Literature DB >> 21201937

(2Z)-2-Anilino-2-[oxido(phen-yl)iminio]-N-(2-pyrid-yl)acetamide methanol 0.425-solvate.

Maciej Hodorowicz1, Katarzyna Stadnicka, Bartosz Trzewik, Barbara Zaleska.   

Abstract

The title compound, C(19)H(16)N(4)O(2)·0.425CH(4)O, crystallizes with two formula units per asymmetric unit. Researching its crystal structure constitutes part of a study of the nature of inter-actions between the N(+)-O(-) group and the vicinal NH group. The nitrone group and methanol solvent mol-ecules are linked via four N-H⋯O and one O-H⋯O hydrogen bonds, with donor-acceptor distances of 2.603 (3)-2.730 (3) and 2.770 (3) Å, respectively. The crystal structure also involves two intermolecular N-H⋯N hydrogen bonds.

Entities:  

Year:  2008        PMID: 21201937      PMCID: PMC2960779          DOI: 10.1107/S1600536808003346

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


Related literature

For literature related to the synthesis of the title compound, see: Branco et al. (1992 ▶); Aurich (1968 ▶); Guimanini et al. (1999 ▶); Szantay et al. (1965 ▶); Southan et al. (1998 ▶); Warshaw et al. (1989 ▶). For literature on nitro­nes as an active equivalent of the C=O group, see: Boruah et al. (2003 ▶); Freisleben et al. (2002 ▶); Saito et al. (2001 ▶); Gravestock et al. (2000 ▶); Torssell (1988 ▶). For examples of nitro­nes with a vicinal NH group, see: Janzen et al. (1997 ▶); Clement et al. (1987 ▶); Baranowska et al. (1977 ▶); Aurich et al. (1976 ▶); Rosenberg et al. (1972 ▶). For literature on the medical use of these compounds, see: Floyd (2006 ▶). For related literature, see: Allen et al. (1987 ▶).

Experimental

Crystal data

C19H16N4O2·0.425CH4O M = 345.98 Monoclinic, a = 18.7604 (3) Å b = 9.4701 (2) Å c = 21.2839 (5) Å β = 104.375 (1)° V = 3662.97 (13) Å3 Z = 8 Mo Kα radiation μ = 0.09 mm−1 T = 293 (2) K 0.11 × 0.09 × 0.02 mm

Data collection

Nonius KappaCCD diffractometer Absorption correction: multi-scan (DENZO and SCALEPACK; Otwinowski & Minor, 1997 ▶) T min = 0.991, T max = 0.998 12501 measured reflections 6668 independent reflections 3520 reflections with I > 2σ(I) R int = 0.065

