trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]nickel(II) bis(tetrafluoridoborate)

The bidentate 1,3,4-thiadiazole ligand, namely, 2,5-bis(2-pyridyl)-1,3,4-thiadiazole (denoted L), untested as a polydentate ligand, has been found to form the monomeric title complex, [Ni(C12H8N4S)2(H2O)2](BF4)2. The complex shows an octahedral environment of the nickel cation in which the Ni2+ ion...

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Main Authors: Fouad Bentiss, Frédéric Capet, Michel Lagrenée, Mohamed Saadi, Lahcen El Ammari
Format: Article
Language:English
Published: International Union of Crystallography 2011-08-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536811026420
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author Fouad Bentiss
Frédéric Capet
Michel Lagrenée
Mohamed Saadi
Lahcen El Ammari
author_facet Fouad Bentiss
Frédéric Capet
Michel Lagrenée
Mohamed Saadi
Lahcen El Ammari
author_sort Fouad Bentiss
collection DOAJ
description The bidentate 1,3,4-thiadiazole ligand, namely, 2,5-bis(2-pyridyl)-1,3,4-thiadiazole (denoted L), untested as a polydentate ligand, has been found to form the monomeric title complex, [Ni(C12H8N4S)2(H2O)2](BF4)2. The complex shows an octahedral environment of the nickel cation in which the Ni2+ ion is located on a center of symmetry, linked to two ligands and two water molecules. In this 1:2 complex (one metal for two organic ligands) each thiadiazole ligand uses one pyridyl and one thiadiazole N atom for chelate binding. In the second pyridyl substituent, the N atom is oriented towards the same direction as the S atom of the 1,3,4-thiadiazole ring. The mean plane of the thiadiazole and pyridyl rings linked to the nickel cation forms a dihedral angle with the other pyridine ring of 18.63 (8)°. The tetrafluoridoborate ions can be regarded as free anions in the crystal lattice. Nevertheless, they are involved in an infinite two-dimensional network parallel to (overline{1}01) through O—H...F hydrogen bonds.
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spelling doaj.art-897b604d60e342cbacd34fc9d392169c2022-12-21T23:50:04ZengInternational Union of CrystallographyActa Crystallographica Section E1600-53682011-08-01678m1052m105310.1107/S1600536811026420trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]nickel(II) bis(tetrafluoridoborate)Fouad BentissFrédéric CapetMichel LagrenéeMohamed SaadiLahcen El AmmariThe bidentate 1,3,4-thiadiazole ligand, namely, 2,5-bis(2-pyridyl)-1,3,4-thiadiazole (denoted L), untested as a polydentate ligand, has been found to form the monomeric title complex, [Ni(C12H8N4S)2(H2O)2](BF4)2. The complex shows an octahedral environment of the nickel cation in which the Ni2+ ion is located on a center of symmetry, linked to two ligands and two water molecules. In this 1:2 complex (one metal for two organic ligands) each thiadiazole ligand uses one pyridyl and one thiadiazole N atom for chelate binding. In the second pyridyl substituent, the N atom is oriented towards the same direction as the S atom of the 1,3,4-thiadiazole ring. The mean plane of the thiadiazole and pyridyl rings linked to the nickel cation forms a dihedral angle with the other pyridine ring of 18.63 (8)°. The tetrafluoridoborate ions can be regarded as free anions in the crystal lattice. Nevertheless, they are involved in an infinite two-dimensional network parallel to (overline{1}01) through O—H...F hydrogen bonds.http://scripts.iucr.org/cgi-bin/paper?S1600536811026420
spellingShingle Fouad Bentiss
Frédéric Capet
Michel Lagrenée
Mohamed Saadi
Lahcen El Ammari
trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]nickel(II) bis(tetrafluoridoborate)
Acta Crystallographica Section E
title trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]nickel(II) bis(tetrafluoridoborate)
title_full trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]nickel(II) bis(tetrafluoridoborate)
title_fullStr trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]nickel(II) bis(tetrafluoridoborate)
title_full_unstemmed trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]nickel(II) bis(tetrafluoridoborate)
title_short trans-Diaquabis[2,5-bis(pyridin-2-yl)-1,3,4-thiadiazole]nickel(II) bis(tetrafluoridoborate)
title_sort trans diaquabis 2 5 bis pyridin 2 yl 1 3 4 thiadiazole nickel ii bis tetrafluoridoborate
url http://scripts.iucr.org/cgi-bin/paper?S1600536811026420
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