Germanide halide

{{Notability|date=June 2023}} '''Germanide halides''' are compound that include the germanide (Ge⁴⁻) anion and a halide such as chloride (Cl⁻), bromide (Br⁻) or iodide (I⁻). They include '''germanide iodides''', '''germanide bromides''' or '''germanide chlorides'''. They can be considered as mixed anion compounds. They are in the category of tetrelidehalides. Related compounds include the silicide iodides, and carbide iodides.

==List== ===Chlorides=== {|class="wikitable" !formula !system !space group !unit cell Å !volume !density !comment !ref |- |La₃Cl₂Ge₃ |monoclinic |''C''2/''m'' |a=18.047 b=4.927 c=10.739 β=98.25 Z=4 |824.2 |5.685 |air and water sensitive |<ref>{{Cite journal |last1=Mattausch |first1=Hansjürgen |last2=Zheng |first2=Chong |last3=Ryazanov |first3=Mikhail |last4=Simon |first4=Arndt |date=February 2005 |title=Reduced Lanthanum Halides with Ge as Interstitials: La2I2Ge, La2I2Ge2, La3Cl2Ge3, La3Br2Ge3, La3I3Ge, La6I5Ge3 and La7+xI12Ge |url=https://onlinelibrary.wiley.com/doi/10.1002/zaac.200400269 |journal=Zeitschrift für anorganische und allgemeine Chemie |language=de |volume=631 |issue=2–3 |pages=302–308 |doi=10.1002/zaac.200400269 |issn=0044-2313|url-access=subscription }}</ref> |- | | | | | | | | |- |} ===Bromides=== {|class="wikitable" !formula !system !space group !unit cell Å !volume !density !comment !ref |- | | | | | | | | |- |Br₂Ge₃La₃ |monoclinic |''C''2/''m'' |''a'' =18.622 ''b'' =4.3263 ''c'' =10.897 ''β'' =98° Z=4 |869.4 |6.069 |air and water sensitive |<ref name=":0">{{Cite journal |last1=Mattausch |first1=Hansjürgen |last2=Zheng |first2=Chong |last3=Ryazanov |first3=Mikhail |last4=Simon |first4=Arndt |date=February 2005 |title=Reduced Lanthanum Halides with Ge as Interstitials: La2I2Ge, La2I2Ge2, La3Cl2Ge3, La3Br2Ge3, La3I3Ge, La6I5Ge3 and La7+xI12Ge |url=https://onlinelibrary.wiley.com/doi/10.1002/zaac.200400269 |journal=Zeitschrift für anorganische und allgemeine Chemie |language=de |volume=631 |issue=2–3 |pages=302–308 |doi=10.1002/zaac.200400269 |issn=0044-2313|url-access=subscription }}</ref> |- |Gd₂GeBr₂ |trigonal |''R''{{overbar|3}}''m'' |''a'' = 4.1442, ''c'' = 29.487 | | | |<ref name=":1">{{Cite journal |last1=Lukachuk |first1=Mar'yana |last2=Kremer |first2=Reinhard K. |last3=Mattausch |first3=Hansjürgen |last4=Simon |first4=Arndt |date=2007-04-01 |title=New Layered Germanide Halides RE 2 GeX 2 (RE = Y, Gd; X = Br, I) |url=https://pubs.acs.org/doi/10.1021/ic062425d |journal=Inorganic Chemistry |language=en |volume=46 |issue=8 |pages=3231–3235 |doi=10.1021/ic062425d |pmid=17373789 |issn=0020-1669|url-access=subscription }}</ref> |- |Gd₂GeBr₂ |trigonal |''P''{{overbar|3}}''m''1 |''a'' = 4.1668, ''c'' = 9.8173 | | |semiconductor |<ref name=":1" /> |- |} ===Iodides=== {|class="wikitable" !formula !system !space group !unit cell Å !volume !density !comment !ref |- |Y₂GeI₂ |trigonal |''R''{{overbar|3}}''m'' |''a'' = 4.2135 ''c'' = 31.480 Z=3 |484 |5.19 |bronze |<ref name=":1">{{Cite journal |last1=Lukachuk |first1=Mar'yana |last2=Kremer |first2=Reinhard K. |last3=Mattausch |first3=Hansjürgen |last4=Simon |first4=Arndt |date=2007-04-01 |title=New Layered Germanide Halides RE 2 GeX 2 (RE = Y, Gd; X = Br, I) |url=https://pubs.acs.org/doi/10.1021/ic062425d |journal=Inorganic Chemistry |language=en |volume=46 |issue=8 |pages=3231–3235 |doi=10.1021/ic062425d |pmid=17373789 |issn=0020-1669|url-access=subscription }}</ref> |- |GeI₂La₂ |trigonal |''P''{{overbar|3}}''m''1 |a=4.45 ''c''=10.868 Z=1 |186.46 |3.381 |air and water sensitive |<ref name=":0">{{Cite journal |last1=Mattausch |first1=Hansjürgen |last2=Zheng |first2=Chong |last3=Ryazanov |first3=Mikhail |last4=Simon |first4=Arndt |date=February 2005 |title=Reduced Lanthanum Halides with Ge as Interstitials: La2I2Ge, La2I2Ge2, La3Cl2Ge3, La3Br2Ge3, La3I3Ge, La6I5Ge3 and La7+xI12Ge |url=https://onlinelibrary.wiley.com/doi/10.1002/zaac.200400269 |journal=Zeitschrift für anorganische und allgemeine Chemie |language=de |volume=631 |issue=2–3 |pages=302–308 |doi=10.1002/zaac.200400269 |issn=0044-2313|url-access=subscription }}</ref> |- |GeI₂La₂ |trigonal |''R''{{overbar|3}}''m'' |a=4.465 ''c''=32.591 Z=3 |562.7 |5.349 |air and water sensitive |<ref name=":0" /> |- |Ge₂I₂La₂ |trigonal |''P''{{overbar|3}}''m''1 |''a''=4.272 ''c''=11.8349 Z=1 |187.11 |6.006 |air and water sensitive |<ref name=":0" /> |- |GeI₃La₃ |cubic |''I''4₁32 |''a''=12.6036 Z=8 |2002.1 |5.773 |air and water sensitive |<ref name=":0" /> |- |Ge₃I₅La₆ |monooclinic |''C''2/''m'' |''a''=19.338 ''b''=4.423 ''c''=14.895, ''β''=128.16° Z=2 |1001.7 |5.589 |air and water sensitive |<ref name=":0" /> |- |GeI₁₂La₇ |trigonal |''R''{{overbar|3}} |a=16.122 ''c'' =10.768 Z=3 |2423.8 |5.487 |air and water sensitive |<ref name=":0" /> |- |Gd₂GeI₂ |trigonal |''R''{{overbar|3}}''m'' |''a'' = 4.2527 ''c'' = 31.657 Z=3 |495.84 |6.44 |bronze |<ref name=":1" /> |}

==References== {{Reflist}}

{{iodides}}

Category:Iodides Category:Germanides