六氯合錸(IV)酸鉀
化合物
六氯合錸(IV)酸鉀或氯錸酸鉀是一種無機化合物,化學式為K2ReCl6,它是可溶於鹽酸的淺綠色固體。
六氯合錸(IV)酸鉀 | |
---|---|
![]() | |
識別 | |
CAS號 | 16940-97-9 ![]() |
PubChem | 10939720 |
ChemSpider | 9114955 |
SMILES |
|
EINECS | 241-008-6 |
性質 | |
化學式 | K2ReCl6 |
莫耳質量 | 477.12 g/mol g·mol⁻¹ |
外觀 | 淺綠色固體 |
密度 | 3.31 g/cm3 |
溶解性(水) | 可溶,緩慢水解[1] |
溶解性 | 可溶於鹽酸 |
結構 | |
晶體結構 | cubic |
空間群 | Fm3m |
晶格常數 | a = 9.84 Å |
晶格常數 | α = 90°, β = 90°, γ = 90° |
熱力學 | |
S⦵298K | 372.0 J/(K·mol)[2] |
熱容 | 214.8 J/(K·mol)[2] |
危險性 | |
GHS危險性符號![]() | |
GHS提示詞 | Danger |
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。 |
製備與反應
編輯六氯合錸(IV)酸鉀可由高錸酸鉀在鹽酸存在下經碘化鉀、次磷酸或氯化亞鉻還原得到。[3][4][5]
參考文獻
編輯- ^ 1.0 1.1 M. Pavlova; N. Jordanov; N. Popova. The hydrolysis of potassium hexachlororhenate. Journal of Inorganic and Nuclear Chemistry. 1974, 36 (12): 3845–3847. doi:10.1016/0022-1902(74)80175-2 (英語).
- ^ 2.0 2.1 R. H. Busey; H. H. Dearman; R. B. Bevan Jr. THE HEAT CAPACITY OF POTASSIUM HEXACHLORORHENATE(IV) FROM 7 TO 320K. ANOMALIES NEAR 12, 76, 103, AND 111K. ENTROPY AND FREE ENERGY FUNCTIONS. SOLUBILITY AND HEAT OF SOLUTION OF K2ReCl6. ENTROPY OF THE HEXACHLORORHENATE ION1. The Journal of Physical Chemistry. 1962, 66 (1): 82–89. doi:10.1021/j100807a017 (英語).
- ^ Loren C. Hurd; Victor A. Reinders; W. A. Taebel; B. S. Hopkins. Potassium Chlororhenite. Booth, Harold (編). Inorganic Syntheses 1. The McGraw-Hill Book Company. 1939: 178–180 [12 November 2023]. ISBN 9780470131602. doi:10.1002/9780470132326.ch61 (英語).
- ^ Villiers W. Meloche; Ronald Martin. Synthesis of Potassium Hexachlororhenate and Potassium Hexabromorhenate. Journal of the American Chemical Society. 1956, 78 (22): 5955–5956. doi:10.1021/ja01603a067 (英語).
- ^ George W. Watt; Richard J. Thompson; Jean M. Gibbons. Potassium Hexachlororhenate(IV) and Potassium Hexabromorhenate(IV). Kleinberg, Jacob (編). Inorganic Syntheses 7th. McGraw-Hill Book Company. 1963: 189–192 [12 November 2023]. ISBN 9780470131664. doi:10.1002/9780470132388.ch51 (英語).
- ^ J. P. King; J. W. Cobble. The Thermodynamic Properties of Technetium and Rhenium Compounds. VII. Heats of Formation of Rhenium Trichloride and Rhenium Tribromide. Free Energies and Entropies. Journal of the American Chemical Society. 1960, 82 (9): 2111–2113. doi:10.1021/ja01494a005 (英語).