495. Magnetic studies with copper(<scp>II</scp>) salts. Part II. Anomalous paramagnetism and δ-bonding in anhydrous and hydrated copper(<scp>II</scp>)n-alkanoates

Martin, R. L.; Waterman, H. J.

doi:10.1039/jr9570002545

Cited by 94 publications

(34 citation statements)

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“…Lifschitz & Rosenbohm (1915) found that its molar susceptibility was anomalously low compared with that of other copper salts. Guha (1951) and Figgis & Martin (1956) have reported the temperature variation of susceptibility for copper acetate, both hydrated and anhydrous, and Martin & Waterman (1957) reported similar measurements for various higher members of the series. All these compounds show a paramagnetic susceptibility which has a maximum at about 270 °K and which falls steeply with decreasing temperature.…”

Section: Introductionmentioning

confidence: 72%

The crystal and molecular structure of anhydrous copper butyrate

Bird¹,

Lomer²

1972

Acta Crystallogr Sect B

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Anhydrous copper butyrate, [CH3(CH2)2COO]2Cu, is triclinic witha = 9.004 + 0.005, b = 11.736 + 0.005, c=5"162+0"005/~,, 6t=94.7+0.5, fl=71.3+0.5, and y=95.2+0.5 . The space group is P] w~-h each cell containing one dimer made up of two of the above formula units. Two of the hydrocarbon chains in each dimer are in the usual plane zigzag conformation but the other two are markedly deformed by rotations about single bonds. The small distance between copper atoms in a dimer is 2.565 A which is similar to that in copper acetate monohydrate.

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Section: Introductionmentioning

confidence: 72%

The crystal and molecular structure of anhydrous copper butyrate

Bird¹,

Lomer²

1972

Acta Crystallogr Sect B

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“…3a) [9][10][11][12]. Ils confirment en fait 1'existence de complexes binucl6aires, dans la phase cristalline, pour les savons a chaine paraffinique longue, comme cela avait ddja ete sugg6rd par des dtudes magndtiques rdalisdes sur une sdrie de savons de cuivre [18][19][20][21].…”

Section: To Cite This Versionunclassified

Etude par spectroscopie EXAFS au seuil K du cuivre des phases cristalline et colomnaire du stéarate de cuivre

et al. 1988

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Résumé. 2014 La spectroscopie EXAFS au seuil K du cuivre a été utilisée pour décrire l'environnement local des atomes de cuivre dans les phases cristalline et mésomorphe colomnaire du stéarate de cuivre. Dans les colonnes de la phase mésomorphe, les groupes polaires s'empilent de manière très régulière ; les molécules de savon y interviennent à l'état dimérisé, formant des complexes binucléaires de géométrie « plan-carré » comme à l'état cristallin. Les atomes de cuivre sont beaucoup plus proches entre eux à l'intérieur d'un même dimère (2,7 Å) qu'entre deux dimères successifs (3,2 Å) le long de l'axe des colonnes de la phase mésomorphe. Abstract. 2014 Copper-K edge EXAFS spectroscopy has been used to probe the local environment of copper atoms in the crystalline and columnar mesomorphic phases of copper stearate. In the columns of the mesophase, polar groups are stacked one over the other very regularly ; the soap molecules are dimerized, and form binuclear complexes like in the crystalline state. The copper atoms are closer within a single dimer (2.7 Å) than between two successive dimers (3.2 Å) along the axis of the column in the mesophase.J. Phys. France 49 (1988) [345][346][347][348][349][350][351][352]

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“…A number of other copper(I1) carboxylates have magnetic properties similar to those of copper(I1) acetate monohydrate and it has been generally accepted that, provided agreement with eq. [l] is observed, these compounds have analogous binuclear structures (4)(5)(6)(7)(8).…”

Section: Introductionmentioning

confidence: 99%

Magnetic properties of pyridine copper (II) chlorobenzoates

Lin¹,

Thompson²

1968

Can. J. Chem.

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Magnetic susceptibility studies have been made on the bispyridine adducts of copper(I1) 111-chlorobenzoate and copper(I1) p-chlorobenzoate and on samples of composition Cu(C1C6H4CO2),(C5H5N),, where 2 > x _> 0. Results show that whercas the bispyridine adducts are essent~ally magnetically d~lute the monopyridine and hemipyridine adducts of these copper chlorobenzoates are antiferromagnetic, exhibiting ~nagnetic properties typical of binuclear molecules.

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495. Magnetic studies with copper(II) salts. Part II. Anomalous paramagnetism and δ-bonding in anhydrous and hydrated copper(II)n-alkanoates

Abstract: Martivl and Waterman. 2545 495. Hagnetic Studies with Copper(rr) Salts. Part lL1 Anomalous PaTamaCgnetimn and 6-Bondinq in Anhydrous and Hydrated Copper(n) n-AZknoates.

Cited by 94 publications

References 0 publications

The crystal and molecular structure of anhydrous copper butyrate

The crystal and molecular structure of anhydrous copper butyrate

Etude par spectroscopie EXAFS au seuil K du cuivre des phases cristalline et colomnaire du stéarate de cuivre

Magnetic properties of pyridine copper (II) chlorobenzoates

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