Syntheses and structures of the first two tetra-scandium substituted polyoxometalates - Details

author：

Cai, Z.-W. (Cai, Z.-W..) ^[1] | Liu, B.-X. (Liu, B.-X..) ^[2] | Yang, T. (Yang, T..) ^[3] | Li, X.-X. (Li, X.-X..) ^[4] | Zheng, S.-T. (Zheng, S.-T..) ^[5]

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Abstract：

The　first　two　tetra-Sc-substituted　polyoxotungstates　H2K2Na2[Sc4(H2O)10(B-β-SbW9O33)2]·21H2O　(1)　and　H20K2Na6[Sc4(C2O4)4(B-β-SbW9O33)2][Sc4(H2O)2(C2O4)4(B-β-SbW9O33)2]·64H2O　(2)　have　been　synthesized　and　characterized　by　IR　spectroscopy,　AC　impedance　measurements,　TG,　PXRD,　and　single-crystal　X-ray　diffractions.　Compound　1　represents　an　isolated　inorganic　sandwich-type　dimeric　POM　constructed　from　two　trilacunary　Keggin　[B-β-SbW9O33]9 −　moieties　and　four　Sc3 +　ions,　while　compound　2　shows　an　extended　organic–inorganic　hybrid　POM　which　composes　of　two　kinds　of　distinct　tetra-Sc-substituted　polyoxotungstate　building　units　and　oxalate　ligands.　Notably,　these　two　compounds　also　are　the　first　Sc-containing　polyoxotungstates　based　on　trilacunary　Keggin　[B-β-SbW9O33]9 −　clusters.　Electrochemical　study　showed　that　compound　2　has　good　proton　conductivity.　©　2017　Elsevier　B.V.

Keyword：

Lacunary polyoxometalate; Polyoxotungstate; Proton conductivity; Scandium

Community：

[ 1 ] [Cai, Z.-W.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
[ 2 ] [Liu, B.-X.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
[ 3 ] [Yang, T.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
[ 4 ] [Li, X.-X.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
[ 5 ] [Li, X.-X.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
[ 6 ] [Zheng, S.-T.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
[ 7 ] [Zheng, S.-T.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China

Reprint 's Address：

[Zheng, S.-T.]State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou UniversityChina

Email：

stzheng@fzu.edu.cn

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Source ：

Inorganic Chemistry Communications

ISSN： 1387-7003

Year： 2017

Volume： 80

Page： 1-5

1 . 8 1

JCR@2017

4 . 4 0 0

JCR@2023

ESI HC Threshold：226

JCR Journal Grade：3

CAS Journal Grade：4

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ESI Highly Cited Papers on the List： 0 Unfold All

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30 Days PV： 0

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