词汇 | coordination-number |
释义 | BETA coordination numbercollocation in Englishmeanings of coordinationand numberThese words are often used together. Click on the links below to explore the meanings. coordination noun[ U ] uk /kəʊˌɔː.dɪˈneɪ.ʃən/ us /koʊˌɔːr.dənˈeɪ.ʃən/ the act of making all the people involved in a plan or activity work together in an ... See more at coordination number noun uk /ˈnʌm.bər/ us /ˈnʌm.bɚ/ (a sign or symbol representing) a unit that forms part of the system of counting ... See more at number Examples of coordination numbercoordination number Chemically speaking, a coordinationnumber would imply a fixed geometry of ligands (waters) around the ion. It can be interpreted as a coordinationnumber, measuring the degree of clustering among agents. There are other ways to obtain an estimate of the coordinationnumber around an ion. However, in solution the shell is dynamic and so the coordinationnumber may be defined as the most probable number of solvent molecules constituting the immediate surroundings of the ion. The concentration of the substituting nucleophile has no influence on this rate, and an intermediate of reduced coordinationnumber can be detected. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. They came up with the methodology to pack asymmetric icosahedra into crystals using other polyhedra with larger coordinationnumber and atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other authors have relied on, for example, atomic conductance or bulk coordinationnumber. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Their solubility increases with temperature; adding more halides first decreases the solubility, but then increases due to complexation, with the maximum coordinationnumber being 6. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Elements of the first row are limited to a maximum coordinationnumber of 4. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In this model the coordinationnumber of an atom is the number of other atoms that it touches. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For an atom at a surface of a crystal, the surface coordinationnumber is always less than the bulk coordinationnumber. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. X-ray diffraction on solutions yields a radial distribution function from which the coordination number of the metal ion and metal-oxygen distance may be derived. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Chromium resides in a distorted octahedral position with a coordinationnumber of six. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The titanium cations have a coordinationnumber of 6 meaning they are surrounded by an octahedron of 6 oxygen atoms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In this structure both the metals and halides feature octahedral coordination geometry, in which each ion has a coordinationnumber of six. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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