Quarterly Journal of the Chemical Society of London |
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Page 2998
... molecule of diethylenetriamine , since the value of the heat of reaction AH1 , -18.00 kcal . mole ̄1 , is roughly equal to the heat of formation of three copper - nitrogen bonds , viz . -19.5 kcal . mole1 . The difference of 1.5 kcal ...
... molecule of diethylenetriamine , since the value of the heat of reaction AH1 , -18.00 kcal . mole ̄1 , is roughly equal to the heat of formation of three copper - nitrogen bonds , viz . -19.5 kcal . mole1 . The difference of 1.5 kcal ...
Page 3957
... molecule in the sense Cl2Sn - ÕH2 . Moreover , we have here the oxygen atom which belongs only to one tin atom whereas in SnO the charge is spread throughout a polymeric layer of atoms in four co - ordination . Therefore , the Sn - O ...
... molecule in the sense Cl2Sn - ÕH2 . Moreover , we have here the oxygen atom which belongs only to one tin atom whereas in SnO the charge is spread throughout a polymeric layer of atoms in four co - ordination . Therefore , the Sn - O ...
Page 4028
... molecule is effectively reduced by a hydrogen molecule and ferrous iron is formed . The mechanism is not known , but the complex can be imagined to be built up , as shown above , by combin- ation of Fe2 + and one indigo and one indigo ...
... molecule is effectively reduced by a hydrogen molecule and ferrous iron is formed . The mechanism is not known , but the complex can be imagined to be built up , as shown above , by combin- ation of Fe2 + and one indigo and one indigo ...
Contents
3082 | 2595 |
Interaction between selenium oxychloride and the trichlorides of boron | 2600 |
NO PAGE | 2601 |
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absorption acetic acid acetic anhydride acetone acetyl added alcohol alkali alumina Amer aqueous ation atom band benzene beryllium boiling bond bromide Calc carbon tetrachloride carbonyl Chem chloride chloroform chromatography cm.¹ colourless complexes compound concentrated cooled crystallised crystals cyclohexanone decomp decomposition derivative diethyl dilute dioxan dissolved distilled elution ester ethanol ethyl acetate evaporated EXPERIMENTAL extracted with ether filtered filtrate formation Found fraction gave heated hydride hydrochloric acid hydrolysis infrared infrared spectrum iodide isolated isomers isorotenolone ketone light petroleum b. p. lithium aluminium hydride m. p. and mixed methyl mixed m. p. mixture mole molecule needles nitrate nitric oxide nitrogen obtained peroxide phenyl phosphate potassium precipitate prepared pyridine quinazoline radicals reaction refluxed requires residue room temperature rotenone sample sodium hydroxide solid solution solvent spectra structure sulphate sulphuric acid Table ultraviolet values yellow yield