六氯合錸(IV)酸鉀

六氯合錸(IV)酸鉀
識別
CAS號	16940-97-9
PubChem	10939720
ChemSpider	9114955
SMILES	Cl[Re-2](Cl)(Cl)(Cl)(Cl)Cl.[K+].[K+];
EINECS	241-008-6
性質
化學式	K2ReCl6
摩爾質量	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
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)
熱容	214.8 J/(K·mol)
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。

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。

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]

它和硝酸銀反應，生成六氯合錸(IV)酸銀，這種銀配合物在400 °C分解為三氯化錸。^[6]

它在水中水解為二氧化錸。^[1]

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）.

[hydrolysis-1] 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）.

[thermo-2] 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）.

[syn-3] 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）.

[4] 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）.

[5] 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）.

[6] 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）.

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