organic compounds
Bis[4-hydroxy-3,5-dimethoxybenzaldehyde (2,4-dinitrophenyl)hydrazone] N,N-dimethylformamide disolvate monohydrate
aCollege of Chemical Engineering and Environment, North University of China, Taiyuan 030051, People's Republic of China, and bKey Laboratory of Surface and Interface Science of Henan, School of Material & Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, People's Republic of China
*Correspondence e-mail: zhaolinxiu126@126.com
In the title compound, 2C15H14N4O7·2C3H7NO·H2O, the hydrazone molecules are roughly planar, with the two benzene rings twisted slightly relative to each other by dihedral angle of 6.04 (11) and 7.75 (11)° in the two molecules. The water molecule is linked to the Schiff base molecule by an O—H⋯O hydrogen bond. Intramolecular N—H⋯O hydrogen bonds occur. In the crystal, molecules are linked by intermolecular N—H⋯O and O—H⋯O hydrogen bonds.
Related literature
For general properties of phenylhydrazone derivatives, see: Okabe et al. (1993). For related structures, see: Ohba (1996); Baughman et al. (2004); Kuleshova et al. (2003); Szczesna & Urbanczyk-Lipkowska (2002); Zhen & Han (2005).
Experimental
Crystal data
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Refinement
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Data collection: SMART (Bruker, 1998); cell SAINT (Bruker, 1998); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Burnett & Johnson, 1996); ORTEP-3 for Windows (Farrugia, 1997) and XP in SHELXTL; software used to prepare material for publication: SHELXL97.
Supporting information
10.1107/S1600536810037803/dn2603sup1.cif
contains datablocks global, I. DOI:Structure factors: contains datablock I. DOI: 10.1107/S1600536810037803/dn2603Isup2.hkl
2,4-dinitrophenylhydrazine (1 mmol, 0.198 g) was dissolved in anhydrous ethanol (10 ml), H2SO4(98%, 0.5 ml) was then added and The mixture was stirred for several minitutes at 351k, 4-hydroxy-3,5-dimethoxybenzaldehyde (1 mmol, 0.182 g) in ethanol (5 mm l) was added dropwise and the mixture was stirred at refluxing temperature for 2 h. The product was isolated and recrystallized from DMF and water, red single crystals of (I) was obtained after three weeks.
All H atoms attached to C, N and O(hydroxyl) atoms were fixed geometrically and treatedas riding with C—H = 0.96 Å (methyl) or 0.93 Å (aromatic) and N—H =0.86 Å with Uiso(H) = 1.2Ueq(Caromatic or N) or Uiso(H) = 1.5Ueq(Cmethyl, O). H atoms of water molecule were located in difference Fourier maps and included in the subsequent
using restraints (O-H= 0.85 (1)Å and H···H= 1.39 (2)Å) with Uiso(H) = 1.5Ueq(O). In the last cycles of they were treated as riding on their parent O atom.Data collection: SMART (Bruker, 1998); cell
SAINT (Bruker, 1998); data reduction: SAINT (Bruker, 1998); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEPIII (Burnett & Johnson, 1996); ORTEP-3 for Windows(Farrugia, 1997) and XP in SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXL97 (Sheldrick, 2008).Fig. 1. The asymmetric unit of (I) with the atom-labelling scheme. Displacement ellipsoids are drawn at the 30% probability level. H atoms are represented as small spheres of arbitrary radii. Hydrogen bonds are shown as dashed lines. | |
Fig. 2. The molecular packing of the title compound,Hydrogen bonds are shown as dashed lines. H atoms not involved in hydrogen bondings have been omitted for clarity. |
2C15H14N4O7·2C3H7NO·H2O | Z = 2 |
Mr = 888.81 | F(000) = 932 |
Triclinic, P1 | Dx = 1.431 Mg m−3 |
Hall symbol: -P 1 | Mo Kα radiation, λ = 0.71073 Å |
a = 12.208 (2) Å | Cell parameters from 3010 reflections |
b = 13.931 (2) Å | θ = 3.3–26.3° |
c = 14.537 (2) Å | µ = 0.12 mm−1 |
α = 62.405 (16)° | T = 293 K |
β = 74.412 (15)° | Block, red |
γ = 72.171 (16)° | 0.20 × 0.18 × 0.17 mm |
