Abstract
C18H24N6O6Zn, monoclinic, P21/n (no. 14), a = 10.1669(6) Å, b = 8.0831(4) Å, c = 13.1012(8) Å, β =
The molecular structure is shown in the figure. Table 1 contains crystallographic data and Table 2 contains the list of the atoms including atomic coordinates and displacement parameters.

Data collection and handling.
Crystal: | Colorless block |
Size: | 0.35 × 0.30 × 0.28 mm |
Wavelength: | Mo Kα radiation (0.71073 Å) |
μ: | 1.19 mm−1 |
Diffractometer, scan mode: | SuperNova, ω |
θ max, completeness: | 29.3°, >99% |
N(hkl)measured , N(hkl)unique, R int: | 10,917, 2615, 0.057 |
Criterion for I obs, N(hkl)gt: | I obs > 2σ(I obs), 2018 |
N(param)refined: | 144 |
Programs: | CrysAlisPRO [1], SHELX [2, 3], Olex2 [4] |
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).
Atom | x | y | z | U iso*/U eq |
---|---|---|---|---|
Zn1 | 0.5000 | 0.5000 | 0.5000 | 0.03119 (14) |
O1 | 0.59731 (15) | 0.71578 (18) | 0.53341 (13) | 0.0410 (4) |
O2 | 0.78373 (16) | 0.8174 (2) | 0.59660 (15) | 0.0544 (5) |
O3 | 0.38601 (19) | 0.5243 (2) | 0.64224 (14) | 0.0505 (5) |
N1 | 0.66619 (16) | 0.4047 (2) | 0.57972 (13) | 0.0269 (4) |
N2 | 0.61150 (18) | 0.1261 (2) | 0.58067 (16) | 0.0427 (5) |
H2A | 0.5373 | 0.1500 | 0.5515 | 0.051* |
H2B | 0.6302 | 0.0249 | 0.5952 | 0.051* |
N3 | 0.3426 (2) | 0.4669 (3) | 0.80691 (15) | 0.0398 (5) |
C1 | 0.7099 (2) | 0.7014 (3) | 0.57610 (18) | 0.0338 (5) |
C10 | 0.7527 (2) | 0.5265 (2) | 0.60381 (18) | 0.0316 (5) |
C3 | 0.8707 (3) | 0.4969 (3) | 0.6517 (2) | 0.0506 (7) |
H3 | 0.9278 | 0.5834 | 0.6679 | 0.061* |
C4 | 0.9040 (3) | 0.3336 (3) | 0.6761 (2) | 0.0561 (7) |
H4 | 0.9844 | 0.3100 | 0.7081 | 0.067* |
C5 | 0.8185 (2) | 0.2093 (3) | 0.65260 (18) | 0.0415 (6) |
H5 | 0.8394 | 0.1004 | 0.6689 | 0.050* |
C6 | 0.6986 (2) | 0.2474 (2) | 0.60356 (16) | 0.0288 (5) |
C7 | 0.4155 (2) | 0.4611 (3) | 0.72486 (18) | 0.0359 (5) |
H7 | 0.4952 | 0.4050 | 0.7300 | 0.043* |
C8 | 0.3832 (3) | 0.3865 (4) | 0.90174 (19) | 0.0594 (8) |
H8A | 0.3292 | 0.2911 | 0.9126 | 0.089* |
H8B | 0.3737 | 0.4624 | 0.9575 | 0.089* |
H8C | 0.4736 | 0.3531 | 0.8977 | 0.089* |
C9 | 0.2155 (3) | 0.5467 (5) | 0.8054 (3) | 0.0887 (12) |
H9A | 0.2157 | 0.6352 | 0.8543 | 0.133* |
H9B | 0.1490 | 0.4676 | 0.8224 | 0.133* |
H9C | 0.1971 | 0.5904 | 0.7384 | 0.133* |
1 Source of material
All reagents were purchased and used without further purification. The title complex was synthesized solvothermally in a 25 mL Teflon-lined autoclave by heating a mixture of equal mole of 6-aminopyridine-2-carboxylic acid (13.8 mg, 0.1 mmol), Zn
2 Experimental details
Hydrogen atoms were placed in their geometrically idealized positions and constrained to ride on their parent atoms.
