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Correction bishops

Our calculations do not include vibrational corrections. Bishop and Cybulski have computed them for nuclear magnetic shielding and shielding polarizabilities of CO (9). [Pg.90]

The CCSD model gives for static and frequency-dependent hyperpolarizabilities usually results close to the experimental values, provided that the effects of vibrational averaging and the pure vibrational contributions have been accounted for. Zero point vibrational corrections for the static and the electric field induced second harmonic generation (ESHG) hyperpolarizability of methane have recently been calculated by Bishop and Sauer using SCF and MCSCF wavefunctions [51]. [Pg.137]

Berkeley, George. Siris a chain of philosophical reflexions and inquiries concerning the virtues of tar water, and divers other subjects connected together and arising one from another. / By the Right Rev. Dr. George Berkeley, Lord Bishop of Cloyne, and author of The minute philosopher [1 line of biblical quotation and 1 line of Horace in Latin], The second edition, / improved and corrected by the author ed. [London] Dublin printed, London re- printed, for W. Innys, and C. Hitch,... and C. Davis..., 1754. [3], 4-174, [2] p. [Pg.32]

Another fat-soluble vitamin, E, was found by Evans and Bishop in 1923. Pregnant rats on a defined diet (alcohol-extracted casein, cornstarch, and lard) supplemented with butter (vitamins A and D) and yeast extract (vitamin B group) produced few young because of fetal resorption. Male rats on the same diet were sterile. The disorders, which have not been identified in man, were corrected by wheat-germ oil, from which tocopherol, the active ingredient, was isolated in 1936. In spite of intensive investigations and a recognition that the vitamin is an antioxidant and destroyer of free radicals, the function of vitamin E remains obscure. [Pg.34]

The conventional approach used to describe the response of a molecule to a static electric field is either to perform pure electronic BO calculations or to perform calculations where the BO values are corrected for vibrational and rotational (thermal) motion of the nuclei. The vibrationally corrected polarizabilities usually do an excellent job of correcting the errors inherent in the pure electronic BO values. Bishop has written several excellent reviews on this topic [78-80]. [Pg.456]

There have been a few recent studies of the corrections due to nuclear motion to the electronic diagonal polarizability (a ) of LiH. Bishop et al. [92] calculated vibrational and rotational contributions to the polarizability. They found for the ground state (v = 0, the state studied here) that the vibrational contribution is 0.923 a.u. Papadopoulos et al. [88] use the perturbation method to find a corrected value of 28.93 a.u. including a vibrational component of 1.7 a.u. Jonsson et al. [91] used cubic response functions to find a corrected value for of 28.26 a.u., including a vibrational contribution of 1.37 a.u. In all cases, the vibrational contribution is approximately 3% of the total polarizability. [Pg.461]

STOs have a number of features that make them attractive. The orbital has the correct exponential decay with increasing r, the angular component is hydrogenic, and the Is orbital has, as it should, a cusp at the nucleus (i.e., it is not smooth). More importantly, from a practical point of view, overlap integrals between two STOs as a function of interatomic distance are readily computed (Mulliken Rieke and Orloff 1949 Bishop 1966). Thus, in contrast to simple Huckel theory, overlap matrix elements in EHT are not assumed to be equal to the Kronecker delta, but are directly computed in every instance. [Pg.134]

By using labelled, specific cross-linking agents in a polymer it is possible to count the number of cross-links introduced. Bishop (63) has used labelled di-acid chlorides (oxalyl, pimelyl and dodecandioyl) to cross-link cellulose acetate monofilaments (Reaction 6). He also used a tracer technique to correct for side chain formation (Reaction 7). [Pg.138]

Self-Tests All worked examples end with paired Self-Tests one is answered immediately the other s answer is at the back of the book. This frequent reinforcement gradually builds a student s confidence. Evelyn Ehrenrich of Rutgers University has worked hard to ensure that all the Self-Tests are properly formulated and that the answers are correct. The answers have also been checked by Maxine Bishop at Rice University. [Pg.29]