V = 2062.1 (6) Å3 |
Bruker SMART CCD area detector diffractometer | 8436 independent reflections |
Radiation source: fine-focus sealed tube | 3010 reflections with I > 2σ(I) |
Graphite monochromator | Rint = 0.028 |
ω scans | θmax = 26.4°, θmin = 3.1° |
Absorption correction: multi-scan SADABS(Bruker, 1998) | h = −15→15 |
Tmin = 0.975, Tmax = 0.978 | k = −17→17 |
15349 measured reflections | l = −18→18 |
Refinement on F2 | Primary atom site location: structure-invariant direct methods |
Least-squares matrix: full | Secondary atom site location: difference Fourier map |
R[F2 > 2σ(F2)] = 0.035 | Hydrogen site location: inferred from neighbouring sites |
wR(F2) = 0.071 | H-atom parameters constrained |
S = 0.65 | w = 1/[σ2(Fo2) + (0.0322P)2] where P = (Fo2 + 2Fc2)/3 |
8417 reflections | (Δ/σ)max = 0.001 |
578 parameters | Δρmax = 0.14 e Å−3 |
0 restraints | Δρmin = −0.15 e Å−3 |
2C15H14N4O7·2C3H7NO·H2O | γ = 72.171 (16)° |
Mr = 888.81 | V = 2062.1 (6) Å3 |
Triclinic, P1 | Z = 2 |
a = 12.208 (2) Å | Mo Kα radiation |
b = 13.931 (2) Å | µ = 0.12 mm−1 |
c = 14.537 (2) Å | T = 293 K |
α = 62.405 (16)° | 0.20 × 0.18 × 0.17 mm |
β = 74.412 (15)° |
Bruker SMART CCD area detector diffractometer | 8436 independent reflections |
Absorption correction: multi-scan SADABS(Bruker, 1998) | 3010 reflections with I > 2σ(I) |
Tmin = 0.975, Tmax = 0.978 | Rint = 0.028 |
15349 measured reflections |
R[F2 > 2σ(F2)] = 0.035 | 0 restraints |
wR(F2) = 0.071 | H-atom parameters constrained |
S = 0.65 | Δρmax = 0.14 e Å−3 |
8417 reflections | Δρmin = −0.15 e Å−3 |
578 parameters |
Geometry. All esds (except the esd in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell esds are taken into account individually in the estimation of esds in distances, angles and torsion angles; correlations between esds in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell esds is used for estimating esds 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. |
x | y | z | Uiso*/Ueq | ||
O1 | 1.16438 (10) | 0.47386 (11) | 0.11183 (10) | 0.0624 (4) | |
O2 | 1.07317 (10) | 0.42369 (12) | 0.30577 (10) | 0.0659 (4) | |
H2 | 1.0419 | 0.4212 | 0.3641 | 0.099* | |
O3 | 0.85512 (10) | 0.51899 (11) | 0.36572 (10) | 0.0569 (4) | |
O4 | 0.60331 (12) | 0.98455 (12) | −0.26044 (10) | 0.0728 (4) | |
O5 | 0.43491 (13) | 1.08306 (14) | −0.29372 (12) | 0.0977 (6) | |
O6 | 0.10800 (11) | 1.07985 (13) | −0.03146 (13) | 0.0778 (5) | |
O7 | 0.13071 (12) | 0.99503 (14) | 0.13233 (14) | 0.0843 (5) | |
N1 | 0.69782 (12) | 0.77314 (13) | 0.01660 (11) | 0.0448 (4) | |
N2 | 0.63799 (12) | 0.84473 (12) | −0.06680 (12) | 0.0453 (4) | |
H2A | 0.6722 | 0.8612 | −0.1305 | 0.054* | |
N3 | 0.49985 (15) | 1.01377 (15) | −0.23198 (14) | 0.0577 (5) | |
N4 | 0.16778 (14) | 1.01869 (15) | 0.03847 (17) | 0.0588 (5) | |
C1 | 0.98729 (14) | 0.60679 (15) | 0.04999 (15) | 0.0424 (5) | |
H1B | 1.0192 | 0.6253 | −0.0203 | 0.051* | |
C2 | 1.05264 (15) | 0.52930 (16) | 0.12764 (16) | 0.0433 (5) | |
C3 | 1.00473 (15) | 0.50120 (16) | 0.23327 (15) | 0.0430 (5) | |
C4 | 0.89093 (15) | 0.55258 (16) | 0.25985 (16) | 0.0409 (5) | |
C5 | 0.82687 (14) | 0.62989 (15) | 0.18204 (15) | 0.0437 (5) | |
H5A | 0.7513 | 0.6645 | 0.1997 | 0.052* | |
C6 | 0.87395 (14) | 0.65703 (15) | 0.07682 (16) | 0.0389 (5) | |
C7 | 1.22460 (14) | 0.50572 (16) | 0.00683 (14) | 0.0530 (6) | |
H7B | 1.3025 | 0.4619 | 0.0071 | 0.079* | |
H7C | 1.2270 | 0.5827 | −0.0228 | 0.079* | |
H7D | 1.1847 | 0.4940 | −0.0345 | 0.079* | |
C8 | 0.73980 (15) | 0.56672 (18) | 0.39943 (15) | 0.0712 (7) | |
H8A | 0.7263 | 0.5385 | 0.4746 | 0.107* | |
H8B | 0.6853 | 0.5480 | 0.3768 | 0.107* | |
H8C | 0.7300 | 0.6458 | 0.3696 | 0.107* | |
C9 | 0.80494 (15) | 0.73386 (15) | −0.00621 (15) | 0.0446 (5) | |
H9A | 0.8391 | 0.7543 | −0.0761 | 0.053* | |
C10 | 0.52455 (15) | 0.88791 (15) | −0.04531 (15) | 0.0381 (5) | |
