Five new rubidium borates with 0D clusters, 1D chains, 2D layers and 3D frameworks

Qi Ming Qiu; Ke Ning Sun; Guo Yu Yang

doi:10.1039/d1ce00944c

Five new rubidium borates with 0D clusters, 1D chains, 2D layers and 3D frameworks

Qi Ming Qiu, Ke Ning Sun, Guo Yu Yang^*

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Beijing Institute of Technology

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

11 Citations (Scopus)

Abstract

Five new rubidium borates, namely Na_1/3Rb_5/3[B₄O₅(OH)₄] (1), Rb₄[B₁₂O₁₈(OH)₄] (2), Rb₂Ba[B₁₂O₁₈(OH)₄] (3), Rb₂[B₅O₈(OH)] (4) and NaRb_0.5[B₆O₁₀]·0.5H₃O (5) have been synthesized under solvothermal conditions. Compound1features a 0D structure composed of [B₄O₅(OH)₄]²⁻clusters. After changing the metal salt, new cyclic [B₁₂O₂₀(OH)₄]⁸⁻clusters in2and3are formed, resulting in 1D chains. Such a chain structure is first discovered in dodecaborates. By tuning the reaction temperature and pH of the reaction media, compound4with a 4-connected 2D oxoboron layer constructed from partially protonated [B₅O₁₀(OH)]⁶⁻and compound5with a 6-connected 3D framework constructed from [B₆O₁₃]⁸⁻clusters are successfully isolated. Since compounds1and4crystallize in the non-centrosymmetric (NCS) space group, second harmonic generation (SHG) measurements and dipole moment calculations have been carried out. The SHG response of4is 2.0 times that of KH₂PO₄(KDP), which is higher than those of related analogues.

Original language	English
Pages (from-to)	7081-7089
Number of pages	9
Journal	CrystEngComm
Volume	23
Issue number	40
DOIs	https://doi.org/10.1039/d1ce00944c
Publication status	Published - 28 Oct 2021

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title = "Five new rubidium borates with 0D clusters, 1D chains, 2D layers and 3D frameworks",

abstract = "Five new rubidium borates, namely Na1/3Rb5/3[B4O5(OH)4] (1), Rb4[B12O18(OH)4] (2), Rb2Ba[B12O18(OH)4] (3), Rb2[B5O8(OH)] (4) and NaRb0.5[B6O10]·0.5H3O (5) have been synthesized under solvothermal conditions. Compound1features a 0D structure composed of [B4O5(OH)4]2−clusters. After changing the metal salt, new cyclic [B12O20(OH)4]8−clusters in2and3are formed, resulting in 1D chains. Such a chain structure is first discovered in dodecaborates. By tuning the reaction temperature and pH of the reaction media, compound4with a 4-connected 2D oxoboron layer constructed from partially protonated [B5O10(OH)]6−and compound5with a 6-connected 3D framework constructed from [B6O13]8−clusters are successfully isolated. Since compounds1and4crystallize in the non-centrosymmetric (NCS) space group, second harmonic generation (SHG) measurements and dipole moment calculations have been carried out. The SHG response of4is 2.0 times that of KH2PO4(KDP), which is higher than those of related analogues.",

author = "Qiu, {Qi Ming} and Sun, {Ke Ning} and Yang, {Guo Yu}",

note = "Publisher Copyright: {\textcopyright} The Royal Society of Chemistry 2021.",

year = "2021",

month = oct,

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doi = "10.1039/d1ce00944c",

language = "English",

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AU - Qiu, Qi Ming

AU - Sun, Ke Ning

AU - Yang, Guo Yu

PY - 2021/10/28

Y1 - 2021/10/28

N2 - Five new rubidium borates, namely Na1/3Rb5/3[B4O5(OH)4] (1), Rb4[B12O18(OH)4] (2), Rb2Ba[B12O18(OH)4] (3), Rb2[B5O8(OH)] (4) and NaRb0.5[B6O10]·0.5H3O (5) have been synthesized under solvothermal conditions. Compound1features a 0D structure composed of [B4O5(OH)4]2−clusters. After changing the metal salt, new cyclic [B12O20(OH)4]8−clusters in2and3are formed, resulting in 1D chains. Such a chain structure is first discovered in dodecaborates. By tuning the reaction temperature and pH of the reaction media, compound4with a 4-connected 2D oxoboron layer constructed from partially protonated [B5O10(OH)]6−and compound5with a 6-connected 3D framework constructed from [B6O13]8−clusters are successfully isolated. Since compounds1and4crystallize in the non-centrosymmetric (NCS) space group, second harmonic generation (SHG) measurements and dipole moment calculations have been carried out. The SHG response of4is 2.0 times that of KH2PO4(KDP), which is higher than those of related analogues.

AB - Five new rubidium borates, namely Na1/3Rb5/3[B4O5(OH)4] (1), Rb4[B12O18(OH)4] (2), Rb2Ba[B12O18(OH)4] (3), Rb2[B5O8(OH)] (4) and NaRb0.5[B6O10]·0.5H3O (5) have been synthesized under solvothermal conditions. Compound1features a 0D structure composed of [B4O5(OH)4]2−clusters. After changing the metal salt, new cyclic [B12O20(OH)4]8−clusters in2and3are formed, resulting in 1D chains. Such a chain structure is first discovered in dodecaborates. By tuning the reaction temperature and pH of the reaction media, compound4with a 4-connected 2D oxoboron layer constructed from partially protonated [B5O10(OH)]6−and compound5with a 6-connected 3D framework constructed from [B6O13]8−clusters are successfully isolated. Since compounds1and4crystallize in the non-centrosymmetric (NCS) space group, second harmonic generation (SHG) measurements and dipole moment calculations have been carried out. The SHG response of4is 2.0 times that of KH2PO4(KDP), which is higher than those of related analogues.

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Five new rubidium borates with 0D clusters, 1D chains, 2D layers and 3D frameworks

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