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4'-(2,5,8,11,14-Penta-oxabicyclo-[13.4.0]nona-deca-15,17,19-trien-17-yl-oxy)-2,2':6',2''-terpyridine: a powder study.

ABSTRACT: The central pyridine ring of the 2,2':6',2''-terpyridine fragment of the title compound, C(29)H(29)N(3)O(6), forms dihedral angles of 5.2?(5), 10.1?(5) and 86.0?(6)°, respectively, with the two outer pyridine rings and the benzene ring of the benzo-15-crown-5 fragment.

SUBMITTER: Logacheva NM

PROVIDER: S-EPMC2915286 | biostudies-other | 2007

REPOSITORIES: biostudies-other

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4'-(2,5,8,11,14-Penta-oxabicyclo-[13.4.0]nona-deca-15,17,19-trien-17-yl-oxy)-2,2':6',2''-terpyridine: a powder study.

Logacheva Nadezhda M NM Puryaeva Tamara P TP Tsivadze Aslan Yu AY Velikodny Yurii A YA Chernyshev Vladimir V VV

Acta crystallographica. Section E, Structure reports online 20071206 Pt 1

The central pyridine ring of the 2,2':6',2''-terpyridine fragment of the title compound, C(29)H(29)N(3)O(6), forms dihedral angles of 5.2 (5), 10.1 (5) and 86.0 (6)°, respectively, with the two outer pyridine rings and the benzene ring of the benzo-15-crown-5 fragment. ...[more]

PMID: 21200792

Similar Datasets

Bis{4'-[(2,3,5,6,8,9,11,12-octa-hydro-1,4,7,10,13-benzopenta-oxacyclo-penta-decin-15-yl)meth-oxy]-2,2':6',2''-terpyridine}cadmium(II) bis-(hexa-fluorido-phosphate) trihydrate: a powder study.

Project description:The asymmetric unit of the title compound, [Cd(C(30)H(31)N(3)O(6))(2)](PF(6))(2)·3H(2)O, contains one half-cation with the Cd(II) center situated on a twofold rotational axis, one hexa-fluoridophosphate anion and two uncoordinated water mol-ecules, one of which is also situated on a twofold rotational axis. The cations are associated into columns along the a axis through ?-? inter-actions between the pyridine and benzene rings, with a centroid-centroid distance of 3.72?(5)?Å. Inter-molecular O-H?O, C-H?O and C-H?F hydrogen bonds consolidate the crystal packing.

| S-EPMC2971444 | biostudies-literature

4'-(2-Meth-oxy-phen-yl)-2,2':6',2''-terpyridine.

Project description:In the title compound, C22H17N3O, the N atoms of the pyridine rings exhibit a typical trans-trans arrangement: the dihedral angles between the central pyridine ring and the peripheral rings are 22.24 (4) and 2.38 (4)°. In the crystal, pairwise C-H⋯N hydrogen bonds form inversion dimers described by an R 2 2(6) graph set descriptor, which further inter-act through C-H⋯π and π-π inter-actions, creating a two-dimensional supra-molecular network propagating in the bc plane.

| S-EPMC11618872 | biostudies-literature

6,6'-Dimeth-oxy-2,2',3,3',5-penta-nitro-1,1'-biphen-yl.

Project description:In the axially chiral title compound, C(14)H(9)N(5)O(12), the dihedral angle between the two benzene rings is 86.0 (8)°. In the crystal structure, the mol-ecules display a two-dimensional framework formed by weak inter-molecular C-H⋯O hydrogen bonds.

| S-EPMC2961469 | biostudies-literature

(2,2-Bipyrid-yl)bis-(?-penta-methyl-cyclo-penta-dien-yl)strontium(II).

Project description:In the title compound, [Sr(C(10)H(15))(2)(C(10)H(8)N(2))], the Sr-N distances are 2.624?(3) and 2.676?(3)?Å, the Sr?Cp ring centroid distances are 2.571 and 2.561?Å and the N-C-C-N torsion angle in the bipyridine ligand is -2.2?(4)°. Inter-estingly, the bipyridine ligand is tilted. The angle between the plane defined by the Sr atom and the two bipyridyl N atoms and the plane defined by the 12 atoms of the bipyridine ligand is 10.7?(1)°.

| S-EPMC2960620 | biostudies-literature

4'-[4-(Pyridin-2-yl)phen-yl]-2,2':6',2''-terpyridine.

