Note that unlike other sections on this page this includes nonessential elements. Pdf applications of germanium compounds researchgate. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Us3223692a process for production of cis 1,4polybutadiene.
Large deviations from statistically random exchange were observed in the systems involving germanium tetrachloride and germanium tetrabromide, with the mixed species being preferred. Asked in science, chemistry, elements and compounds what is the chemical name of ci4. Information provided on diphosphorus tetraiodide 455000 is for reference only and is subject to change. Carbon tetraiodide is a tetrahalomethane with the molecular formula ci 4. Germanium tetrachloride is an intermediate for the purification of germanium metal or its oxide, geo 2 germanium tetrachloride can be generated directly from geo 2. Convert grams germaniumiv iodide to moles or moles germaniumiv iodide to grams. Germanium iv bromide is a high watersoluble crystalline germanium source for uses compatible with bromides and lower acidic ph. What is the name of a compound with the formula v2. Germanium tetrachloride is a colourless, fuming liquid with a peculiar, acidic odour. The chart below shows the calculated isotope pattern for the formula ge 3 n 4 with the most intense ion set to 100%. Germanium iv bromide tetrabromogermane gebr4 ereztech. Germanium is too reactive to be found naturally on earth in its native state.
Tetrabutoxygermane, tetranbutoxygermane, tetrabutoxygermanium cas number 25063278 mdl number mfcd00015347 ec number 2465952. Diphosphorus pentoxide is also known as phosphorus oxide. Titanium tetraiodide is an inorganic compound with the formula tii 4. It has been used as a reducing agent in organic chemistry. Environmental protection agencys title iii consolidated list of lists, the u. Element association of germanium in the mineral world this table compares the known valid mineral species listed listed with germanium and the other elements listed based on the official ima formula. Znc18h35o22 by no means is this an exhaustive listing of chemicals compounds as there are literally tens of millions if not hundreds of millions of chemical compounds known to man and used in industry. The chart below shows the calculated isotope pattern for the formula gecl 2 with the most intense ion set to 100%. Equation of state, phase stability, and amorphization of sni4 at high pressure and temperature. This information is only displayed if the substance is welldefined, its identity is not claimed confidential and there is sufficient information available in echas.
Germanium tetrafluoride is a noncombustible, strongly fuming gas. On the thermodynamic properties of germaniumiodide compounds. The purification of germanium tetraiodide by preparative. Germanium tetrafluoride is formed by treating germanium with fluorine. Putting these pieces together gives the name carbon tetrachloride for this compound. Most commercial production of germanium is from treating fluedusts of zinc and copperore smelters, although a significant source is also found in the ash from the combustion of certain types of coal called vitrain. Als environmental does not sell chemicals, but offers analytical lab testing to determine the presence of various elements and chemical compounds. Clean up any spills as soon as possible, using an absorbent material to collect it. Further, it reacts with allyl bromide in the presence of zinc iodide to get allylgermaniumiv, which on reacts with carbonyl compounds to give the corresponding homoallylic.
The crystal structure of tin tetraiodide journal of. Search results for germanium iodide at sigmaaldrich. The number of electrons in each of germanium s shells is 2, 8, 18, 4 and its electron configuration is ar 3d 10 4s 2 4p 2. Germanium was first discovered by clemens winkler in 1886. Let us practice by naming the compound whose molecular formula is ccl 4. Structure, properties, spectra, suppliers and links for. Germanium tetraiodide safety data sheet print date. The molecular formula identifies each type of element by its chemical symbol and identifies the number of atoms of each element found in one discrete molecule of the substance. Size and bandgap control in the solutionphase synthesis of nearinfrared. One has a structure like diamond, the other is metallic, and only forms at very high pressure and has structure similar to the metallic. Hydrides the term hydride is used to indicate compounds of the type m x h y and not necessarily to indicate that any compounds listed behave as hydrides chemically. Tellurium tetraiodide tei4 or i4te cid 82255 structure, chemical names, physical and chemical properties, classification, patents, literature, biological. This page was last edited on 10 october 2017, at 22.
Silicon vertically integrated nanowire field effect. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more. It is a tetrahedral molecule with sii bond lengths of 2. The action of ammonia and amines on germanium tetraiodide. A tetraiodide is a compound that contains four iodine atoms in a molecule. It has also been of interest in the manufacture and etching of silicon in microelectronics reactions. Diphosphorus tetraiodide is an orange crystalline solid with the formula p2i4. Divalent germanium species as starting materials and. Asked in chemistry, elements and compounds what is the chemical formula for indium phospide. It is a black volatile solid, first reported by rudolph weber in 1863.