3 Comment
The selection of suitable organic ligands and joining metal centers are very important to obtain the desired metal complexes. Multidentate organic ligands containing N- and O-donors, for example, pyridine carboxylate including pyridine-2-carboxylic acid, nicotinic acid, isonicotinic acid, 3-hydroxy-2-carboxylic acid and 6-hydroxypyridine-2-carboxylic acid have been used for the syntheses of metal complexes [5], [6], [7], [8], [9]. From the point of view of structural chemistry, the 6-aminopyridine-2-carboxylic acid (HL) is an efficient ligand, which contains N and O coordination sites and exhibits rich coordination modes. In previous work, the ligand has been used to synthesize corresponding metal complexes and the ligand shows excellent chelating coordination ability [10], [11], [12], [13], [14].
The asymmetric unit consists of half of a Zn(II) ion located on a crystallographic inversion center and chelation L
− anion plus DMF. The central Zn(II) ion is six-coordinated in a distorted octahedral coordination geometry finished by two carboxylate oxygen atoms, two pyridyl nitrogen atoms from two L
− anions and two coordinated N,N-dimethylformamide molecules. In the complex, the Zn–O bonds distances are 2.0481(17) and 2.2241(19) Å, and the Zn–N bond distance is 2.1127(19) Å. The O–Zn–O angles range from to 89.81(8) and 180.0°, the O–Zn–N angles range from 80.02(7) to
Funding source: Luoyang Normal University
Award Identifier / Grant number: DT2100009147
Award Identifier / Grant number: RH2100009357
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: This work was supported by the grants from Luoyang Normal University (DT2100009147 and RH2100009357).
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
References
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© 2023 the author(s), published by De Gruyter, Berlin/Boston
This work is licensed under the Creative Commons Attribution 4.0 International License.
Artikel in diesem Heft
- Frontmatter
- New Crystal Structures
- Crystal structure of phenyl(3,3-dichloro-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one)methanone, C7H4Cl2N2O
- Crystal structure of poly[diaqua-bis(μ 2-1,4-diaminobutane-N:N′)cobalt(II)] dichloride, C8H28Cl2CoN4O2
- Synthesis and crystal structure of (4aR,7S)-7-hydroxy-7-isopropyl-1,1-dimethyldecahydro-2H,6H-8a,4a-(epoxymethano)phenanthren-12-one, C20H32O3
- The crystal structure of 1-(2-chlorobenzyl)-3-(3,5-dichlorophenyl)urea, C14H11Cl3N2O
- Crystal structure of tetrapropylammonium-1,3,5-thiadiazole-5-amido-2-carbamate – 1,2,4-thiadiazole-3,5-diamine – water (1/1/1), C17H37N9O3S2
- Tetrabutylammonium 1,3,5-thiadiazole-5-amido-2-carbamate—1,2,4-thiadiazole-3,5-diamine— water (1/1/1), C21H45N9O3S2
- The crystal structure of ((E)-2,4-dichloro-6-(((2-hydroxy-5-nitrophenyl)imino)methyl)phenolato-κ 3 N,O,O′)tris(pyridine-κN)manganese(II), C28H21Cl2MnN5O4