C11 | 0.45313 (15) | 0.96713 (16) | −0.12119 (15) | 0.0410 (5) | |
C12 | 0.33727 (15) | 1.00841 (16) | −0.09368 (16) | 0.0455 (5) | |
H12A | 0.2922 | 1.0600 | −0.1455 | 0.055* | |
C13 | 0.28912 (15) | 0.97383 (17) | 0.00874 (17) | 0.0455 (5) | |
C14 | 0.35523 (16) | 0.89655 (16) | 0.08688 (15) | 0.0516 (6) | |
H14A | 0.3216 | 0.8734 | 0.1571 | 0.062* | |
C15 | 0.46907 (16) | 0.85492 (16) | 0.06046 (15) | 0.0497 (5) | |
H15A | 0.5122 | 0.8029 | 0.1136 | 0.060* | |
O9 | 1.60110 (10) | −0.20303 (11) | 0.61612 (10) | 0.0575 (4) | |
O10 | 1.50993 (10) | −0.25838 (13) | 0.81097 (10) | 0.0650 (4) | |
H10 | 1.4725 | −0.2779 | 0.8702 | 0.098* | |
O11 | 1.27984 (10) | −0.19778 (11) | 0.87289 (10) | 0.0530 (4) | |
O12 | 1.00060 (11) | 0.22634 (13) | 0.25371 (10) | 0.0710 (5) | |
O13 | 0.83852 (12) | 0.34266 (12) | 0.22412 (10) | 0.0715 (4) | |
O14 | 0.56221 (14) | 0.28231 (17) | 0.65779 (15) | 0.1112 (7) | |
O15 | 0.53231 (12) | 0.36640 (14) | 0.49623 (14) | 0.0901 (6) | |
N6 | 1.11811 (12) | 0.05058 (12) | 0.52678 (11) | 0.0437 (4) | |
N7 | 1.05646 (11) | 0.12124 (12) | 0.44502 (11) | 0.0459 (4) | |
H7 | 1.0884 | 0.1369 | 0.3808 | 0.055* | |
N8 | 0.90520 (15) | 0.27239 (15) | 0.28452 (13) | 0.0508 (5) | |
N9 | 0.59430 (15) | 0.30440 (18) | 0.56430 (19) | 0.0734 (6) | |
C19 | 1.41392 (14) | −0.10112 (15) | 0.55671 (14) | 0.0421 (5) | |
H19A | 1.4459 | −0.0826 | 0.4865 | 0.051* | |
C20 | 1.48356 (15) | −0.16602 (16) | 0.63432 (15) | 0.0415 (5) | |
C21 | 1.43604 (15) | −0.19613 (16) | 0.73928 (15) | 0.0423 (5) | |
C22 | 1.31679 (15) | −0.16104 (15) | 0.76710 (15) | 0.0408 (5) | |
C23 | 1.24810 (14) | −0.09458 (15) | 0.69001 (15) | 0.0402 (5) | |
H23A | 1.1690 | −0.0698 | 0.7083 | 0.048* | |
C24 | 1.29642 (14) | −0.06399 (15) | 0.58421 (15) | 0.0368 (5) | |
C25 | 1.65080 (14) | −0.20819 (16) | 0.51718 (15) | 0.0559 (6) | |
H25A | 1.7314 | −0.2446 | 0.5181 | 0.084* | |
H25B | 1.6441 | −0.1344 | 0.4625 | 0.084* | |
H25C | 1.6102 | −0.2490 | 0.5045 | 0.084* | |
C26 | 1.15956 (15) | −0.16295 (17) | 0.90709 (15) | 0.0584 (6) | |
H26A | 1.1445 | −0.1954 | 0.9824 | 0.088* | |
H26B | 1.1133 | −0.1864 | 0.8805 | 0.088* | |
H26C | 1.1399 | −0.0836 | 0.8814 | 0.088* | |
C27 | 1.22455 (15) | 0.00984 (15) | 0.50237 (14) | 0.0420 (5) | |
H27A | 1.2563 | 0.0273 | 0.4322 | 0.050* | |
C28 | 0.94411 (15) | 0.16467 (16) | 0.46994 (15) | 0.0390 (5) | |
C29 | 0.86909 (15) | 0.24109 (16) | 0.39592 (15) | 0.0390 (5) | |
C30 | 0.75571 (15) | 0.28574 (16) | 0.42727 (16) | 0.0474 (5) | |
H30A | 0.7081 | 0.3364 | 0.3772 | 0.057* | |
C31 | 0.71345 (15) | 0.25594 (18) | 0.53100 (18) | 0.0513 (6) | |
C32 | 0.78217 (17) | 0.17783 (18) | 0.60649 (16) | 0.0591 (6) | |
H32A | 0.7516 | 0.1556 | 0.6774 | 0.071* | |
C33 | 0.89359 (15) | 0.13397 (17) | 0.57704 (15) | 0.0508 (6) | |
H33A | 0.9387 | 0.0820 | 0.6287 | 0.061* | |
O8 | 1.48326 (14) | −0.35737 (15) | 1.01517 (13) | 0.0855 (5) | |
N5 | 1.44236 (15) | −0.46103 (15) | 1.18764 (15) | 0.0591 (5) | |
C16 | 1.3621 (2) | −0.5215 (2) | 1.2721 (2) | 0.1249 (10) | |
H16A | 1.2958 | −0.5157 | 1.2449 | 0.187* | |
H16B | 1.3372 | −0.4910 | 1.3234 | 0.187* | |
H16C | 1.3999 | −0.5980 | 1.3043 | 0.187* | |
C17 | 1.55486 (19) | −0.4729 (2) | 1.20919 (19) | 0.1105 (10) | |
H17A | 1.5943 | −0.4196 | 1.1506 | 0.166* | |
H17B | 1.5996 | −0.5463 | 1.2206 | 0.166* | |
H17C | 1.5460 | −0.4606 | 1.2708 | 0.166* | |
C18 | 1.4189 (2) | −0.4036 (2) | 1.0903 (2) | 0.0687 (7) | |
H18A | 1.3454 | −0.3989 | 1.0796 | 0.082* | |
O16 | 1.05419 (13) | 0.35079 (13) | 0.50902 (12) | 0.0826 (5) | |
N10 | 0.99256 (16) | 0.27610 (16) | 0.68363 (15) | 0.0612 (5) | |
C34 | 1.0898 (2) | 0.18411 (19) | 0.70500 (18) | 0.0913 (8) | |
H34A | 1.1262 | 0.1747 | 0.6415 | 0.137* | |
H34B | 1.0636 | 0.1181 | 0.7564 | 0.137* | |
