Homochiral laminar europium metal-organic framework with unprecedented giant dielectric anisotropy

Zhi Rong Qu; Qiong Ye; Hong Zhao; Da Wei Fu; Heng Yun Ye; Ren Gen Xiong; Tomoyuki Akutagawa; Takayoshi Nakamura

doi:10.1002/chem.200701449

Homochiral laminar europium metal-organic framework with unprecedented giant dielectric anisotropy

Zhi Rong Qu, Qiong Ye, Hong Zhao, Da Wei Fu, Heng Yun Ye, Ren Gen Xiong, Tomoyuki Akutagawa, Takayoshi Nakamura

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

21 Citations (Scopus)

Abstract

Hydrothermal (deuteratothermal) reaction of L-ethyl lactate (Lig-Et) with Eu(ClO₄)₃·6 H₂O gives colorless block crystals of [Eu(Lig)₂-(X₂O)₂][ClO₄] (1, X = H; 2, X = D) both of which possess a two-dimensional laminar homochiral framework. Single-crystal dielectric measurements reveal that 1 and 2 display a giant dielectric anisotropy approximately exceeding 100 and large isotopic effect with about 54% enhancement along the a axis. Their ferroelectric features further confirm this respect. Crystal parameters: 1, C₆H ₁₄ClO₁₂Eu, M_r = 465.58, monoclinic, C ₂, a=8.6786(6), b=8.3965(6), c = 10.2153(7) Å, β= 92.040(1)°, V=743.92(9) Å³, Z = 2, ρ_calcd = 2.079 Mg m^-3, R₁ =0.0508, wR₂ = 0.1239, μ= 4.448 mm^-1, S = 1.043; Flack = 0.04(5), 2: C₆H ₁₀D₄ClO₁₂Eu, M_r = 469.61, monoclinic, C₂, a = 8.689(2), b =8.410(2), c = 10.224(3) Å, β = 92.057(4)°, V = 746.7(3) Å³, Z = 2, ρ_calcd = 2.089 Mg m^-3, R₁ = 0.0465, wR ₂ = 0.1150, μ = 4.432 mm^-1, S = 1.058; Flack = 0.02(5).

Original language	English
Pages (from-to)	3452-3456
Number of pages	5
Journal	Chemistry - A European Journal
Volume	14
Issue number	11
DOIs	https://doi.org/10.1002/chem.200701449
Publication status	Published - 2008 Apr 7
Externally published	Yes

Keywords

Dielectric anisotropy
Europium
Organic-inorganic hybrid composites
Structure elucidation

ASJC Scopus subject areas

Catalysis
Organic Chemistry

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@article{d109985928114b088aad4913a10b657c,

title = "Homochiral laminar europium metal-organic framework with unprecedented giant dielectric anisotropy",

abstract = "Hydrothermal (deuteratothermal) reaction of L-ethyl lactate (Lig-Et) with Eu(ClO4)3·6 H2O gives colorless block crystals of [Eu(Lig)2-(X2O)2][ClO4] (1, X = H; 2, X = D) both of which possess a two-dimensional laminar homochiral framework. Single-crystal dielectric measurements reveal that 1 and 2 display a giant dielectric anisotropy approximately exceeding 100 and large isotopic effect with about 54% enhancement along the a axis. Their ferroelectric features further confirm this respect. Crystal parameters: 1, C6H 14ClO12Eu, Mr = 465.58, monoclinic, C 2, a=8.6786(6), b=8.3965(6), c = 10.2153(7) {\AA}, β= 92.040(1)°, V=743.92(9) {\AA}3, Z = 2, ρcalcd = 2.079 Mg m-3, R1 =0.0508, wR2 = 0.1239, μ= 4.448 mm-1, S = 1.043; Flack = 0.04(5), 2: C6H 10D4ClO12Eu, Mr = 469.61, monoclinic, C2, a = 8.689(2), b =8.410(2), c = 10.224(3) {\AA}, β = 92.057(4)°, V = 746.7(3) {\AA}3, Z = 2, ρcalcd = 2.089 Mg m-3, R1 = 0.0465, wR 2 = 0.1150, μ = 4.432 mm-1, S = 1.058; Flack = 0.02(5).",

keywords = "Dielectric anisotropy, Europium, Organic-inorganic hybrid composites, Structure elucidation",

author = "Qu, {Zhi Rong} and Qiong Ye and Hong Zhao and Fu, {Da Wei} and Ye, {Heng Yun} and Xiong, {Ren Gen} and Tomoyuki Akutagawa and Takayoshi Nakamura",

year = "2008",

month = apr,

day = "7",

doi = "10.1002/chem.200701449",

language = "English",

volume = "14",

pages = "3452--3456",

journal = "Chemistry - A European Journal",

issn = "0947-6539",

publisher = "Wiley-VCH Verlag",

number = "11",

}

TY - JOUR

T1 - Homochiral laminar europium metal-organic framework with unprecedented giant dielectric anisotropy