- The crystal structure of aqua-bis{2-bromo-6-((2-(2-phenylacetyl)hydrazineylidene)methyl)phenolato-κ3 N,O,O′}-dimethylformamide-κ1 O-erbium(III) chloride – dimethylformamide – water (1/2/1), C39H49N7O9Br2ClEr
- Crystal structure of (diaqua-bis(phenanthroline-K 2 N,N′)-tetrakis(m 2-3,4,5,6-tetrafluorophthalato-K 4 O,O:O′:O″;K 2 O:O′)dierbium (III) phenanthroline (1/2), C80H38Er2F16N8O18
- Crystal structure of (E)-7-methoxy-2-(4-methoxy-2-(trifluoromethyl)benzylidene)-3,4-dihydronaphthalen-1(2H)-one, C20H17F3O3
- The crystal structure of 4–(4,4,5,5–tetramethyl–1,3,2–dioxaborolan–2–yl)morpholine, C10H20BNO3
- The crystal structure of catena–poly[aqua(1-naphthoato-κ 2 O,O′)-(μ-1-naphthoato-κ 4 O:O,O′:O′)lead(II)], C22H16O5Pb
- The crystal structure of 1-(4-chlorophenyl)-3-cycloheptylurea, C14H19ClN2O
- The crystal structure of 4-(pyren-1-yl)butyl-4-nitrobenzoate, C27H21NO4
- Crystal structure of cyclo-(bis(µ2-3,3′-(1H-imidazole-3-ium-1,3-diyl)dipropionato-κ4 O,O′:O″,O″′)-dinitrato-κ2 O,O′-tetraoxido-diuranium(VI) C18H22N6O18U2
- The crystal structure of catena-[nitrato-κ 2 O,O′-(μ 3-3-iodobenzene-1,2-dicarboxylato-κ 4 O:O′:O″,O‴)-(2,2′:6′,2″-terpyridine-κ 3 N,N′,N″)lanthanum(III)], C23H14IN4O7La
- Redetermination of crystal structure of [bis(pyridin-2-ylmethyl)amine-κ 3 N,Nʹ,Nʺ]chloridopalladium(II) chloride monohydrate
- Crystal structure of catena-poly[triaqua-[bis(m2-4-(1H-1,2,4-triazol-1-yl)benzoato-k2O:O')-(4-(1H-1,2,4-triazol-1-yl)benzoato-k1O)-praseodymium (III) monohydrate], C27H26N9O10Pr
- Crystal structure of trans-diaqua-bis(methyl methylcarbamohydrazonothioato-κ2 N,N′) nickel(II) iodide semihydrate, C6H22N6O2NiS2I2·0.5H2O
- The crystal structure of 2-(2-fluoro-4-methyl-5-((2,2,2-trifluoroethyl)thio)phenyl)isoindolin-1-one, C17H13F4NOS
- The crystal structure of di-μ-1-naphthylacetato-κ 3 O,O′:O;κ 3 O:O,O′-bis[(1-naphthylacetato-κ 2 O,O′)(2,2′-bipyridine-κ 2 N,N′)lead(II)] monohydrate, C68H54N4O9Pb2
- Crystal structure of tetrapropylammonium guanidinium 4,4′-sulfonyldibenzoate monohydrate, C27H44N4O7S
- Crystal structure of bis(tetrapropylammonium) terephthalate – 1-(diaminomethylene)thiourea – water (1/2/4) C18H40N5O4S
- Crystal structure of (E)-7-fluoro-2-(4-morpholinobenzylidene)-3,4-dihydronaphthalen-1(2H)-one, C21H20FNO2
- The crystal structure of poly[diaqua-bis(μ 3-5-bromobenzene-1,3-dicarboxylato-κ 3 O,O,O′)-(μ 2-1,3-bis-(4-pyridyl)-propane-κ 2 N,N′)-dizinc(II))] – 5-bromobenzene-1,3-dicarboxylic acid [2/1], C37H29Br3N2O14Zn2
- The crystal structure of 2-bromo-1,3-phenylene bis(4-methylbenzenesulfonate), C20H17BrO6S2
- Crystal structure of europium dichromium icosaaluminum, EuCr2Al20
- The crystal structure of N′1,N′3-di((E)-benzylidene) isophthalohydrazide dihydrate, C 22 H 22 N 4 O 4
- Crystal structure of 7α,11α-dihydroxy-15-oxo-ent-kauran-16-en-19,6β-olide, C20H26O5