Refinement

R[F 2 > 2σ(F 2)] = 0.067 wR(F 2) = 0.156 S = 1.03 6668 reflections 474 parameters 548 restraints H-atom parameters constrained Δρmax = 0.28 e Å−3 Δρmin = −0.14 e Å−3 Data collection: COLLECT (Nonius, 2000 ▶); cell refinement: SCALEPACK (Otwinowski & Minor, 1997 ▶); data reduction: DENZO (Otwinowski & Minor, 1997 ▶) and SCALEPACK; program(s) used to solve structure: SIR92 (Altomare et al., 1994 ▶); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008 ▶); molecular graphics: ORTEP-3 (Farrugia, 1997 ▶) and DIAMOND (Brandenburg, 2006 ▶); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008 ▶). Crystal structure: contains datablocks I, global. DOI: 10.1107/S1600536808003346/er2043sup1.cif Structure factors: contains datablocks I. DOI: 10.1107/S1600536808003346/er2043Isup2.hkl Additional supplementary materials: crystallographic information; 3D view; checkCIF report
C19H16N4O2·0.425CH4OF(000) = 1453
Mr = 345.98Dx = 1.255 Mg m3
Monoclinic, P21/cMo Kα radiation, λ = 0.71073 Å
a = 18.7604 (3) ÅCell parameters from 6743 reflections
b = 9.4701 (2) Åθ = 1.0–25.4°
c = 21.2839 (5) ŵ = 0.09 mm1
β = 104.375 (1)°T = 293 K
V = 3662.97 (13) Å3Plate, colourless
Z = 80.11 × 0.09 × 0.02 mm
Nonius KappaCCD diffractometer6668 independent reflections
Radiation source: fine-focus sealed tube3520 reflections with I > 2σ(I)
horizontally mounted graphite crystalRint = 0.065
Detector resolution: 9 pixels mm-1θmax = 25.4°, θmin = 3.4°
φ and ω scans to fill asymmetric unith = 0→22
Absorption correction: multi-scan (DENZO and SCALEPACK; Otwinowski & Minor, 1997)k = −10→11
Tmin = 0.991, Tmax = 0.998l = −25→24
12501 measured reflections
Refinement on F2Secondary atom site location: difference Fourier map
Least-squares matrix: fullHydrogen site location: inferred from neighbouring sites
R[F2 > 2σ(F2)] = 0.067H-atom parameters constrained
wR(F2) = 0.156w = 1/[σ2(Fo2) + (0.0657P)2 + 0.3423P] where P = (Fo2 + 2Fc2)/3
S = 1.03(Δ/σ)max = 0.001
6668 reflectionsΔρmax = 0.28 e Å3
474 parametersΔρmin = −0.14 e Å3
548 restraintsExtinction correction: SHELXL97 (Sheldrick, 2008), Fc*=kFc[1+0.001xFc2λ3/sin(2θ)]-1/4
Primary atom site location: structure-invariant direct methodsExtinction coefficient: 0.0055 (7)
Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'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 > σ(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)
N1A0.11545 (13)0.6719 (2)0.19762 (11)0.0661 (6)
C2A0.09371 (14)0.8040 (3)0.18252 (11)0.0483 (6)
C3A0.02414 (14)0.8515 (3)0.17983 (13)0.0616 (7)
H3A0.01070.94430.16820.074*
C4A−0.02552 (16)0.7579 (4)0.19488 (15)0.0771 (9)
