Hydrothermal Syntheses and Structures of Two Tetra-CoII Substituted Sandwiched Polyoxometalates

Han Xue; Zhong Zhang; Bai Feng Yang; Hong Sheng Liu; Guo Yu Yang

doi:10.1007/s10876-016-1010-2

Hydrothermal Syntheses and Structures of Two Tetra-Co^II Substituted Sandwiched Polyoxometalates

Han Xue
, Zhong Zhang
, Bai Feng Yang
, Hong Sheng Liu
, Guo Yu Yang^*

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

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

6 Citations (Scopus)

Abstract

Two tetra-Co^II substituted sandwich-type polyoxotungstate, H₃[Co(en)₂]_0.5[Co(en)₂(H₂O)]₂[Co(en)(H₂O)]₂[Co₄(en)(B-α-SiW₉O₃₄)₂]·9H₂O (1, en = ethylenediamine) and [Co(mea)₂(2,2′-pby)]₂[Co₄(Hppz)₂(B-α-PW₉O₃₄)₂]·2H₂ppz·8H₂O (2, mea = monoethanolamine, 2,2′-bpy = 2,2′-bipyridine, ppz = piperazine), have been synthesized under hydrothermal conditions and characterized by IR spectroscopy, UV spectroscopy, TG, powder XRD and single-crystal X-ray structural analysis, respectively. Compound 1 exhibits a layer, in which the en molecules and [Co(en)₂]²⁺ cations as the linkers connect [Co₄(B-α-SiW₉O₃₄)₂]¹²⁻ clusters to form the layer. Compound 2 shows a supramolecular layer built by [Co₄(Hppz)₂(B-α-PW₉O₃₄)₂]⁸⁻ cluster units via N–H···O H-bond interactions, in which three types of organic amine ligands are included.

Original language	English
Pages (from-to)	1439-1449
Number of pages	11
Journal	Journal of Cluster Science
Volume	27
Issue number	4
DOIs	https://doi.org/10.1007/s10876-016-1010-2
Publication status	Published - 1 Jul 2016

Keywords

Cluster
Hydrothermal synthesis
Polyoxometalate
Sandwich-type structure

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title = "Hydrothermal Syntheses and Structures of Two Tetra-CoII Substituted Sandwiched Polyoxometalates",

abstract = "Two tetra-CoII substituted sandwich-type polyoxotungstate, H3[Co(en)2]0.5[Co(en)2(H2O)]2[Co(en)(H2O)]2[Co4(en)(B-α-SiW9O34)2]·9H2O (1, en = ethylenediamine) and [Co(mea)2(2,2′-pby)]2[Co4(Hppz)2(B-α-PW9O34)2]·2H2ppz·8H2O (2, mea = monoethanolamine, 2,2′-bpy = 2,2′-bipyridine, ppz = piperazine), have been synthesized under hydrothermal conditions and characterized by IR spectroscopy, UV spectroscopy, TG, powder XRD and single-crystal X-ray structural analysis, respectively. Compound 1 exhibits a layer, in which the en molecules and [Co(en)2]2+ cations as the linkers connect [Co4(B-α-SiW9O34)2]12− clusters to form the layer. Compound 2 shows a supramolecular layer built by [Co4(Hppz)2(B-α-PW9O34)2]8− cluster units via N–H···O H-bond interactions, in which three types of organic amine ligands are included.",

keywords = "Cluster, Hydrothermal synthesis, Polyoxometalate, Sandwich-type structure",

author = "Han Xue and Zhong Zhang and Yang, \{Bai Feng\} and Liu, \{Hong Sheng\} and Yang, \{Guo Yu\}",

note = "Publisher Copyright: {\textcopyright} 2016, Springer Science+Business Media New York.",

year = "2016",

month = jul,

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doi = "10.1007/s10876-016-1010-2",

language = "English",

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T1 - Hydrothermal Syntheses and Structures of Two Tetra-CoII Substituted Sandwiched Polyoxometalates

AU - Xue, Han

AU - Zhang, Zhong

AU - Yang, Bai Feng

AU - Liu, Hong Sheng

AU - Yang, Guo Yu

PY - 2016/7/1

Y1 - 2016/7/1

N2 - Two tetra-CoII substituted sandwich-type polyoxotungstate, H3[Co(en)2]0.5[Co(en)2(H2O)]2[Co(en)(H2O)]2[Co4(en)(B-α-SiW9O34)2]·9H2O (1, en = ethylenediamine) and [Co(mea)2(2,2′-pby)]2[Co4(Hppz)2(B-α-PW9O34)2]·2H2ppz·8H2O (2, mea = monoethanolamine, 2,2′-bpy = 2,2′-bipyridine, ppz = piperazine), have been synthesized under hydrothermal conditions and characterized by IR spectroscopy, UV spectroscopy, TG, powder XRD and single-crystal X-ray structural analysis, respectively. Compound 1 exhibits a layer, in which the en molecules and [Co(en)2]2+ cations as the linkers connect [Co4(B-α-SiW9O34)2]12− clusters to form the layer. Compound 2 shows a supramolecular layer built by [Co4(Hppz)2(B-α-PW9O34)2]8− cluster units via N–H···O H-bond interactions, in which three types of organic amine ligands are included.

AB - Two tetra-CoII substituted sandwich-type polyoxotungstate, H3[Co(en)2]0.5[Co(en)2(H2O)]2[Co(en)(H2O)]2[Co4(en)(B-α-SiW9O34)2]·9H2O (1, en = ethylenediamine) and [Co(mea)2(2,2′-pby)]2[Co4(Hppz)2(B-α-PW9O34)2]·2H2ppz·8H2O (2, mea = monoethanolamine, 2,2′-bpy = 2,2′-bipyridine, ppz = piperazine), have been synthesized under hydrothermal conditions and characterized by IR spectroscopy, UV spectroscopy, TG, powder XRD and single-crystal X-ray structural analysis, respectively. Compound 1 exhibits a layer, in which the en molecules and [Co(en)2]2+ cations as the linkers connect [Co4(B-α-SiW9O34)2]12− clusters to form the layer. Compound 2 shows a supramolecular layer built by [Co4(Hppz)2(B-α-PW9O34)2]8− cluster units via N–H···O H-bond interactions, in which three types of organic amine ligands are included.

KW - Cluster

KW - Hydrothermal synthesis

KW - Polyoxometalate

KW - Sandwich-type structure

UR - https://www.scopus.com/pages/publications/84976262113

U2 - 10.1007/s10876-016-1010-2

DO - 10.1007/s10876-016-1010-2

M3 - Article

AN - SCOPUS:84976262113

SN - 1040-7278

VL - 27

SP - 1439

EP - 1449

JO - Journal of Cluster Science

JF - Journal of Cluster Science

IS - 4

ER -

Hydrothermal Syntheses and Structures of Two Tetra-Co^II Substituted Sandwiched Polyoxometalates

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Keywords

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