- Crystal structure of 4-chloro-N′-[(1E)-pyridin-3-ylmethylidene]benzohydrazide, C13H10ClN3O
- The crystal structure of (Z)-3-(1-(2-((E)-4-isopropylbenzylidene)hydrazinyl)ethylidene) chroman-2,4-dione, C21H20N2O3
- Crystal structure of E-7-fluoro-2-(2-(trifluoromethyl)benzylidene)-3,4-dihydronaphthalen-1(2H)-one, C18H12F4O
- Crystal structure of bis(6-aminopyridine-2-carboxylato–k2O,N)-bis(N,N-dimethylformamide-k1 O)zinc(II), C18H24N6O6Zn
- Crystal structure of 5-(adamantan-1-yl)-3-[(4-{[2-(trifluoromethyl)phenyl]-methyl}piperazin-1-yl)methyl]-1,3,4-oxadiazole-2(3H)-thione, C25H31F3N4OS
- Crystal structure of tetrapropylammonium bicarbonate–1-(diaminomethylene)thiourea – water (2/2/1), C30H72N10O7S2
- Crystal structure of tris(2,2′-bipyridine-κ2 N,N′)iron(II) triiodide – dichloromethane (2/1), C61H50Cl2Fe2I12N12
- Crystal structure of 2-amino-3-[2-(1,3,3-trimethyl-1,3-dihydro-indol-2-ylidene)-ethylideneamino]-but-2-enedinitrile, C17H17N5
- The crystal structure of 1-(2-chlorophenyl)-3-cycloheptylurea, C14H19ClN2O
- Crystal structure of potassium bis(pentaselenido-κ 2 Se 1,Se 5)palladate(II), K2[Pd(Se5)2]
- The crystal structure of 5,10-bis(2-methoxyethyl)-5,10-dihydro-[1,2,3,4]tetrathiocino[5,6-b:8, 7-b′]diindole, C22H22N2O2S4
- The crystal structure of 4-(4-iodophenyl)-5H-1,2,3-dithiazole-5-thione, C8H4INS3
- Crystal structure of bis{μ2-(4-acetyl-phenoxy)acetato-κ2 O:O′}-bis{μ2-(4-acetyl-phenoxy)acetato-κ3 O,O′:O)- bis{(4-acetyl-phenoxy)acetato-κ2 O,O′}-bis(phenanthrolin-κ2 N,N′)didysprosium(III) tetrahydrate, C84H78N4O28Dy2
- Crystal structure of Eu2Pd3.37(1)Zn13.63(1)
- Crystal structure of 2-methoxy-4-(methoxy-carbonyl)phenyl 2-chloro-4-fluorobenzoate, C16H12ClFO5
- Crystal structure of catena-poly[bis(μ2-dicyanamide-κ2 N:N′)-bis(4-vinylpyridine-κN)-copper(II)], C18H14CuN8
- The crystal structure of iguratimod-dimethylformamide (1/1), C17H14N2O6S·C3H7NO
- Synthesis and crystal structure of 1-((3R,10S,13S,17S)-10,13-dimethyl-3-(m-tolylamino)hexadecahydro-1H-cyclopenta[α]phenanthren-17-yl)ethan-1-one, C28H41NO
- The crystal structure of diaqua-bis(4-bromo-2-formylphenoxy)zinc(II), C14H12Br2O6Zn
- The crystal structure of tetra(1-ethylimidazole-κ 1 N)-[μ 4-imidazole-4,5-dicarboxylato-κ 4 O, N, O′, N′]-trioxido-divanadium, C25H33N10O7V2
- The crystal structure of (E)-N′-(1-(4-fluorophenyl)propylidene)-2-hydroxybenzohydrazide, C16H15FN2O2
Artikel in diesem Heft
- Frontmatter
- New Crystal Structures
- Crystal structure of phenyl(3,3-dichloro-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one)methanone, C7H4Cl2N2O
- Crystal structure of poly[diaqua-bis(μ 2-1,4-diaminobutane-N:N′)cobalt(II)] dichloride, C8H28Cl2CoN4O2
- Synthesis and crystal structure of (4aR,7S)-7-hydroxy-7-isopropyl-1,1-dimethyldecahydro-2H,6H-8a,4a-(epoxymethano)phenanthren-12-one, C20H32O3
