Boron arsenide
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Boron arsenide (or Arsenic boride) is a chemical compound involving boron and arsenic, usually with a chemical formula BAs. Other boron arsenide compounds are known, such as the subarsenide B12As2. Chemical synthesis of cubic BAs is very challenging and its single crystal forms usually have defects.
Quick Facts Identifiers, Properties ...
Identifiers | |
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3D model (JSmol) |
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ChemSpider | |
PubChem CID |
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Properties | |
BAs | |
Molar mass | 85.733 g/mol[1] |
Appearance | Brown cubic crystals[1] |
Density | 5.22 g/cm3[1] |
Melting point | 1,100 °C (2,010 °F; 1,370 K) decomposes[1] |
Insoluble | |
Band gap | 1.82 eV |
Thermal conductivity | 1300 W/(m·K) (300 K) |
Structure[2] | |
Cubic (sphalerite), cF8, No. 216 | |
F43m | |
a = 0.4777 nm | |
Formula units (Z) |
4 |
Related compounds | |
Other anions |
Boron nitride Boron phosphide Boron antimonide |
Other cations |
Aluminium arsenide Gallium arsenide Indium arsenide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Quick Facts Identifiers, Properties ...
Identifiers | |
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Properties | |
B12As2 | |
Molar mass | 279.58 g/mol |
Density | 3.56 g/cm3[3] |
Insoluble | |
Band gap | 3.47 eV |
Structure[4] | |
Rhombohedral, hR42, No. 166 | |
R3m | |
a = 0.6149 nm, b = 0.6149 nm, c = 1.1914 nm α = 90°, β = 90°, γ = 120° | |
Formula units (Z) |
6 |
Related compounds | |
Other anions |
Boron suboxide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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