Literature DB >> 22199911

N,N,N,N-Tetra-kis(2,3,4,5,6-penta-fluoro-benzo-yl)pyridine-2,6-diamine.

Arto Valkonen, Erkki Kolehmainen, Borys Ośmiałowski.   

Abstract

The title compound, C(33)H(3)F(20)N(3)O(4), is a highly fluorinated organic imide that was isolated as an unexpected product from the reaction of 2,6-diamino-pyridine with 2,3,4,5,6-penta-fluoro-benzoyl chloride in a 1:2 molar ratio. The mol-ecule is located on a twofold axis and one of its symmetry-independent 2,3,4,5,6-penta-fluoro-benzoyl groups is disordered over two sets of sites, the occupancy of the major component being 0.773 (3). In the major component, the dihedral angle between the perfluoro-phenyl groups is 63.64 (10)°, and these groups form dihedral angles of 67.14 (7) and 21.1 (2)° with the pyridine core. Short inter-molecular C-H⋯O and C-H⋯N contacts are found in the crystal structure.

Entities:  

Year:  2011        PMID: 22199911      PMCID: PMC3239063          DOI: 10.1107/S1600536811048768

Source DB:  PubMed          Journal:  Acta Crystallogr Sect E Struct Rep Online        ISSN: 1600-5368


Related literature

For preparation of 2-acyl­amino­pyridines and their structures, see: Ośmiałowski et al. (2010a ▶,b ▶). For related structures, see: Kovalevsky et al. (1999 ▶).

Experimental

Crystal data

C33H3F20N3O4 M = 885.38 Monoclinic, a = 21.2370 (5) Å b = 6.3940 (1) Å c = 23.1045 (5) Å β = 100.585 (1)° V = 3083.96 (11) Å3 Z = 4 Mo Kα radiation μ = 0.21 mm−1 T = 123 K 0.30 × 0.18 × 0.16 mm

Data collection

Bruker–Nonius KappaCCD with an APEXII detector diffractometer 7138 measured reflections 3785 independent reflections 2526 reflections with I > 2σ(I) R int = 0.039

