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RS notation

The absolute configuration of any chiral centre can be unambiguously specified using the RS notation. [Pg.274]

Roundworms (Nematoda) 24 Rp (phosphorylation state ratio) 303 rRNA (ribosomal RNA) 5, 230,233s RS notation... [Pg.932]

As seen in Fig. 1.1, and as I will explain in detail in this book, the dielectric continuum solvation model COSMO and the subsequent COSMO-based thermodynamics COSMO-RS are two clearly separable and very different steps. However, I have found that many researchers in this field refer to both methods as COSMO, which is both inaccurate and confusing. To avoid this confusion, I find it necessary to emphasize the importance of using the correct notations—COSMO and COSMO-RS-for these methods in all discussions and written literature on these subjects. [Pg.10]

Since the readers of this book will come from different communities, I have tried to develop a notation here which will be acceptable for most readers. After that we go on and consider the different empirical approaches and the novel COSMOSPACE approach for the statistical thermodynamics, which was specially developed for COSMO-RS. [Pg.60]

Due to the various economic aspects that have to be captured by the optimization model, a large number of indices, parameters and decision variables is required. The notation used is contained in Table 5 (indices), Table 6 (parameters), Table 7 (calculated parameters) and Table 8 (decision variables). Additionally, the link of major parameters and decision variables to the production network and the cost structure underlying the model are visualized in Figures 20 to 23. To simplify the notation some parameters are defined at a higher aggregation level (e.g., exchange rates per currency or transport costs at source-destination country level) and the applicable link is indicated in brackets after the index (e.g., exrateq(rs)t indicates the exchange rate for the currency raw material r is denominated in at site s). [Pg.90]

RS Designations for Alanine and Lactate Draw (using wedge-bond notation) and label the (R) and (S) isomers of 2-aminopropanoic acid (alanine) and 2-hydroxypropanoic acid (lactic acid). [Pg.101]

Here, hpq is a relativistic one-electron molecular spinor integral, and (pq rs) is a two-electron molecular spinor integral written in chemist s notation. The second quantized formulation is same as the nonrelativistic one when we use an excitation operator,... [Pg.162]

The contracted notation for two-electron integrals over the basis functions, (rs tu), is based on the same convention outlined in note (17). [Pg.19]

The generalization of the relationships derived in this section to mixtures is quite straightforward, the only difficulty is notational. We therefore discuss only the relations which are of interest in the study of solvation in an ideal dilute system. We consider a system of N solvent molecules for which the total energy is given by (3.141). We now add one solute s at a fixed position Rs in the solvent. The solvation energy is (see chapter 7)... [Pg.111]

FIG. 1 Principles of (a) the feedback (TG/SC) modes and (b) the SG/TC mode for measuring follow-up chemical reactions of electrogenerated species. Species B, produced from a solution precursor species, A, at a generator electrode undergoes decomposition during transit to a collector electrode. Note that in the case of the feedback (a) and SG/TC (b) modes, only the tip current is generally measured, whereas for the TG/SC mode (a), the tip and substrate currents are of interest. The coordinate system and notation for the SECM geometry are shown. The schematic is not to scale typically, rs a 10a and d < a. [Pg.243]

FIG. 2 Principles of SECMID using H+ as a model adsorbate. Schematic of the transport processes in the tip/substrate domain for a reversible adsorption/desorption process at the substrate following the application of a potential step to the tip UME where the reduction of H+ is diffusion-controlled. The coordinate system and notation for the axisymmetric cylindrical geometry is also shown. Note that the diagram is not to scale as the tip/substrate separation is typically <0.01 rs. [Pg.524]

Fig. 2. Calculated lineshapes for an N.M.R. doublet at different rates of exchange. The notation is as follows r = rS, t = 2/T28 and = Aa>/8 (Connor and Loewenstein, 1963). Fig. 2. Calculated lineshapes for an N.M.R. doublet at different rates of exchange. The notation is as follows r = rS, t = 2/T28 and = Aa>/8 (Connor and Loewenstein, 1963).
As shown in the previous section, the mechanical properties of a quartz crystal close to resonance frequency can be expressed by means of a motional impedance. To complete the equivalent circuit of a quartz crystal, the capacitance, Co, must be added in parallel to the motional impedance. It results in the Butterworth-Van Dyke (BVD) equivalent circuit of a quartz crystal, as shown again in Fig. 8 for an unloaded quartz crystal [32]. In this notation common in electronic Hterature, Is is the dynamic inductance and is imder-stood here as a representation of the oscillating mass of the quartz crystal. Cs is the dynamic capacitance and reflects the elasticity of the oscillating body. Rs is the dynamic resistance and returns friction of the quartz slice as well as all kinds of acoustic damping. [Pg.22]

To keep the notation simple, spin labels are either ignored or condensed into a common variable x = (rs) in most of this text. They will only be put back explicitly in discussing spin-density-functional theory, in Sec. 6. [Pg.19]

The technique of Raman scattering (RS) to study vibrational spectra in the numerous polytypes of SiC will be described. An explanation of the various notations used to describe the stacking sequences in these polytypes will then be given. Section C discusses the various optical phonons studied by RS and the concept of a common phonon spectrum for all polytypes will be introduced. Raman studies are also used to assess crystalline structure and quality of epitaxial layers of SiC on Si and SiC substrates. Section D outlines several other excitations of interest, e.g. polaritons, plasmons, and electronic RS, as well as impurity and defect recognition in irradiated and ion implanted material. [Pg.21]

The actual electronic structure of (RSSR) is especially interesting. Key feature is a 2o/10 bond between the two sulfur atoms, rendering [RS.. SR]-an even more appropriate and informative notation.55,56 While further details on this three-electron bond will be dealt with in the odd electron bonds section vide infra), the following is of immediate interest. The combined effect of the two bonding o-electrons and the one antibonding a electron affords a formal bond order of 1/2. This, in turn, provides the rationale for the above equilibrium and relative ease of redissociation of the newly formed sulfur-sulfur bond. The same [RS. . SR] species is, incidentally, formed in the reduction of disulfides by hydrated electrons. Thiyl radicals and disulfide radical anions thus are two conjugate forms of the one-electron redox intermediate between thiols and disulfides. [Pg.354]


See other pages where RS notation is mentioned: [Pg.38]    [Pg.42]    [Pg.911]    [Pg.326]    [Pg.38]    [Pg.42]    [Pg.9]    [Pg.38]    [Pg.42]    [Pg.911]    [Pg.326]    [Pg.38]    [Pg.42]    [Pg.9]    [Pg.561]    [Pg.302]    [Pg.36]    [Pg.191]    [Pg.134]    [Pg.98]    [Pg.112]    [Pg.527]    [Pg.117]    [Pg.184]    [Pg.70]    [Pg.425]    [Pg.302]    [Pg.248]    [Pg.36]    [Pg.32]    [Pg.418]   


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