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X-RAY STRUCTURES OF BIS[(2-AMINOPHENYL)DIPHENYLPHOSPHINE]BIS-(ETHANOL)SILVER(I) NITRATE AND TRIS[(2-AMINOPHENYL)DIPHENYLPHOSPHINE] SILVER(I) NITRATE MONOHYDRATE
Titel:
X-RAY STRUCTURES OF BIS[(2-AMINOPHENYL)DIPHENYLPHOSPHINE]BIS-(ETHANOL)SILVER(I) NITRATE AND TRIS[(2-AMINOPHENYL)DIPHENYLPHOSPHINE] SILVER(I) NITRATE MONOHYDRATE
Auteur:
Tiekink, Edward R. T.
Verschenen in:
Journal of coordination chemistry
Paginering:
Jaargang 28 (1993) nr. 3-4 pagina's 223-230
Jaar:
1993-06-01
Inhoud:
The crystal structures of two Ag(I) salts, [Ag(LH)2(EtOH)2](NO3) (1) and [Ag(LH)3](NO3).H2O (2) where LH is (2-aminophenyl)diphenylphosphine, have been determined at room temperature. In 1 the Ag atom is coordinated by two P atoms derived from the phosphine ligands (Ag-P(1) 2.433(3) and Ag-P(2) 2.439(3) Å and P(1)-Ag-P(2) 160.1(1)°) and two O atoms derived from two weakly coordinating ethanol molecules (Ag-O(1a) 2.49(1) and Ag-O(2a) 2.75(1) Å). In 2 the three phosphine ligands coordinate via the P atoms (Ag-P 2.455(2), 2.462(2) and 2.484(2) Å) which define a trigonal planar geometry about the Ag atom. In neither case was any evidence found for a bonding interaction between the amino-N atom and the Ag atom. Crystals of 1 are monoclinic, space group P21/n with unit cell dimensions: a=10.272(4), b=16.358(2), c=23.709(3) Å, β=101.01(2)° and Z=4 and crystals of 2 are triclinic, space group P1 with a=11.857(2), b=21.285(2), c=11.190(4) Å, α=91.77(1), β=104.50(2), γ=97.93(1)° and Z=2. The structures were each refined by a full-matrix least-squares procedure to final R=0.058 using 2433 reflections for 1 and to R=0.069 using 4428 reflections for 2.
Uitgever:
Taylor & Francis
Bronbestand:
Elektronische Wetenschappelijke Tijdschriften
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