AU - Qu, Zhi Rong

AU - Ye, Qiong

AU - Zhao, Hong

AU - Fu, Da Wei

AU - Ye, Heng Yun

AU - Xiong, Ren Gen

AU - Akutagawa, Tomoyuki

AU - Nakamura, Takayoshi

PY - 2008/4/7

Y1 - 2008/4/7

N2 - Hydrothermal (deuteratothermal) reaction of L-ethyl lactate (Lig-Et) with Eu(ClO4)3·6 H2O gives colorless block crystals of [Eu(Lig)2-(X2O)2][ClO4] (1, X = H; 2, X = D) both of which possess a two-dimensional laminar homochiral framework. Single-crystal dielectric measurements reveal that 1 and 2 display a giant dielectric anisotropy approximately exceeding 100 and large isotopic effect with about 54% enhancement along the a axis. Their ferroelectric features further confirm this respect. Crystal parameters: 1, C6H 14ClO12Eu, Mr = 465.58, monoclinic, C 2, a=8.6786(6), b=8.3965(6), c = 10.2153(7) Å, β= 92.040(1)°, V=743.92(9) Å3, Z = 2, ρcalcd = 2.079 Mg m-3, R1 =0.0508, wR2 = 0.1239, μ= 4.448 mm-1, S = 1.043; Flack = 0.04(5), 2: C6H 10D4ClO12Eu, Mr = 469.61, monoclinic, C2, a = 8.689(2), b =8.410(2), c = 10.224(3) Å, β = 92.057(4)°, V = 746.7(3) Å3, Z = 2, ρcalcd = 2.089 Mg m-3, R1 = 0.0465, wR 2 = 0.1150, μ = 4.432 mm-1, S = 1.058; Flack = 0.02(5).

AB - Hydrothermal (deuteratothermal) reaction of L-ethyl lactate (Lig-Et) with Eu(ClO4)3·6 H2O gives colorless block crystals of [Eu(Lig)2-(X2O)2][ClO4] (1, X = H; 2, X = D) both of which possess a two-dimensional laminar homochiral framework. Single-crystal dielectric measurements reveal that 1 and 2 display a giant dielectric anisotropy approximately exceeding 100 and large isotopic effect with about 54% enhancement along the a axis. Their ferroelectric features further confirm this respect. Crystal parameters: 1, C6H 14ClO12Eu, Mr = 465.58, monoclinic, C 2, a=8.6786(6), b=8.3965(6), c = 10.2153(7) Å, β= 92.040(1)°, V=743.92(9) Å3, Z = 2, ρcalcd = 2.079 Mg m-3, R1 =0.0508, wR2 = 0.1239, μ= 4.448 mm-1, S = 1.043; Flack = 0.04(5), 2: C6H 10D4ClO12Eu, Mr = 469.61, monoclinic, C2, a = 8.689(2), b =8.410(2), c = 10.224(3) Å, β = 92.057(4)°, V = 746.7(3) Å3, Z = 2, ρcalcd = 2.089 Mg m-3, R1 = 0.0465, wR 2 = 0.1150, μ = 4.432 mm-1, S = 1.058; Flack = 0.02(5).

KW - Dielectric anisotropy

KW - Europium

KW - Organic-inorganic hybrid composites

KW - Structure elucidation

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U2 - 10.1002/chem.200701449

DO - 10.1002/chem.200701449

M3 - Article

C2 - 18266305

AN - SCOPUS:48049109971

VL - 14

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EP - 3456

JO - Chemistry - A European Journal

JF - Chemistry - A European Journal

SN - 0947-6539

IS - 11

ER -

Homochiral laminar europium metal-organic framework with unprecedented giant dielectric anisotropy

Abstract

Keywords

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