H4A−0.07320.78710.19350.092*
C5A−0.00442 (19)0.6229 (4)0.21166 (16)0.0817 (9)
H5A−0.03680.55850.22260.098*
C6A0.06588 (19)0.5847 (3)0.21201 (16)0.0828 (10)
H6A0.08010.49200.22300.099*
N7A0.14984 (11)0.8889 (2)0.16925 (9)0.0501 (6)
H7A0.18890.84600.16520.060*
C8A0.14887 (14)1.0299 (3)0.16219 (12)0.0502 (7)
O9A0.09855 (10)1.10851 (19)0.16598 (9)0.0668 (5)
C10A0.21768 (14)1.0904 (3)0.14793 (13)0.0471 (6)
N11A0.23810 (11)1.0608 (2)0.09302 (10)0.0524 (6)
H11A0.28161.08740.09190.063*
N12A0.25797 (11)1.1807 (2)0.18870 (10)0.0499 (5)
O13A0.31518 (9)1.24341 (18)0.17334 (8)0.0604 (5)
C14A0.25051 (13)1.2046 (3)0.25341 (12)0.0504 (7)
C15A0.24581 (15)1.3418 (3)0.27317 (14)0.0670 (8)
H15A0.24661.41640.24490.080*
C16A0.23996 (17)1.3673 (4)0.33547 (17)0.0835 (9)
H16A0.23651.45960.34940.100*
C17A0.23921 (18)1.2574 (5)0.37671 (17)0.0926 (11)
H17A0.23431.27490.41840.111*
C18A0.24558 (19)1.1217 (4)0.35712 (16)0.0885 (10)
H18A0.24581.04740.38580.106*
C19A0.25170 (16)1.0944 (3)0.29510 (14)0.0693 (8)
H19A0.25661.00220.28180.083*
C20A0.19658 (15)0.9913 (3)0.03686 (12)0.0496 (7)
C21A0.12171 (17)1.0074 (3)0.01520 (14)0.0697 (8)
H21A0.09621.06170.03880.084*
C22A0.0844 (2)0.9430 (4)−0.04161 (17)0.0858 (10)
H22A0.03350.9522−0.05540.103*
C23A0.1207 (2)0.8662 (4)−0.07771 (16)0.0854 (10)
H23A0.09510.8253−0.11650.102*
C24A0.1954 (2)0.8495 (3)−0.05644 (16)0.0801 (9)
H24A0.22080.7974−0.08100.096*
C25A0.23329 (16)0.9101 (3)0.00149 (14)0.0619 (7)
H25A0.28370.89580.01650.074*
N1B0.36559 (12)0.1853 (2)0.04201 (11)0.0607 (6)
C2B0.37519 (14)0.3237 (3)0.03646 (13)0.0536 (7)
C3B0.41689 (16)0.3812 (3)−0.00164 (15)0.0749 (9)
H3B0.42250.4785−0.00420.090*
C4B0.45036 (19)0.2895 (4)−0.03606 (17)0.0926 (11)
H4B0.47910.3245−0.06240.111*
C5B0.44097 (18)0.1478 (4)−0.03111 (17)0.0851 (10)
H5B0.46280.0846−0.05410.102*
C6B0.39919 (17)0.1009 (3)0.00806 (16)0.0772 (9)
H6B0.39350.00380.01160.093*
N7B0.33914 (11)0.4052 (2)0.07475 (10)0.0536 (6)
H7B0.32100.36040.10230.064*
C8B0.33054 (14)0.5460 (3)0.07221 (13)0.0532 (7)
O9B0.35086 (11)0.62721 (19)0.03605 (9)0.0702 (6)
C10B0.28999 (14)0.6032 (3)0.12011 (12)0.0485 (7)
N11B0.22196 (12)0.5613 (2)0.12126 (11)0.0564 (6)
H11B0.20860.57780.15640.068*
N12B0.32199 (11)0.7001 (2)0.16157 (10)0.0517 (6)
O13B0.28421 (9)0.76002 (18)0.20063 (8)0.0605 (5)
C14B0.39782 (14)0.7415 (3)0.17218 (12)0.0517 (7)
C15B0.41339 (16)0.8830 (3)0.16710 (13)0.0647 (8)
H15B0.37560.94890.15610.078*
C16B0.48549 (18)0.9248 (4)0.17850 (14)0.0761 (9)
H16B0.49651.01950.17430.091*
C17B0.54132 (18)0.8285 (5)0.19598 (16)0.0879 (10)
H17B0.59010.85780.20380.105*
