Oxalatonikelnatany

Oxalatonikelnatany jsou komplexní sloučeniny obsahující ligandy tvořené šťavelanovými anionty a atomy či ionty niklu. Patří mezi podvojné soli; mohou i vytvářet shluky obsahující více atomů niklu. Protože jsou šťavelanové anionty bidentátní, tak se mohou buď vázat na jeden nikl dvěma koordinačními místy, nebo vytvářet můstky.

Diaquabis(oxalato)nikelnatanový anion je oktaedrický. Přítomnost Ni(–O–)₆ chromoforu mu dodává zelené zbarvení.

Vzorec	Název	Struktura	Barva/rozklad	Číslo CAS	Poznámky
[(C₂O₄)₂Ni]²⁻	bis(oxalato)nikelnatanový anion				^[1]
Li₂[(C₂O₄)₂Ni]·6H₂O	bis(oxalato)nikelnatan lithný		dehydratace při 80 °C, rozklad při 345 °C	112678-94-1	^[2]
Na₂[(C₂O₄)₂Ni]·3H₂O	bis(oxalato)nikelnatan sodný		dehydratace při 85 °C, rozklad nad 320 °C	107996-66-5	^[3]^[4]
[NH₄]₂[(C₂O₄)₂Ni]·3H₂O	bis(oxalato)nikelnatan amonný		dehydratace při 180-262 °C, deaminace za teplot 262-338 °C	108559-31-5	^[3]^[5]
K₂[(C₂O₄)₂Ni·2H₂O]·4H₂O	tetrahydrát trans-diaquabis(oxalato-O,O')nikelnatanu draselného	monoklinický	zelený	14244-63-4	^[6]^[7]^[8]^[9]
Co[(C₂O₄)₂Ni]·5H₂O	pentahydrát bis(oxalato)nikelnatanu kobaltnatého		světle růžová		^[10]
Mn[(C₂O₄)₂Ni]·4H₂O	tetrahydrát bis(oxalato)nikelnatanu manganatého		světle modrá		^[11]
Cd[(C₂O₄)₂Ni]·4H₂O	tetrahydrát bis(oxalato)nikelnatanu kademnatého		modrá		^[10]

Kation Ni²⁺ lze nahradit jinými dvojmocnými ionty kovů a také je možné vytvořit smíšené šťavelanové komplexy obsahující Ni²⁺ spolu s dalšími kovy; příkladem může být dihydrát bis(oxalato)nikelnatanu hořečnatého.^[12]

Reference[editovat | editovat zdroj]

V tomto článku byl použit překlad textu z článku Oxalatonickelate na anglické Wikipedii.

↑ MACINTYRE, Jane E. Dictionary of Inorganic Compounds, Supplement 4. [s.l.]: CRC Press, 1997. ISBN 9780412750205. S. 453.
↑ SAHA, H.L.; MITRA, S. Thermal decomposition reactions of metal carboxylato complexes in the solid state. III. Thermographic and differential thermal studies of metal oxalato, malonato and succinato complexes. Thermochimica Acta. June 1987, s. 53–64. DOI 10.1016/0040-6031(87)88164-9.
↑ ^a ^b MACINTYRE, Jane E. Dictionary of Inorganic Compounds, Supplement 4. [s.l.]: CRC Press, 1997. ISBN 9780412750205. S. 251.
↑ SAHA, H. L.; MITRA, S. Thermal decomposition reactions of metal carboxylato complexes in the solid state. I. Thermographic and differential thermal studies of metal oxalato, malonato and succinato complexes. Thermochimica Acta. January 1987, s. 331–342. DOI 10.1016/0040-6031(87)80029-1.
↑ SAHA, H.L.; MITRA, S. Thermal decomposition reactions of metal carboxylato complexes in the solid state. II. Thermographic and differential thermal studies of metal oxalato, malonato and succinato complexes. Thermochimica Acta. March 1987, s. 275–287. DOI 10.1016/0040-6031(87)88284-9.
↑ ROMÁN, P.; GUZMÁN-MIRALLES, C.; LUQUE, A. Structure of dipotassium trans-diaquabis(oxalato-O,O')nickelate(II)–water (1/4). Acta Crystallographica Section C. 15 July 1993, s. 1336–1339. Dostupné online. DOI 10.1107/S0108270193000940.
↑ NARSIMHULU, M.; RAJU, B.; SARITHA, A.; NARAYANA RAO, D.; HUSSAIN, K. A. A new room-temperature ultraviolet emission material: ${\ce {K2[Ni(C2O4)2(H2O)2].4H2O}}$ . Physica B: Condensed Matter. September 2015, s. 45–48. DOI 10.1016/j.physb.2015.05.019. Bibcode 2015PhyB..472...45N.
↑ MACINTYRE, Jane E. Dictionary of Inorganic Compounds, Supplement 1. [s.l.]: CRC Press, 1993-07-15. ISBN 9780412490903. S. 45.
↑ MACINTYRE, Jane E. Dictionary of Inorganic Compounds, Supplement 4. [s.l.]: CRC Press, 1997. ISBN 9780412750205. S. 222.
↑ ^a ^b DEB, Nidhuban; BARUAH, S. D.; DASS, N. N. Synthesis, Characterization and Thermal Decomposition of ${\ce {M1[M2(C2O4)2].{\mathit {x}}H2O}}$ ( $x=5{\text{ for }}{\ce {M1=Co}}$ and $x=4{\text{ for }}{\ce {M1=Cd; M2=Ni}}$ ). Journal of Thermal Analysis and Calorimetry. 2000, s. 791–797. DOI 10.1023/A:1010153720786.
↑ DEB, Nidhuban. Thermal decomposition of manganese(II)bis(oxalato)nickelate(II)tetrahydrate. Journal of Thermal Analysis and Calorimetry. July 2005, s. 61–65. DOI 10.1007/s10973-005-0746-y.
↑ PACKTER, A.; OMOMO, A. The coprecipitation of Magnesium Nickel Oxalate Dihydrate Powders (solid solutions) from aqueous solution: Precipitate compositions and Coprecipitate Mechanisms. Crystal Research and Technology. 1984, s. 467–476. DOI 10.1002/crat.2170190406.

