六 氟化碲
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Tellurium hexafluoride | |||
别名 | 氟化碲(VI) | ||
识别 | |||
CAS |
7783-80-4 | ||
PubChem | 24559 | ||
SMILES |
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InChI |
| ||
EINECS | 232-027-0 | ||
TeF6 | |||
241.590 g/mol g·mol⁻¹ | |||
无色气体 | |||
恶臭气味 | |||
0.0106 g/cm3 (-10 °C) 4.006 g/cm3 (-191 °C) | |||
熔点 | −38.9 °C(234.2 K)[1] | ||
−37.6 °C(236 K) | |||
>1 atm (20°C)[2] | |||
−66.0·10−6 cm3/mol | |||
D |
1.0009 | ||
结构 | |||
Pnma, No. 62 | |||
octahedral (Oh) | |||
偶极 |
0 | ||
热力 | |||
-1318 kJ/mol | |||
热容 | 117.6 J/(mol K) | ||
危险 | |||
PEL | TWA 0.02 ppm (0.2 mg/m3)[2] | ||
LCLo(
|
5 ppm (rat, 4 hr) 5 ppm (mouse, 1 hr) 5 ppm (rabbit, 4 hr) 5 ppm (guinea pig, 4 hr)[3] | ||
制 备
[编辑]- Te + 3 F2 —>150℃→ TeF6
氟和
物理 性 质
[编辑]六氟化碲是高度对称的八面体分子,挥发
化学 性 质
[编辑]虽然碲
六氟化碲和水反应,
- TeF6+6 H2O->Te(OH)6+6 HF
参考 文献
[编辑]- ^ CRC Handbook of Chemistry and Physics, 90. Auflage, CRC Press, Boca Raton, Florida, 2009, ISBN 978-1-4200-9084-0, Section 4, Physical Constants of Inorganic Compounds, p. 4-95.
- ^ 2.0 2.1 NIOSH Pocket Guide to Chemical Hazards. #0588. NIOSH.
- ^ Tellurium hexafluoride (as Te). Immediately Dangerous to Life and Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).
- ^
朱 文 祥 . 无机化合 物 制 备手册 .化学 工 业出版 社 . pp 747 【XVI-256】六 氟化碲
拓 展 阅读
[编辑]- W.C. Cooper; Tellurium, Van Nostrand Reinhold Company, New York, USA, 1971.
- K.W. Bagnall; The Chemistry of Selenium, Tellurium and Polonium, Elsevier Publishing, New York, 1966.
- R.T. Sanderson; Chemical Periodicity, Reinhold, New York, USA, 1960.
- N.N. Greenwood and A. Earnshaw; Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
- F. A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann; Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
- G.J. Hathaway, N.H. Proctor; Chemical Hazards of the Workplace, 5th edition, Wiley-Interscience, New Jersey, 2004.
- Web Elements (页面
存 档备份,存 于互联网档案 馆) - OSHA
- CDC - NIOSH Pocket Guide to Chemical Hazards (页面
存 档备份,存 于互联网档案 馆)
参 见
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