The heats of formation of germanium tetrabromide and germanium tetraiodide. It is also used in the preparation of allylgermanes by reacting with allylstannanes. Germanium ii iodide acts as a reagent that forms stable ionic adducts with carbenes. What is the name of a compound with the formula v2o5. In situ stm studies on germanium tetraiodide electroreduction on au111 in the room temperature molten salt 1butyl3methylimidazolium hexafluorophosphate f. Methods and material for containment and cleaning up methods for cleaning up. Search results for germanium iv iodide at sigmaaldrich. Download this web site to your computer adobe acrobat format pdf. The name begins with the name of the first elementcarbon.
Download hires image download to mspowerpoint cite this. Pubchem is the worlds largest collection of freely accessible chemical information. Identification of the substancemixture and of the companyundertaking. The chemical formula for an ionic compound represents the a. Pdf germanium compounds have emerged as critically important materials in the fabrication. In compounds of germanium where known, the most common oxidation numbers of germanium are. Its hydrolysis with water leads to the hydrated germanous hydroxide geoh2. Molecular weight of germaniumiv iodide convert units. Search chemicals by name, molecular formula, structure, and other identifiers. Use vsepr theory to predict the shape of the hydrogen sulfide molecule, h2s. Media in category titanium tetraiodide the following 2 files are in this category, out of 2 total. Germanium nbutoxide tetrabutoxygermane geoch23ch34.
Occupational safety and health administrations process safety management of highly hazardous chemicals standard list see more about these data sources. Nov 15, 2009 what is the formula for sulfur tetraiodide. It is an intermediate in the van arkel process for the purification of titanium. Some examples include carbon tetraiodide ci4, diphosphorus tetraiodide p2i4, and.
Department of homeland securitys chemical facility antiterrorism standards, and the u. This information is only displayed if the substance is well. Being bright red, it is a relatively rare example of a highly colored methane derivative. The chemical formula for silicon tetraiodide is sii4. Germanium has two forms, each with a formula unit of ge. References the data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following. In its elemental form, germanium is a brittle grayish white semimetallic element.
Using layers of different materials with different band gap properties is a proven way to maximize the efficiency of solar cells. Carbon dioxide as a carrier, iodine through metal germanium. Studies on the redistribution reactions of some germanium. Simple method of measuring the band gap energy value. Webelements periodic table germanium germanium tetraiodide. In recent years, gecl 4 usage has increased substantially due to its use as a reagent for fiber optic production.
The table shows element percentages for gei 4 germanium tetraiodide. International regulations canada germanium tetraiodide 450958 listed on the canadian ndsl nondomestic substances list euregulations germanium tetraiodide 450958. The compound is stable to strong heating and can be stored at room. It also has potential use in ceramic and glass formulas, as the oxide has a high. The use of adsorbents for the preparative separation of several highboiling compounds is of practical interest. Regulatory process names 1 iupac names 1 other identifiers 1. Search results for germaniumiv iodide at sigmaaldrich. Information provided on germanium tetraiodide 450958 is for reference only and is subject to change. The second element, chlor ine, becomes chlor ide, and we attach the correct numerical prefix tetra to indicate that the molecule contains four chlorine atoms. Gei4 germaniumiv iodide germanium tetraiodide sigmaaldrich.
Germanium diiodide the much studied germanium diiodide is formed in many reactions. There is no warranty of accuracy or completeness of any information contained herein. In the semiconductor and nanomaterial industries, titanium dioxide tio 2, commonly known as titania is added as an ingredient to coatings. The heats of formation of germanium tetrabromide and. Use vsepr theory to predict the shape of the carbon tetraiodide molecule, ci4. Germanium tetraisopropoxide, isopropyl germanateiv, tetraisopropoxygermane, tetraisopropoxygermanium linear formula. Download hires imagedownload to mspowerpointcite this. It is only 2% by weight carbon, although other methane derivatives are known with still less carbon. Germanium iodide is a chemical compound of germanium and iodine. Germanium tetraiodide empirical formula hill notation. It is used as an intermediate in the production of purified germanium metal. Geg5800 germanium tetraiodide germanium tetraiodide safety data sheet geg5800 date of issue.
In its elemental form, germanium is a brittle grayish white semimetallic. This substance is an experimental material for rechargeable batteries. List of chemical compound and their formula for ssc, engineering, aipmt, cpmt, mbbs, iit, cbse class 11th, 12th, bsc, msc etc. What is the formula for molecule a selenium tetraiodide. The absolute entropy of crystalline germanium tetraiodide s298. Germanium tetraiodide safety data sheet 08102015 en english us sds id. Most metal bromide compounds are watersoluble for uses in water treatment and chemical analysis. The regulatory information fields include information from the u. Each formula indicates how many molecules of each element must be included for the outcome to be as expected. At high temperature the dissociation of tetraiodide gives ge. Chap 4 compounds and their bondsinorganic chemistry 73 terms. Germaniumiv iodide is an orangered crystalline solid with melting point 144 c and boiling point 440 c with decomposition.
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