C18B0.52519 (17)0.6890 (4)0.20198 (16)0.0870 (10)
H18B0.56320.62380.21430.104*
C19B0.45248 (16)0.6438 (3)0.18974 (14)0.0700 (8)
H19B0.44140.54890.19350.084*
C25B0.11891 (15)0.4058 (3)0.08793 (15)0.0664 (8)
H25B0.12230.38620.13140.080*
C24B0.06318 (18)0.3478 (3)0.0403 (2)0.0829 (10)
H24B0.02760.29220.05180.099*
C23B0.05954 (19)0.3712 (3)−0.0239 (2)0.0888 (10)
H23B0.02240.3300−0.05590.107*
C22B0.1108 (2)0.4551 (4)−0.04032 (18)0.0916 (10)
H22B0.10860.4700−0.08390.110*
C21B0.16563 (10)0.51847 (18)0.00578 (9)0.0730 (8)
H21B0.19960.5776−0.00620.088*
C20B0.16951 (10)0.49270 (18)0.07069 (9)0.0549 (7)
O510.30526 (10)0.73186 (18)0.33354 (9)0.119 (2)0.586 (7)
H510.29850.74000.29410.178*0.586 (7)
C510.38176 (10)0.76316 (18)0.36484 (9)0.133 (4)0.586 (7)
H51A0.38630.86060.37770.200*0.586 (7)
H51B0.41170.74530.33510.200*0.586 (7)
H51C0.39780.70430.40240.200*0.586 (7)
O520.35159 (10)0.68397 (18)0.34082 (9)0.143 (7)0.264 (7)
H520.32180.69490.30580.215*0.264 (7)
C520.40649 (10)0.80407 (18)0.35212 (9)0.171 (11)0.264 (7)
H52A0.38230.88940.33390.257*0.264 (7)
H52B0.44550.78250.33180.257*0.264 (7)
H52C0.42650.81650.39790.257*0.264 (7)
U11U22U33U12U13U23
N1A0.0653 (16)0.0595 (15)0.0838 (17)−0.0015 (12)0.0379 (13)0.0106 (13)
C2A0.0439 (16)0.0569 (17)0.0461 (15)−0.0054 (13)0.0151 (13)−0.0046 (13)
C3A0.0460 (17)0.0653 (18)0.074 (2)−0.0036 (14)0.0162 (15)−0.0060 (15)
C4A0.0511 (19)0.093 (2)0.092 (2)−0.0105 (17)0.0272 (17)−0.0084 (19)
C5A0.079 (2)0.087 (2)0.092 (2)−0.0212 (19)0.046 (2)0.0020 (19)
C6A0.084 (2)0.073 (2)0.106 (3)−0.0031 (18)0.051 (2)0.0174 (18)
N7A0.0426 (12)0.0511 (14)0.0604 (14)0.0030 (10)0.0201 (11)−0.0014 (10)
C8A0.0447 (17)0.0561 (19)0.0515 (16)0.0012 (14)0.0154 (13)−0.0050 (13)
O9A0.0513 (12)0.0618 (12)0.0934 (15)0.0078 (10)0.0297 (11)0.0021 (10)
C10A0.0442 (15)0.0483 (15)0.0520 (17)0.0052 (13)0.0180 (14)0.0013 (13)
N11A0.0459 (13)0.0593 (13)0.0557 (14)−0.0028 (11)0.0192 (12)−0.0051 (11)
N12A0.0442 (13)0.0550 (13)0.0519 (14)−0.0028 (11)0.0150 (11)−0.0001 (11)
O13A0.0474 (11)0.0753 (12)0.0620 (12)−0.0126 (9)0.0201 (9)−0.0008 (9)
C14A0.0388 (15)0.0658 (18)0.0468 (16)−0.0034 (13)0.0109 (12)−0.0041 (14)
C15A0.067 (2)0.071 (2)0.064 (2)−0.0014 (15)0.0177 (16)−0.0080 (15)
C16A0.077 (2)0.100 (2)0.074 (2)−0.0006 (19)0.0199 (19)−0.026 (2)
C17A0.078 (2)0.148 (3)0.053 (2)−0.011 (2)0.0190 (18)−0.020 (2)
C18A0.095 (3)0.112 (3)0.057 (2)−0.012 (2)0.0167 (19)0.0110 (19)
C19A0.079 (2)0.0738 (19)0.0555 (19)−0.0043 (16)0.0164 (16)0.0039 (16)
C20A0.0537 (17)0.0462 (15)0.0496 (16)−0.0016 (13)0.0142 (14)0.0028 (13)
C21A0.062 (2)0.079 (2)0.0645 (19)0.0074 (16)0.0091 (16)−0.0059 (16)
