ZfN: Search Results

1	Author	G. S. Sodhi, J. Kaur	Requires cookie*
	Title	Thermogravimetric Studies on Bimetallic Dithiocarbamate Complexes+
	Abstract	Thermogravimetric (TG) studies have been carried out for some bimetallic dithiocarbamate complexes o f the type ZnM L4 and N iM 'L 4 [M = Co(II), Cu(II); M' = Zn(II), Hg(II); L = N-methylcyclohexyldithiocarbamate; L' = N-ethylcyclohexyldithiocarbamate]. From TG curves, the order, apparent activation energy and apparent activation entropy for the thermal decomposition reaction have been calculated. The thermal stabilities have been correlated with the structures o f the complexes on the basis o f hard and soft acid base (H SA B) theory.
	Reference	Z. Naturforsch. 47b, 1297—1299 (1992); received March 16 1992
	Published	1992
	Keywords	Thermogravimetry, Complexes, Activation Energy
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	TEI-XML for	default:Reihe_B/47/ZNB-1992-47b-1297.pdf
	Identifier	ZNB-1992-47b-1297
	Volume	47

2	Author	Joachim Fuchs, Axel Thiele, Rosemarie Palm	Requires cookie*
	Title	Structure and Vibrational Spectrum of the a-Undecatungstophosphate Na2[N(CH3)4]4HPWii039 * 7 H20
	Abstract	The crystal structure of the compound Na2[N(CH3)4]4HPWn039 • 7H20 was solved by X-ray diffraction. It crystallizes in the space group C2/m with lattice parameters a= 23.895 Ä, b = 11.417 A, c = 28.930 A, ß= 126.0°. The distances between the tungsten atoms and the kind of bridging by oxygen atoms prove the a-isomer. The differences between the vibration spectra of a-undecatungsto-phosphate and a-dodecatungstophosphate are discussed.
	Reference	Z. Naturforsch. 36b, 544—550 (1981); eingegangen am 2. Februar 1981
	Published	1981
	Keywords	a-Undecatungstophosphate, X-ray, Vibrational Spectra, Thermogravimetry
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	TEI-XML for	default:Reihe_B/36/ZNB-1981-36b-0544.pdf
	Identifier	ZNB-1981-36b-0544
	Volume	36