H34C | 1.1450 | 0.1978 | 0.7314 | 0.137* | |
C35 | 0.9053 (2) | 0.2821 (2) | 0.77290 (19) | 0.1047 (9) | |
H35A | 0.8439 | 0.3460 | 0.7487 | 0.157* | |
H35B | 0.9407 | 0.2877 | 0.8212 | 0.157* | |
H35C | 0.8739 | 0.2164 | 0.8075 | 0.157* | |
C36 | 0.9843 (2) | 0.3510 (2) | 0.5864 (2) | 0.0707 (7) | |
H36A | 0.9193 | 0.4090 | 0.5761 | 0.085* | |
O17 | 1.23621 (9) | 0.22474 (10) | 0.25040 (9) | 0.0597 (4) | |
H1A | 1.2979 | 0.2211 | 0.2686 | 0.090* | |
H1C | 1.1978 | 0.2900 | 0.2365 | 0.090* |
U11 | U22 | U33 | U12 | U13 | U23 | |
O1 | 0.0430 (8) | 0.0772 (11) | 0.0370 (9) | 0.0134 (8) | −0.0032 (7) | −0.0168 (9) |
O2 | 0.0507 (8) | 0.0798 (11) | 0.0380 (9) | 0.0137 (8) | −0.0100 (7) | −0.0156 (10) |
O3 | 0.0440 (8) | 0.0741 (11) | 0.0346 (9) | 0.0035 (7) | −0.0039 (7) | −0.0189 (9) |
O4 | 0.0555 (9) | 0.0804 (12) | 0.0404 (10) | 0.0060 (8) | 0.0022 (7) | −0.0082 (9) |
O5 | 0.0738 (10) | 0.1211 (15) | 0.0393 (10) | 0.0138 (10) | −0.0209 (9) | 0.0002 (11) |
O6 | 0.0493 (9) | 0.0871 (13) | 0.0820 (13) | 0.0085 (8) | −0.0174 (9) | −0.0330 (11) |
O7 | 0.0625 (10) | 0.0978 (14) | 0.0652 (12) | −0.0032 (9) | 0.0150 (9) | −0.0332 (12) |
N1 | 0.0419 (10) | 0.0443 (11) | 0.0397 (11) | −0.0020 (8) | −0.0161 (9) | −0.0097 (10) |
N2 | 0.0404 (9) | 0.0488 (12) | 0.0312 (11) | −0.0001 (8) | −0.0078 (8) | −0.0083 (10) |
N3 | 0.0542 (12) | 0.0635 (14) | 0.0365 (12) | −0.0017 (10) | −0.0117 (10) | −0.0094 (11) |
N4 | 0.0455 (12) | 0.0585 (15) | 0.0683 (16) | −0.0062 (10) | −0.0046 (11) | −0.0280 (14) |
C1 | 0.0436 (12) | 0.0486 (14) | 0.0311 (13) | −0.0077 (10) | −0.0064 (10) | −0.0142 (12) |
C2 | 0.0359 (11) | 0.0488 (14) | 0.0389 (14) | 0.0008 (10) | −0.0063 (10) | −0.0188 (13) |
C3 | 0.0422 (12) | 0.0444 (14) | 0.0349 (13) | 0.0011 (10) | −0.0124 (10) | −0.0130 (12) |
C4 | 0.0388 (11) | 0.0487 (15) | 0.0340 (13) | −0.0072 (10) | −0.0044 (10) | −0.0179 (12) |
C5 | 0.0365 (11) | 0.0480 (15) | 0.0435 (14) | −0.0026 (10) | −0.0076 (11) | −0.0195 (13) |
C6 | 0.0336 (11) | 0.0401 (14) | 0.0409 (14) | −0.0003 (10) | −0.0124 (10) | −0.0163 (12) |
C7 | 0.0444 (11) | 0.0678 (16) | 0.0413 (14) | −0.0075 (11) | 0.0025 (10) | −0.0258 (13) |
C8 | 0.0540 (13) | 0.0950 (19) | 0.0485 (15) | 0.0000 (13) | 0.0054 (11) | −0.0334 (15) |
C9 | 0.0430 (12) | 0.0485 (14) | 0.0386 (14) | −0.0045 (11) | −0.0092 (10) | −0.0167 (12) |
C10 | 0.0392 (11) | 0.0372 (13) | 0.0341 (13) | −0.0046 (10) | −0.0078 (10) | −0.0128 (12) |
C11 | 0.0430 (12) | 0.0443 (14) | 0.0306 (13) | −0.0080 (10) | −0.0068 (10) | −0.0115 (12) |
C12 | 0.0400 (12) | 0.0489 (15) | 0.0434 (15) | −0.0004 (10) | −0.0139 (11) | −0.0173 (13) |
C13 | 0.0366 (12) | 0.0496 (15) | 0.0467 (15) | −0.0030 (11) | −0.0049 (11) | −0.0216 (14) |
C14 | 0.0527 (14) | 0.0576 (16) | 0.0340 (14) | −0.0092 (12) | 0.0003 (11) | −0.0156 (13) |
C15 | 0.0528 (13) | 0.0512 (15) | 0.0309 (13) | −0.0022 (11) | −0.0095 (10) | −0.0091 (12) |
O9 | 0.0345 (7) | 0.0843 (11) | 0.0371 (9) | 0.0035 (7) | −0.0047 (6) | −0.0219 (9) |
O10 | 0.0462 (8) | 0.0904 (12) | 0.0355 (9) | 0.0015 (8) | −0.0110 (7) | −0.0146 (10) |
O11 | 0.0453 (8) | 0.0658 (10) | 0.0300 (9) | −0.0042 (7) | −0.0024 (7) | −0.0117 (8) |
O12 | 0.0437 (8) | 0.1124 (13) | 0.0389 (10) | −0.0004 (9) | −0.0037 (7) | −0.0280 (10) |
O13 | 0.0695 (9) | 0.0791 (12) | 0.0399 (10) | −0.0023 (9) | −0.0239 (8) | −0.0033 (9) |
O14 | 0.0760 (11) | 0.1595 (19) | 0.0773 (15) | 0.0073 (11) | 0.0125 (10) | −0.0650 (15) |
O15 | 0.0479 (9) | 0.1076 (15) | 0.0949 (15) | 0.0140 (9) | −0.0156 (10) | −0.0420 (13) |
N6 | 0.0382 (10) | 0.0495 (12) | 0.0339 (11) | −0.0018 (8) | −0.0139 (8) | −0.0097 (10) |
N7 | 0.0376 (9) | 0.0596 (12) | 0.0304 (10) | −0.0008 (8) | −0.0094 (8) | −0.0140 (10) |
N8 | 0.0471 (11) | 0.0634 (14) | 0.0379 (12) | −0.0126 (10) | −0.0128 (10) | −0.0138 (11) |
