Peer-Reviewed Journal Details
Mandatory Fields
Cunningham, D,McArdle, P,Mitchell, M,Ni Chonchubhair, N,O'Gara, M,Franceschi, F,Floriani, C
2000
April
Inorganic Chemistry
Adduct formation between alkali metal ions and divalent metal salicylaldimine complexes having methoxy substituents. A structural investigation
Published
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Optional Fields
SCHIFF-BASE COMPLEXES CARBON-DIOXIDE FIXATION X-RAY STRUCTURE CRYSTAL-STRUCTURE MAGNETIC-PROPERTIES SODIUM-CATION TIN CHEMISTRY NICKEL BOND REACTIVITY
39
1639
1649
Sodium, potassium, and cesium salts (iodides, nitrates, acetates, and tetraphenylborates) form 1/1, 1/2 and 2/3 adducts with MLn [M = Co, Ni, Cu, and Zn; n = 1-4; H2L1 = N,N'-(3-methoxysalicylidene)ethane-1,2-diamine; H2L2, H2L3, and H2L4 are the -propane-1,2-diamine, -o-phenylenediamine, and -propane-1,3-diamine analogues of H2L1). Metal salicylaldimine, alkali metal, and anion all exert influence on stoichiometry and reactivity. Sodium ions tend to reside within the planes of the salicylaldimine oxygens, as in Na(NO3)(MeOH). Ni-4 (1), Na(NO3)(MeOH). CuL1 (2; both with unusual seven-coordinated sodium), and Na .(NiL4)(2)I . EtOH . H2O (3; with dodecahedral sodium coordination geometry). Potassium and cesium tend to locate between salicylaldimine ligands as in KI . NiL4 (4) and [Cs(NO3). NiL4](3). MeOH (5; structures with infinite sandwich assemblies), CsI .(NiL2)(2). H2O (6), CsI3.(NiL4)(2) (7; Simple sandwich structures), and [K(MeCN)](2).(NiL4)(3) (8; a triple-decker sandwich structure). Crystal data for 1 are the following: triclinic, P1, a = 7.3554(6) Angstrom, b = 11.2778(10) Angstrom, c = 13.562(2) Angstrom, alpha = 96.364(10)degrees, beta = 101.924(9)degrees, gamma = 96.809(10)degrees, Z = 2. For 2, triclinic, P1, a = 7.2247(7) Angstrom, b = 11.0427(6) Angstrom, c = 13.5610(12) Angstrom, a = 94.804(5)degrees, beta = 98.669(7)degrees, gamma = 99.26(6)degrees, Z = 2. For 3, orthorhombic, Pbca, a = 14.4648(19) Angstrom, b = 20.968(3) Angstrom, c = 28.404(3) Angstrom, Z = 8. For 4, triclinic, P1, a = 12.4904(17) Angstrom, b = 13.9363(13) Angstrom, c = 14.1060(12) Angstrom, alpha = 61.033(7)degrees, beta = 89.567(9)degrees, gamma = 71.579(10)degrees, Z = 2. For 5, monoclinic- P2(1)/n, a = 12.5910(2) Angstrom, b = 23.4880(2) Angstrom, c = 22.6660(2) Angstrom, beta = 99.3500(1)degrees, Z = 4. For 6, orthorhombic, Pbca, a = 15.752(3) Angstrom, b = 23.276(8) Angstrom, c = 25.206(6) Angstrom, Z = 8. For 7, triclinic, P1, a = 9.6809(11) Angstrom, b = 10.0015(13) Angstrom, c = 11.2686(13) Angstrom, alpha = 101.03 degrees, beta = 90.97 degrees, gamma = 100.55 degrees, Z = 2. For 8, monoclinic, C2/c, a = 29.573(5) Angstrom, b = 18.047(3) Angstrom, c = 23.184(3) Angstrom, beta = 122.860(10)degrees, Z = 8.
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