Two ternary compounds of formula Ni(L-asp)B, (L-asp = L-aspartate ion; B = imidazole and 2-methylimidazole)were prepared and characterized by means of magnetic and spectroscopic measurements. For one of them, the Ni(L-asp)(im),complex, the crystal structure was also determined. The compound crystallizes in the monoclinic space group P2, with fourformula units in a cell of dimensions a = 22.001 (2) A, b = 8.631 (1) A, c = 8.514 (1) b;, and p = 95.07 (1)°. X-ray diffractiondata were collected with a Philips PW 1100 automated four-circle diffractometer by using Mo Ka radiation. The structurewas solved by the heavy-atom method and refined by full-matrix least-squares procedures to a final R factor of 0.0514 for205 1 independent reflections. The structure consists of two crystallographically independent but chemically equivalentNi(L-asp)(im), molecules in which each Ni atom is coordinated in a distorted octahedral geometry by one L-aspartate ion,acting as a tridentate ligand, and by three imidazole molecules. Infrared and ligand field spectroscopies and magnetic measurementsall agree with the observed crystal structure.

Coordination behavior of L-aspartic acid: ternary nickel(II) complexes with imidazoles. Crystal and molecular structure of (L-aspartate)tris(imidazole)nickel(II) / L. P., Battaglia; Corradi, Anna; Antolini, Luciano; Marcotrigiano, Giuseppe Onofrio; Menabue, Ledi; Pellacani, Gian Carlo. - In: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. - ISSN 0002-7863. - STAMPA. - 104:(1982), pp. 2407-2411. [10.1021/ja00373a013]

Coordination behavior of L-aspartic acid: ternary nickel(II) complexes with imidazoles. Crystal and molecular structure of (L-aspartate)tris(imidazole)nickel(II).

CORRADI, Anna;ANTOLINI, Luciano;MARCOTRIGIANO, Giuseppe Onofrio;MENABUE, Ledi;PELLACANI, Gian Carlo
1982

Abstract

Two ternary compounds of formula Ni(L-asp)B, (L-asp = L-aspartate ion; B = imidazole and 2-methylimidazole)were prepared and characterized by means of magnetic and spectroscopic measurements. For one of them, the Ni(L-asp)(im),complex, the crystal structure was also determined. The compound crystallizes in the monoclinic space group P2, with fourformula units in a cell of dimensions a = 22.001 (2) A, b = 8.631 (1) A, c = 8.514 (1) b;, and p = 95.07 (1)°. X-ray diffractiondata were collected with a Philips PW 1100 automated four-circle diffractometer by using Mo Ka radiation. The structurewas solved by the heavy-atom method and refined by full-matrix least-squares procedures to a final R factor of 0.0514 for205 1 independent reflections. The structure consists of two crystallographically independent but chemically equivalentNi(L-asp)(im), molecules in which each Ni atom is coordinated in a distorted octahedral geometry by one L-aspartate ion,acting as a tridentate ligand, and by three imidazole molecules. Infrared and ligand field spectroscopies and magnetic measurementsall agree with the observed crystal structure.
104
2407
2411
Coordination behavior of L-aspartic acid: ternary nickel(II) complexes with imidazoles. Crystal and molecular structure of (L-aspartate)tris(imidazole)nickel(II) / L. P., Battaglia; Corradi, Anna; Antolini, Luciano; Marcotrigiano, Giuseppe Onofrio; Menabue, Ledi; Pellacani, Gian Carlo. - In: JOURNAL OF THE AMERICAN CHEMICAL SOCIETY. - ISSN 0002-7863. - STAMPA. - 104:(1982), pp. 2407-2411. [10.1021/ja00373a013]
L. P., Battaglia; Corradi, Anna; Antolini, Luciano; Marcotrigiano, Giuseppe Onofrio; Menabue, Ledi; Pellacani, Gian Carlo
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/732849
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