N9 | 0.0451 (12) | 0.0926 (18) | 0.0819 (18) | 0.0003 (11) | −0.0031 (12) | −0.0485 (17) |
C19 | 0.0411 (11) | 0.0454 (14) | 0.0293 (13) | −0.0067 (10) | −0.0038 (10) | −0.0092 (11) |
C20 | 0.0325 (11) | 0.0481 (14) | 0.0368 (13) | −0.0051 (10) | −0.0034 (10) | −0.0149 (12) |
C21 | 0.0367 (11) | 0.0501 (14) | 0.0338 (13) | −0.0006 (10) | −0.0131 (10) | −0.0135 (12) |
C22 | 0.0423 (12) | 0.0454 (15) | 0.0280 (13) | −0.0087 (10) | −0.0007 (10) | −0.0127 (13) |
C23 | 0.0314 (10) | 0.0441 (14) | 0.0383 (13) | −0.0062 (10) | −0.0057 (10) | −0.0124 (12) |
C24 | 0.0352 (11) | 0.0392 (13) | 0.0319 (13) | −0.0050 (10) | −0.0081 (10) | −0.0114 (12) |
C25 | 0.0450 (12) | 0.0618 (16) | 0.0493 (15) | −0.0032 (11) | 0.0013 (11) | −0.0233 (13) |
C26 | 0.0482 (12) | 0.0751 (17) | 0.0421 (14) | −0.0094 (11) | 0.0052 (10) | −0.0251 (13) |
C27 | 0.0417 (11) | 0.0457 (14) | 0.0340 (13) | −0.0074 (10) | −0.0061 (10) | −0.0136 (12) |
C28 | 0.0355 (11) | 0.0485 (14) | 0.0321 (13) | −0.0095 (10) | −0.0084 (9) | −0.0139 (12) |
C29 | 0.0383 (11) | 0.0485 (14) | 0.0294 (13) | −0.0103 (10) | −0.0048 (10) | −0.0150 (12) |
C30 | 0.0399 (12) | 0.0474 (15) | 0.0498 (15) | 0.0004 (10) | −0.0163 (11) | −0.0168 (14) |
C31 | 0.0344 (12) | 0.0663 (17) | 0.0533 (16) | −0.0037 (11) | −0.0024 (11) | −0.0315 (15) |
C32 | 0.0510 (13) | 0.0859 (18) | 0.0380 (15) | −0.0095 (13) | −0.0034 (11) | −0.0286 (15) |
C33 | 0.0426 (12) | 0.0713 (16) | 0.0314 (14) | −0.0082 (11) | −0.0075 (10) | −0.0169 (13) |
O8 | 0.0799 (12) | 0.1070 (15) | 0.0471 (12) | −0.0114 (10) | −0.0173 (9) | −0.0147 (12) |
N5 | 0.0610 (12) | 0.0592 (13) | 0.0424 (13) | −0.0091 (10) | −0.0074 (10) | −0.0115 (11) |
C16 | 0.119 (2) | 0.104 (2) | 0.099 (2) | −0.047 (2) | 0.0239 (19) | −0.007 (2) |
C17 | 0.0744 (17) | 0.162 (3) | 0.0693 (19) | 0.0021 (17) | −0.0319 (15) | −0.033 (2) |
C18 | 0.0560 (16) | 0.083 (2) | 0.071 (2) | −0.0053 (14) | −0.0170 (15) | −0.0374 (19) |
O16 | 0.0766 (11) | 0.0999 (14) | 0.0364 (10) | 0.0050 (10) | −0.0109 (8) | −0.0131 (10) |
N10 | 0.0809 (13) | 0.0586 (14) | 0.0384 (13) | −0.0199 (11) | 0.0006 (11) | −0.0173 (12) |
C34 | 0.1037 (19) | 0.085 (2) | 0.0574 (18) | 0.0015 (17) | −0.0343 (15) | −0.0085 (16) |
C35 | 0.131 (2) | 0.095 (2) | 0.074 (2) | −0.0475 (18) | 0.0401 (18) | −0.0392 (19) |
C36 | 0.0670 (16) | 0.0641 (19) | 0.062 (2) | −0.0025 (14) | −0.0107 (15) | −0.0177 (18) |
O17 | 0.0451 (7) | 0.0630 (10) | 0.0647 (10) | 0.0003 (7) | −0.0195 (7) | −0.0226 (9) |
O1—C2 | 1.3641 (19) | N7—C28 | 1.3440 (19) |
O1—C7 | 1.4270 (19) | N7—H7 | 0.8600 |
O2—C3 | 1.357 (2) | N8—C29 | 1.445 (2) |
O2—H2 | 0.8200 | N9—C31 | 1.459 (2) |
O3—C4 | 1.369 (2) | C19—C20 | 1.383 (2) |
O3—C8 | 1.4220 (18) | C19—C24 | 1.383 (2) |
O4—N3 | 1.2217 (17) | C19—H19A | 0.9300 |
O5—N3 | 1.2153 (18) | C20—C21 | 1.386 (2) |
O6—N4 | 1.2279 (19) | C21—C22 | 1.397 (2) |
O7—N4 | 1.232 (2) | C22—C23 | 1.373 (2) |
N1—C9 | 1.2714 (19) | C23—C24 | 1.398 (2) |
N1—N2 | 1.3813 (18) | C23—H23A | 0.9300 |
N2—C10 | 1.3450 (19) | C24—C27 | 1.455 (2) |
N2—H2A | 0.8600 | C25—H25A | 0.9600 |
N3—C11 | 1.451 (2) | C25—H25B | 0.9600 |
N4—C13 | 1.453 (2) | C25—H25C | 0.9600 |
C1—C2 | 1.380 (2) | C26—H26A | 0.9600 |
C1—C6 | 1.388 (2) | C26—H26B | 0.9600 |
C1—H1B | 0.9300 | C26—H26C | 0.9600 |
C2—C3 | 1.398 (2) | C27—H27A | 0.9300 |
C3—C4 | 1.397 (2) | C28—C29 | 1.415 (2) |
C4—C5 | 1.372 (2) | C28—C33 | 1.420 (2) |
C5—C6 | 1.392 (2) | C29—C30 | 1.381 (2) |
C5—H5A | 0.9300 | C30—C31 | 1.358 (2) |
C6—C9 | 1.452 (2) | C30—H30A | 0.9300 |
C7—H7B | 0.9600 | C31—C32 | 1.386 (3) |
C7—H7C | 0.9600 | C32—C33 | 1.352 (2) |
C7—H7D | 0.9600 | C32—H32A | 0.9300 |
C8—H8A | 0.9600 | C33—H33A | 0.9300 |
C8—H8B | 0.9600 | O8—C18 | 1.193 (2) |
C8—H8C | 0.9600 | N5—C18 | 1.324 (3) |
C9—H9A | 0.9300 | N5—C17 | 1.434 (2) |
C10—C11 | 1.412 (2) | N5—C16 | 1.441 (3) |
C10—C15 | 1.418 (2) | C16—H16A | 0.9600 |
