Mostrando 7,361 - 7,380 Resultados de 2,754,589 Para Buscar '"3 %"', tiempo de consulta: 3.35s Limitar resultados
  1. 7361
    “…In the mol­ecule of the title Co(II) complex, [Co(C(6)H(4)NO(3))(2)(C(3)H(4)N(2))(2)], the Co(II) atom is located on a twofold rotation axis and chelated by two oxidopyridiniumcarboxyl­ate anions and further cis-coordinated by two imidazole ligands in a distorted octa­hedral geometry. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  2. 7362
  3. 7363
    “…In the title compound, C(23)H(23)Cl(2)N(3)O(2), the pyrroline ring adopts an envelope conformation and the piperidinone ring assumes a slightly twisted chair form. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  4. 7364
    “…In the title coordination polymer, {[Zn(SO(4))(C(18)H(16)N(6)O(2))(H(2)O)(3)]·CH(3)OH·H(2)O}(n), the Zn(2+) ion adopts a slightly distorted cis-ZnN(2)O(4) octa­hedral geometry arising from three coordinated water mol­ecules, one sulfate ion and two bridging 3,3′-bis­(3-pyrid­yl)-1,1′-(m-phenyl­ene)diurea (bpmpbu) ligands. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  5. 7365
    “…The Ca(II) cation is also coord­inated by five water mol­ecules with Ca—O distances in the range 2.355 (6)–2.543 (6) Å. There are three additional uncoordinated water mol­ecules in the asymmetric unit, the occupancy of which refined to 0.54 (3). …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  6. 7366
    “…The crystal packing is stabilized by π–π inter­actions between two phenanthroline ring systems, forming a centrosymmetric dimer with a centroid–centroid distance of 3.656 (1) Å.…”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  7. 7367
    “…In the title compound, C(25)H(21)NO(7)S, the heterocyclic thia­zine ring adopts a half-chair conformation, with the S and N atoms displaced by −0.284 (3) and 0.411 (3) Å, respectively, from the plane formed by the remaining ring atoms; the puckering parameters are: Q = 0.4576 (13) Å, θ = 58.6 (2) and ϕ = 34.3 (3)°. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  8. 7368
    “…In the title compound, C(15)H(11)N(3)O(4)S, the dihedral angle between the mean planes of the dihydro­indol-2-one (r.m.s. deviation = 0.015 Å) and dihydro­thieno[3,2-b]pyran (r.m.s. deviation = 0.011 Å) ring systems is 89.53 (3)°. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  9. 7369
    “…In the title compound, C(17)H(11)Br(3)N(2)O(3), the whole mol­ecule is disordered over two positions with a refined occupancy ratio of 0.770 (5):0.230 (5). …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  10. 7370
    “…In the crystal, pairs of inter­molecular O—H⋯N hydrogen bonds form inversion dimers of the 3-(2,5-dimethyl­furan-3-yl)-1H-pyrazol-5-ol species, generating R (2) (2)(8) ring motifs. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  11. 7371
    “…The crystal packing features weak slipped π–π inter­actions between the pyrimidine and the phenyl rings of symmetry-related mol­ecules [centroid–centroid distance = 3.746 (1)Å, slippage of 1.574 Å].…”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  12. 7372
  13. 7373
    “…The two imidazole rings are each planar (r.m.s. deviations = 0.0016 and 0.0060 Å) and make a dihedral angle of 45.3 (18)°. Intra­molecular O—H⋯F hydrogen bonds occur. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  14. 7374
  15. 7375
    “…In the title compound, C(23)H(22)ClN(3)O, the benzene ring of the 4-chorobenzyl group makes a dihedral angle of 78.56 (6)° with the best plane of the indole ring. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  16. 7376
    “…In the title molecular salt, C(25)H(38)N(4) (2+)·2PF(6) (−), one of the butyl groups and four F atoms in the basal plane of one of the PF(6) (−) octa­hedra are disordered over two sets of sites, with occupancy ratios of 0.704 (5):0.296 (5) and 0.71 (3):0.29 (3), respectively. The central benzene ring makes dihedral angles of 85.17 (12) and 81.97 (12)° with the terminal imidazole rings. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  17. 7377
  18. 7378
    “…In the title compound, C(19)H(19)ClN(4)S, the 2-chloro­phenyl and [1,2,4]triazolo[3,4-b] [1,3,4]thia­diazole fragments (r.m.s. deviations of 0.015 and 0.017 Å, respectively) are oriented at a dihedral angle of 55.76 (6)°. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  19. 7379
    “…In the title compound {systematic name: 4-[2,3-dibromo-3-(4-bromo­phen­yl)propano­yl]-3-(4-meth­oxy­phen­yl)-1,2,3-oxa­dia­zol-3-ylium-5-olate}, C(18)H(13)Br(3)N(2)O(4), the central oxadiazole ring, which is essentially planar with a maximum deviation of 0.016 (3) Å, makes dihedral angles of 29.98 (16) and 52.04 (16)°, respectively, with the terminal bromo-substituted and meth­oxy-substituted benzene rings. …”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Texto
  20. 7380
    “…In the title compound, C(26)H(27)NO(4), the heterocyclic ring assumes a half-chair conformation and inter­molecular C—H⋯O inter­actions help to construct the three-dimensional network within the crystal packing.…”
    Enlace del recurso
    Enlace del recurso
    Enlace del recurso
    Online Artículo Texto
Herramientas de búsqueda: RSS