Lithium superoxide (original) (raw)
فائق أكسيد ليثيوم (أو سوبر أكسيد الليثيوم) مركب كيميائي له الصيغة LiO2، ويكون على شكل بلورات صفراء. ويحصل على هذا المركب بشروط خاصة.
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| dbo:abstract | فائق أكسيد ليثيوم (أو سوبر أكسيد الليثيوم) مركب كيميائي له الصيغة LiO2، ويكون على شكل بلورات صفراء. ويحصل على هذا المركب بشروط خاصة. (ar) Superoxid lithný je chemická sloučenina s vzorcem LiO2. Je to nestabilní sloučenina, kterou lze připravit pouze matricovou izolací při teplotách 15-40 K. (cs) Lithium superoxide is an unstable inorganic salt with formula LiO2. A radical compound, it can be produced at low temperature in matrix isolation experiments, or in certain nonpolar, non-protic solvents. Lithium superoxide is also a transient species during the reduction of oxygen in a lithium–air galvanic cell, and serves as a main constraint on possible solvents for such a battery. For this reason, it has been investigated thoroughly using a variety of methods, both theoretical and spectroscopic. (en) 초과산화 리튬(Lithium superoxide)은 초산리튬(超酸-.), 리튬 초과산화물, 이산화리튬, 리튬 슈퍼옥사이드라고도 하며 15K~40K에서만 분리되는 화합물이다. 이 화합물은 적외선 분석(IR), 라만 분광법, 전자스핀공명, X-ray 분광학 등 다양한 이론적 방법으로 분석되는 불안정한 자유 라디칼이다. (ko) Ponadtlenek litu, LiO2 – nieorganiczny związek chemiczny z grupy ponadtlenków. Został wyizolowany jedynie stosując . Ma strukturę trójkąta równoramiennego i jest silnie jonowy. (pl) Lithiumsuperoxide (LiO2) is het superoxide van lithium. De stof komt voor als een geel kristallijn poeder en werd tot nu toe alleen waargenomen bij experimenten op lage temperatuur (15 K). (nl) Superóxido de lítio seria o composto de fórmula (LiO2). Superóxido de lítio é o principal produto da reação de co-condensação de uma cadeia de átomos de lítio com um jato de oxigênio molecular, na faixa de temperaturas de 4,2 a 15 K. É observada uma banda de 1097 cm-1, atribuída ao modo vibracional simétrico oxigênio-oxigênio. Bandas mais fracas de 1134 e 1148 cm-1 são atribuídas a agregados maiores de LiO2. (pt) 超氧化锂（LiO2）是锂的超氧化物。 纯的超氧化锂尚未制得。100-129°C时，对水合过氧化锂（Li2O2·2H2O）进行真空干燥，可以得到含有9%超氧化锂的固体。−65°C下，用臭氧处理过氧化锂在氟利昂-12中的悬浮液，曾得到含47%超氧化锂的固体。 (zh) |
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| rdfs:comment | فائق أكسيد ليثيوم (أو سوبر أكسيد الليثيوم) مركب كيميائي له الصيغة LiO2، ويكون على شكل بلورات صفراء. ويحصل على هذا المركب بشروط خاصة. (ar) Superoxid lithný je chemická sloučenina s vzorcem LiO2. Je to nestabilní sloučenina, kterou lze připravit pouze matricovou izolací při teplotách 15-40 K. (cs) Lithium superoxide is an unstable inorganic salt with formula LiO2. A radical compound, it can be produced at low temperature in matrix isolation experiments, or in certain nonpolar, non-protic solvents. Lithium superoxide is also a transient species during the reduction of oxygen in a lithium–air galvanic cell, and serves as a main constraint on possible solvents for such a battery. For this reason, it has been investigated thoroughly using a variety of methods, both theoretical and spectroscopic. (en) 초과산화 리튬(Lithium superoxide)은 초산리튬(超酸-.), 리튬 초과산화물, 이산화리튬, 리튬 슈퍼옥사이드라고도 하며 15K~40K에서만 분리되는 화합물이다. 이 화합물은 적외선 분석(IR), 라만 분광법, 전자스핀공명, X-ray 분광학 등 다양한 이론적 방법으로 분석되는 불안정한 자유 라디칼이다. (ko) Ponadtlenek litu, LiO2 – nieorganiczny związek chemiczny z grupy ponadtlenków. Został wyizolowany jedynie stosując . Ma strukturę trójkąta równoramiennego i jest silnie jonowy. (pl) Lithiumsuperoxide (LiO2) is het superoxide van lithium. De stof komt voor als een geel kristallijn poeder en werd tot nu toe alleen waargenomen bij experimenten op lage temperatuur (15 K). (nl) Superóxido de lítio seria o composto de fórmula (LiO2). Superóxido de lítio é o principal produto da reação de co-condensação de uma cadeia de átomos de lítio com um jato de oxigênio molecular, na faixa de temperaturas de 4,2 a 15 K. É observada uma banda de 1097 cm-1, atribuída ao modo vibracional simétrico oxigênio-oxigênio. Bandas mais fracas de 1134 e 1148 cm-1 são atribuídas a agregados maiores de LiO2. (pt) 超氧化锂（LiO2）是锂的超氧化物。 纯的超氧化锂尚未制得。100-129°C时，对水合过氧化锂（Li2O2·2H2O）进行真空干燥，可以得到含有9%超氧化锂的固体。−65°C下，用臭氧处理过氧化锂在氟利昂-12中的悬浮液，曾得到含47%超氧化锂的固体。 (zh) |
| rdfs:label | فوق أكسيد الليثيوم (ar) Superoxid lithný (cs) Lithium superoxide (en) 초과산화 리튬 (ko) Ponadtlenek litu (pl) Lithiumsuperoxide (nl) Superóxido de lítio (pt) 超氧化锂 (zh) |
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