Porous coordination polymer polymorphs with different flexible pores using a structurally flexible and bent 1,3-bis(4-pyridyl)propane ligand

Katsuo Fukuhara; Shin Ichiro Noro; Kunihisa Sugimoto; Tomoyuki Akutagawa; Kazuya Kubo; Takayoshi Nakamura

doi:10.1021/ic301949n

Porous coordination polymer polymorphs with different flexible pores using a structurally flexible and bent 1,3-bis(4-pyridyl)propane ligand

Katsuo Fukuhara, Shin Ichiro Noro, Kunihisa Sugimoto, Tomoyuki Akutagawa, Kazuya Kubo, Takayoshi Nakamura

IMRAM - Materials-Measurement Hybrid Research Center

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

32 Citations (Scopus)

Abstract

Porous coordination polymer (PCP) polymorphs with the formula [Cu(CF ₃SO₃)₂(bpp)₂]_n [1 and 2, where bpp = 1,3-bis(4-pyridyl)propane] have been synthesized and crystallographically characterized, and their distinguishable porous properties have been investigated. 1 was obtained by the removal of guest acetone molecules from one-dimensional PCP {[Cu(CF₃SO₃)(bpp) ₂]·CF₃SO₃·2acetone}_n (1âŠ2acetone), while 2 was derived from two-dimensional PCP {[Cu(CF₃SO₃)₂(bpp)₂]·H ₂O}_n (2âŠH₂O) by the loss of guest H₂O molecules. The desolvated PCPs 1 and 2 with the same formula [Cu(CF₃SO₃)₂(bpp)₂] showed distinguishable structures, suggesting PCP polymorphs. In addition, their adsorption behaviors were completely different: 1 showed adsorption with the structural transformation from closed to open forms, while 2 appeared to expand its framework for only as long as was required for the passage of guest molecules. To the best of our knowledge, PCP polymorphs showing either of two different types of flexible pores are very rare.

Original language	English
Pages (from-to)	4229-4237
Number of pages	9
Journal	Inorganic Chemistry
Volume	52
Issue number	8
DOIs	https://doi.org/10.1021/ic301949n
Publication status	Published - 2013 Apr 15

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title = "Porous coordination polymer polymorphs with different flexible pores using a structurally flexible and bent 1,3-bis(4-pyridyl)propane ligand",

abstract = "Porous coordination polymer (PCP) polymorphs with the formula [Cu(CF 3SO3)2(bpp)2]n [1 and 2, where bpp = 1,3-bis(4-pyridyl)propane] have been synthesized and crystallographically characterized, and their distinguishable porous properties have been investigated. 1 was obtained by the removal of guest acetone molecules from one-dimensional PCP {[Cu(CF3SO3)(bpp) 2]·CF3SO3·2acetone}n (1{\^a}{\v S}2acetone), while 2 was derived from two-dimensional PCP {[Cu(CF3SO3)2(bpp)2]·H 2O}n (2{\^a}{\v S}H2O) by the loss of guest H2O molecules. The desolvated PCPs 1 and 2 with the same formula [Cu(CF3SO3)2(bpp)2] showed distinguishable structures, suggesting PCP polymorphs. In addition, their adsorption behaviors were completely different: 1 showed adsorption with the structural transformation from closed to open forms, while 2 appeared to expand its framework for only as long as was required for the passage of guest molecules. To the best of our knowledge, PCP polymorphs showing either of two different types of flexible pores are very rare.",

author = "Katsuo Fukuhara and Noro, {Shin Ichiro} and Kunihisa Sugimoto and Tomoyuki Akutagawa and Kazuya Kubo and Takayoshi Nakamura",

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T1 - Porous coordination polymer polymorphs with different flexible pores using a structurally flexible and bent 1,3-bis(4-pyridyl)propane ligand

AU - Fukuhara, Katsuo

AU - Noro, Shin Ichiro

AU - Sugimoto, Kunihisa

AU - Akutagawa, Tomoyuki

AU - Kubo, Kazuya

AU - Nakamura, Takayoshi

PY - 2013/4/15

Y1 - 2013/4/15

N2 - Porous coordination polymer (PCP) polymorphs with the formula [Cu(CF 3SO3)2(bpp)2]n [1 and 2, where bpp = 1,3-bis(4-pyridyl)propane] have been synthesized and crystallographically characterized, and their distinguishable porous properties have been investigated. 1 was obtained by the removal of guest acetone molecules from one-dimensional PCP {[Cu(CF3SO3)(bpp) 2]·CF3SO3·2acetone}n (1âŠ2acetone), while 2 was derived from two-dimensional PCP {[Cu(CF3SO3)2(bpp)2]·H 2O}n (2âŠH2O) by the loss of guest H2O molecules. The desolvated PCPs 1 and 2 with the same formula [Cu(CF3SO3)2(bpp)2] showed distinguishable structures, suggesting PCP polymorphs. In addition, their adsorption behaviors were completely different: 1 showed adsorption with the structural transformation from closed to open forms, while 2 appeared to expand its framework for only as long as was required for the passage of guest molecules. To the best of our knowledge, PCP polymorphs showing either of two different types of flexible pores are very rare.

AB - Porous coordination polymer (PCP) polymorphs with the formula [Cu(CF 3SO3)2(bpp)2]n [1 and 2, where bpp = 1,3-bis(4-pyridyl)propane] have been synthesized and crystallographically characterized, and their distinguishable porous properties have been investigated. 1 was obtained by the removal of guest acetone molecules from one-dimensional PCP {[Cu(CF3SO3)(bpp) 2]·CF3SO3·2acetone}n (1âŠ2acetone), while 2 was derived from two-dimensional PCP {[Cu(CF3SO3)2(bpp)2]·H 2O}n (2âŠH2O) by the loss of guest H2O molecules. The desolvated PCPs 1 and 2 with the same formula [Cu(CF3SO3)2(bpp)2] showed distinguishable structures, suggesting PCP polymorphs. In addition, their adsorption behaviors were completely different: 1 showed adsorption with the structural transformation from closed to open forms, while 2 appeared to expand its framework for only as long as was required for the passage of guest molecules. To the best of our knowledge, PCP polymorphs showing either of two different types of flexible pores are very rare.

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Porous coordination polymer polymorphs with different flexible pores using a structurally flexible and bent 1,3-bis(4-pyridyl)propane ligand

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