Abstract
C13H14MnN2O8, triclinic,
The molecular structure is shown in the figure. Table 1 contains the crystallographic data. The list of the atoms including atomic coordinates and displacement parameters can be found in the cif-file attached to this article.

Data collection and handling.
| Crystal: | Clear light colourless block |
| Size: | 0.15 × 0.12 × 0.11 mm |
| Wavelength: μ: |
Mo Kα radiation (0.71073 Å) 1.00 mm−1 |
| Diffractometer, scan mode: θmax, completeness: |
Bruker APEX-II, φ and ω scans 25.0°, 99 % |
| N(hkl)measured, N(hkl)unique, Rint: | 3515, 2441, 0.038 |
| Criterion for Iobs, N(hkl)gt: | Iobs > 2 σ(Iobs), 1829 |
| N(param)refined: | 226 |
| Programs: | Bruker, 1 Olex2, 2 SHELX 3 , 4 |
1 Source of material
The mixture of manganese nitrate hexahydrate 28.7 mg (0.1 mmol), 1-(3-carboxyphenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylic acid 27.4 mg (0.1 mmol), NaOH 4 mg (0.1 mmol) and ethyl alcohol (10 mL) were placed in the autoclave lined with PTFE and heated at 110 °C for 48 h, then cooled up to room temperature over 24 h. Viridescent block crystals were collected after cooling to room temperature.
2 Experimental details
Using Olex2, 2 the structure was solved with the ShelXT 3 structure solution program and refined with the ShelXL 4 refinement package.
3 Comment
Pyridazine derivatives constitute a particularly significant class of biologically active heterocycles. These compounds have garnered considerable attention as ligands due to their remarkable structural and synthetic versatility, precise tunability, and selectivity towards transition metal atoms. 5 , 6 Their diverse therapeutic potential, encompassing anticancer, 7 , 8 antidiabetic, 9 , 10 and antibiotic activities, 11 has been extensively documented. Leveraging this understanding, we have achieved the successful synthesis of a novel pyridazine carboxyl derivative, achieved by incorporating a benzene ring adorned with carboxyl groups onto the pyridazine ring. Simultaneously, numerous syntheses of transition metal complexes utilizing this derivative have been documented. 12 , 13 , 14 , 15
The single-crystal X-ray diffraction analysis reveals that the title complex belongs to the triclinic system,
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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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Conflict of interest: The authors declare no conflicts of interest regarding this article.
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Research funding: National Natural Science Foundation of China (82460963) and Project of the Education Department of Xizang (QCZ2016-42).
References
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© 2025 the author(s), published by De Gruyter, Berlin/Boston
This work is licensed under the Creative Commons Attribution 4.0 International License.
Articles in the same Issue
- Frontmatter
- New Crystal Structures
- Crystal structure of (S)-N-(10-((2,2-dimethoxyethyl)amino)-1,2,3-trimethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl)acetamide, C25H32N2O7
- The crystal structure of 6,6′-difluoro-3,3′-dimethyl-5,5′-di(10H-phenoxazin-10-yl)- [1,1′-biphenyl]-2,2′-dicarbonitrile, C40H24F2N4O2