C22A0.073 (2)0.104 (3)0.071 (2)−0.006 (2)0.0009 (18)0.0038 (19)
C23A0.104 (3)0.085 (2)0.062 (2)−0.023 (2)0.009 (2)−0.0073 (17)
C24A0.111 (3)0.070 (2)0.067 (2)−0.009 (2)0.036 (2)−0.0120 (16)
C25A0.0666 (18)0.0615 (17)0.0625 (18)−0.0035 (15)0.0256 (15)−0.0065 (15)
N1B0.0583 (14)0.0602 (15)0.0723 (16)0.0033 (11)0.0325 (12)−0.0032 (12)
C2B0.0468 (16)0.0611 (18)0.0580 (17)0.0001 (13)0.0226 (14)−0.0036 (14)
C3B0.083 (2)0.0724 (19)0.088 (2)−0.0073 (17)0.0549 (19)−0.0055 (17)
C4B0.101 (3)0.098 (3)0.104 (3)−0.008 (2)0.072 (2)−0.008 (2)
C5B0.085 (2)0.084 (2)0.102 (3)0.0070 (19)0.054 (2)−0.016 (2)
C6B0.077 (2)0.0695 (19)0.101 (2)0.0023 (17)0.053 (2)−0.0116 (18)
N7B0.0574 (14)0.0529 (15)0.0600 (14)−0.0003 (11)0.0322 (12)−0.0002 (11)
C8B0.0508 (17)0.0536 (19)0.0573 (18)−0.0028 (13)0.0174 (14)0.0028 (14)
O9B0.0851 (14)0.0621 (12)0.0752 (14)0.0014 (10)0.0421 (12)0.0134 (11)
C10B0.0479 (17)0.0466 (15)0.0554 (17)0.0021 (13)0.0210 (14)0.0038 (13)
N11B0.0542 (15)0.0570 (13)0.0637 (15)−0.0060 (11)0.0257 (12)−0.0043 (11)
N12B0.0452 (14)0.0566 (13)0.0564 (14)0.0059 (11)0.0184 (12)−0.0021 (11)
O13B0.0508 (11)0.0736 (12)0.0607 (12)0.0089 (9)0.0205 (9)−0.0089 (9)
C14B0.0406 (16)0.0643 (18)0.0499 (16)0.0023 (13)0.0106 (13)0.0018 (13)
C15B0.0551 (18)0.0648 (19)0.070 (2)−0.0006 (15)0.0077 (15)−0.0024 (15)
C16B0.061 (2)0.088 (2)0.077 (2)−0.0195 (18)0.0125 (17)−0.0088 (17)
C17B0.050 (2)0.130 (3)0.081 (2)−0.012 (2)0.0120 (17)0.002 (2)
C18B0.049 (2)0.117 (3)0.089 (2)0.0193 (19)0.0043 (17)0.013 (2)
C19B0.0535 (19)0.080 (2)0.074 (2)0.0140 (16)0.0120 (16)0.0121 (16)
C25B0.0588 (19)0.0571 (17)0.086 (2)−0.0057 (15)0.0222 (17)−0.0033 (16)
C24B0.065 (2)0.063 (2)0.123 (3)−0.0111 (16)0.026 (2)−0.012 (2)
C23B0.069 (2)0.081 (2)0.105 (3)−0.0058 (18)0.002 (2)−0.026 (2)
C22B0.080 (2)0.109 (3)0.079 (2)−0.009 (2)0.009 (2)−0.010 (2)
C21B0.065 (2)0.081 (2)0.074 (2)−0.0087 (16)0.0184 (17)0.0061 (17)
C20B0.0456 (16)0.0458 (15)0.076 (2)0.0007 (13)0.0191 (15)−0.0031 (14)
O510.155 (5)0.139 (4)0.066 (3)−0.005 (4)0.036 (3)0.012 (3)
C510.128 (7)0.143 (8)0.117 (8)−0.016 (7)0.010 (6)0.012 (6)
O520.099 (11)0.143 (11)0.180 (14)−0.009 (8)0.020 (9)0.078 (10)
C520.24 (2)0.134 (16)0.15 (2)−0.043 (14)0.055 (17)−0.091 (15)
N1A—C2A1.331 (3)C3B—H3B0.9300
N1A—C6A1.335 (4)C4B—C5B1.361 (4)
C2A—C3A1.368 (3)C4B—H4B0.9300
C2A—N7A1.408 (3)C5B—C6B1.353 (4)
C3A—C4A1.380 (4)C5B—H5B0.9300
C3A—H3A0.9300C6B—H6B0.9300
C4A—C5A1.360 (4)N7B—C8B1.343 (3)
C4A—H4A0.9300N7B—H7B0.8600
C5A—C6A1.366 (4)C8B—O9B1.214 (3)
C5A—H5A0.9300C8B—C10B1.516 (4)
C6A—H6A0.9300C10B—N12B1.311 (3)
N7A—C8A1.343 (3)C10B—N11B1.342 (3)
