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759403-02-6

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759403-02-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 759403-02-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,9,4,0 and 3 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 759403-02:
(8*7)+(7*5)+(6*9)+(5*4)+(4*0)+(3*3)+(2*0)+(1*2)=176
176 % 10 = 6
So 759403-02-6 is a valid CAS Registry Number.

759403-02-6Upstream product

759403-02-6Relevant articles and documents

SYNTHESIS AND CHEMICAL BEHAVIOR OF THE 2- AND 3- DICARBIDE CLUSTERS; X-RAY CRYSTAL STRUCTURE OF 2

Arrigoni, Aurora,Ceriotti, Alessandro,Pergola, Roberto Della,Longoni, Giuliano,Manassero, Mario,Sansoni, Mirella

, p. 243 - 254 (1985)

The synthesis and properties of the new dicarbidocarbonyl bimetallic clusters 2- (I), 3- (II), and 3- (III), are described.Compound I, which is paramagnetic, has been synthesized in high yields by redox-condensation of Co3(CO)9CCl with 2-, whereas the diamagnetic trianions II and III have been respectively obtained by reduction of I, with sodium metal in THF and sodium hydroxide in methanol.The anion I has been isolated in a crystalline state in association with several tetrasubstituted ammonium or phosphonium cations, which are characterized by elemental analysis and by a single-crystal X-ray diffraction study, of the tetraphenylphosphonium salt.The anion I has a metal frame based on a 3,4,3-C2h stack of metal atoms, which may be regarded as derived by condensation of two either octahedral or trigonal-prismatic moieties.The resulting deca-vertices metal polyhedron encapsulates a C2 fragment showing a short C-C interatomic separation of 1.48 Angstroem.The three cobalt atoms cannot be distinguished from the remaining seven nickel atoms and are probably randomly distributed over the ten vertices.The M-M distances are scattered over the range 2.34-2.80 Angstroem, and each carbide carbon is encapsulated in a seven-vertices cage which may be described as a distorted capped trigonal prism.The carbonyl stereochemistry comprises six carbonyl groups terminally bonded to the atoms of the top and bottom triangular layers, and ten edge-bridging CO which span the ten inter-layer edges.The structure of this decanuclear dicarbide cluster is compared with those reported for related species and a rationalization is offered for the variations of the metal geometry and the C-C interatomic separation.

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