Refinement

R[F 2 > 2σ(F 2)] = 0.057 wR(F 2) = 0.133 S = 1.05 3785 reflections 366 parameters 97 restraints H-atom parameters constrained Δρmax = 0.35 e Å−3 Δρmin = −0.42 e Å−3 Data collection: COLLECT (Bruker, 2008 ▶); cell refinement: DENZO-SMN (Otwinowski & Minor, 1997 ▶); data reduction: DENZO-SMN; program(s) used to solve structure: SIR2004 (Burla et al., 2005 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: ORTEP-3 (Farrugia, 1997 ▶) and Mercury (Macrae et al., 2008 ▶); software used to prepare material for publication: SHELXL97. Crystal structure: contains datablock(s) global, I. DOI: 10.1107/S1600536811048768/gk2434sup1.cif Structure factors: contains datablock(s) I. DOI: 10.1107/S1600536811048768/gk2434Isup2.hkl Supplementary material file. DOI: 10.1107/S1600536811048768/gk2434Isup3.cml Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C33H3F20N3O4F(000) = 1736
Mr = 885.38Dx = 1.907 Mg m3
Monoclinic, C2/cMo Kα radiation, λ = 0.71073 Å
Hall symbol: -C 2ycCell parameters from 4030 reflections
a = 21.2370 (5) Åθ = 0.4–28.3°
b = 6.3940 (1) ŵ = 0.21 mm1
c = 23.1045 (5) ÅT = 123 K
β = 100.585 (1)°Block, colourless
V = 3083.96 (11) Å30.30 × 0.18 × 0.16 mm
Z = 4
Bruker–Nonius KappaCCD with an APEXII detector diffractometer2526 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tubeRint = 0.039
graphiteθmax = 28.2°, θmin = 1.8°
Detector resolution: 9 pixels mm-1h = −27→28
φ and ω scansk = −8→8
7138 measured reflectionsl = −30→30
3785 independent reflections
Refinement on F2Primary atom site location: structure-invariant direct methods
Least-squares matrix: fullSecondary atom site location: difference Fourier map
R[F2 > 2σ(F2)] = 0.057Hydrogen site location: inferred from neighbouring sites
wR(F2) = 0.133H-atom parameters constrained
S = 1.05w = 1/[σ2(Fo2) + (0.0381P)2 + 7.2159P] where P = (Fo2 + 2Fc2)/3
3785 reflections(Δ/σ)max < 0.001
366 parametersΔρmax = 0.35 e Å3
97 restraintsΔρmin = −0.42 e Å3
Experimental. 13C NMR (CDCl3): δ (ppm) = 159.4, 149.1, 144.5, 142.4, 141.7, 138.7, 136.6, 123.8, 110.5.
Geometry. All s.u.'s (except the s.u. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell s.u.'s are taken into account individually in the estimation of s.u.'s in distances, angles and torsion angles; correlations between s.u.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell s.u.'s is used for estimating s.u.'s involving l.s. planes.
Refinement. Refinement of F2 against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F2, conventional R-factors R are based on F, with F set to zero for negative F2. The threshold expression of F2 > 2σ(F2) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.
xyzUiso*/UeqOcc. (<1)
