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  1. 2561
    “…The prop-2-yn-1-yl residue is slightly twisted out of the plane of the benzene ring [C—O—C—C torsion angle = 173.1 (3)°] and is orientated away from the nitrile substituents. …”
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    4-(Prop-2-yn-1-yl­oxy)benzene-1,2-dicarbonitrile
  2. 2562
    “…The crystal packing involves inter­molecular C—H⋯O, C—H⋯N and C—H⋯π and two types of π–π inter­actions, with centroid–centroid distances of 3.9958 (10) and 3.7016 (13) Å.…”
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    Di-μ-acetato-κ(4) O:O-bis­({N′-[(E)-phen­yl­(pyridin-2-yl-κN)methyl­idene]benzo­hydrazidato-κ(2) N′,O}copper(II))
  3. 2563
    “…In the crystal, mol­ecules are linked by N—H⋯O, C—H⋯O and O—H⋯N hydrogen bonds. Furthermore, C—H⋯π inter­actions are also observed.…”
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    (E)-N′-(5-Bromo-2-hy­droxy­benzyl­idene)-2-(4-isobutyl­phen­yl)propano­hydrazide
  4. 2564
    “…In the crystal, the cation and anion are linked by an N—H⋯O=C hydrogen bond; these dimeric associations are further connected by weak C—H⋯O bonds to form linear supra­molecular chains extending in the [001] direction.…”
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    Triethyl­ammonium 1,3-dimethyl-5-(2,4,6-trinitro­phenyl)barbiturate
  5. 2565
    “…In the title compound, C(6)H(5)N(3)O·C(13)H(11)N(3)O, the benzo­triazole ring system in the 1-benzyl-1H-benzotriazole 3-oxide (A) mol­ecule is close to being planar (r.m.s. deviation = 0.011 Å); its mean plane forms a dihedral angle of 67.56 (7)° with that of the attached phenyl ring. …”
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    1-Benzyl-1H-benzotriazole 3-oxide–1-hy­droxy-1H-benzotriazole (1/1)
  6. 2566
    “…The Cu(II) atoms in the title coordination polymer, {[Cu(C(13)H(11)N(4)O)(C(2)N(3))]·H(2)O}(n), are N,N′,O-chelated by the deprotonated Schiff base ligands, and adjacent metal atoms are bridged by the dicyanamide ions, generating a polymeric chain that propagates along the b axis. …”
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    catena-Poly[[[{1-[(E)-phenyl(pyridin-2-yl-κN)methylidene]semicarbazidato-κ(2) N (1),O}copper(II)]-μ-dicyanamido-κ(2) N (1):N (5)] monohydrate]
  7. 2567
    “…In the title compound, [VClO(C(12)H(12)N(2))(2)]Cl·C(2)H(5)OH·H(2)O, the V(IV) atom is six-coordinated in a distorted octa­hedral geometry by four N atoms from two 4,4′-dimethyl-2,2′-bipyridine ligands, one O atom and one Cl atom. …”
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    cis-Chloridobis(4,4′-dimethyl-2,2′-bipyridine-κ(2) N,N′)oxidovanadium(IV) chloride ethanol monosolvate monohydrate
  8. 2568
    por Gotoh, Kazuma, Ishida, Hiroyuki
    Publicado 2012
    “…In the crystal, each unit independently forms a chain through N—H⋯O and O—H⋯N hydrogen bonds; one chain runs along the c axis while the other runs along [011]. Weak C—H⋯O, C—H⋯N and C—H⋯Cl inter­actions are observed between the chains.…”
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    A triclinic polymorph of 4-cyano­pyridinium hydrogen chloranilate
  9. 2569
    “…The packing is consolidated by C—H⋯O, C—H⋯π and very weak aromatic π–π stacking inter­actions [centroid–centroid separation = 4.085 (2) Å].…”
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    N-(4-Chloro­phen­yl)-1-(5-{[(2-phenyl­ethen­yl)sulfon­yl]meth­yl}-1,3,4-oxadiazol-2-yl)methane­sulfonamide
  10. 2570
    “…The two meth­oxy and the nitro substituents are almost coplanar with their attached benzene rings, with C—O—C—C torsion angles of −1.3 (4) and −4.6 (4)°, and an O—N—C—C torsion angle of 17.1 (3)°. …”
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    4-Meth­oxy-N-(4-meth­oxy-2-nitro­phen­yl)benzamide
