Sulfate nitrates

The sulfate nitrates are a family of double salts that contain both sulfate and nitrate ions (NO3−, SO42−). They are in the class of mixed anion compounds. A few rare minerals are in this class. Two sulfate nitrates are in the class of anthropogenic compounds, accidentally made as a result of human activities in fertilizers that are a mix of ammonium nitrate and ammonium sulfate, and also in the atmosphere as polluting ammonia, nitrogen dioxide, and sulfur dioxide react with the oxygen and water there to form solid particles. The nitro group (NO3−) can act as a ligand, and complexes containing it can form salts with sulfate.[1]

List
name formula ratio system space group unit cell volume Å3 density optical references
Darapskite Na3(SO4)(NO3) · H2O 1:1 Monoclinic 2/m a = 10.57 Å, b = 6.91 Å, c = 5.18 Å β = 102.77° 368.98 Biaxial (-) nα = 1.388 nβ = 1.479 nγ = 1.486

2V: 28°

 [2]
Humberstonite Na7K3Mg2(SO4)6(NO3)2 · 6H2O 6:2 Trigonal R3 a = 10.905 Å, c = 24.394 Å Z=3 2,512.26 2.252 Uniaxial (-) nω = 1.474 nε = 1.436 [3]
Ungemachite K3Na8Fe(SO4)6(NO3)2 · 6H2O 6:2 Trigonal R3 a = 10.898 Å, c = 24.989 Å 2,570.24 2.287 Uniaxial (-) nω = 1.502 nε = 1.449 [4]
Mbobomkulite Ni0.75Cu0.25Al4(NO3)1.5(SO4)0.5(OH)12•3(H2O) ? Monoclinic P21 a =10.171 b=8.865 c=17.145 β=95.37° 1,539.11 2.45 blue [5]
hydrombobomkulite
Witzkeite Na4K4Ca(NO3)2(SO4)4·2H2O 4:2 Monoclinic C2/c a = 24.902, b = 5.3323, c = 17.246 Å, β = 94.281(7)°, 2283.6 2.40 biaxial (−) α = 1.470, β = 1.495, γ = 1.510, 2V = 50–70° [6]
Artificial
Ammonium sulfate nitrate 2AN.AS (NH4)4SO4(NO3)2 1:2 Monoclinic P21/c a=10.3178 b=11.4014 c=10.2567 β=105.956 z=4
 1160.09 [7][8]
Ammonium sulfate nitrate 3AN.AS (NH4)5SO4(NO3)3 1:3 Monoclinic P21 a=9.9566 b=5.9332 c=12.4161 β=92.817 z=2 732.59 [9][8]
? K(NH4)3(NO3)2SO4 [10]
? K2(NH4)2(NO3)2SO4 [10]
Neodymium sulfate nitrate trihydrate Nd[SO4][NO3]·3H2O 1:1 Monoclinic P21/m a = 6.3056, b = 6.9234, c = 8.9827, β = 93.305° Z=2 Pale violet [11]
Complexes
[Co(2,2'-bipy)2(NO3)]2SO4·(H2O)5 [12]
thiourea complex [Cu4(SCN2H4)7(NO3)](NO3)(SO4) · 3.3H2O Monoclinic P21 a = 12.6072 Å, b = 15.4265 Å, c=22.108 Å, β=120.133° Z=4 [1]

References
  1. Solov'ev, L. A.; Vasil'ev, A. D.; Golovnev, N. N. (2002). "Mixed Complex Salt [Cu4(SCN2H4)7(NO3)](NO3)(SO4)•3.3H2O: Synthesis and X-Ray Diffraction Analysis". Russian Journal of Coordination Chemistry. 28 (8): 587–592. doi:10.1023/A:1019765831404. S2CID 104378398.
  2. "Darapskite: Mineral information, data and localities". www.mindat.org. Retrieved 2020-05-18.
  3. "Humberstonite: Mineral information, data and localities". www.mindat.org. Retrieved 2020-05-18.
  4. "Ungemachite: Mineral information, data and localities". www.mindat.org. Retrieved 2020-05-18.
  5. "Mbobomkulite Mineral Data". webmineral.com. Retrieved 2020-05-20.
  6. Nestola, F.; Camara, F.; Chukanov, N. V.; Atencio, D.; Coutinho, J. M. V.; Contreira Filho, R. R.; Farber, G. (2012-10-01). "Witzkeite: A new rare nitrate-sulphate mineral from a guano deposit at Punta de Lobos, Chile". American Mineralogist. 97 (10): 1783–1787. Bibcode:2012AmMin..97.1783N. doi:10.2138/am.2012.4109. hdl:2318/124924. ISSN 0003-004X. S2CID 94994952.
  7. Jänecke, Ernst; Eissner, W.; Brill, Rudolf (1927-02-21). "Über das System NH 4 NO 3 (NH 4 ) 2 SO 4 H 2 O". Zeitschrift für anorganische und allgemeine Chemie. 160 (1): 171–184. doi:10.1002/zaac.19271600117.
  8. Montejo-Bernardo, J. M.; García-Granda, S.; Fernández-González, A. (2010-06-01). "Structures of relevant ammonium salts in fertilizers". Acta Crystallographica Section B: Structural Science. 66 (3): 358–365. doi:10.1107/S0108768110015430. hdl:10651/11261. ISSN 0108-7681. PMID 20484806.
  9. Smith, J. P.; Lehr, J. R.; Frazier, A. W. (January 1962). "Characterization of Fertilizer Materials, Crystallographic Properties of the Ammonium Nitrate-Sulfates 3NH 4 NO 3 (NH 4 ) 2 SO 4 and 2NH 4 NO 3 (NH 4 ) 2 SO 4". Journal of Agricultural and Food Chemistry. 10 (1): 77–78. doi:10.1021/jf60119a025. ISSN 0021-8561.
  10. Борисович, Дормешкин Олег; Иванович, Воробьев Николай; Хаимовна, Черчес Галина; Николаевич, Гаврилюк Андрей (2011). "Влияние азотсодержащих компонентов на фазовый состав и физико-механические свойства np- и NPK-удобрений". Труды БГТУ. №3. Химия и технология неорганических веществ (3). ISSN 1683-0377.
  11. Strobel, Sabine; Hartenbach, Ingo; Schleid, Thomas (September 2006). "Synthesis and Crystal Structure of the Neodymium Sulfate Nitrate Trihydrate Nd[SO4][NO3]·3H2O". Zeitschrift für anorganische und allgemeine Chemie (in German). 632 (12–13): 1927–1929. doi:10.1002/zaac.200600049. ISSN 0044-2313.
  12. "Hydrothermal synthesis and crystal structure of cobalt(II) complex [Co(2,2'-bipy)2(NO3)]2 SO4·(H2O)5". Chemical Reagents. September 2009. Retrieved 2020-05-21.
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