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[?-10,21-Dimethyl-3,6,14,17-tetra-aza-tricyclo-[17.3.1.1]tetra-cosa-1(23),8(24),9,11,19,21-hexa-ene-23,24-diolato-?N,N,O,O:N,N,O,O]bis-[(nitrato-?O,O')nickel(II)].

ABSTRACT: In the title centrosymmetric dinuclear nickel complex, [Ni(2)(C(22)H(30)N(4)O(2))(NO(3))(2)], each of the two Ni(II) atoms has a distorted octa-hedral geometry, defined by two N atoms and two O atoms from the macrocyclic ligand and two O atoms from a chelating nitrate anion. The two Ni atoms are bridged by two phenolate O atoms, forming a four-membered Ni(2)O(2) ring.

SUBMITTER: Li QJ

PROVIDER: S-EPMC2977579 | biostudies-literature | 2009 Apr

REPOSITORIES: biostudies-literature

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[μ-10,21-Dimethyl-3,6,14,17-tetra-aza-tricyclo-[17.3.1.1]tetra-cosa-1(23),8(24),9,11,19,21-hexa-ene-23,24-diolato-κN,N,O,O:N,N,O,O]bis-[(nitrato-κO,O')nickel(II)].

Li Quan-Jun QJ Ma Jian-Fang JF Liu Jie J Han Ting-Ting TT

Acta crystallographica. Section E, Structure reports online 20090418 Pt 5

In the title centrosymmetric dinuclear nickel complex, [Ni(2)(C(22)H(30)N(4)O(2))(NO(3))(2)], each of the two Ni(II) atoms has a distorted octa-hedral geometry, defined by two N atoms and two O atoms from the macrocyclic ligand and two O atoms from a chelating nitrate anion. The two Ni atoms are bridged by two phenolate O atoms, forming a four-membered Ni(2)O(2) ring. ...[more]

PMID: 21583765

Similar Datasets

Dichlorido[?-10,21-dimethyl-2,7,13,18-tetra-phenyl-3,6,14,17-tetra-aza-tricyclo-[17.3.1.1]tetra-cosa-1(23),2,6,8,10,12(24),13,17,19,21-deca-ene-23,24-diolato]dicopper(II) ethanol hemisolvate dihydrate.

Project description:The dinuclear title complex, [Cu(2)(C(46)H(38)N(4)O(2))Cl(2)]·0.5C(2)H(5)OH·2H(2)O, is located on crystallographic inversion centres with two half-mol-ecules in the asymmetric unit. The two Cu(II) atoms are coordinated by a hexa-dentate dianionic ligand formed in situ from the condensation of two tridentate ligands by four imine N atoms and two bridging phenolate O atoms along with two Cl atoms at axial positions. The coordination geometry around the metal atoms is distorted square-pyramidal (? = 0.185 and 0.199). The non-bonding Cu?Cu distances are 2.9556?(12) and 2.9506?(12)?Å in the two dimers. The packing is stabilized through solvent-mediated inter-molecular O-H?O and O-H?Cl hydrogen bonds. The diamine chain of one of the dimers is disordered over two positions in a 0.680?(5):0.320?(5) ratio.

| S-EPMC3011775 | biostudies-literature

[μ-10,21-Dimethyl-3,6,14,17-tetra-za-tricyclo-[17.3.1.1]tetra-cosa-1(23),2,6,8,10,12 (24),13,17,19,21-deca-ene-23,24-diolato-κN,N,O,O:κN,N,O,O]bis-(perchlorato-κO)dimanganese(II).

Project description:In the centrosymmetric and dinuclear title complex, [Mn(2)(C(22)H(22)N(4)O(2))(ClO(4))(2)], the two Mn atoms are bridged by two phenolate O atoms of the N(4)O(2) macrocycle with an Mn⋯Mn distance of 2.9228 (11) Å. The distorted square-pyramidal N(2)O(3) coordination geometry is completed by an O atom derived from a perchlorate anion.

| S-EPMC2959967 | biostudies-literature

[?-(4S,5S,15S,16S)-10,21-Di-tert-butyl-4,5,15,16-tetra-phenyl-3,6,14,17-tetra-aza-tricyclo-[17.3.1.1]tetra-cosa-1(23),8,10,12(24),19,21-hexa-ene-23,24-diolato-?N,N,O,O:NN,O,O]bis-[(acetato-?O)zinc(II)] ethanol disolvate.

Project description:In the title compound, [Zn(2)(C(36)H(42)N(4)O(2))(CH(3)COO)(2)]·2CH(3)CH(2)OH, a centrosymmetric dinuclear zinc macrocyclic complex is accompanied by two half-occupied ethanol solvent molecues resulting in a 1:2 macrocycle-solvent composition. The Zn(II) atom has a square-pyramidal geometry arising from an N(2)O(3) donor set, being coordinated by two N atoms and two O atoms from the macrocyclic ligand in the equatorial sites and one O atom from an acetate anion in the apical site. The two Zn(II) atoms are linked by two phenolate O atoms, generating a four-membered Zn(2)O(2) ring at the centre of the macrocycle. The tert-butyl group shows rotational disorder over two sets of sites in a 0.552?(12):0.448?(12) ratio. In the crystal, N-H?O and O-H?O hydrogen bonds are seen and a short intra-molecular C-H?O contact occurs.

| S-EPMC2969517 | biostudies-literature

10,21-Dimethyl-2,7,13,18-tetraphenyl-3,6,14,17-tetraazatricyclo[17.3.1.1]tetracosa-1(23),2,6,8(24),9,11,13,17,19,21-decaene-23,24-diol cyclohexane 0.33-solvate.