- Crystal structure of poly[(di-ethylenediamine-κ2N,N′)cadmium(II) tetradedocyloxidohexavanadate] (V4+/V5+ = 2/1), C4H16CdN4O14V6
- The crystal structure of poly[bis(dimethylformamide-κ1N)-(μ4-2′,3,3″,5′-tetrakis(trifluoromethyl)-[1,1′:4′,1″-terphenyl]-4,4″-dicarboxylato-κ4 O,O′: O″,O‴)dicadmium(II)], C27H15CdF12NO5
- Crystal structure of bis(μ2-ferrocenylcarboxylato-O,O′)-(μ3-oxido-κ3O:O:O)-bis(μ2-salicyladoximato-κ2N,O,O′)-(μ2-isopropoxo)-tris(isopropoxy-κ1O trititanium(IV)), C48H55N2O13Fe2Ti3
- Crystal structure of 3-(diethylamino)-7,9,11-trimethyl-8-phenyl-6H,13H-12λ4,13λ4-chromeno[3′,4′:4,5]pyrrolo[1,2-c]pyrrolo[2,1-f][1,3,2]diazaborinin-6-one, C28H26BF2N3O2
- The crystal structure of catena-poly[aqua-μ2-2-nitro-benzene-1,3-dicarboxylato-κ2O,O′)-(1,10-phenanthroline-κ2N,N′)-zinc(II)], C20H13N3O7Zn
- Crystal structure of poly[diaqua-{μ3-1-(3-carboxylatophenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylato-κ4O,O′:O′′:O′′′′}manganese(II)] hydrate
- Crystal structure of N′-((1-hydroxycyclohexyl)(phenyl)methyl)-2-methoxybenzohydrazide methanol solvate, C22H28N2O4
- The cocrystal of caffeic acid — progesterone — water (1/2/1), C51H70O9
- Crystal structure of (((oxido(quinolin-6-yl)methoxy)triphenyl-λ5-stibanyl)oxy)(quinolin-7-yl)methanolate
- Crystal structure of [(E)-6′-(diethylamino)-2-(2-(((E)-pyren-1-ylmethylene)amino)ethyl)-4′-(2-((E)-1,3,3-trimethylindolin-2-ylidene)ethylidene)-1′,2′,3′,4′-tetrahydrospiro[isoindoline-1,9′-xanthen]-3-one]-methanol, solvate C57H56N4O3
- The crystal structure of 1-(acridin-9-yl)pyrrolidine-2,5-dione, C17H22N2O2
- Crystal structure of N-(4-acetylphenyl)-2-(6-methoxynaphthalen-2-yl)propanamide, C22H21NO3
- The crystal structure of 5,10,15,20-tetrakis(4-(1H-1,2,4-triazol-1-yl)phenyl)porphyrin, C52H34N16
- Crystal structure of hexacarbonyl-μ2-[phenylmethanedithiolato-κ4S:S,S′:S′]diiron (Fe–Fe) C13H6Fe2O6S2
- Crystal structure of diiodo-bis(1-((2-propyl-1H-benzo[d]imidazol-1-yl)methyl)-1H-benzo[d][1,2,3]triazole-κ1N)cadmium(II), C34H34CdI2N10
- Crystal structure of (E)-(3-(3-bromophenyl)acryloyl)ferrocene, C19H15BrFeO
- Crystal structure of catena-poly(μ2-6-chloropyridine-2-carboxylato-κ3N,O:O′)(6-chloropyridine-2-carboxylato-κ2O,N)copper(II), C12H6Cl2N2O4Cu
- Crystal structure of poly[diaqua-μ 3-(5-(3,5-dicarboxy-2,4,6-trimethylbenzyl)-2,4,6-trimethylisophthalato)-κ 6O,O′:O″,O‴:O‴′,O‴″) terbium(III)-monohydrate], C23H28TbO12
- Crystal structure of (E)-2-(((5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene)amino)-3′,6′-dihydroxyspiro[isoindoline-1,9′-xanthen]-3-one – ethanol (1/2), C35H33ClN4O6
- The crystal structure of 3-(5-amino-3-phenylisoxazol-4-yl)-4-chloro-3-hydroxyindolin-2-one, C17H12ClN3O3
- The crystal structure of dimethylammonium 4-[2-(4-fluorophenyl)-4, 5-diphenyl-1H-imidazol-1-yl]benzenesulfonate, C29H26FN3O3S
- Crystal structure of (R)-2-ammonio-3-((5-carboxypentyl)thio)propanoate
- Crystal structure of 4-cyclohexyl-5-(thiophen-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione, C12H15N3S2
- The crystal structure of 4,6-bis(dimethylamino)-2-fluoroisophthalonitrile, C12H13FN4
- Hydrogen bonding in the crystal structure of nicotin-1,1′-dium tetrabromidomanganate(II)
- The crystal structure of bis(2-bromobenzyl)(2-((2-oxybenzylidene)amino)-4-methylpentanoato-κ3N, O,O′)tin(IV), C27H27Br2NO3Sn
