Startseite The crystal structure of diaqua-bis(pyrazolo[1,5-a]-pyrimidine-3-carboxylato-κ2 N,O)zinc(II), C14H12N6O6Zn
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The crystal structure of diaqua-bis(pyrazolo[1,5-a]-pyrimidine-3-carboxylato-κ2 N,O)zinc(II), C14H12N6O6Zn

  • Yang Kong ORCID logo EMAIL logo und Chang-Zhao Wang
Veröffentlicht/Copyright: 31. August 2022

Abstract

C14H12N6O6Zn, monoclinic, P21/n, a = 7.0347(6) Å, b = 12.8467(7) Å, c = 9.0017(6) Å, β = 112.525(9)°, V = 751.45 (10) Å3, Z = 2, Rgt (F) = 0.029, wRref (F 2) = 0.074, T = 293 K.

CCDC no.: 2190091

The crystal 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.

Table 1:

Data collection and handling.

Crystal: Block, colourless
Size 0.33 × 0.31 × 0.29 mm
Wavelength: Mo Kα radiation (0.71073 Å)
μ: 1.69 mm−1
Diffractometer, scan mode: SuperNova, ω-scans
θ max, completeness: 29.3°, >99%
N(hkl)measured, N(hkl)unique, R int: 7881, 1858, 0.025
Criterion for I obs, N(hkl)gt: I obs > 2 σ(I obs), 1614
N(param)refined: 125
Programs: CrysAlisPRO [1], SHELX [2, 3], OLEX2 [4]
Table 2:

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2).

x y z U iso∗/U eq
Zn1 0.5000 0.5000 0.5000 0.02399 (11)
O1 0.4595 (2) 0.38661 (10) 0.33097 (16) 0.0299 (3)
O2 0.4185 (2) 0.23201 (10) 0.21556 (15) 0.0304 (3)
O3 0.1787 (2) 0.54026 (11) 0.38789 (17) 0.0318 (3)
H3A 0.1118 0.4956 0.3119 0.048∗
H3B 0.1626 0.5992 0.3353 0.048∗
N1 0.4263 (3) 0.39225 (12) 0.65348 (18) 0.0237 (3)
N2 0.4139 (3) 0.21378 (12) 0.71741 (18) 0.0240 (3)
N3 0.4150 (3) 0.11670 (13) 0.6565 (2) 0.0311 (4)
C1 0.4348 (3) 0.28890 (14) 0.3313 (2) 0.0210 (4)
C2 0.4255 (3) 0.24077 (14) 0.4775 (2) 0.0217 (4)
C3 0.4218 (3) 0.13561 (15) 0.5132 (2) 0.0285 (4)
H3 0.4239 0.0830 0.4429 0.034∗
C4 0.4217 (3) 0.29054 (14) 0.6130 (2) 0.0204 (4)
C5 0.4144 (3) 0.41378 (16) 0.7931 (2) 0.0295 (4)
H5 0.4132 0.4833 0.8215 0.035∗
C6 0.4034 (3) 0.33743 (17) 0.9009 (2) 0.0309 (5)
H6 0.3953 0.3564 0.9979 0.037∗
C7 0.4049 (3) 0.23605 (16) 0.8619 (2) 0.0283 (4)
H7 0.4000 0.1835 0.9314 0.034∗

Source of material

All reagents and chemicals were purchased and used without further purification. Zn(NO3)2·6H2O (29.5 mg, 0.1 mmol) pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (16.3 mg, 0.1 mmol) and DMF/H2O (5 mL, 2.5:2.5, v/v) were placed in a 15 mL capped glass vial. The vial was then heated at 358 K for three days and cooled to room temperature at a rate of 5 °C/h. Colourless block crystals of the title complex were obtained.

Experimental details

Hydrogen atoms were placed in their geometrically idealized positions and constrained to ride on their parent atoms.

Discussion

Metal complexes constructed from metal centers and carboxylate-type ligands containing N-based heterocycles have developed rapidly owing to their applications in many areas [5], [6], [7], [8]. As a rigid organic ligand, pyrazolo-[1,5-a]pyrimidine-3-carboxylate bearing both O and N coordinated sites, has been applied to synthesize metal complexes. Also similar complexes have been synthesized [9, 10]. To further enrich the family of pyrazolo[1,5-a]pyrimidine-3-carboxylate-based metal complexes, the title complex was synthesized.

