[NH{sub 3}CH{sub 2}CHCH{sub 3}NH{sub 3}][B{sub 8}O{sub 11}(OH){sub 4}].H{sub 2}O: Synthesis and characterization of the first 1D borate templated by 1,2-diaminopropane
Journal Article
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· Journal of Solid State Chemistry
OSTI ID:21015808
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002 (China)
- Department of Chemistry, Teachers College of Qingdao University, Qingdao, Shandong 266071 (China)
A new hydrated borate compound, [NH{sub 3}CH{sub 2}CHCH{sub 3}NH{sub 3}]][B{sub 8}O{sub 11}(OH){sub 4}].H{sub 2}O 1, has been synthesized in the presence of 1,2-diaminopropane acting as a structure-directing agent under mild conditions. Its structure was determined by single crystal X-ray diffraction and further characterized FTIR, elemental analysis, powder X-ray diffraction and thermogravimetric analysis. Compound 1 crystallizes in the monoclinic system, space group P2{sub 1} /c (No. 14), a=10.0787(7) A, b=8.8482(6) A, c=19.3097(4) A, {beta}=91.352(6){sup o}, V=1721.53(2) A{sup 3}, and Z=4. The structure consists of infinite open-branched borate chains constructed from [B{sub 3}O{sub 6}(OH)] units, onto which the [B{sub 5}O{sub 7}(OH){sub 3}] groups are grafted. It represents the first example of one-dimensional borate templated by an organic amine. The adjacent borate chains are further linked together by extensive hydrogen bonds to form a 3D supramolecular network. The diprotonated organic amines and guest water molecules are filled in the free space of the hydrogen-bonded network and interact with the inorganic framework by extensive hydrogen bonds. - Graphical abstract: One new organically templated borate [NH{sub 3}CH{sub 2}CHCH{sub 3}NH{sub 3}]][B{sub 8}O{sub 11}(OH){sub 4}].H{sub 2}O 1, has been synthesized under mild hydrothermal conditions. Its structure features an unusual open-branched borate chain constructed from [B{sub 3}O{sub 6}(OH)] groups, onto which the [B{sub 5}O{sub 7}(OH){sub 3}] groups are grafted. It is the first instance of 1D borate templated by the organic amine. Adjacent borate chains are linked together by multipoint bonds to form interesting three-dimensional network with rhombus-like channels, in which the guest water and diprotonated organic amine molecules reside.
- OSTI ID:
- 21015808
- Journal Information:
- Journal of Solid State Chemistry, Journal Name: Journal of Solid State Chemistry Journal Issue: 5 Vol. 180; ISSN 0022-4596; ISSN JSSCBI
- Country of Publication:
- United States
- Language:
- English
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