N7A—H7A0.8600N11B—C20B1.422 (3)
C8A—O9A1.221 (3)N11B—H11B0.8600
C8A—C10A1.511 (3)N12B—O13B1.344 (2)
C10A—N12A1.315 (3)N12B—C14B1.438 (3)
C10A—N11A1.347 (3)C14B—C19B1.363 (4)
N11A—C20A1.417 (3)C14B—C15B1.381 (4)
N11A—H11A0.8600C15B—C16B1.372 (4)
N12A—O13A1.336 (2)C15B—H15B0.9300
N12A—C14A1.436 (3)C16B—C17B1.369 (4)
C14A—C19A1.366 (4)C16B—H16B0.9300
C14A—C15A1.376 (4)C17B—C18B1.369 (5)
C15A—C16A1.379 (4)C17B—H17B0.9300
C15A—H15A0.9300C18B—C19B1.391 (4)
C16A—C17A1.364 (5)C18B—H18B0.9300
C16A—H16A0.9300C19B—H19B0.9300
C17A—C18A1.365 (5)C25B—C20B1.374 (3)
C17A—H17A0.9300C25B—C24B1.377 (4)
C18A—C19A1.378 (4)C25B—H25B0.9300
C18A—H18A0.9300C24B—C23B1.368 (5)
C19A—H19A0.9300C24B—H24B0.9300
C20A—C21A1.374 (4)C23B—C22B1.358 (5)
C20A—C25A1.375 (4)C23B—H23B0.9300
C21A—C22A1.380 (4)C22B—C21B1.371 (4)
C21A—H21A0.9300C22B—H22B0.9300
C22A—C23A1.358 (4)C21B—C20B1.3870
C22A—H22A0.9300C21B—H21B0.9300
C23A—C24A1.372 (5)O51—C511.4549
C23A—H23A0.9300O51—H510.8200
C24A—C25A1.385 (4)C51—H51A0.9600
C24A—H24A0.9300C51—H51B0.9600
C25A—H25A0.9300C51—H51C0.9600
N1B—C2B1.332 (3)O52—C521.5130
N1B—C6B1.336 (3)O52—H520.8200
C2B—C3B1.372 (4)C52—H52A0.9600
C2B—N7B1.410 (3)C52—H52B0.9600
C3B—C4B1.384 (4)C52—H52C0.9600
C2A—N1A—C6A116.6 (2)C5B—C4B—C3B119.6 (3)
N1A—C2A—C3A123.5 (2)C5B—C4B—H4B120.2
N1A—C2A—N7A112.7 (2)C3B—C4B—H4B120.2
C3A—C2A—N7A123.8 (2)C6B—C5B—C4B118.5 (3)
C2A—C3A—C4A118.1 (3)C6B—C5B—H5B120.8
C2A—C3A—H3A121.0C4B—C5B—H5B120.8
C4A—C3A—H3A121.0N1B—C6B—C5B124.0 (3)
C5A—C4A—C3A119.7 (3)N1B—C6B—H6B118.0
C5A—C4A—H4A120.1C5B—C6B—H6B118.0
C3A—C4A—H4A120.1C8B—N7B—C2B126.1 (2)
C4A—C5A—C6A117.9 (3)C8B—N7B—H7B116.9
C4A—C5A—H5A121.0C2B—N7B—H7B116.9
C6A—C5A—H5A121.0O9B—C8B—N7B126.9 (2)
N1A—C6A—C5A124.2 (3)O9B—C8B—C10B119.3 (2)
N1A—C6A—H6A117.9N7B—C8B—C10B113.8 (2)
C5A—C6A—H6A117.9N12B—C10B—N11B118.2 (2)
C8A—N7A—C2A126.9 (2)N12B—C10B—C8B118.7 (2)
C8A—N7A—H7A116.6N11B—C10B—C8B123.0 (2)
C2A—N7A—H7A116.6C10B—N11B—C20B127.1 (2)
O9A—C8A—N7A126.0 (2)C10B—N11B—H11B116.4
O9A—C8A—C10A119.7 (2)C20B—N11B—H11B116.4
N7A—C8A—C10A114.3 (2)C10B—N12B—O13B119.2 (2)
N12A—C10A—N11A117.8 (2)C10B—N12B—C14B124.5 (2)
N12A—C10A—C8A119.6 (2)O13B—N12B—C14B116.1 (2)
N11A—C10A—C8A122.5 (2)C19B—C14B—C15B121.4 (3)
C10A—N11A—C20A127.8 (2)C19B—C14B—N12B120.4 (2)
C10A—N11A—H11A116.1C15B—C14B—N12B118.2 (2)
C20A—N11A—H11A116.1C16B—C15B—C14B119.0 (3)
C10A—N12A—O13A119.5 (2)C16B—C15B—H15B120.5
C10A—N12A—C14A123.9 (2)C14B—C15B—H15B120.5
O13A—N12A—C14A116.11 (19)C17B—C16B—C15B120.7 (3)
C19A—C14A—C15A121.0 (3)C17B—C16B—H16B119.7
C19A—C14A—N12A120.8 (2)C15B—C16B—H16B119.7
C15A—C14A—N12A118.1 (2)C18B—C17B—C16B119.8 (3)