- The crystal structure of 1-(2-chlorobenzyl)-3-(3,5-dichlorophenyl)urea, C14H11Cl3N2O
- Crystal structure of tetrapropylammonium-1,3,5-thiadiazole-5-amido-2-carbamate – 1,2,4-thiadiazole-3,5-diamine – water (1/1/1), C17H37N9O3S2
- Tetrabutylammonium 1,3,5-thiadiazole-5-amido-2-carbamate—1,2,4-thiadiazole-3,5-diamine— water (1/1/1), C21H45N9O3S2
- The crystal structure of ((E)-2,4-dichloro-6-(((2-hydroxy-5-nitrophenyl)imino)methyl)phenolato-κ 3 N,O,O′)tris(pyridine-κN)manganese(II), C28H21Cl2MnN5O4
- The crystal structure of aqua-bis{2-bromo-6-((2-(2-phenylacetyl)hydrazineylidene)methyl)phenolato-κ3 N,O,O′}-dimethylformamide-κ1 O-erbium(III) chloride – dimethylformamide – water (1/2/1), C39H49N7O9Br2ClEr
- Crystal structure of (diaqua-bis(phenanthroline-K 2 N,N′)-tetrakis(m 2-3,4,5,6-tetrafluorophthalato-K 4 O,O:O′:O″;K 2 O:O′)dierbium (III) phenanthroline (1/2), C80H38Er2F16N8O18
- Crystal structure of (E)-7-methoxy-2-(4-methoxy-2-(trifluoromethyl)benzylidene)-3,4-dihydronaphthalen-1(2H)-one, C20H17F3O3
- The crystal structure of 4–(4,4,5,5–tetramethyl–1,3,2–dioxaborolan–2–yl)morpholine, C10H20BNO3
- The crystal structure of catena–poly[aqua(1-naphthoato-κ 2 O,O′)-(μ-1-naphthoato-κ 4 O:O,O′:O′)lead(II)], C22H16O5Pb
- The crystal structure of 1-(4-chlorophenyl)-3-cycloheptylurea, C14H19ClN2O
- The crystal structure of 4-(pyren-1-yl)butyl-4-nitrobenzoate, C27H21NO4
- Crystal structure of cyclo-(bis(µ2-3,3′-(1H-imidazole-3-ium-1,3-diyl)dipropionato-κ4 O,O′:O″,O″′)-dinitrato-κ2 O,O′-tetraoxido-diuranium(VI) C18H22N6O18U2
- The crystal structure of catena-[nitrato-κ 2 O,O′-(μ 3-3-iodobenzene-1,2-dicarboxylato-κ 4 O:O′:O″,O‴)-(2,2′:6′,2″-terpyridine-κ 3 N,N′,N″)lanthanum(III)], C23H14IN4O7La
- Redetermination of crystal structure of [bis(pyridin-2-ylmethyl)amine-κ 3 N,Nʹ,Nʺ]chloridopalladium(II) chloride monohydrate
- Crystal structure of catena-poly[triaqua-[bis(m2-4-(1H-1,2,4-triazol-1-yl)benzoato-k2O:O')-(4-(1H-1,2,4-triazol-1-yl)benzoato-k1O)-praseodymium (III) monohydrate], C27H26N9O10Pr
- Crystal structure of trans-diaqua-bis(methyl methylcarbamohydrazonothioato-κ2 N,N′) nickel(II) iodide semihydrate, C6H22N6O2NiS2I2·0.5H2O
- The crystal structure of 2-(2-fluoro-4-methyl-5-((2,2,2-trifluoroethyl)thio)phenyl)isoindolin-1-one, C17H13F4NOS
- The crystal structure of di-μ-1-naphthylacetato-κ 3 O,O′:O;κ 3 O:O,O′-bis[(1-naphthylacetato-κ 2 O,O′)(2,2′-bipyridine-κ 2 N,N′)lead(II)] monohydrate, C68H54N4O9Pb2
- Crystal structure of tetrapropylammonium guanidinium 4,4′-sulfonyldibenzoate monohydrate, C27H44N4O7S
- Crystal structure of bis(tetrapropylammonium) terephthalate – 1-(diaminomethylene)thiourea – water (1/2/4) C18H40N5O4S
- Crystal structure of (E)-7-fluoro-2-(4-morpholinobenzylidene)-3,4-dihydronaphthalen-1(2H)-one, C21H20FNO2