F10.86727 (7)0.9378 (2)0.69841 (7)0.0376 (4)
F20.78577 (10)0.8370 (3)0.59909 (7)0.0616 (5)
F30.72661 (9)0.4583 (3)0.58930 (7)0.0579 (5)
F40.75118 (6)0.1782 (2)0.67885 (7)0.0362 (4)
F50.82680 (7)0.2875 (2)0.78079 (6)0.0345 (4)
O10.87489 (9)0.8475 (3)0.82339 (8)0.0380 (4)
N70.93905 (9)0.5589 (3)0.82488 (9)0.0330 (5)
N11.00000.5463 (4)0.75000.0278 (6)
C20.97130 (10)0.4368 (4)0.78664 (11)0.0303 (5)
C30.97017 (12)0.2207 (4)0.78901 (14)0.0392 (7)
H30.94960.14950.81650.047*
C41.00000.1126 (6)0.75000.0450 (11)
H41.0000−0.03600.75000.054*
C80.88798 (11)0.6875 (4)0.80002 (11)0.0295 (5)
C90.84960 (10)0.6158 (4)0.74248 (10)0.0253 (5)
C100.83779 (11)0.7515 (4)0.69504 (11)0.0293 (5)
C110.79688 (13)0.6999 (4)0.64361 (11)0.0373 (6)
C120.76727 (13)0.5075 (4)0.63878 (11)0.0368 (6)
C130.77919 (11)0.3668 (4)0.68450 (11)0.0294 (5)
C140.81941 (10)0.4222 (4)0.73576 (10)0.0257 (5)
O21.02137 (19)0.5421 (8)0.9007 (2)0.0851 (16)0.773 (2)
C150.9663 (3)0.5901 (8)0.8850 (2)0.0484 (16)0.773 (2)
F60.96821 (11)0.9929 (4)0.93716 (10)0.0545 (6)0.773 (2)
F70.90327 (13)1.0815 (4)1.02541 (11)0.0641 (8)0.773 (2)
F80.82644 (14)0.7899 (4)1.06022 (10)0.0548 (7)0.773 (2)
F90.81043 (14)0.4137 (4)1.00624 (12)0.0565 (7)0.773 (2)
F100.87435 (13)0.3237 (4)0.91753 (12)0.0533 (7)0.773 (2)
C160.92394 (13)0.6546 (4)0.92708 (10)0.0413 (10)0.773 (2)
C170.93101 (11)0.8490 (4)0.95442 (11)0.0429 (9)0.773 (2)
C180.89756 (12)0.8949 (3)0.99922 (10)0.0451 (9)0.773 (2)
C190.85705 (12)0.7464 (4)1.01668 (10)0.0432 (9)0.773 (2)
C200.84999 (14)0.5520 (4)0.98934 (13)0.0407 (11)0.773 (2)
C210.88343 (15)0.5061 (3)0.94454 (13)0.0381 (12)0.773 (2)
O2B1.0322 (5)0.4514 (16)0.8935 (5)0.041 (3)0.227 (2)
C15B0.9785 (6)0.524 (2)0.8821 (5)0.027 (4)0.227 (2)
F6B1.0454 (3)0.7631 (12)0.9763 (3)0.048 (2)0.227 (2)
F7B0.9953 (4)0.8597 (13)1.0711 (3)0.060 (2)0.227 (2)
F8B0.8734 (5)0.7549 (14)1.0761 (3)0.059 (2)0.227 (2)
F9B0.8023 (5)0.5329 (19)0.9872 (4)0.058 (3)0.227 (2)
F10B0.8522 (4)0.4215 (13)0.8935 (3)0.0397 (18)0.227 (2)
C16B0.9465 (4)0.6015 (14)0.9305 (3)0.029 (3)0.227 (2)
C17B0.9844 (3)0.7046 (14)0.9773 (3)0.040 (2)0.227 (2)
C18B0.9591 (4)0.7582 (14)1.0267 (3)0.043 (3)0.227 (2)
C19B0.8959 (4)0.7086 (15)1.0293 (3)0.042 (3)0.227 (2)
C20B0.8581 (3)0.6055 (17)0.9825 (4)0.034 (3)0.227 (2)
C21B0.8833 (4)0.5519 (16)0.9331 (4)0.025 (3)0.227 (2)
U11U22U33U12U13U23
F10.0398 (8)0.0247 (7)0.0498 (9)−0.0086 (6)0.0121 (7)0.0033 (7)
F20.0912 (14)0.0489 (11)0.0402 (9)−0.0188 (10)0.0006 (9)0.0136 (8)
F30.0692 (12)0.0568 (12)0.0403 (9)−0.0210 (10)−0.0093 (8)−0.0015 (9)
F40.0296 (7)0.0285 (8)0.0512 (9)−0.0101 (6)0.0095 (6)−0.0078 (7)
F50.0346 (7)0.0277 (8)0.0409 (8)−0.0072 (6)0.0062 (6)0.0061 (6)
O10.0464 (11)0.0271 (9)0.0434 (10)−0.0083 (8)0.0159 (8)−0.0102 (8)