C14A—C15A—C16A119.1 (3)C18B—C17B—H17B120.1
C14A—C15A—H15A120.5C16B—C17B—H17B120.1
C16A—C15A—H15A120.5C17B—C18B—C19B120.6 (3)
C17A—C16A—C15A120.1 (3)C17B—C18B—H18B119.7
C17A—C16A—H16A120.0C19B—C18B—H18B119.7
C15A—C16A—H16A120.0C14B—C19B—C18B118.6 (3)
C16A—C17A—C18A120.4 (3)C14B—C19B—H19B120.7
C16A—C17A—H17A119.8C18B—C19B—H19B120.7
C18A—C17A—H17A119.8C20B—C25B—C24B119.4 (3)
C17A—C18A—C19A120.2 (3)C20B—C25B—H25B120.3
C17A—C18A—H18A119.9C24B—C25B—H25B120.3
C19A—C18A—H18A119.9C23B—C24B—C25B120.8 (3)
C14A—C19A—C18A119.2 (3)C23B—C24B—H24B119.6
C14A—C19A—H19A120.4C25B—C24B—H24B119.6
C18A—C19A—H19A120.4C22B—C23B—C24B119.2 (3)
C21A—C20A—C25A119.2 (3)C22B—C23B—H23B120.4
C21A—C20A—N11A122.3 (2)C24B—C23B—H23B120.4
C25A—C20A—N11A118.5 (2)C23B—C22B—C21B121.7 (3)
C20A—C21A—C22A120.0 (3)C23B—C22B—H22B119.2
C20A—C21A—H21A120.0C21B—C22B—H22B119.2
C22A—C21A—H21A120.0C22B—C21B—C20B118.70 (19)
C23A—C22A—C21A121.0 (3)C22B—C21B—H21B120.7
C23A—C22A—H22A119.5C20B—C21B—H21B120.7
C21A—C22A—H22A119.5C25B—C20B—C21B120.18 (15)
C22A—C23A—C24A119.4 (3)C25B—C20B—N11B117.8 (2)
C22A—C23A—H23A120.3C21B—C20B—N11B121.92 (11)
C24A—C23A—H23A120.3C51—O51—H51109.5
C23A—C24A—C25A120.1 (3)O51—C51—H51A109.5
C23A—C24A—H24A119.9O51—C51—H51B109.5
C25A—C24A—H24A119.9H51A—C51—H51B109.5
C20A—C25A—C24A120.2 (3)O51—C51—H51C109.5
C20A—C25A—H25A119.9H51A—C51—H51C109.5
C24A—C25A—H25A119.9H51B—C51—H51C109.5
C2B—N1B—C6B116.7 (2)C52—O52—H52109.5
N1B—C2B—C3B123.5 (2)O52—C52—H52A109.5
N1B—C2B—N7B113.1 (2)O52—C52—H52B109.5
C3B—C2B—N7B123.4 (3)H52A—C52—H52B109.5
C2B—C3B—C4B117.7 (3)O52—C52—H52C109.5
C2B—C3B—H3B121.2H52A—C52—H52C109.5
C4B—C3B—H3B121.2H52B—C52—H52C109.5
C6A—N1A—C2A—C3A−1.5 (4)C6B—N1B—C2B—C3B0.1 (4)
C6A—N1A—C2A—N7A178.9 (2)C6B—N1B—C2B—N7B−178.8 (2)
N1A—C2A—C3A—C4A1.4 (4)N1B—C2B—C3B—C4B0.2 (4)
N7A—C2A—C3A—C4A−179.1 (2)N7B—C2B—C3B—C4B179.0 (3)
C2A—C3A—C4A—C5A−0.1 (4)C2B—C3B—C4B—C5B0.0 (5)
C3A—C4A—C5A—C6A−0.9 (5)C3B—C4B—C5B—C6B−0.4 (5)
C2A—N1A—C6A—C5A0.4 (5)C2B—N1B—C6B—C5B−0.5 (5)
C4A—C5A—C6A—N1A0.8 (5)C4B—C5B—C6B—N1B0.7 (5)
N1A—C2A—N7A—C8A−169.3 (2)N1B—C2B—N7B—C8B−170.1 (2)
C3A—C2A—N7A—C8A11.1 (4)C3B—C2B—N7B—C8B11.0 (4)
C2A—N7A—C8A—O9A−0.2 (4)C2B—N7B—C8B—O9B1.5 (4)
C2A—N7A—C8A—C10A−179.8 (2)C2B—N7B—C8B—C10B−179.3 (2)
O9A—C8A—C10A—N12A61.7 (3)O9B—C8B—C10B—N12B−57.1 (3)
N7A—C8A—C10A—N12A−118.6 (2)N7B—C8B—C10B—N12B123.6 (2)
O9A—C8A—C10A—N11A−115.0 (3)O9B—C8B—C10B—N11B121.4 (3)
N7A—C8A—C10A—N11A64.7 (3)N7B—C8B—C10B—N11B−57.8 (3)
N12A—C10A—N11A—C20A−166.1 (2)N12B—C10B—N11B—C20B159.7 (2)
C8A—C10A—N11A—C20A10.6 (4)C8B—C10B—N11B—C20B−18.9 (4)
N11A—C10A—N12A—O13A2.6 (3)N11B—C10B—N12B—O13B−4.1 (3)
