (3, M = Co, M′ = Ni; 4, M = M′ = Ni; 5, M = Zn, M′ = Ni; 6, M = Ni, M′ = Zn and 7, M = M′ = Zn) were synthesized. Both complexes 1′ and 2′ show high selective CO2 capture over CH4 and N2. The comparisons of different gas sorption properties between 1′ and 2′ strongly suggest that metal identity has a great influence on the polarity of frameworks, but just the polar molecules respond to the polarity changes of different frameworks. The comparisons of CO2 sorption properties between five other isostructural complexes 3′-7′ also strongly suggest that metal identity has great influence on polarity of frameworks and further the CO 2 uptake.

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DO - 10.1039/c2ce26072g

M3 - Article

AN - SCOPUS:84870155642

SN - 1466-8033

VL - 15

SP - 78

EP - 85

JO - CrystEngComm

JF - CrystEngComm

IS - 1

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Discrepant gas adsorption in isostructural heterometallic coordination polymers: Strong dependence of metal identity

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