- The crystal structure of poly[diaqua-bis(μ 3-5-bromobenzene-1,3-dicarboxylato-κ 3 O,O,O′)-(μ 2-1,3-bis-(4-pyridyl)-propane-κ 2 N,N′)-dizinc(II))] – 5-bromobenzene-1,3-dicarboxylic acid [2/1], C37H29Br3N2O14Zn2
- The crystal structure of 2-bromo-1,3-phenylene bis(4-methylbenzenesulfonate), C20H17BrO6S2
- Crystal structure of europium dichromium icosaaluminum, EuCr2Al20
- The crystal structure of N′1,N′3-di((E)-benzylidene) isophthalohydrazide dihydrate, C 22 H 22 N 4 O 4
- Crystal structure of 7α,11α-dihydroxy-15-oxo-ent-kauran-16-en-19,6β-olide, C20H26O5
- Crystal structure of 4-chloro-N′-[(1E)-pyridin-3-ylmethylidene]benzohydrazide, C13H10ClN3O
- The crystal structure of (Z)-3-(1-(2-((E)-4-isopropylbenzylidene)hydrazinyl)ethylidene) chroman-2,4-dione, C21H20N2O3
- Crystal structure of E-7-fluoro-2-(2-(trifluoromethyl)benzylidene)-3,4-dihydronaphthalen-1(2H)-one, C18H12F4O
- Crystal structure of bis(6-aminopyridine-2-carboxylato–k2O,N)-bis(N,N-dimethylformamide-k1 O)zinc(II), C18H24N6O6Zn
- Crystal structure of 5-(adamantan-1-yl)-3-[(4-{[2-(trifluoromethyl)phenyl]-methyl}piperazin-1-yl)methyl]-1,3,4-oxadiazole-2(3H)-thione, C25H31F3N4OS
- Crystal structure of tetrapropylammonium bicarbonate–1-(diaminomethylene)thiourea – water (2/2/1), C30H72N10O7S2
- Crystal structure of tris(2,2′-bipyridine-κ2 N,N′)iron(II) triiodide – dichloromethane (2/1), C61H50Cl2Fe2I12N12
- Crystal structure of 2-amino-3-[2-(1,3,3-trimethyl-1,3-dihydro-indol-2-ylidene)-ethylideneamino]-but-2-enedinitrile, C17H17N5
- The crystal structure of 1-(2-chlorophenyl)-3-cycloheptylurea, C14H19ClN2O
- Crystal structure of potassium bis(pentaselenido-κ 2 Se 1,Se 5)palladate(II), K2[Pd(Se5)2]
- The crystal structure of 5,10-bis(2-methoxyethyl)-5,10-dihydro-[1,2,3,4]tetrathiocino[5,6-b:8, 7-b′]diindole, C22H22N2O2S4
- The crystal structure of 4-(4-iodophenyl)-5H-1,2,3-dithiazole-5-thione, C8H4INS3
- Crystal structure of bis{μ2-(4-acetyl-phenoxy)acetato-κ2 O:O′}-bis{μ2-(4-acetyl-phenoxy)acetato-κ3 O,O′:O)- bis{(4-acetyl-phenoxy)acetato-κ2 O,O′}-bis(phenanthrolin-κ2 N,N′)didysprosium(III) tetrahydrate, C84H78N4O28Dy2
- Crystal structure of Eu2Pd3.37(1)Zn13.63(1)
- Crystal structure of 2-methoxy-4-(methoxy-carbonyl)phenyl 2-chloro-4-fluorobenzoate, C16H12ClFO5
- Crystal structure of catena-poly[bis(μ2-dicyanamide-κ2 N:N′)-bis(4-vinylpyridine-κN)-copper(II)], C18H14CuN8
- The crystal structure of iguratimod-dimethylformamide (1/1), C17H14N2O6S·C3H7NO
- Synthesis and crystal structure of 1-((3R,10S,13S,17S)-10,13-dimethyl-3-(m-tolylamino)hexadecahydro-1H-cyclopenta[α]phenanthren-17-yl)ethan-1-one, C28H41NO
- The crystal structure of diaqua-bis(4-bromo-2-formylphenoxy)zinc(II), C14H12Br2O6Zn
- The crystal structure of tetra(1-ethylimidazole-κ 1 N)-[μ 4-imidazole-4,5-dicarboxylato-κ 4 O, N, O′, N′]-trioxido-divanadium, C25H33N10O7V2
- The crystal structure of (E)-N′-(1-(4-fluorophenyl)propylidene)-2-hydroxybenzohydrazide, C16H15FN2O2