- Crystal structure of (E)-(3-(p-tolyl)acryloyl)ferrocene, C20H18FeO
- Crystal structure of (E)-7-fluoro-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)methylene)-3,4-dihydronaphthalen-1(2H)-one, C21H22FN3O
- Crystal structure of (E)-7-methoxy-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)methylene)-3,4-dihydronaphthalen-1(2H)-one, C22H25N3O2
- The crystal structure of poly(bis(μ2-1,3,5-tri(1H-imidazol-1-yl)benzene-κ2N:N′)-(μ2-2,3,5,6-tetrafluoroterephthalato-κ2O:O′)-manganese(II), C38H24F4N12O4Mn
- Crystal structure of (3,4-dimethoxybenzyl)triphenylphosphonium bromide ethanol solvate, C29H32BrO3P
- Crystal structure of tetraethylammonium hydrogencarbonate – (diaminomethylene)thiourea – water (2/1/3)
- Crystal structure of N, N-Dimethyl-N′-tosylformimidamide, C10H14N2O2S
- The crystal structure of ethyl 2-methyl-5-oxo-4-(2-methoxyphenyl)-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate, C20H23N2O4
- Crystal structure of bis(μ2-1,5-bis[(E)-1-(2-hydroxyphenyl)ethylidene] thiocarbonohydrazide)-bis(dimethylformamide)-dizinc(II) dimethylformamide solvate, C40H46N10O6S2Zn2⋅C3H7NO
- Crystal structure of azido-κ1N{hydridotris(3-tert-butyl-5-methylpyrazol-1-yl)borato-κ3N,N′,N″}copper(II), C24H40BCuN9
- The crystal structure of fac-tricarbonyl(1,10-phenanthroline-κ2N,N′)-(azido-κ1N)rhenium(I), C15H8N5O3Re
- Crystal structure of 4-((triphenylphosphonio)methyl)pyridin-1-ium tetrachloridozincate(II), C24H22Cl4NPZn
Articles in the same Issue
- Frontmatter
- New Crystal Structures
- Crystal structure of (S)-N-(10-((2,2-dimethoxyethyl)amino)-1,2,3-trimethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl)acetamide, C25H32N2O7
- The crystal structure of 6,6′-difluoro-3,3′-dimethyl-5,5′-di(10H-phenoxazin-10-yl)- [1,1′-biphenyl]-2,2′-dicarbonitrile, C40H24F2N4O2
- Crystal structure of poly[(di-ethylenediamine-κ2N,N′)cadmium(II) tetradedocyloxidohexavanadate] (V4+/V5+ = 2/1), C4H16CdN4O14V6
- The crystal structure of poly[bis(dimethylformamide-κ1N)-(μ4-2′,3,3″,5′-tetrakis(trifluoromethyl)-[1,1′:4′,1″-terphenyl]-4,4″-dicarboxylato-κ4 O,O′: O″,O‴)dicadmium(II)], C27H15CdF12NO5
- Crystal structure of bis(μ2-ferrocenylcarboxylato-O,O′)-(μ3-oxido-κ3O:O:O)-bis(μ2-salicyladoximato-κ2N,O,O′)-(μ2-isopropoxo)-tris(isopropoxy-κ1O trititanium(IV)), C48H55N2O13Fe2Ti3
- Crystal structure of 3-(diethylamino)-7,9,11-trimethyl-8-phenyl-6H,13H-12λ4,13λ4-chromeno[3′,4′:4,5]pyrrolo[1,2-c]pyrrolo[2,1-f][1,3,2]diazaborinin-6-one, C28H26BF2N3O2
- The crystal structure of catena-poly[aqua-μ2-2-nitro-benzene-1,3-dicarboxylato-κ2O,O′)-(1,10-phenanthroline-κ2N,N′)-zinc(II)], C20H13N3O7Zn
- Crystal structure of poly[diaqua-{μ3-1-(3-carboxylatophenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylato-κ4O,O′:O′′:O′′′′}manganese(II)] hydrate
- Crystal structure of N′-((1-hydroxycyclohexyl)(phenyl)methyl)-2-methoxybenzohydrazide methanol solvate, C22H28N2O4
- The cocrystal of caffeic acid — progesterone — water (1/2/1), C51H70O9
- Crystal structure of (((oxido(quinolin-6-yl)methoxy)triphenyl-λ5-stibanyl)oxy)(quinolin-7-yl)methanolate
- Crystal structure of [(E)-6′-(diethylamino)-2-(2-(((E)-pyren-1-ylmethylene)amino)ethyl)-4′-(2-((E)-1,3,3-trimethylindolin-2-ylidene)ethylidene)-1′,2′,3′,4′-tetrahydrospiro[isoindoline-1,9′-xanthen]-3-one]-methanol, solvate C57H56N4O3
