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Topic: Molar refractivity

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	Molar Refractivity (Site not responding. Last check: 2007-10-13)
		What is Molar refractivity Molar refractivity is a measure of the volume occupied by an atom or group and is dependent on the temperature, the...
		Molar refractivity is a measure of the volume occupied by an atom or group and is dependent on the temperature, the index of refraction, and the...
		Molar refractivity Molar refractivity is a measure of the volume occupied by an atom or group and is dependent on the temperature, the index of...
	www.1st-for-dental-care.com /OPG/dental2774.html (306 words)

	Molar Refractivity (Site not responding. Last check: 2007-10-13)
		The index is based on a molar refractivity partition using...
		CMR calculates molar refractivity for a given structure by an atom-and-bond-based method...
		Molar Refractivity can be considered as the sum of either atom or...
	www.1st-in-dental-care.com /OPG/molar-refractivity.html (341 words)

	AAS Biographical Memoirs - Raymond James Wood Le Fevre 1905-1986
		The magnitude and sign of the measured effect depends on the 'Kerr constant' which is related to the structure of the molecules forming the medium and their electronic properties.
		The procedure most often used by Le Fèvre was to compute the molecular polarisability tensors (using component group parameters) and thence the molar Kerr constants for the various possible stereo-structures and to compare the latter with the molar Kerr constant from experiment.
		The power of the method, due in large measure to the fact that the Kerr constant is often greatly sensitive to variations of molecular geometry, was recognised early in the Sydney programme.
	www.asap.unimelb.edu.au /bsparcs/aasmemoirs/lefevre.htm (10274 words)

	AAS-Biographical memoirs-Le Fèvre
		The UCL-Sydney activities were the subject of Le Fèvre's Presidential Address to Section B of ANZAAS at the 1955 Melbourne meeting, which was titled 'The Kerr Effect in Chemistry'.
		By 1953, Professor and Mrs Le Fèvre had devised and tested a method whereby the electric double refraction of a solute, expressed as the quantity
		(the solute molar Kerr constant at infinite dilution) could meaningfully be extracted from experiments in solution.
	www.science.org.au /academy/memoirs/lefevre.htm (10248 words)

	QSARMS: Newsletter 1998
		Rev., 96, >1045, [1996]) As your new equations are being derived through the regression portion of C-QSAR, they can be compared with those already present in the databank.
		Some parameters--such as hydrophobicity (log P), molar refractivity (and its excess over an alkane of equal size), and molar volume--are calculated for automatic loading into the regression program, while others can be automatically loaded from an extensive database of >electronic and steric substituent constants.
		C-QSAR makes it easier to winnow out irrelevant parameters in a biological activity study, and to compare the coefficients (i.e., the relative importance) of those remaining to those in well-established physical chemical processes.
	www.qsar.org /news/oct98.htm (7754 words)

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