N70.0269 (10)0.0343 (12)0.0373 (11)−0.0054 (9)0.0049 (9)−0.0024 (10)
N10.0174 (12)0.0214 (14)0.0433 (17)0.0000.0021 (12)0.000
C20.0179 (10)0.0263 (12)0.0447 (14)−0.0012 (10)0.0000 (10)0.0012 (11)
C30.0236 (12)0.0271 (13)0.0656 (19)−0.0033 (10)0.0042 (12)0.0084 (13)
C40.0240 (17)0.0192 (17)0.089 (3)0.0000.0020 (19)0.000
C80.0276 (11)0.0245 (12)0.0386 (13)−0.0081 (10)0.0118 (10)−0.0014 (11)
C90.0219 (10)0.0237 (11)0.0331 (12)−0.0003 (9)0.0118 (9)−0.0031 (10)
C100.0304 (12)0.0201 (11)0.0400 (14)−0.0056 (10)0.0140 (11)−0.0031 (11)
C110.0457 (15)0.0356 (15)0.0319 (13)−0.0049 (12)0.0105 (11)0.0059 (12)
C120.0383 (14)0.0381 (15)0.0329 (13)−0.0081 (12)0.0033 (11)−0.0051 (12)
C130.0256 (11)0.0241 (12)0.0408 (14)−0.0059 (10)0.0121 (10)−0.0057 (11)
C140.0228 (10)0.0230 (12)0.0330 (12)0.0016 (9)0.0095 (9)−0.0003 (10)
O20.040 (2)0.106 (4)0.094 (3)0.032 (2)−0.0279 (18)−0.061 (3)
C150.035 (2)0.041 (3)0.062 (3)0.009 (2)−0.011 (2)−0.026 (2)
F60.0586 (14)0.0444 (14)0.0607 (15)−0.0048 (12)0.0116 (12)−0.0191 (12)
F70.0776 (17)0.0436 (14)0.0734 (17)−0.0001 (13)0.0204 (13)−0.0319 (13)
F80.0691 (17)0.0515 (15)0.0451 (13)0.0136 (13)0.0142 (12)−0.0149 (11)
F90.0761 (18)0.0438 (16)0.0508 (16)0.0007 (15)0.0151 (14)−0.0041 (13)
F100.0680 (17)0.0360 (14)0.0561 (16)0.0013 (12)0.0117 (13)−0.0186 (12)
C160.038 (2)0.036 (2)0.043 (2)0.0126 (18)−0.0102 (16)−0.0140 (17)
C170.0409 (18)0.0379 (19)0.045 (2)0.0075 (16)−0.0048 (16)−0.0116 (17)
C180.050 (2)0.0365 (19)0.044 (2)0.0138 (17)−0.0044 (16)−0.0166 (17)
C190.047 (2)0.044 (2)0.0341 (18)0.0151 (18)−0.0019 (16)−0.0082 (17)
C200.055 (3)0.029 (2)0.033 (2)0.0114 (19)−0.006 (2)−0.0009 (18)
C210.048 (2)0.023 (2)0.037 (2)0.0125 (17)−0.0080 (18)−0.0023 (18)
O2B0.040 (5)0.030 (5)0.044 (5)0.004 (4)−0.016 (4)0.017 (4)
C15B0.030 (8)0.027 (8)0.024 (6)−0.005 (6)0.005 (5)0.009 (6)
F6B0.048 (4)0.050 (5)0.040 (4)−0.003 (4)−0.007 (3)0.011 (4)
F7B0.083 (6)0.049 (5)0.038 (4)0.001 (5)−0.012 (4)−0.003 (4)
F8B0.077 (6)0.065 (6)0.038 (4)0.022 (5)0.020 (4)−0.007 (4)
F9B0.067 (6)0.076 (7)0.036 (5)−0.012 (6)0.018 (4)−0.005 (5)
F10B0.055 (5)0.038 (4)0.025 (3)−0.013 (4)0.004 (3)−0.006 (3)
C16B0.042 (6)0.023 (5)0.020 (4)0.001 (5)0.002 (4)0.000 (4)
C17B0.053 (6)0.031 (5)0.032 (5)−0.001 (5)0.000 (4)0.003 (4)
C18B0.060 (6)0.039 (5)0.027 (5)0.007 (5)−0.001 (5)−0.002 (4)
C19B0.059 (6)0.045 (6)0.024 (5)0.006 (5)0.015 (5)−0.001 (4)
C20B0.046 (6)0.021 (5)0.037 (5)0.005 (5)0.009 (5)0.014 (5)
C21B0.044 (6)0.009 (4)0.020 (5)0.003 (4)0.001 (4)0.002 (4)
F1—C101.341 (3)C15—C161.498 (6)
F2—C111.339 (3)F6—C171.321 (3)
F3—C121.338 (3)F7—C181.333 (3)
F4—C131.340 (3)F8—C191.324 (3)
F5—C141.338 (3)F9—C201.327 (4)
O1—C81.213 (3)F10—C211.320 (3)
N7—C81.398 (3)C16—C171.3900
