{N,N′-Bis[1-(2-pyridyl)ethylidene]ethane-1,2-diamine-κ4 N,N′,N′′,N′′′}(thiocyanato-κN)zinc(II) perchlorate
نویسنده
چکیده
In the title compound, [Zn(NCS)(C(16)H(18)N(4))]ClO(4), the Zn(II) atom is five-coordinated by four N atoms of the Schiff base ligand N,N'-bis-[1-(2-pyrid-yl)ethyl-idene]ethane-1,2-diamine in the basal plane, and by the N atom of a thio-cyanate ligand at the apical position, forming a distorted square-pyramidal geometry. The r.m.s. deviation from a plane through the four N atoms of the Schiff base is 0.015 (3) Å, and the deviation of the Ni atom from that plane is 0.591 (2) Å. Bond lengths are comparable with those observed in similar zinc(II) complexes with Schiff bases. The two methyl-ene C atoms of the ethane-1,2-diamine bridge of the Schiff base ligand are disordered over two sites with occupancies of 0.587 (3) and 0.413 (3).
منابع مشابه
{N,N′-Bis[1-(2-pyridyl)ethylidene]ethane-1,2-diamine-κ4 N,N′,N′′,N′′′}bis(thiocyanato-κN)manganese(II)
The mol-ecule of the title compound, [Mn(NCS)(2)(C(16)H(18)N(4))], has crystallographic twofold rotation symmetry, with the Mn(II) atom lying on the rotation axis. The Mn(II) atom is six-coordinated by four N atoms of the Schiff base ligand and by two N atoms of two thio-cyanate ligands, forming a distorted octa-hedral geometry.
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In the title compound, [Mn(NCS)(2)(C(17)H(20)N(4))], the Mn(II) atom is six-coordinated by the N,N',N'',N'''-tetra-dentate Schiff base ligand and by two trans-N atoms from two thio-cyanate anions, forming a distorted octa-hedral geometry. The dihedral angle between the aromatic rings of the Schiff base is 9.5 (3)°.
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A discrete neutral Cu(II) complex, [Cu(CF(3)SO(3))(2)(C(16)H(18)N(4))], has been derived from the symmetrical tetra-dentate Schiff base, N,N'-bis-[1-(pyridin-2-yl)ethyl-idene]ethane-1,2-diamine. The copper centre assumes a tetra-gonally distorted pseudo-octa-hedral geometry with the O atoms of two trifluoro-methane-sulfonate anions coordinated weakly in the axial positions. The Cu-N distances l...
متن کاملBis{N-methyl-N′-[1-(pyridin-2-yl)ethylidene]ethane-1,2-diamine}zinc bis(perchlorate)
The title mononuclear zinc(II) complex, [Zn(C(10)H(15)N(3))(2)](ClO(4))(2), was obtained by the reaction of 2-acetyl-pyridine, N-methyl-ethane-1,2-diamine and zinc perchlorate in methanol. The asymmetric unit of the complex contains two independent [Zn(C(10)H(15)N(3))(2)](2+) cations and four perchlorate anions. The Zn(II) atom in each complex cation is six-coordinated by two pyridine N, two im...
متن کامل{N,N′-Bis[1-(2-pyridyl)ethylidene]propane-1,2-diamine}bis(thiocyanato-κN)nickel(II)
In the title complex, [Ni(NCS)(2)(C(17)H(20)N(4))], the Ni(2+) ion (site symmetry 2) is coordinated by the N,N,N,N-tetra-dentate Schiff base ligand and two thio-cyanate ligands, forming a distorted NiN(6) octa-hedral geometry, with the thio-cyanate N atoms in a trans orientation. The pendant methyl group of the central propane-1,2-diamine fragment of the ligand is statistically disordered over ...
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