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Colloid and Polymer Science - Mit Hilfe des Gittermodells von Flüssigkeiten wird in Anlehnung an bekannte Ansätze die Entropie von ideal athermischen polymeren Vielkomponentenmischungen... 相似文献
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Synthesis of Oligomeric and Polymeric Alkali Aluminium and Alkali Iron Phosphates By thermal reactions in surplus phosphoric acid in dependence on the temperature, the size of the alkali cations MI and the atomic ratio MI:MIII alkali aluminium and alkali iron phosphates are formed, which with regard to the structure of their anions belong to seven different types of compounds. Compounds of the type MIM [(H2P3O10)(P4O12)] were obtained for the first time. The crystal lattice of these compounds includes both linear triphosphate and cyclotetraphosphate anions. 相似文献
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Normal coordinate analyses for a dimeric SbNbCl10 molecule, the finite chains SbNbCl11, Sb2Nb2Cl21 and Sb3Nb3Cl31 and the infinite chain (SbNbCl10) are performed. The final force constants of the SbNbCl10 dimer are given along with the vibrational frequencies and their corresponding potential energy distributions. Symmetry coordinates for molecular vibrations are specified for finite chains SbNbCl11, Sb2Nb2Cl21 and Sb3Nb3Cl31 and the infinite chain (SbNbCl10) and the constructed force fields were used to calculate the vibrational frequncies.
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Mit 1 Abbildung 相似文献
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