C11—C12 | 1.379 (2) | C16—H16B | 0.9600 |
C12—C13 | 1.354 (2) | C16—H16C | 0.9600 |
C12—H12A | 0.9300 | C17—H17A | 0.9600 |
C13—C14 | 1.389 (2) | C17—H17B | 0.9600 |
C14—C15 | 1.357 (2) | C17—H17C | 0.9600 |
C14—H14A | 0.9300 | C18—H18A | 0.9300 |
C15—H15A | 0.9300 | O16—C36 | 1.216 (2) |
O9—C20 | 1.3654 (18) | N10—C36 | 1.320 (3) |
O9—C25 | 1.4290 (18) | N10—C34 | 1.431 (2) |
O10—C21 | 1.3567 (19) | N10—C35 | 1.459 (2) |
O10—H10 | 0.8200 | C34—H34A | 0.9600 |
O11—C22 | 1.3674 (19) | C34—H34B | 0.9600 |
O11—C26 | 1.4262 (18) | C34—H34C | 0.9600 |
O12—N8 | 1.2236 (17) | C35—H35A | 0.9600 |
O13—N8 | 1.2213 (17) | C35—H35B | 0.9600 |
O14—N9 | 1.223 (2) | C35—H35C | 0.9600 |
O15—N9 | 1.228 (2) | C36—H36A | 0.9300 |
N6—C27 | 1.2743 (18) | O17—H1A | 0.8434 |
N6—N7 | 1.3753 (17) | O17—H1C | 0.8411 |
C2—O1—C7 | 118.08 (15) | O10—C21—C20 | 117.24 (16) |
C3—O2—H2 | 109.5 | O10—C21—C22 | 122.92 (17) |
C4—O3—C8 | 117.50 (14) | C20—C21—C22 | 119.83 (17) |
C9—N1—N2 | 116.51 (15) | O11—C22—C23 | 125.91 (17) |
C10—N2—N1 | 117.98 (15) | O11—C22—C21 | 114.44 (17) |
C10—N2—H2A | 121.0 | C23—C22—C21 | 119.65 (18) |
N1—N2—H2A | 121.0 | C22—C23—C24 | 120.34 (17) |
O5—N3—O4 | 121.83 (19) | C22—C23—H23A | 119.8 |
O5—N3—C11 | 118.69 (18) | C24—C23—H23A | 119.8 |
O4—N3—C11 | 119.45 (17) | C19—C24—C23 | 120.03 (17) |
O6—N4—O7 | 123.38 (18) | C19—C24—C27 | 119.58 (17) |
O6—N4—C13 | 118.2 (2) | C23—C24—C27 | 120.36 (16) |
O7—N4—C13 | 118.4 (2) | O9—C25—H25A | 109.5 |
C2—C1—C6 | 119.96 (17) | O9—C25—H25B | 109.5 |
C2—C1—H1B | 120.0 | H25A—C25—H25B | 109.5 |
C6—C1—H1B | 120.0 | O9—C25—H25C | 109.5 |
O1—C2—C1 | 125.71 (17) | H25A—C25—H25C | 109.5 |
O1—C2—C3 | 114.22 (17) | H25B—C25—H25C | 109.5 |
C1—C2—C3 | 120.06 (17) | O11—C26—H26A | 109.5 |
O2—C3—C4 | 123.09 (18) | O11—C26—H26B | 109.5 |
O2—C3—C2 | 117.15 (16) | H26A—C26—H26B | 109.5 |
C4—C3—C2 | 119.76 (18) | O11—C26—H26C | 109.5 |
O3—C4—C5 | 126.32 (17) | H26A—C26—H26C | 109.5 |
O3—C4—C3 | 113.97 (17) | H26B—C26—H26C | 109.5 |
C5—C4—C3 | 119.71 (18) | N6—C27—C24 | 120.03 (17) |
C4—C5—C6 | 120.61 (17) | N6—C27—H27A | 120.0 |
C4—C5—H5A | 119.7 | C24—C27—H27A | 120.0 |
C6—C5—H5A | 119.7 | N7—C28—C29 | 124.55 (17) |
C1—C6—C5 | 119.89 (18) | N7—C28—C33 | 119.76 (17) |
C1—C6—C9 | 118.85 (18) | C29—C28—C33 | 115.69 (16) |
C5—C6—C9 | 121.21 (17) | C30—C29—C28 | 121.36 (17) |
O1—C7—H7B | 109.5 | C30—C29—N8 | 116.69 (18) |
O1—C7—H7C | 109.5 | C28—C29—N8 | 121.89 (16) |
H7B—C7—H7C | 109.5 | C31—C30—C29 | 120.20 (19) |
O1—C7—H7D | 109.5 | C31—C30—H30A | 119.9 |
H7B—C7—H7D | 109.5 | C29—C30—H30A | 119.9 |
H7C—C7—H7D | 109.5 | C30—C31—C32 | 120.49 (18) |
O3—C8—H8A | 109.5 | C30—C31—N9 | 120.3 (2) |
O3—C8—H8B | 109.5 | C32—C31—N9 | 119.2 (2) |
H8A—C8—H8B | 109.5 | C33—C32—C31 | 119.96 (19) |
O3—C8—H8C | 109.5 | C33—C32—H32A | 120.0 |
H8A—C8—H8C | 109.5 | C31—C32—H32A | 120.0 |
H8B—C8—H8C | 109.5 | C32—C33—C28 | 122.20 (19) |
N1—C9—C6 | 120.06 (18) | C32—C33—H33A | 118.9 |
N1—C9—H9A | 120.0 | C28—C33—H33A | 118.9 |
C6—C9—H9A | 120.0 | C18—N5—C17 | 119.7 (2) |
N2—C10—C11 | 124.94 (17) | C18—N5—C16 | 122.0 (2) |
N2—C10—C15 | 119.70 (18) | C17—N5—C16 | 118.0 (2) |
C11—C10—C15 | 115.35 (17) | N5—C16—H16A | 109.5 |
C12—C11—C10 | 121.97 (18) | N5—C16—H16B | 109.5 |
C12—C11—N3 | 116.52 (18) | H16A—C16—H16B | 109.5 |
C10—C11—N3 | 121.43 (17) | N5—C16—H16C | 109.5 |
C13—C12—C11 | 119.99 (19) | H16A—C16—H16C | 109.5 |
C13—C12—H12A | 120.0 | H16B—C16—H16C | 109.5 |
C11—C12—H12A | 120.0 | N5—C17—H17A | 109.5 |
C12—C13—C14 | 120.62 (18) | N5—C17—H17B | 109.5 |
C12—C13—N4 | 120.3 (2) | H17A—C17—H17B | 109.5 |
C14—C13—N4 | 119.1 (2) | N5—C17—H17C | 109.5 |
C15—C14—C13 | 119.77 (18) | H17A—C17—H17C | 109.5 |
C15—C14—H14A | 120.1 | H17B—C17—H17C | 109.5 |
C13—C14—H14A | 120.1 | O8—C18—N5 | 126.1 (2) |
C14—C15—C10 | 122.29 (19) | O8—C18—H18A | 116.9 |