C8A—C10A—N12A—O13A−174.2 (2)C8B—C10B—N12B—O13B174.5 (2)
N11A—C10A—N12A—C14A−169.2 (2)N11B—C10B—N12B—C14B171.1 (2)
C8A—C10A—N12A—C14A13.9 (3)C8B—C10B—N12B—C14B−10.3 (4)
C10A—N12A—C14A—C19A51.8 (3)C10B—N12B—C14B—C19B−56.8 (4)
O13A—N12A—C14A—C19A−120.2 (3)O13B—N12B—C14B—C19B118.6 (3)
C10A—N12A—C14A—C15A−131.3 (3)C10B—N12B—C14B—C15B126.2 (3)
O13A—N12A—C14A—C15A56.6 (3)O13B—N12B—C14B—C15B−58.4 (3)
C19A—C14A—C15A—C16A−2.0 (4)C19B—C14B—C15B—C16B1.6 (4)
N12A—C14A—C15A—C16A−178.8 (2)N12B—C14B—C15B—C16B178.6 (2)
C14A—C15A—C16A—C17A0.3 (4)C14B—C15B—C16B—C17B−1.4 (4)
C15A—C16A—C17A—C18A1.2 (5)C15B—C16B—C17B—C18B0.2 (5)
C16A—C17A—C18A—C19A−1.0 (5)C16B—C17B—C18B—C19B0.7 (5)
C15A—C14A—C19A—C18A2.2 (4)C15B—C14B—C19B—C18B−0.7 (4)
N12A—C14A—C19A—C18A179.0 (3)N12B—C14B—C19B—C18B−177.6 (3)
C17A—C18A—C19A—C14A−0.7 (5)C17B—C18B—C19B—C14B−0.5 (5)
C10A—N11A—C20A—C21A35.0 (4)C20B—C25B—C24B—C23B2.7 (4)
C10A—N11A—C20A—C25A−147.9 (2)C25B—C24B—C23B—C22B−1.4 (5)
C25A—C20A—C21A—C22A−0.3 (4)C24B—C23B—C22B—C21B−0.8 (5)
N11A—C20A—C21A—C22A176.7 (2)C23B—C22B—C21B—C20B1.6 (4)
C20A—C21A—C22A—C23A−1.7 (5)C24B—C25B—C20B—C21B−1.8 (3)
C21A—C22A—C23A—C24A1.7 (5)C24B—C25B—C20B—N11B174.1 (2)
C22A—C23A—C24A—C25A0.2 (5)C22B—C21B—C20B—C25B−0.3 (2)
C21A—C20A—C25A—C24A2.3 (4)C22B—C21B—C20B—N11B−176.0 (3)
N11A—C20A—C25A—C24A−174.9 (2)C10B—N11B—C20B—C25B152.2 (2)
C23A—C24A—C25A—C20A−2.3 (4)C10B—N11B—C20B—C21B−32.0 (3)
D—H···AD—HH···AD···AD—H···A
N7A—H7A···O13B0.861.942.730 (3)152
N11A—H11A···N1Bi0.862.303.095 (3)153
N11A—H11A···O13A0.862.252.603 (3)105
N7B—H7B···O13Aii0.861.902.724 (3)160
N11B—H11B···N1A0.862.323.056 (3)144
N11B—H11B···O13B0.862.282.604 (3)102
O51—H51···O13B0.821.952.770 (3)179
Table 1

Hydrogen-bond geometry (Å, °)

D—H⋯AD—HH⋯ADAD—H⋯A
N7A—H7A⋯O13B0.861.942.730 (3)152
N11A—H11A⋯N1Bi0.862.303.095 (3)153
N11A—H11A⋯O13A0.862.252.603 (3)105
N7B—H7B⋯O13Aii0.861.902.724 (3)160
N11B—H11B⋯N1A0.862.323.056 (3)144
N11B—H11B⋯O13B0.862.282.604 (3)102
O51—H51⋯O13B0.821.952.770 (3)179

Symmetry codes: (i) ; (ii) .

  3 in total

1.  A short history of SHELX.

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

Review 2.  Nitrones as therapeutics in age-related diseases.

Authors:  Robert A Floyd
Journal:  Aging Cell       Date:  2006-02       Impact factor: 9.304

3.  Syntheses of labeled vitamers of folic acid to be used as internal standards in stable isotope dilution assays.

Authors:  Achim Freisleben; Peter Schieberle; Michael Rychlik
Journal:  J Agric Food Chem       Date:  2002-08-14       Impact factor: 5.279

  3 in total

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