Project description:The title compound, C(46)H(40)N(4)O(2)·0.33C(6)H(12), was obtained unintentionally as a product of an attempted synthesis of a cadmium(II) complex of the [2,6-{PhSe(CH(2))(2)N=CPh}(2)C(6)H(2)(4-Me)(OH)] ligand. The full tetra-imino-diphenol macrocyclic ligand is generated by the application of an inversion centre. The macrocyclic ligand features strong intra-molecular O-H?N hydrogen bonds. The dihedral angles formed between the phenyl ring incorporated within the macrocycle and the peripheral phenyl rings are 82.99?(8) and 88.20?(8)°. The cyclo-hexane solvent mol-ecule lies about a site of [Formula: see text] symmetry. Other solvent within the lattice was disordered and was treated with the SQUEEZE routine [Spek (2009). Acta Cryst. D65, 148-155].

| S-EPMC3201359 | biostudies-literature

{3,14-Dimethyl-2,6,13,17-tetra-aza-tricyclo-[16.4.0.0]docosane-κN,N',N'',N''')bis-(nitrato-κO)copper(II).

Project description:The Cu(II) atom in the title compound, [Cu(NO(3))(2)(C(20)H(40)N(4))], is N,N',N'',N'''-chelated by the macrocyclic ligand: the four N atoms form a square, above and below which are located the O atoms of the nitrate ions. The metal atom exists in a tetra-gonally distorted octa-hedron, on a special position of [Formula: see text] site symmetry. One of the amino groups is hydrogen bonded to an O atom of the nitrate ion. The other amino group is hydrogen bonded to O atom of an adjacent mol-ecule, generating a supra-molecular dimeric hydrogen-bonded dinuclear aggregate.

| S-EPMC3274913 | biostudies-literature

Diethyl 7,8,18,19-tetra-methyl-2,13-dioxo-hexa-cyclo-[10.10.2.0.0.0.0]tetra-cosa-5,7,9,16,18,20-hexa-ene-23,24-dicarboxyl-ate.

Project description:The asymmetric unit of the title compound, C(30)H(34)N(4)O(6), contains two independent mol-ecules. In one independent mol-ecule, the two eth-oxy-carbonyl groups are each disordered over two conformations with occupancy ratios of 0.586?(2):0.414?(2) and 0.508?(2):0.492?(2). The crystal packing exhibits weak inter-molecular C-H?O hydrogen bonds.

| S-EPMC3006902 | biostudies-other

Diethyl 6,9,17,20-tetra-bromo-2,13-di-oxo-hexa-cyclo-[10.10.2.0.0.0.0]tetra-cosa-5,7,9,16,18,20-hexa-ene-23,24-dicarboxyl-ate.

Project description:In the title mol-ecule, C(26)H(22)Br(4)N(4)O(6), the dihedral angle between the aromatic rings is 30.0?(1)°. One ethyl fragment is disordered between two positions in a 1:1 ratio. The crystal packing exhibits weak inter-molecular C-H?O hydrogen bonds and short Br?O contacts of 3.349?(6)?Å.

| S-EPMC2968834 | biostudies-other

[?-11,23-Dibromo-3,7,15,19-tetra-aza-tri-cyclo-[19.3.1.1]hexa-cosa-1(25),2,7,9,11,13(26),14,19,21,23-deca-ene-25,26-diolato-?N,N,O,O':?O,O',N,N]bis[perchloratocopper(II)].

Project description:The title complex, [Cu(2)(C(22)H(20)Br(2)N(4)O(2))(ClO(4))(2)], was prepared by the condensation of 2,6-diformyl-4-bromo-phenol with 1,3-diamino-propane in the presence of copper(II) ions. The macrocyclic ligand shows an approximately planar structure except for the two propene groups in the macrocycle. The coordination polyhedron of each Cu atom can be described as distorted square pyramidal. The two Cu atoms are bridged by two phenolate O atoms of the macrocycle, with a Cu?Cu distance of 3.109?(2)?Å.

| S-EPMC2960380 | biostudies-literature

2,13-Dibenzyl-5,16-diethyl-2,6,13,17-tetra-aza-tricyclo-[16.4.0.0]docosan-2-ium nitrate.

Project description:One of the tertiary amine atoms has been protonated in the title salt, C(36)H(57)N(4) (+)·NO(3) (-). The four N atoms of the macrocycle are almost coplanar (r.m.s. deviation = 0.0053?Å), a result correlated with the formation of intra-molecular N-H?N and N-H?(N,N) hydrogen bonds. With respect to this plane, the benzyl groups lie to either side; a similar arrangement pertains for the cyclo-hexyl rings (each with a chair conformation). Helical supra-molecular chains are evident in the crystal, whereby alternating cations and anions are linked by C-H?O inter-actions. The chains are consolidated into supra-molecular arrays in the ab plane via C-H?? contacts involving both benzene rings.

| S-EPMC3213608 | biostudies-literature

catena-Poly[[(1,12,15,26-tetra-aza-5,8,19,22-tetra-oxa-3,4:9,10:17,18:23,24-tetra-benzocyclo-octa-cosane-?N,N,N,N)nickel(II)]-?-terephthalato-?O:O].

Project description:In the title compound, [Ni(C(8)H(4)O(4))(C(36)H(44)N(4)O(4))](n), the Ni(II) atom is coordinated in a distorted octa-hedral geometry by the four N atoms of the 1,12,15,26-tetra-aza-5,8,19,22-tetra-oxa-3,4:9,10:17,18:23,24-tetra-benzocyclo-octa-cosane ligand and two O atoms from the terephthalate dianions. The Ni(II) atoms, which lie on inversion centres, are linked via terephthalate ligands to form a chain structure along [101]. The structure is stabilized by three intra-molecular and one inter-molecular N-H?O hydrogen bonds.

| S-EPMC2959746 | biostudies-literature

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