N7—C151.417 (6)C16—C211.3900
N7—C21.443 (3)C17—C181.3900
N7—C15B1.446 (12)C18—C191.3900
N1—C2i1.330 (3)C19—C201.3900
N1—C21.330 (3)C20—C211.3900
C2—C31.383 (4)O2B—C15B1.215 (14)
C3—C41.379 (3)C15B—C16B1.497 (13)
C3—H30.9500F6B—C17B1.353 (9)
C4—C3i1.379 (3)F7B—C18B1.332 (10)
C4—H40.9500F8B—C19B1.294 (9)
C8—C91.498 (3)F9B—C20B1.294 (12)
C9—C101.384 (3)F10B—C21B1.321 (9)
C9—C141.389 (3)C16B—C17B1.3900
C10—C111.377 (4)C16B—C21B1.3900
C11—C121.377 (4)C17B—C18B1.3900
C12—C131.375 (4)C18B—C19B1.3900
C13—C141.374 (3)C19B—C20B1.3900
O2—C151.200 (6)C20B—C21B1.3900
C8—N7—C15117.8 (3)C17—C16—C21120.0
C8—N7—C2119.1 (2)C17—C16—C15120.9 (3)
C15—N7—C2121.5 (3)C21—C16—C15118.5 (3)
C8—N7—C15B138.0 (6)F6—C17—C16120.4 (2)
C2—N7—C15B102.4 (6)F6—C17—C18119.6 (2)
C2i—N1—C2116.5 (3)C16—C17—C18120.0
N1—C2—C3124.4 (3)F7—C18—C19119.3 (2)
N1—C2—N7115.5 (2)F7—C18—C17120.7 (2)
C3—C2—N7120.2 (2)C19—C18—C17120.0
C4—C3—C2117.5 (3)F8—C19—C18119.6 (2)
C4—C3—H3121.3F8—C19—C20120.4 (2)
C2—C3—H3121.3C18—C19—C20120.0
C3—C4—C3i119.8 (4)F9—C20—C21121.1 (2)
C3—C4—H4120.1F9—C20—C19118.9 (2)
C3i—C4—H4120.1C21—C20—C19120.0
O1—C8—N7122.5 (2)F10—C21—C20119.2 (2)
O1—C8—C9121.4 (2)F10—C21—C16120.7 (2)
N7—C8—C9116.1 (2)C20—C21—C16120.0
C10—C9—C14117.2 (2)O2B—C15B—N7128.4 (11)
C10—C9—C8120.1 (2)O2B—C15B—C16B120.1 (11)
C14—C9—C8122.4 (2)N7—C15B—C16B111.4 (9)
F1—C10—C11118.5 (2)C17B—C16B—C21B120.0
F1—C10—C9119.7 (2)C17B—C16B—C15B117.5 (7)
C11—C10—C9121.8 (2)C21B—C16B—C15B122.0 (7)
F2—C11—C12120.6 (2)F6B—C17B—C18B117.5 (6)
F2—C11—C10120.0 (2)F6B—C17B—C16B122.5 (6)
C12—C11—C10119.4 (2)C18B—C17B—C16B120.0
F3—C12—C13120.1 (2)F7B—C18B—C17B119.8 (7)
F3—C12—C11119.5 (2)F7B—C18B—C19B120.2 (7)
C13—C12—C11120.4 (2)C17B—C18B—C19B120.0
F4—C13—C14120.7 (2)F8B—C19B—C20B120.6 (8)
F4—C13—C12119.9 (2)F8B—C19B—C18B119.4 (8)
C14—C13—C12119.4 (2)C20B—C19B—C18B120.0
F5—C14—C13118.0 (2)F9B—C20B—C19B120.8 (8)
F5—C14—C9120.1 (2)F9B—C20B—C21B118.5 (8)
C13—C14—C9121.8 (2)C19B—C20B—C21B120.0
O2—C15—N7117.4 (5)F10B—C21B—C20B120.3 (7)
O2—C15—C16122.8 (5)F10B—C21B—C16B118.6 (7)
N7—C15—C16119.3 (4)C20B—C21B—C16B120.0
C2i—N1—C2—C30.57 (19)C21—C16—C17—C180.0
C2i—N1—C2—N7−178.4 (2)C15—C16—C17—C18−171.1 (3)
C8—N7—C2—N162.2 (3)F6—C17—C18—F7−0.9 (3)
C15—N7—C2—N1−103.0 (4)C16—C17—C18—F7−179.2 (3)
C15B—N7—C2—N1−111.0 (6)F6—C17—C18—C19178.4 (3)
C8—N7—C2—C3−116.9 (3)C16—C17—C18—C190.0
C15—N7—C2—C378.0 (4)F7—C18—C19—F8−2.2 (3)
C15B—N7—C2—C370.0 (6)C17—C18—C19—F8178.6 (3)
N1—C2—C3—C4−1.1 (4)F7—C18—C19—C20179.3 (3)
N7—C2—C3—C4177.85 (18)C17—C18—C19—C200.0
C2—C3—C4—C3i0.50 (17)F8—C19—C20—F92.3 (3)
C15—N7—C8—O115.2 (4)C18—C19—C20—F9−179.1 (3)
C2—N7—C8—O1−150.5 (2)F8—C19—C20—C21−178.6 (3)
C15B—N7—C8—O119.5 (9)C18—C19—C20—C210.0