[doic-1] MACINTYRE, Jane E. Dictionary of Inorganic Compounds, Supplement 4. [s.l.]: CRC Press, 1997. ISBN 9780412750205. S. 453.

[2] SAHA, H.L.; MITRA, S. Thermal decomposition reactions of metal carboxylato complexes in the solid state. III. Thermographic and differential thermal studies of metal oxalato, malonato and succinato complexes. Thermochimica Acta. June 1987, s. 53–64. DOI 10.1016/0040-6031(87)88164-9.

[doic2-3] MACINTYRE, Jane E. Dictionary of Inorganic Compounds, Supplement 4. [s.l.]: CRC Press, 1997. ISBN 9780412750205. S. 251.

[4] SAHA, H. L.; MITRA, S. Thermal decomposition reactions of metal carboxylato complexes in the solid state. I. Thermographic and differential thermal studies of metal oxalato, malonato and succinato complexes. Thermochimica Acta. January 1987, s. 331–342. DOI 10.1016/0040-6031(87)80029-1.

[5] SAHA, H.L.; MITRA, S. Thermal decomposition reactions of metal carboxylato complexes in the solid state. II. Thermographic and differential thermal studies of metal oxalato, malonato and succinato complexes. Thermochimica Acta. March 1987, s. 275–287. DOI 10.1016/0040-6031(87)88284-9.

[6] ROMÁN, P.; GUZMÁN-MIRALLES, C.; LUQUE, A. Structure of dipotassium trans-diaquabis(oxalato-O,O')nickelate(II)–water (1/4). Acta Crystallographica Section C. 15 July 1993, s. 1336–1339. Dostupné online. DOI 10.1107/S0108270193000940.

[7] NARSIMHULU, M.; RAJU, B.; SARITHA, A.; NARAYANA RAO, D.; HUSSAIN, K. A. A new room-temperature ultraviolet emission material: ${\ce {K2[Ni(C2O4)2(H2O)2].4H2O}}$ . Physica B: Condensed Matter. September 2015, s. 45–48. DOI 10.1016/j.physb.2015.05.019. Bibcode 2015PhyB..472...45N.

[8] MACINTYRE, Jane E. Dictionary of Inorganic Compounds, Supplement 1. [s.l.]: CRC Press, 1993-07-15. ISBN 9780412490903. S. 45.

[9] MACINTYRE, Jane E. Dictionary of Inorganic Compounds, Supplement 4. [s.l.]: CRC Press, 1997. ISBN 9780412750205. S. 222.

[deb2-10] DEB, Nidhuban; BARUAH, S. D.; DASS, N. N. Synthesis, Characterization and Thermal Decomposition of ${\ce {M1[M2(C2O4)2].{\mathit {x}}H2O}}$ ( $x=5{\text{ for }}{\ce {M1=Co}}$ and $x=4{\text{ for }}{\ce {M1=Cd; M2=Ni}}$ ). Journal of Thermal Analysis and Calorimetry. 2000, s. 791–797. DOI 10.1023/A:1010153720786.

[11] DEB, Nidhuban. Thermal decomposition of manganese(II)bis(oxalato)nickelate(II)tetrahydrate. Journal of Thermal Analysis and Calorimetry. July 2005, s. 61–65. DOI 10.1007/s10973-005-0746-y.

[12] PACKTER, A.; OMOMO, A. The coprecipitation of Magnesium Nickel Oxalate Dihydrate Powders (solid solutions) from aqueous solution: Precipitate compositions and Coprecipitate Mechanisms. Crystal Research and Technology. 1984, s. 467–476. DOI 10.1002/crat.2170190406.

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