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The crystal structure of manganese ammonium sulfate hexahydrate, Mn(NH4)2(SO4)2.6H20,has been determined by a three-dimensional X-ray analysis with Fe Ke radiation (2 = 1.9373A).The crystals are monoclinic, space group P21/a, with 2 molecules per unit cell.The cell dimensions are a= 9"40, b = 12.74, c= 6.26 A, fl= 107…
Three principal continuous series of most degenerate unitary irreducible representations of an arbitrary noncompact rotation group SO(p, q) have been derived and their properties discussed in detail. The corresponding harmonic functions have been constructed.
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThe Synthesis and Physical Properties of Some Organo- and Organosiloxysilicon PhthalocyaninesJohn N. Esposito, John E. Lloyd, and Malcolm E. KenneyCite this: Inorg. Chem. 1966, 5, 11, 1979–1984Publication Date (Print):November 1, 1966Publication History Published online1 May…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTThermal Degradation of Isotactic and Syndiotactic Poly(methyl methacrylate)1H. H. G. Jellinek and Ming Dean LuhCite this: J. Phys. Chem. 1966, 70, 11, 3672–3680Publication Date (Print):November 1, 1966Publication History Published online1 May 2002Published inissue 1 November…
The magnetization, magnetostriction and magnetoresistance of a randomly oriented assembly of single-domain particles have been calculated as a function of magnetic field. The particles are assumed to have either cubic or uniaxial anisotropy and the calculations extend over a much greater range of field strengths than…
Solutions for the flexural and axisymmetric vibrations of piezoelectric cylindrical shells of the crystal class 6mm are investigated. Applying suitable mechanical and electrical boundary conditions, the frequency equations have been obtained.
Filaments of semicircular cross section (diam 0.25–0.32 mm) were mounted in bulbs with plane windows. Chopped plane-polarized radiant flux was reflected from the flat surface, then passed through an analyzer whose plane of polarization made a 45° angle with the plane of reflection at the filament. The orientation of t…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA New Series of Four-, Five-, and Six-Coordinated Iridium ComplexesL. Vaska and D. L. CatoneCite this: J. Am. Chem. Soc. 1966, 88, 22, 5324–5325Publication Date (Print):November 1, 1966Publication History Published online1 May 2002Published inissue 1 November 1966https://pub…
The empirical correlation between meso-substitution and the phyllo-type spectrum in the porphyrin series is shown to be much less general than had previously been supposed. The variation of the spectrum with the electronic nature of the substituent is discussed.
Abstract An electron diffraction study was done with fine aragonite particles about 0.5 to 1.0 μ in size. The specimens were obtained by mixing a boiled calcium chloride solution (0.1 n) with 0.1 n of an ammonium carbonate solution. Extra spots were observed with half-integer indices {1⁄2,1⁄2,l}. This suggests the exi…
Abstract Stress softening of carbon black reinforced butadiene styrene rubber was studied as a function of the rate and temperature of the original tensile deformation. To a good approximation, stress softening depends on the product of the extension rate and a temperature function which is analytically well represent…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTKinetic Studies on the Incorporation of Iron(II) into Porphyrins1Richard J. Kassner and Jui H. WangCite this: J. Am. Chem. Soc. 1966, 88, 22, 5170–5173Publication Date (Print):November 1, 1966Publication History Published online1 May 2002Published inissue 1 November 1966http…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTQuantitative Solubility—Structure Relationships for Some meta- and para-Substituted Benzoic Acids in Benzene and in Cyclohexane1C. Kinney Hancock, John N. Pawloski, and John P. IdouxCite this: J. Org. Chem. 1966, 31, 11, 3801–3804Publication Date (Print):November 1, 1966Publ…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectronic Spectra of 8-Mercaptoquinoline.P. D. Anderson and D. M. HerculesCite this: Anal. Chem. 1966, 38, 12, 1702–1709Publication Date (Print):November 1, 1966Publication History Published online1 May 2002Published inissue 1 November 1966https://pubs.acs.org/doi/10.1021/a…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTComplexes of Trichlorostannate(II) with Group Ib MetalsJ. A. Dilts and M. P. JohnsonCite this: Inorg. Chem. 1966, 5, 11, 2079–2081Publication Date (Print):November 1, 1966Publication History Published online1 May 2002Published inissue 1 November 1966https://pubs.acs.org/doi/…
A technique combining pyrolysis and chromatography for the detection of vehicle tire abrasion products in roadway dust is described. Samples of elastomers used in tire formulations were volatilized and separated by gas-liquid chromatography to provide characteristic chromatograms. These identifying patterns appeared c…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTIntramolecular Photoacylation of Carbamates and Carbonates1N. C. Yang, Arnon Shani, and G. R. LenzCite this: J. Am. Chem. Soc. 1966, 88, 22, 5369Publication Date (Print):November 1, 1966Publication History Published online1 May 2002Published inissue 1 November 1966https://pu…
ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTA Thermodynamic Study of the Vaporization Behavior of the Substoichiometric Plutonium Dioxide Phase1R. J. Ackermann, R. L. Faircloth, and M. H. RandCite this: J. Phys. Chem. 1966, 70, 11, 3698–3706Publication Date (Print):November 1, 1966Publication History Published online1…
Abstract The temperature at which vermiculite loses or gains an interlayer of water molecules was compared for a number of interlayer ion saturations. Results indicate the difference between contracting and expanding forces in vermiculite to be dependent upon interlayer ion charge, distance, and hydration energy. Impo…
The fluorescence of phosphors ABO2:Eu(A=Li, Na; B=Sc, Y, In, La, Gd, and Lu) is reported and discussed. The Eu3+ emission is strongly influenced by the crystal surroundings: in the α-NaFeO2 structure the 5D0—7F1 transition dominates; in the α-LiFeO2 structure the 5D0—7F2 transition, although both structures can be der…