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| Names | |
|---|---|
| IUPAC name
oxoboron
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| Identifiers | |
3D model (JSmol)
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PubChem CID
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| Properties | |
| BO | |
| Molar mass | 26.81 g/mol |
| Appearance | white powder |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Boron monoxide (BO) is a binary compound of boron and oxygen. It has a molar mass of 26.81 g/mol. The material was first reported in 1940,[1] with a modified synthetic procedure published in 1955,[2] however, the material's structure had remained unknown for nearly a century. A number of allotropes of BO have been theorized ranging from molecular species, to 1D, 2D, and 3D-structured materials,[3][4][5] but these were difficult to differentiate using common structural characterization methods. Recent work suggests that the material forms 2D nanosheets composed of O-bridged B4O2 rings, a structure initially postulated in 1961.[6][7] Due to the lack of precise structural information on the identity of the compound, it has not found widespread use in industry.
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Transcription
Synthesis
Boron monoxide is typically produced through the condensation of tetrahydroxydiboron (chemical formula; B2(OH)4) at temperatures of 200–500°C.[2] The use of higher temperatures (700°C) leads to the formation of hard B2O3 glasses. These glasses generally have a dark appearance, from the dissolved elemental boron, and are also produced directly through the dissolution of B into B2O3.[1]
BO has been used in the synthesis of B2Cl4,[6] which served as the only evidence, until 2010,[3] of the preservation of the B–B bond present in the precursor compound.
See also
References
- ^ a b Zintl, E.; Morawietz, W.; Gastinger, E. (1940-10-03). "Bormonoxyd". Zeitschrift für anorganische und allgemeine Chemie (in German). 245 (1): 8–11. doi:10.1002/zaac.19402450102. ISSN 0863-1786.
- ^ a b Wartik, Thomas; Apple, Eugene F. (1955-12-01). "A NEW MODIFICATION OF BORON MONOXIDE". Journal of the American Chemical Society. 77 (23): 6400–6401. doi:10.1021/ja01628a116. ISSN 0002-7863.
- ^ a b Claeyssens, Frederik; Allan, Neil L.; Norman, Nicholas C.; Russell, Christopher A. (2010-09-30). "Design of three-dimensional solid-state boron oxide networks: Ab initio calculations using density functional theory". Physical Review B. 82 (9): 094119. doi:10.1103/PhysRevB.82.094119.
- ^ Li, Da-Zhi; Bai, Hui; Chen, Qiang; Lu, Haigang; Zhai, Hua-Jin; Li, Si-Dian (2013-06-28). "Perfectly planar boronyl boroxine D3h B6O6: A boron oxide analog of boroxine and benzene". The Journal of Chemical Physics. 138 (24): 244304. doi:10.1063/1.4811330. ISSN 0021-9606.
- ^ Liu, Y.; Liu, C.; Pu, L.; Zhang, Z.; King, R. B. (2017-03-14). "Boron monoxide dimer as a building block for boroxine based buckyballs and related cages: a theoretical study". Chemical Communications. 53 (22): 3239–3241. doi:10.1039/C6CC09489A. ISSN 1364-548X.
- ^ a b McCloskey, A. L.; Brotherton, R. J.; Boone, J. L. (December 1961). "The Preparation of Boron Monoxide and its Conversion to Diboron Tetrachloride1". Journal of the American Chemical Society. 83 (23): 4750–4754. doi:10.1021/ja01484a015. ISSN 0002-7863.
- ^ Perras, Frédéric A. (June 28, 2023). "The Structure of Boron Monoxide". J. Am. Chem. Soc. doi:10.1021/jacs.3c02070 – via ACS Publications.
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This page was last edited on 13 December 2023, at 09:24