Three new mononuclear nickel(II) cyanate and isocyanate compounds derived from macrocyclic ligands: [Ni(TMCY) (NCO)](ClO4), [Ni(m-CTH)(OCN)1.5(ClO4)0.5]
作者： Ramon Vicente , Albert Escuer , M.S. El Fallah , Xavier Solans , Mercé Font-Bardia
DOI: 10.1016/S0020-1693(97)05481-9
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摘要: Abstract The compounds [Ni(TMCY)(NCO)](ClO 4 ) ( 1 ), [Ni(Cyclam)(NCO)(H 2 ))](ClO and [Ni( m -CTH)(OCN) 1.5 (ClO 0.5 ] 3 in which TMCY is 1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane, Cyclam 1,4,8,11-tetraazacyclotetradecane -CTH meso -5,5,7,12,12,14-hexamethyl-1,4,8,11-tetraazacyclotetradecane have been synthesized structurally characterized, crystallizes the orthorhombic system, space group Pbca , with FW=456.62, a = 15.296(3), b 15.772(3), c 17.521(3), A, V 4227(2), A Z 8, R 0.027, w =0.033. nickel atom pentacoordinated, monoclinic P2 FW 418.52, 11.277(5), 16.070(6), 9.873(4), β 90.68(3)°, 1789(2) 4, 0.062, 0.069. placed an octahedral environment, triclinic P −1, 911.89, 8.752(2), 8.718(2), 15.671(3), α 104.01(2), 105.25(2), γ 95.96(2)°, 1101.2(4) 1, 0.0553, 0.1624. environment oxygen of cyanato ligand occupying one coordination sites.
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