- The crystal structure of 1-(acridin-9-yl)pyrrolidine-2,5-dione, C17H22N2O2
- Crystal structure of N-(4-acetylphenyl)-2-(6-methoxynaphthalen-2-yl)propanamide, C22H21NO3
- The crystal structure of 5,10,15,20-tetrakis(4-(1H-1,2,4-triazol-1-yl)phenyl)porphyrin, C52H34N16
- Crystal structure of hexacarbonyl-μ2-[phenylmethanedithiolato-κ4S:S,S′:S′]diiron (Fe–Fe) C13H6Fe2O6S2
- Crystal structure of diiodo-bis(1-((2-propyl-1H-benzo[d]imidazol-1-yl)methyl)-1H-benzo[d][1,2,3]triazole-κ1N)cadmium(II), C34H34CdI2N10
- Crystal structure of (E)-(3-(3-bromophenyl)acryloyl)ferrocene, C19H15BrFeO
- Crystal structure of catena-poly(μ2-6-chloropyridine-2-carboxylato-κ3N,O:O′)(6-chloropyridine-2-carboxylato-κ2O,N)copper(II), C12H6Cl2N2O4Cu
- Crystal structure of poly[diaqua-μ 3-(5-(3,5-dicarboxy-2,4,6-trimethylbenzyl)-2,4,6-trimethylisophthalato)-κ 6O,O′:O″,O‴:O‴′,O‴″) terbium(III)-monohydrate], C23H28TbO12
- Crystal structure of (E)-2-(((5-chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylene)amino)-3′,6′-dihydroxyspiro[isoindoline-1,9′-xanthen]-3-one – ethanol (1/2), C35H33ClN4O6
- The crystal structure of 3-(5-amino-3-phenylisoxazol-4-yl)-4-chloro-3-hydroxyindolin-2-one, C17H12ClN3O3
- The crystal structure of dimethylammonium 4-[2-(4-fluorophenyl)-4, 5-diphenyl-1H-imidazol-1-yl]benzenesulfonate, C29H26FN3O3S
- Crystal structure of (R)-2-ammonio-3-((5-carboxypentyl)thio)propanoate
- Crystal structure of 4-cyclohexyl-5-(thiophen-2-yl)-2,4-dihydro-3H-1,2,4-triazole-3-thione, C12H15N3S2
- The crystal structure of 4,6-bis(dimethylamino)-2-fluoroisophthalonitrile, C12H13FN4
- Hydrogen bonding in the crystal structure of nicotin-1,1′-dium tetrabromidomanganate(II)
- The crystal structure of bis(2-bromobenzyl)(2-((2-oxybenzylidene)amino)-4-methylpentanoato-κ3N, O,O′)tin(IV), C27H27Br2NO3Sn
- Crystal structure of (E)-(3-(p-tolyl)acryloyl)ferrocene, C20H18FeO
- Crystal structure of (E)-7-fluoro-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)methylene)-3,4-dihydronaphthalen-1(2H)-one, C21H22FN3O
- Crystal structure of (E)-7-methoxy-2-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)methylene)-3,4-dihydronaphthalen-1(2H)-one, C22H25N3O2
- The crystal structure of poly(bis(μ2-1,3,5-tri(1H-imidazol-1-yl)benzene-κ2N:N′)-(μ2-2,3,5,6-tetrafluoroterephthalato-κ2O:O′)-manganese(II), C38H24F4N12O4Mn
- Crystal structure of (3,4-dimethoxybenzyl)triphenylphosphonium bromide ethanol solvate, C29H32BrO3P
- Crystal structure of tetraethylammonium hydrogencarbonate – (diaminomethylene)thiourea – water (2/1/3)
- Crystal structure of N, N-Dimethyl-N′-tosylformimidamide, C10H14N2O2S
- The crystal structure of ethyl 2-methyl-5-oxo-4-(2-methoxyphenyl)-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate, C20H23N2O4
- Crystal structure of bis(μ2-1,5-bis[(E)-1-(2-hydroxyphenyl)ethylidene] thiocarbonohydrazide)-bis(dimethylformamide)-dizinc(II) dimethylformamide solvate, C40H46N10O6S2Zn2⋅C3H7NO
- Crystal structure of azido-κ1N{hydridotris(3-tert-butyl-5-methylpyrazol-1-yl)borato-κ3N,N′,N″}copper(II), C24H40BCuN9
- The crystal structure of fac-tricarbonyl(1,10-phenanthroline-κ2N,N′)-(azido-κ1N)rhenium(I), C15H8N5O3Re
- Crystal structure of 4-((triphenylphosphonio)methyl)pyridin-1-ium tetrachloridozincate(II), C24H22Cl4NPZn