TY - JOUR
T1 - Syntheses and crystal structures of the first zinc complex with 1,3,5-triaza-7-phosphaadamantane (pta),[ZnCl2(PTA)2], and of the hybrid organic-inorganic salts of N-Methyl-1,3,5-triaza-7- phosphaadamantane with tetrahalozinc [PTA Me]2[ZnI2X 2] (X = I, Cl)
AU - Smoleński, Piotr
AU - Benisvy, Laurent
AU - Da Silva, M. Fátima C.Guedes
AU - Pombeiro, Armando J.L.
PY - 2009/3
Y1 - 2009/3
N2 - The ZnII compounds [ZnCl2(PTA)2] (1) (PTA = 1,3,5-triaza-7-phosphaadamantane) and [PTA-Me]2[ZnI 2X2] [X = CI (2a), X = I (2b); PTA-Me = N-methyl-l,3,5-triaza-7-phosphaadaman-tane] have been prepared by treating ZnCl2 with PTA and [PTA-Me]I, respectively, in methanol at room temperature. They are soluble in polar solvents such as water and methanol, stable in air, and have been characterized by IR, 1H NMR, 31P{1H} NMR, and 13C{1H} NMR spectroscopy, ESI-MS, elemental and single-crystal X-ray diffraction structural analyses (for 1 and 2a). Compound 1 exhibits a nearly regular tetrahedral Zn coordination, with the PTA ligands displaying the uncommon N-coordination with a low 31P NMR coordination shift. The molecular structure of 2a bears one discrete tetrahedral [ZnI2Cl2]2- anion and two cage-like [PTA-Me]+ cations, one of them being located in a void. Compound 1 represents the first example of a Zn complex bearing PTA or any derived ligand with a cage-like PTA core.
AB - The ZnII compounds [ZnCl2(PTA)2] (1) (PTA = 1,3,5-triaza-7-phosphaadamantane) and [PTA-Me]2[ZnI 2X2] [X = CI (2a), X = I (2b); PTA-Me = N-methyl-l,3,5-triaza-7-phosphaadaman-tane] have been prepared by treating ZnCl2 with PTA and [PTA-Me]I, respectively, in methanol at room temperature. They are soluble in polar solvents such as water and methanol, stable in air, and have been characterized by IR, 1H NMR, 31P{1H} NMR, and 13C{1H} NMR spectroscopy, ESI-MS, elemental and single-crystal X-ray diffraction structural analyses (for 1 and 2a). Compound 1 exhibits a nearly regular tetrahedral Zn coordination, with the PTA ligands displaying the uncommon N-coordination with a low 31P NMR coordination shift. The molecular structure of 2a bears one discrete tetrahedral [ZnI2Cl2]2- anion and two cage-like [PTA-Me]+ cations, one of them being located in a void. Compound 1 represents the first example of a Zn complex bearing PTA or any derived ligand with a cage-like PTA core.
KW - Coordination modes
KW - P ligands
KW - Zinc / N
KW - l,3,5-triaza-7-phosphaadamantane
UR - http://www.scopus.com/inward/record.url?scp=63449120998&partnerID=8YFLogxK
U2 - 10.1002/ejic.200801023
DO - 10.1002/ejic.200801023
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AN - SCOPUS:63449120998
SN - 1434-1948
SP - 1181
EP - 1186
JO - European Journal of Inorganic Chemistry
JF - European Journal of Inorganic Chemistry
IS - 9
ER -