C15—N7—C8—C9−164.5 (3)F9—C20—C21—F101.7 (3)
C2—N7—C8—C929.8 (3)C19—C20—C21—F10−177.5 (3)
C15B—N7—C8—C9−160.2 (8)F9—C20—C21—C16179.1 (3)
O1—C8—C9—C1051.4 (3)C19—C20—C21—C160.0
N7—C8—C9—C10−128.9 (2)C17—C16—C21—F10177.4 (3)
O1—C8—C9—C14−122.1 (3)C15—C16—C21—F10−11.2 (4)
N7—C8—C9—C1457.6 (3)C17—C16—C21—C200.0
C14—C9—C10—F1−177.86 (19)C15—C16—C21—C20171.3 (3)
C8—C9—C10—F18.3 (3)C8—N7—C15B—O2B−155.9 (9)
C14—C9—C10—C111.3 (4)C2—N7—C15B—O2B15.1 (14)
C8—C9—C10—C11−172.6 (2)C8—N7—C15B—C16B20.5 (14)
F1—C10—C11—F2−2.1 (4)C2—N7—C15B—C16B−168.5 (7)
C9—C10—C11—F2178.8 (2)O2B—C15B—C16B—C17B37.7 (14)
F1—C10—C11—C12178.5 (2)N7—C15B—C16B—C17B−139.0 (8)
C9—C10—C11—C12−0.6 (4)O2B—C15B—C16B—C21B−134.5 (10)
F2—C11—C12—F3−0.6 (4)N7—C15B—C16B—C21B48.8 (11)
C10—C11—C12—F3178.8 (3)C21B—C16B—C17B—F6B−177.6 (9)
F2—C11—C12—C13179.6 (2)C15B—C16B—C17B—F6B10.0 (10)
C10—C11—C12—C13−1.1 (4)C21B—C16B—C17B—C18B0.0
F3—C12—C13—F41.6 (4)C15B—C16B—C17B—C18B−172.3 (9)
C11—C12—C13—F4−178.6 (2)F6B—C17B—C18B—F7B−1.2 (9)
F3—C12—C13—C14−177.9 (2)C16B—C17B—C18B—F7B−179.0 (9)
C11—C12—C13—C142.0 (4)F6B—C17B—C18B—C19B177.8 (9)
F4—C13—C14—F5−3.7 (3)C16B—C17B—C18B—C19B0.0
C12—C13—C14—F5175.7 (2)F7B—C18B—C19B—F8B−2.6 (11)
F4—C13—C14—C9179.26 (19)C17B—C18B—C19B—F8B178.4 (10)
C12—C13—C14—C9−1.3 (4)F7B—C18B—C19B—C20B179.0 (9)
C10—C9—C14—F5−177.3 (2)C17B—C18B—C19B—C20B0.0
C8—C9—C14—F5−3.6 (3)F8B—C19B—C20B—F9B−7.9 (12)
C10—C9—C14—C13−0.3 (3)C18B—C19B—C20B—F9B170.5 (12)
C8—C9—C14—C13173.4 (2)F8B—C19B—C20B—C21B−178.4 (10)
C8—N7—C15—O2−153.1 (5)C18B—C19B—C20B—C21B0.0
C2—N7—C15—O212.2 (7)F9B—C20B—C21B—F10B−3.3 (10)
C8—N7—C15—C1634.5 (6)C19B—C20B—C21B—F10B167.5 (10)
C2—N7—C15—C16−160.2 (3)F9B—C20B—C21B—C16B−170.7 (11)
O2—C15—C16—C1773.5 (6)C19B—C20B—C21B—C16B0.0
N7—C15—C16—C17−114.5 (4)C17B—C16B—C21B—F10B−167.7 (10)
O2—C15—C16—C21−97.7 (6)C15B—C16B—C21B—F10B4.3 (11)
N7—C15—C16—C2174.2 (5)C17B—C16B—C21B—C20B0.0
C21—C16—C17—F6−178.4 (3)C15B—C16B—C21B—C20B172.0 (9)
C15—C16—C17—F610.5 (4)
D—H···AD—HH···AD···AD—H···A
C4—H4···N1ii0.952.673.621 (5)180
C3—H3···O1ii0.952.523.318 (3)141
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
C4—H4⋯N1i0.952.673.621 (5)180
C3—H3⋯O1i0.952.523.318 (3)141

Symmetry code: (i) .

  2 in total

1.  A short history of SHELX.

Authors:  George M Sheldrick
Journal:  Acta Crystallogr A       Date:  2007-12-21       Impact factor: 2.290

2.  Self-organization of 2-acylaminopyridines in the solid state and in solution.

Authors:  Borys Ośmiałowski; Erkki Kolehmainen; Robert Dobosz; Ryszard Gawinecki; Reijo Kauppinen; Arto Valkonen; Juha Koivukorpi; Kari Rissanen
Journal:  J Phys Chem A       Date:  2010-09-30       Impact factor: 2.781

  2 in total

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