Project description:In the title compound, C(26)H(18)N(4), each ring is almost planar with maximum deviation of 0.012 (5) Å. In the crystal, mol-ecules are stacked by weak C-H⋯π inter-actions, forming a three-dimensional framework.

| S-EPMC3009191 | biostudies-literature

4'-[2-(Trifluoro-meth-yl)phen-yl]-2,2':6',2''-terpyridine.

Project description:The title compound, C(22)H(14)F(3)N(3), is a versatile tridentate N-donor ligand consisting of a terpyridyl (terpy) molecule substituted in the 4'-position by a phenyl group, itself substituted in an ortho-position by a bulky trifluoro-methyl group. The phenyl ring is twisted as a result of steric inter-actions involving the bulky trifluoro-methyl substituent. This is reflected in the dihedral angle between the mean plane through the C atoms of the phenyl ring and the terpyridyl unit being 69.2 (1)°. The crystal structure contains no short van der Waals contacts. However, the terpy units stack in a head-to-tail orientation perpendicular to the c axis. The structure is is loosely stabilized by π-π inter-actions between the terminal pyridine rings of adjacent mol-ecules along the stack. The perpendicular distance between the mean planes through the terpy moieties of adjacent mol-ecules is 3.4 (1) Å.

| S-EPMC2968217 | biostudies-literature

Diethyl [4-(2,2':6',2''-terpyridine-4'-yl)phen-yl]phospho-nate.

Project description:The title compound, C25H24N3O3P, was obtained by catalytic phospho-nation of 4'-(4-bromphen-yl)-2,2':6',2''-terpyridine. The terpyridine moiety is nearly planar, the dihedral angles between the central and the outer rings being 4.06 (9) and 5.39 (9)°. The N atoms in the two pyridine rings are oriented nearly anti-periplanar to that of the central ring. The benzene ring is rotated out of the plane of the central ring of the terpyridine unit by 34.65 (6)°.

| S-EPMC3885073 | biostudies-literature

Aqua-[4'-(4-chloro-phen-yl)-2,2':6',2''-terpyridine]-nitratocopper(II) nitrate [4'-(4-chloro-phen-yl)-2,2':6',2''-terpyridine]-dinitratocopper(II) monohydrate.

Project description:The crystal structure of the title compound, [Cu(NO(3))(C(21)H(14)ClN(3))(H(2)O)]NO(3)·[Cu(NO(3))(2)(C(21)H(14)ClN(3))]·H(2)O, con-sists of two crystallographically independent Cu(II) complexes, in which each copper cation is penta-coordinated by three N atoms of the chelating ligand and two O atoms of nitrate anions or water mol-ecules. One of the coordinated nitrate anions is disordered over two set of sites in a 0.85:0.15 ratio.

| S-EPMC3052087 | biostudies-literature

Dimeth-yl(2,2':6',2''-terpyridine-?N,N',N'')zinc(II).

Project description:The title compound, [Zn(CH(3))(2)(C(15)H(11)N(3))], was synthesized by the addition of dimethyl-zinc to 2,2':6',2''-terpyridine and was crystallized by the slow evaporation of THF. The penta-coordinate Zn(II) atom, lying on a twofold rotation axis, displays a distorted trigonal-bipyramidal geometry, with two terminal N atoms at the axial positions and the central N atom and two methyl C atoms at the equatorial positions.

| S-EPMC2971104 | biostudies-literature

(2,2'-Bipyrid-yl-κ(2) N,N')bis-(η(5)-penta-methyl-cyclo-penta-dien-yl)barium.

Project description:In the title compound, [Ba(C10H15)2(C10H8N2)], the Ba-N distances are 2.798 (3) and 2.886 (3) Å, and the Cp ring centroid distances to Ba(2+) are 2.7291 (7) and 2.7192 (9) Å. The angle between the N atoms in the bypyridine ligand and the metal ion is 56.80 (8)° and the N-C-C-N torsion angle in the bi-pyridine ligand is 1.7 (4)°. The bi-pyridine ligand is almost planar, the dihedral angle formed by the intersection of the planes defined by the pyridyl rings being 3.04 (19)°, and the angle between the plane defined by the Ba(2+) ion and the two bipyridyl N atoms and the plane defined by the 12 atoms of the bi-pyridine ligand is 10.2 (3)°. The average Ba-N and Ba-centroid distances are 0.16 and 0.14 Å longer, respectively, than the equivalent distances in the isotypic strontium compound [Kazhdan et al. (2008 ▶). Acta Cryst. E64, m1134]. This difference is in accord with the difference between the ionic radii of 0.16 Å suggested by Shannon [Acta Cryst. (1976 ▶), A32, 751-767].

| S-EPMC3793675 | biostudies-literature

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