Sepulchrate

Continuous free flow electrophoresis has been used for the separation of biopolymers (e.g. ovalbumin and lysozyme) [20] as well as smaller inorganic species (e.g. [Co sepulchrate)] and [Co (CN)g] ) [21]. Sample processing rates of 15 mg h were reported for a mixture of Amaranth (MW 804) and Patent Blue VF (MW 1159) [22]. 

Spassky N, Leborgne A, Sepulchre M (1981) Pure Appl. Chem. 53 1735... 

Everard, John. [Emerald table] Everard s commentary on Emerald Tablet. Tabula Smaragdina or The Table of Emerald said to be found in the Sepulchre of Hermes with glosses (in italic) by John Everard, Doctor of Divinity. 

Cobalt(III) sepulchrate (l)8 and tetrazamacrocyclic complexes of cobalt(II) (2)9 and nickel(II) (3) (6)9-11 catalyze the electroreduction of water to dihydrogen, at potentials ranging from - 0.7 V (complex (1)) to — 1.5 V (complexes (4)-(6)) vs. SCE in aqueous electrolytes, with current efficiencies as high as 95% for complex (4).9 It is noteworthy that the binuclear nickel biscyclam complex (6) is 10 times more active (at pH 7) than the mononuclear nickel cyclam complex (5). This behavior tends to indicate that some cooperativity between the two metal centers occurs in complex (6), as depicted in the possible reaction (Scheme 3) involving a dihydride intermediate.11... 

X-ray diffraction studies of the Co(n) and Co(m) sepulchrate complexes indicate that they have similar structures although, as expected, the M-N bond lengths are shorter (1.99 A) in the Co(m) complex than in the Co(ii) species (2.16 A). The Co(n) complex was obtained by direct reduction of the Co(m) analogue using zinc dust. A striking feature of the syntheses of these species is that the reactions proceed with retention of the configuration of the [Co(l,2-diaminoethane)3]3+ starting complex. 

By the immediate fulfilment of the prediction, that the carcase of the prophet should not come to the sepulchre of his fathers, a solemn shade was spread over the spot where he was buried, and... 

As for the difference observed for the sepulchrate complex, that may have to do with strain in the ligand. A student of mine has done some calculations considering the fact that the ligand itself may change the preferred distance and change the frequencies. This could account for a large part of the difference between the self-exchange rate constants for the sepulchrate and trisethylenediamine complexes. 

H O, en/2, sepulchrate/6, PP/2), with the variation being systematic in size,... 

Similar questions arise for other polyhaloalkanes such as CCI4, CBr and CCljBr. Their reduction by two bulky coordination compounds (a polyoxo-metallate and a sepulchrate ) reputed to function as outer sphere electron donors have been recently investigated (Eberson and Ekstrom 1988a,b) as well as the reduction of CCI4 by aromatic anion radicals (Eberson et al.,... 

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