Thiogermanates

	Thiogermanates Sulfidogermanates or thiogermanates are chemical compounds containing anions with sulfur atoms bound to germanium. They are in the class of chalcogenidotetrelates. Related compounds include thiosilicates, thiostannates Sulfidostannates, or thiostannates are chemical compounds containing anions composed of tin linked with sulfur. They can be considered as stannates with sulfur substituting for oxygen. Related compounds include the thiosilicates, and thiogermannat ..., selenidogermanates, telluridogermanates and selenidostannates. Coordination of sulfur around germanium is tetrahedral meaning there are four sulfur atoms symmetrically arranged. This basic structure can form ortho salts with GeS44−, oligomers, or polymeric structures. Similar structures are also formed with heavy group 13 and group 14 elements due to their relatively stronger bonds with sulfur. Light elements from these groups have lower affinity for sulfur, so there are fewer compounds like this for boron, al ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Sulfur Sulfur (or sulphur in British English) is a chemical element with the symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. Elemental sulfur is a bright yellow, crystalline solid at room temperature. Sulfur is the tenth most abundant element by mass in the universe and the fifth most on Earth. Though sometimes found in pure, native form, sulfur on Earth usually occurs as sulfide and sulfate minerals. Being abundant in native form, sulfur was known in ancient times, being mentioned for its uses in ancient India, ancient Greece, China, and ancient Egypt. Historically and in literature sulfur is also called brimstone, which means "burning stone". Today, almost all elemental sulfur is produced as a byproduct of removing sulfur-containing contaminants from natural gas and petroleum.. Downloahere The greatest commercial use of the element is the production o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Germanium Germanium is a chemical element with the symbol Ge and atomic number 32. It is lustrous, hard-brittle, grayish-white and similar in appearance to silicon. It is a metalloid in the carbon group that is chemically similar to its group neighbors silicon and tin. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature. Because it seldom appears in high concentration, germanium was discovered comparatively late in the discovery of the elements. Germanium ranks near fiftieth in relative abundance of the elements in the Earth's crust. In 1869, Dmitri Mendeleev predicted its existence and some of its properties from its position on his periodic table, and called the element ekasilicon. In 1886, Clemens Winkler at Freiberg University found the new element, along with silver and sulfur, in the mineral argyrodite. Winkler named the element after his country, Germany. Germanium is mined primarily from sphalerite (the primary ore of zinc), though germanium is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Chalcogenidotetrelate Chalcogenidotetrelates are chemical compounds containing a group 14 element, known as a tetrel, and a group 16 element, known as a chalocogen. The group 14 elements are carbon, silicon, germanium, tin, lead and flerovium. Flerovium compounds like this are unknown due to its short half-life. The group 16 elements are oxygen, sulfur, selenium, tellurium, polonium and livermorium. Livermorium compounds like this are unknown due to its short half-life. Chalcogenidotetrelates are a class of chalcogenidometalates. In chalcogenidotetrelates, the chalcogen atom is divalent, and the tetrel atom is tetravalent. The chalcogen atom has one or two single bonds, or one double bond to tetrel atoms. The tetrel atom has one, two, three or four single bonds to chalcogen atoms, or one double bond plus one or two single bonds to chalcogen atoms. The tetrel atom would normally have four bonds in a +4 oxidation state. Carbon differs significantly from the other elements in seldom having four single bonds t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Thiosilicate In chemistry and materials science, thiosilicate refers to materials containing anions of the formula . Derivatives where some sulfide is replaced by oxide are also called thiosilicates, examples being materials derived from the oxohexathiodisilicate . Silicon is tetrahedral in all thiosilicates and sulfur is bridging or terminal. Formally such materials are derived from silicon disulfide in analogy to the relationship between silicon dioxide and silicates. Thiosilicates are typically encountered as colorless solids. They are characteristically sensitive to hydrolysis. They are from the class of chalcogenidotetrelates. Materials science The LISICON (LIthium Super Ionic CONductor) include thiosilicates, which are fast ion conductors. Thiosilicates and related thiogermanates are also of interest for infrared Infrared (IR), sometimes called infrared light, is electromagnetic radiation (EMR) with wavelengths longer than those of visible light. It is therefore invisible to the hum ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
	Thiostannate Sulfidostannates, or thiostannates are chemical compounds containing anions composed of tin linked with sulfur. They can be considered as stannates with sulfur substituting for oxygen. Related compounds include the thiosilicates, and thiogermannates, and by varying the chalcogen: selenostannates, and tellurostannates. Oxothiostannates have oxygen in addition to sulfur. Thiostannates can be classed as chalcogenidometalates, thiometallates, chalcogenidotetrelates, thiotetrelates, and chalcogenidostannates. Tin is almost always in the +4 oxidation state in thiostannates, although a couple of mixed sulfides in the +2 state are known, Some thiostannate minerals are known. In nature the tin can be partly replaced by arsenic, germanium, antimony or indium. Many thiostannate minerals contain copper, silver or lead. In the field of mineralogy, these compound can be termed sulfostannates or sulphostannates. Different cluster anions are known: [SnS4]4–, [SnS3]2–, [Sn2S5]2–, [Sn2S6]4–, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]
picture info	Germanium(IV) Compounds Germanium is a chemical element with the symbol Ge and atomic number 32. It is lustrous, hard-brittle, grayish-white and similar in appearance to silicon. It is a metalloid in the carbon group that is chemically similar to its group neighbors silicon and tin. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature. Because it seldom appears in high concentration, germanium was discovered comparatively late in the discovery of the elements. Germanium ranks near fiftieth in relative abundance of the elements in the Earth's crust. In 1869, Dmitri Mendeleev predicted its existence and some of its properties from its position on his periodic table, and called the element ekasilicon. In 1886, Clemens Winkler at Freiberg University found the new element, along with silver and sulfur, in the mineral argyrodite. Winkler named the element after his country, Germany. Germanium is mined primarily from sphalerite (the primary ore of zinc), though germanium is al ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu]