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2-[4-(2-Hy-droxy-eth-oxy)phenyl]-4,4,5,5-tetra-methyl-2-imidazoline-1-oxyl 3-oxide.

ABSTRACT: In the title compound, C(15)H(21)N(2)O(4), the imidazoline ring displays a twisted conformation. The dihedral angle between the mean plane of the imidazoline ring and the benzene ring is 33.50 (12)°. In the crystal, mol-ecules are connected by O-H⋯O hydrogen bonds, forming a zigzag chain along the c axis. The chains are linked by C-H⋯O and C-H⋯π inter-actions.

SUBMITTER: Jing LL

PROVIDER: S-EPMC3238993 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2-[3-Hy-droxy-4-(2-hy-droxy-eth-oxy)phen-yl]-4,4,5,5-tetra-methyl-2-imidazoline-1-oxyl 3-oxide.

Project description:In the title compound, C(15)H(21)N(2)O(5), the imidazoline ring displays a twisted conformation. The mean plane of the imidazoline ring makes a dihedral angle of 22.55?(5)° with the benzene ring. In the crystal, O-H?O and C-H?O hydrogen bonds link the mol-ecules into a layer parallel to the bc plane.

| S-EPMC3254551 | biostudies-literature

2-[2-(2-Hy-droxy-eth-oxy)phen-yl]-4,4,5,5-tetra-methyl-2-imidazoline-1-oxyl 3-oxide.

Project description:In the title compound, C(15)H(21)N(2)O(4), the nitronyl nitroxide unit displays a twisted conformation. The crystal structure is stabilized by non-classical C-H?O and C-H?? hydrogen bonds, which build up a three-dimensional network.

| S-EPMC3239125 | biostudies-literature

4,4,5,5-Tetra-methyl-2-(4-pyridinio)-2-imidazoline-1-oxyl-3-oxide perchlorate.

Project description:The crystal structure of the title compound, C(12)H(17)N(3)O(2) (+)·ClO(4) (-), consists of 4,4,5,5-tetra-methyl-2-(4-pyridinio)imidazoline-1-oxyl-3-oxide radical cations and perchlorate anions. Both the cation and the Cl atom of the anion are located on the same twofold rotation axis, and the crystal structure shows the average structure for the radical cation. The five-membered ring assumes a half-chair conformation. The cation links with the anion via N-H?O hydrogen bonding.

| S-EPMC2977742 | biostudies-literature

4,4,5,5-Tetramethyl-2-(4-pyridinio)imidazoline-1-oxyl-3-oxide chloride.

Project description:The title compound C(12)H(17)N(3)O(2) (+)·Cl(-) consists of a discrete [NITpPyH](+) cation [NITpPy = 2-(4'-pyrid-yl)-4,4,5,5-tetra-methyl-imidazoline-1-oxyl-3-oxide] and a chloride anion. The NITpPy mol-ecule is protonated at the N atom of the pyridyl ring. The anions and cations are connected via N-H?Cl hydrogen bonds.

| S-EPMC2968106 | biostudies-literature

Bis(pentane-2,4-dionato)bis-[2-(4-pyrid-yl)-4,4,5,5-tetra-methyl-imidazoline-1-oxyl 3-oxide]nickel(II).

Project description:In the title compound, [Ni(C(5)H(7)O(2))(2)(C(12)H(16)N(3)O(2))], the Ni(II) cation is hexa-coordinated by four O and two N atoms, showing a slightly distorted octa-hedral geometry. The Ni(II) cation lies on an inversion centre, as a consequence of which the asymmetric unit comprises one half-mol-ecule. The four O atoms belonging to two pentane-2,4-dionate ligands lie in the equatorial plane and two pyridyl N atoms occupy the axial coordination sites.

| S-EPMC2961770 | biostudies-literature

Bis[2,4-penta-nedionato(1-)]bis-[4,4,5,5-tetra-methyl--2-(4-pyrid-yl)-imidazoline-1-oxyl 3-oxide]manganese(II).

Project description:In the title compound, [Mn(C(5)H(7)O(2))(2)(C(12)H(16)N(3)O(2))], the manganese(II) cation (site symmetry ) is hexa-coordinated by four O and two N atoms in a distorted trans-MnN(2)O(4) octa-hedral geometry. The four O atoms belonging to two 2,4-penta-nedionate anions lie in the equatorial plane and the two N atoms occupy the axial coordination sites.

| S-EPMC2959951 | biostudies-literature

Dichloridobis[4,4,5,5-tetra-methyl-2-(5-methyl-1H-imidazol-4-yl-?N)-2-imidazoline-1-oxyl 3-oxide-?O]copper(II).

Project description:In the title complex, [CuCl(2)(C(11)H(17)N(4)O(2))(2)], the Cu(II) ion, lying on an inversion center, is six-coordinated in a distorted octa-hedral [Cu(N(2)O(2)Cl(2))] environment by two N,O-bidentate nitronyl nitroxide radical ligands and two trans-chloride anions. In the imidazoline-1-oxyl-3-oxide unit of the ligand, the four methyl groups and the C atoms to which they are bonded are disordered over two sets of sites, with a refined occupancy ratio of 0.737?(5):0.263?(5).

| S-EPMC3246935 | biostudies-literature

Bis(pentane-2,4-dionato-κO,O')bis-[4,4,5,5-tetra-methyl-2-(4-pyridyl)-imidazoline-1-oxyl 3-oxide-κN]manganese(II).

Project description:The title compound, [Mn(C(5)H(7)O(2))(2)(C(12)H(16)N(3)O(2))(2)], is isostructural with its Ni(II)-containing analogue [Hao, Mu & Kong (2008 ▶). Acta Cryst. E64, m957]. The asymmetric unit comprises one-half of the mol-ecule and the Mn(II) ion is located on an inversion centre. The coordination geometry around the Mn(II) ion is slightly distorted octa-hedral, comprised of four O and two N atoms, in which the four O atoms in the equatorial plane come from two pentane-2,4-dionate ligands and the two N atoms in the axial coordination sites from 4,4,5,5-tetra-methyl-2-(4-pyrid-yl)imidazoline-1-oxyl 3-oxide.

| S-EPMC2961987 | biostudies-literature

Dimethano-lbis[4,4,5,5-tetra-methyl-2-(5-methyl-imidazol-4-yl)-2-imidazoline-1-oxyl-3-oxide-?O,N]cobalt(II) diperchlorate.

Project description:In the mononuclear title complex, [Co(C(11)H(17)N(4)O(2))(2)(CH(3)OH)(2)](ClO(4))(2), the cobalt(II) atom lies on a symmetry centre and is coordinated by two O,N-bidentate ligands and two trans-arranged O atoms of the methanol mol-ecules in a slightly distorted octa-hedral geometry. In the crystal structure, cations and anions are linked by N-H?O and O-H?O hydrogen bonds into layers parallel to the bc plane.

| S-EPMC2980142 | biostudies-literature

Tris-(nitrato-?(2)O,O')bis[4,4,5,5-tetra-methyl-2-(pyridin-2-yl-?N)imidazoline-1-oxyl 3-oxide-?O]holmium(III).

Project description:In the title compound, [Ho(NO(3))(3)(C(12)H(16)N(3)O(2))(2)], the Ho(III) ion is ten-coordinated in a distorted bicapped square-anti-prismatic environment by two N,O-bidentate nitronyl nitroxide radical ligands and three O,O'-bidentate nitrate anions. Complex mol-ecules are connected by C-H?O hydrogen bonds into a three-dimensional network.

| S-EPMC3344306 | biostudies-literature

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