C14—C15—H15A | 118.9 | N5—C18—H18A | 116.9 |
C10—C15—H15A | 118.9 | C36—N10—C34 | 120.1 (2) |
C20—O9—C25 | 117.99 (13) | C36—N10—C35 | 122.7 (2) |
C21—O10—H10 | 109.5 | C34—N10—C35 | 117.2 (2) |
C22—O11—C26 | 117.57 (14) | N10—C34—H34A | 109.5 |
C27—N6—N7 | 116.61 (15) | N10—C34—H34B | 109.5 |
C28—N7—N6 | 117.08 (15) | H34A—C34—H34B | 109.5 |
C28—N7—H7 | 121.5 | N10—C34—H34C | 109.5 |
N6—N7—H7 | 121.5 | H34A—C34—H34C | 109.5 |
O13—N8—O12 | 122.04 (17) | H34B—C34—H34C | 109.5 |
O13—N8—C29 | 118.88 (17) | N10—C35—H35A | 109.5 |
O12—N8—C29 | 119.07 (17) | N10—C35—H35B | 109.5 |
O14—N9—O15 | 123.7 (2) | H35A—C35—H35B | 109.5 |
O14—N9—C31 | 118.4 (2) | N10—C35—H35C | 109.5 |
O15—N9—C31 | 117.8 (2) | H35A—C35—H35C | 109.5 |
C20—C19—C24 | 119.60 (17) | H35B—C35—H35C | 109.5 |
C20—C19—H19A | 120.2 | O16—C36—N10 | 125.8 (2) |
C24—C19—H19A | 120.2 | O16—C36—H36A | 117.1 |
O9—C20—C19 | 124.59 (17) | N10—C36—H36A | 117.1 |
O9—C20—C21 | 114.87 (17) | H1A—O17—H1C | 105.8 |
C19—C20—C21 | 120.52 (17) | ||
C9—N1—N2—C10 | −179.87 (16) | C25—O9—C20—C21 | 159.79 (17) |
C7—O1—C2—C1 | 7.0 (3) | C24—C19—C20—O9 | −176.94 (17) |
C7—O1—C2—C3 | −173.36 (15) | C24—C19—C20—C21 | 1.5 (3) |
C6—C1—C2—O1 | 179.75 (17) | O9—C20—C21—O10 | −0.4 (2) |
C6—C1—C2—C3 | 0.1 (3) | C19—C20—C21—O10 | −178.96 (16) |
O1—C2—C3—O2 | −0.3 (2) | O9—C20—C21—C22 | 178.79 (16) |
C1—C2—C3—O2 | 179.40 (16) | C19—C20—C21—C22 | 0.2 (3) |
O1—C2—C3—C4 | 179.75 (16) | C26—O11—C22—C23 | −1.1 (2) |
C1—C2—C3—C4 | −0.6 (3) | C26—O11—C22—C21 | 178.48 (15) |
C8—O3—C4—C5 | 1.2 (3) | O10—C21—C22—O11 | −2.1 (3) |
C8—O3—C4—C3 | −179.48 (15) | C20—C21—C22—O11 | 178.75 (16) |
O2—C3—C4—O3 | 1.0 (3) | O10—C21—C22—C23 | 177.47 (17) |
C2—C3—C4—O3 | −179.05 (16) | C20—C21—C22—C23 | −1.7 (3) |
O2—C3—C4—C5 | −179.70 (17) | O11—C22—C23—C24 | −179.07 (17) |
C2—C3—C4—C5 | 0.3 (3) | C21—C22—C23—C24 | 1.4 (3) |
O3—C4—C5—C6 | 179.72 (17) | C20—C19—C24—C23 | −1.8 (3) |
C3—C4—C5—C6 | 0.5 (3) | C20—C19—C24—C27 | 176.25 (16) |
C2—C1—C6—C5 | 0.6 (3) | C22—C23—C24—C19 | 0.3 (3) |
C2—C1—C6—C9 | −176.73 (16) | C22—C23—C24—C27 | −177.67 (15) |
C4—C5—C6—C1 | −0.9 (3) | N7—N6—C27—C24 | 178.82 (14) |
C4—C5—C6—C9 | 176.36 (16) | C19—C24—C27—N6 | −175.15 (18) |
N2—N1—C9—C6 | −179.34 (14) | C23—C24—C27—N6 | 2.8 (2) |
C1—C6—C9—N1 | 173.56 (17) | N6—N7—C28—C29 | 178.06 (15) |
C5—C6—C9—N1 | −3.8 (3) | N6—N7—C28—C33 | −2.0 (2) |
N1—N2—C10—C11 | 176.00 (15) | N7—C28—C29—C30 | −177.35 (18) |
N1—N2—C10—C15 | −3.2 (2) | C33—C28—C29—C30 | 2.7 (2) |
N2—C10—C11—C12 | −179.73 (17) | N7—C28—C29—N8 | 5.5 (3) |
C15—C10—C11—C12 | −0.5 (2) | C33—C28—C29—N8 | −174.43 (16) |
N2—C10—C11—N3 | −3.2 (3) | O13—N8—C29—C30 | 6.2 (2) |
C15—C10—C11—N3 | 176.03 (16) | O12—N8—C29—C30 | −172.52 (16) |
O5—N3—C11—C12 | −2.0 (3) | O13—N8—C29—C28 | −176.60 (16) |
O4—N3—C11—C12 | 176.30 (17) | O12—N8—C29—C28 | 4.7 (3) |
O5—N3—C11—C10 | −178.76 (18) | C28—C29—C30—C31 | −0.6 (3) |
O4—N3—C11—C10 | −0.4 (3) | N8—C29—C30—C31 | 176.67 (17) |
C10—C11—C12—C13 | 0.6 (3) | C29—C30—C31—C32 | −2.1 (3) |
N3—C11—C12—C13 | −176.08 (16) | C29—C30—C31—N9 | 178.97 (17) |
C11—C12—C13—C14 | −0.2 (3) | O14—N9—C31—C30 | −174.3 (2) |
C11—C12—C13—N4 | 178.68 (16) | O15—N9—C31—C30 | 4.8 (3) |
O6—N4—C13—C12 | 7.0 (3) | O14—N9—C31—C32 | 6.8 (3) |
O7—N4—C13—C12 | −171.76 (19) | O15—N9—C31—C32 | −174.12 (19) |
O6—N4—C13—C14 | −174.10 (18) | C30—C31—C32—C33 | 2.6 (3) |
O7—N4—C13—C14 | 7.2 (3) | N9—C31—C32—C33 | −178.49 (19) |
C12—C13—C14—C15 | −0.2 (3) | C31—C32—C33—C28 | −0.3 (3) |
N4—C13—C14—C15 | −179.17 (18) | N7—C28—C33—C32 | 177.80 (18) |
C13—C14—C15—C10 | 0.3 (3) | C29—C28—C33—C32 | −2.2 (3) |
N2—C10—C15—C14 | 179.29 (17) | C17—N5—C18—O8 | −0.9 (4) |
C11—C10—C15—C14 | 0.0 (3) | C16—N5—C18—O8 | −175.0 (2) |
C27—N6—N7—C28 | −179.99 (17) | C34—N10—C36—O16 | −0.5 (3) |
