Oxidizing Rhodium with Sulfuric Acid: The Sulfates Rh2(SO4)3 and Rh2(SO4)3•2H2O

被引：4

作者：

Schwarzer, Stefan ^{[2
]}

Betke, Annika ^{[1
]}

Logemann, Christian ^{[1
]}

Wickleder, Mathias S. ^{[1
]}

机构：

[1] Justus Liebig Univ Giessen, Inst Inorgan & Analyt Chem, Heinrich Buff Ring 17, D-35392 Giessen, Germany

[2] IPN Leibniz Inst Sci & Math Educ, Dept Chem Educ, Olshausenstr 62, D-24118 Kiel, Germany

来源：

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2017年 / 03期

关键词：

Rhodium; Sulfate; X-ray diffraction; Thermal decomposition; Coordination modes; CRYSTAL-STRUCTURES; THERMAL-BEHAVIOR; ANHYDROUS SULFATES; X-RAY; FE2(SO4)3; ANION; ION;

D O I：

10.1002/ejic.201601247

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The reaction of elemental rhodium and concentrated sulfuric acid (97 %) at 400 degrees C leads to red plate-shaped single crystals of Rh-2(SO4)(3) [trigonal, R3, Z = 6, a = 806.8(1) pm, c = 2204.8(4) pm, V = 1242.8(4) x 10 (6) pm(3)]. The same reaction carried out at a temperature of 475 degrees C leads to orange crystals of Rh-2(SO4)(3) center dot 2H(2)O [orthorhombic, Pnma, Z = 4, a = 920.46(2) pm, b = 1244.47(3) pm, c = 833.37(2) pm, V = 954.61(4) x 10 (6) pm(3)]. Thermal analysis and X-ray powder diffraction measurements were performed to investigate the decomposition and resulting residues of the compounds. For both compounds the decomposition occurs through two steps and is finished at around 1000 degrees C at the stage of elemental rhodium. Additionally both sulfates were characterized by means of IR spectroscopy.

引用

页码：752 / 758

页数：7

共 50 条

[1] INFRARED AND RAMAN-SPECTROSCOPY OF THE DIRHODIUM TETRAACETATE COMPLEXES RH2(O2CCH3)4, RH2(18O2CCH3)4, RH2(O2CCD3)4 AND RH2(O2CCH3)4(H2O)2
CLARK, RJH
HEMPLEMAN, AJ
[J]. CROATICA CHEMICA ACTA, 1988, 61 (02) : 313 - 329
[2] Synthesis and structure of acid transition metal sulfates - Ti(H5O2)(SO4)(2)(H2O)(2) and Zr(H3O)(2)(SO4)(3)
Trojanov, S
Stiewe, A
Kemnitz, E
[J]. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, 1996, 51 (01): : 19 - 24
[3] HEATS OF FORMATION OF AL2(SO4)3.6H2O, AL2(SO4)3, KAL(SO4)2.12H2O, AND KAL(SO4)2
YOUNG, FE
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1945, 67 (02) : 257 - 261
[4] Crystal structure of scandium sulfates Sc2(SO4)3•5H2O, (C{NH2}3)3[Sc(SO4)3]•3H2O, and [H3N{CH2}6NH3][Sc(H2O)2(SO4)2]2•2H2O
Ilyukhin, AB
Petrosyants, SP
[J]. RUSSIAN JOURNAL OF INORGANIC CHEMISTRY, 2004, 49 (08) : 1232 - 1239
[5] THE ATOMIC STRUCTURE OF (H3O)Fe3+(SO4)2 AND RHOMBOCLASE, (H5O2)Fe3+(SO4)2•2H2O
Peterson, Ronald C.
Valyashko, Elena
Wang, Ruiyao
[J]. CANADIAN MINERALOGIST, 2009, 47 (03): : 625 - 634
[6] Syntheses and Structures of Na2Mg3(OH)2(SO4)3•4H2O and K2Mg3(OH)2(SO4)3•2H2O
Kubel, Frank
Cabaret-Lampin, Marie
[J]. ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE, 2013, 639 (10): : 1782 - 1786
[7] HYDROLYSIS IN AL2(SO4)3-FE2(SO4)3-K2SO4-H2O SYSTEM
MARYANCH.LV
ZAPOLSKI.AK
SAZHIN, VS
[J]. ZHURNAL PRIKLADNOI KHIMII, 1973, 46 (04) : 918 - 920
[8] Sulfates of the Refractory Metals: Crystal Structure and Thermal Behavior of Nb2O2(SO4)3, MoO2(SO4), WO(SO4)2, and Two Modifications of Re2O5(SO4)2
Betke, Ulf
Wickleder, Mathias S.
[J]. INORGANIC CHEMISTRY, 2011, 50 (03) : 858 - 872
[9] SPECIFIC HEATS AT LOW TEMPERATURES OF AL2(SO4)3, AL2(SO4)3.6H2O, KAL(SO4)2 AND KAL(SO4)2.12H2O
SHOMATE, CH
[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1945, 67 (05) : 765 - 767
[10] NH4FeIIH(SO4)2•2H2O
Heinicke, F
Lerner, HW
Bolte, M
[J]. ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS, 2004, 60 : I84 - I85

← 1 2 3 4 5 →