  11. 2571
    “…In the title co-crystal, C(12)H(11)Br(2)N(3)O·C(4)H(5)NO(2), the naphthyridine derivative and the pyrrolidine-2,5-dione mol­ecules have crystallographic mirror-plane symmetry with all non-H atoms, except the Br atom, located on the mirror plane. …”
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    N-(7-Dibromo­methyl-5-methyl-1,8-naphthyridin-2-yl)acetamide–pyrrolidine-2,5-dione (1/1)
  12. 2572
    “…In the crystal, the components are connected by O—H⋯N, N—H⋯O, C—H⋯O and N—H⋯N hydrogen bonds. Weak aromatic π–π inter­actions also occur [shortest centroid–centroid distance = 3.684 (3) Å].…”
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    4-[Amino­(3-methyl­phen­yl)methyl­idene]-2-(3-methyl­phen­yl)-1H-imidazol-5(4H)-one ethanol hemisolvate
  13. 2573
    por Tiritiris, Ioannis
    Publicado 2012
    “…In the title salt, C(19)H(25)N(4)O(+)·C(24)H(20)B(−), the C=N and C—N bond lengths in the CN(3) unit are 1.3327 (8)/1.3364 (9) and 1.3802 (9) Å, indicating double- and single-bond character, respectively. …”
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    N-(Diphenyl­carbamo­yl)-N,N′,N′,N′′,N′′-penta­methyl­guanidinium tetra­phenyl­borate
  14. 2574
    por You, Xin-Yu, Shi, Yao-Jie, Yu, Luo-Ting
    Publicado 2012
    “…The carbonyl and ring C=N double bonds adjacent to the carbonyl group are trans [N—C—C—O = 172.31 (15) °], while the conformation of the carbonyl and propene double bonds is cis [O—C—C—C = 2.2 (2)°]. In the crystal, short C—H⋯N and C—H⋯O inter­actions together with C—H⋯π inter­actions generate a three-dimensional network.…”
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    (E)-3-Dimethyl­amino-1-(1,3-thia­zol-2-yl)prop-2-en-1-one
  15. 2575
    “…The asymmetric unit of the title compound, 2C(5)H(6)ClN(3)O·C(4)H(6)O(4), consists of one 4-chloro-6-meth­oxy­pyrimidin-2-amine mol­ecule and one half-mol­ecule of succinic acid which lies about an inversion centre. …”
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    4-Chloro-6-meth­oxy­pyrimidin-2-amine–succinic acid (2/1)
  16. 2576
    “…In the crystal, mol­ecules are linked through N—H⋯O(=P) and N—H⋯O(=C) hydrogen bonds into chains along [001].…”
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    N-(4-Fluoro­benzo­yl)-N′,N′′-diisopropyl­phospho­ric triamide
  17. 2577
    por Tiritiris, Ioannis
    Publicado 2012
    “…The asymmetric unit of the title salt, C(5)H(12)N(3)O(+)·C(3)H(5)O(3) (−), contains two carboxamidinium and two ethyl carbonate ions. …”
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    Morpholine-4-carboxamidinium ethyl carbonate
  18. 2578
    “…Deuterium incorporation into the α-methylene group of such alkyl ester products (2-O-C(O)CD(2)R), when the analogous alkyl orthoester is treated with deuterated acid, is established utilizing the novel orthoester myo-inositol 1,3,5-orthobutyrate as an example. …”
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    Regioselective Opening of myo-Inositol Orthoesters: Mechanism and Synthetic Utility
  19. 2579
    por Jin, Xiu-Dan, Wu, Jin-Long
    Publicado 2013
    “…The two carbonyl groups are trans to one another, with an O=C—C=O torsion angle of −137.1 (3)°. In the crystal, mol­ecules are linked by N—H⋯O hydrogen bonds forming chains propagating along [001]. …”
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    2-(2-Chloro­phen­yl)-N-cyclo­hexyl-2-oxoacetamide
  20. 2580
    “…In the crystal, N—H⋯N and C—H⋯O=C inter­actions form a layer arrangement parallel to the bc plane. …”
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    N-{1,2-Bis(pyridin-3-yl)-2-[(E)-(pyridin-3-yl)methyl­idene­amino]­eth­yl}nicotinamide
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