C25—O9—C20—C19 | −21.7 (2) | C35—N10—C36—O16 | 179.7 (2) |
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2···O16 | 0.82 | 1.89 | 2.610 (2) | 145 |
N2—H2A···O4 | 0.86 | 2.05 | 2.637 (2) | 125 |
N2—H2A···O17i | 0.86 | 2.40 | 3.1141 (19) | 140 |
O10—H10···O8 | 0.82 | 1.89 | 2.604 (2) | 145 |
O10—H10···O11 | 0.82 | 2.27 | 2.7030 (17) | 113 |
N7—H7···O12 | 0.86 | 2.06 | 2.642 (2) | 125 |
N7—H7···O17 | 0.86 | 2.39 | 3.118 (2) | 143 |
O17—H1A···O9ii | 0.84 | 2.22 | 2.9936 (16) | 153 |
O17—H1A···O10ii | 0.84 | 2.42 | 3.1042 (17) | 139 |
O17—H1C···O1 | 0.84 | 2.34 | 3.0790 (19) | 147 |
O17—H1C···O2 | 0.84 | 2.44 | 3.1811 (18) | 147 |
Symmetry codes: (i) −x+2, −y+1, −z; (ii) −x+3, −y, −z+1. |
Experimental details
Crystal data | |
Chemical formula | 2C15H14N4O7·2C3H7NO·H2O |
Mr | 888.81 |
Crystal system, space group | Triclinic, P1 |
Temperature (K) | 293 |
a, b, c (Å) | 12.208 (2), 13.931 (2), 14.537 (2) |
α, β, γ (°) | 62.405 (16), 74.412 (15), 72.171 (16) |
V (Å3) | 2062.1 (6) |
Z | 2 |
Radiation type | Mo Kα |
µ (mm−1) | 0.12 |
Crystal size (mm) | 0.20 × 0.18 × 0.17 |
Data collection | |
Diffractometer | Bruker SMART CCD area detector diffractometer |
Absorption correction | Multi-scan SADABS(Bruker, 1998) |
Tmin, Tmax | 0.975, 0.978 |
No. of measured, independent and observed [I > 2σ(I)] reflections | 15349, 8436, 3010 |
Rint | 0.028 |
(sin θ/λ)max (Å−1) | 0.625 |
Refinement | |
R[F2 > 2σ(F2)], wR(F2), S | 0.035, 0.071, 0.65 |
No. of reflections | 8417 |
No. of parameters | 578 |
H-atom treatment | H-atom parameters constrained |
Δρmax, Δρmin (e Å−3) | 0.14, −0.15 |
Computer programs: SMART (Bruker, 1998), SAINT (Bruker, 1998), SHELXL97 (Sheldrick, 2008), ORTEPIII (Burnett & Johnson, 1996); ORTEP-3 for Windows(Farrugia, 1997) and XP in SHELXTL (Sheldrick, 2008).
D—H···A | D—H | H···A | D···A | D—H···A |
O2—H2···O16 | 0.82 | 1.89 | 2.610 (2) | 145.2 |
N2—H2A···O4 | 0.86 | 2.05 | 2.637 (2) | 125.1 |
N2—H2A···O17i | 0.86 | 2.40 | 3.1141 (19) | 140.1 |
O10—H10···O8 | 0.82 | 1.89 | 2.604 (2) | 144.6 |
O10—H10···O11 | 0.82 | 2.27 | 2.7030 (17) | 113.3 |
N7—H7···O12 | 0.86 | 2.06 | 2.642 (2) | 124.7 |
N7—H7···O17 | 0.86 | 2.39 | 3.118 (2) | 142.7 |
O17—H1A···O9ii | 0.84 | 2.22 | 2.9936 (16) | 152.8 |
O17—H1A···O10ii | 0.84 | 2.42 | 3.1042 (17) | 139.2 |
O17—H1C···O1 | 0.84 | 2.34 | 3.0790 (19) | 147.2 |
O17—H1C···O2 | 0.84 | 2.44 | 3.1811 (18) | 146.7 |
Symmetry codes: (i) −x+2, −y+1, −z; (ii) −x+3, −y, −z+1. |
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2,4-Dinitrophenylhydrazine is a reagent which is widely used for condensation with aldehydes and ketones. Several phenylhydrazone derivatives have been shown to be potentially DNA-damaging and are mutagenic agents (Okabe et al. 1993). Structural information for phenylhydrazone derivatives is useful in studying their coordination properties. As part of our work, we have synthesized the title compound and report the crystal structure.
The asymmetric unit of the title compound, C36H44N10O17, is built up from two independent but roughly identical 4-hydroxy-3,5-dimethoxybenzaldehyde 2,4-dinitrophenylhydrazone, two dimethylformamide and one water molecules (Fig. 1). The hydrazone molecules are almost planar with the two benzene rings slightly twisted to each other by a dihedral angle of 6.04 (11)° and 7.75 (11)° respectivey. Bond lengths and bond angles agree with those of other dinitrophenylhydrazone derivatives(Ohba,1996; Baughman et al., 2004; Kuleshova et al., 2003; Szczesna & Urbanczyk-Lipkowska, 2002; Zhen & Han, 2005).
The Schiff base and the DMF molecules are linked through intermolecular O—H···O hydrogen bonds. There are intramolecular N—H···O hydrogen bond within the hydrazone molecules. Further O-H···O involving the water molecules help to stabilize the packing (Table 1, Fig. 2).