Erasmus did, however, write privately to the Bishop of Augsburg and to the Emperor. Justus Jonas commented in a letter to Luther that his advice was typically Erasmian, that is, prevaricating To the Bishop] he wrote that he approved communion in both kinds, marriage of priests, correction and reformation of the practice of endowed masses, although he had doubts about private masses. To the Emperor, however, he wrote that this was an important matter and one must not rush in. If a reformation was needed, it must begin with the head, the Roman Pope (WBr 5 512 of July 1530). [Pg.184]

Wortmann, R. and Bishop D.M., Effective polarizabilities and local field corrections for nonlinear optical experiments in condensed media. J.Chem.Phys. (1998) 108 1001—1007. [Pg.100]

From Figure 3 it is seen that this prediction seems to be correct for both our own data and those reported by Holden, Bishop, and Legge (d) for a SBS copolymer with 40% styrene and measured with a bicone geometry. [Pg.544]

The adiabatic corrections for II2 were calculated by Bishop and Wetmore [47] and an abbreviated selection of their results is given in table 6.6 the third and fourth columns of this table give the corrections due to the third and second terms respectively in (6.139). Notice that the corrections are remarkably insensitive to the value of the internuclear distance R. [Pg.223]

Adiabatic corrections for H2 were first calculated by Kolos and Wolniewicz [27], and much later confirmed by Bishop and Cheung [55]. The best potential curves for H2 and D2, incorporating both adiabatic and relativistic corrections, have been tabulated by Bishop and Shih [56]. Bishop and Cheung [55] have also carried out non-adiabatic calculations for H2, the energy of the lowest level being lowered by 0.42 cm 1 compared with the adiabatic value. A small number of calculations for excited states have also been reported. [Pg.224]

Russo PS, Bishop M, Langley KH, Karash FE (1984) Comment on the correct polarization factor for light scattering photometers employing annular detection. Macromolecules 17 1289-1291... [Pg.508]

From equations given by Crank [220], Fink and Petsko [207] show that for a onedimensional sheet of thickness 21, substrate will penetrate to the centre of the lattice in a time t where t = l /D and D is the corrected diffusion coefficient in the crystal. The diffusion coefficient in solution for many compounds is of the order 1 x 10 cm second" Thus, we see that for a crystal of 0.4 mm thickness, diffusion times should be of the order of 80 seconds to 33 minutes using the correction factors 0.5-0.02 obtained by Bishop and Richards [219]. These times are in reasonable agreement with some of the times given in Table 2. Note the last two entries (7 and 8) also involve a catalytic reaction. [Pg.398]

J. Paldus and X. Li, Coupled-cluster approach to correlation in small molecules. Energy vs. amplitude corrected methods, in R.F. Bishop, T. Brandes, K.A. Gernoth, N.R. Walet, Y. Xian (Eds.), Recent progress in many-body theories, Advances in quantum many-body theories, Vol. 6, World Scientific Publishing, Singapore, 2002, pp. 393—404. [Pg.148]

The ZPVA and pure vibrationtil (pv) corrections from the Bishop-Krrtman perturbation theory [35]... [Pg.139]

In this chapter we will therefore discuss the contributions from the nuclear wave-function to the molecular properties derived in the previous chapters. However, in doing so we will still make use of the Born-Oppenheimer approximation. In the following, we will use the static polarizability as example and illustrate how these vibrational corrections can be incorporated (Bishop and Cheung, 1980 Bishop et al., 1980). The expression, which we are going to derive, can then easily be transferred to all linear response properties. A detailed description of vibrational corrections to static and frequency-dependent hyperpolarizabilities can be found in the reviews by Bishop (1990 1998). [Pg.174]


See other pages where Correction bishops is mentioned: [Pg.174]    [Pg.174]    [Pg.139]    [Pg.457]    [Pg.113]    [Pg.146]    [Pg.246]    [Pg.85]    [Pg.86]    [Pg.356]    [Pg.2635]    [Pg.236]    [Pg.576]    [Pg.253]    [Pg.267]    [Pg.340]    [Pg.129]    [Pg.135]    [Pg.136]    [Pg.163]    [Pg.302]    [Pg.85]    [Pg.144]    [Pg.124]    [Pg.168]    [Pg.173]    [Pg.48]    [Pg.229]    [Pg.199]   
See also in sourсe #XX -- [ Pg.72 , Pg.84 , Pg.172 ]




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