Single crystal X-ray structural analysis shows that the title complex crystallizes in the monoclinic space group P21/n with Z = 2. The asymmetric unit consists of half a Zn(II) cation, one fully deprotonated pyrazolo[1,5-a]pyrimidine-3-carboxylate anion and one coordinated water molecule. The central Zn(II) cation is six-coordinated to form a distorted octahedral geometry by two nitrogen atoms and two carboxylate O atoms from two pyrazolo-[1,5-a]pyrimidine-3-carboxylate ligands, and two O atoms from two coordinating water molecules. The Zn–O/N distances are within the normal ranges [11, 12]. The pyrazolo[1,5-a]pyrimidine-3-carboxylate anion coordinates with a N, O chelating mode to form a discrete structure. The complex molecules are connected to each other through classical O–H⃛O and O–H⃛N hydrogen bonds between the coordinated water molecules and the pyrazolo[1,5-a]pyrimidine-3-carboxylate ligands to form a two-dimensional structure.


Corresponding author: Yang Kong, School of Biology and Pharmaceutical Sciences, Shaanxi University of Science & Technology, Xi’an, 710021, Shaanxi, China, E-mail:

Funding source: Technical Innovation Guidance Special Fund of Shaanxi Province

Award Identifier / Grant number: 2020QFY11-04

Award Identifier / Grant number: 2021QFY12-04

  1. Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.

  2. Research funding: Technical Innovation Guidance Special Fund of Shaanxi Province (2020QFY11-04, 2021QFY12-04).

  3. Conflict of interest statement: The authors declare no conflicts of interest regarding this article.

References

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Received: 2022-07-14
Accepted: 2022-08-19
Published Online: 2022-08-31
Published in Print: 2022-12-16

© 2022 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

  1. Frontmatter
  2. New Crystal Structures
  3. The crystal structure of 1,5-bis(4-chlorophenyl)-3-(3-methylphenyl)pentane- 1,5-dione, C48H40Cl4O4
  4. Crystal structure of (bis(1,10-phenanthroline-κ 2 N,N′))-(3,5-dinitrosalicylato-κ 2 O,O′)nickel(II), C31H18N6NiO7
  5. Crystal structure of {N,N′-bis(4-fluoro-salicylaldehyde)-3,6-dioxa-1,8-diaminooctane-κ4 O,N,N′,O′}zinc(II), C20H20F2N2O4Zn
  6. [5-Bromo-2-(2-(dimethylamino)ethyliminomethyl)phenolato-κ3 N,N′,O]-isothiocyanato-nickel(II), C12H14BrN3NiOS
  7. Crystal structure of 9-bromo-4-(6-methoxypyridin-2-yl)-5,6-dihydrobenzo[h]quinazolin- 2-amine, C18H15BrN4O
  8. The crystal structure of imidazolium nitrate, C3H5O3N3
  9. Crystal structure of diiodido-bis(6,6′-dimethoxy-2,2′-(ethane-1,2-diylbis(nitrilomethanylylidene)) diphenolato)tricadmium(II), C36H36Cd3I2N4O8
  10. Crystal structure of [diaqua-bis(2-((1H-tetrazol-1-yl)methyl)-5-carboxy-1H-imidazole-4-carboxylato-κ2 N,O) manganese(II)] dihydrate, C14H18MnN12O12
  11. Crystal structure of Diaqua[5,5′-dicarboxy-2,2′-(propane-1,3-diyl)bis(1H-imidazole-4-carboxylato-k4 O,O′,N,N′)]iron(II), C13H14FeN4O10
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  13. Crystal structure of N 2,N 6-bis(2-(((E)-quinolin-8-ylmethylene)amino)phenyl)pyridine-2,6-dicarboxamide, C39H27N7O2
  14. An I 6 2 anion in the crystal structure of theophyllinium triiodide monohydrate, C7H11I3N4O3
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  18. Synthesis and crystal structure of 3-(((7-hydroxy-3-(4-hydroxy-3,5-dinitrophenyl)-4-oxo-4H-chromen-8-yl)methyl)(nitroso)amino)propanoic acid, C19H14N4O11
  19. The crystal structure of 3-((4-chloro-N-(2-methoxyethyl)benzamido)methyl)phenyl methanesulfonate, C18H20ClNO5S
  20. Crystal structure of di([1,1′:3′,1″-terphenyl]-2′-yl)tellane, C36H26Te
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  22. Crystal structure of N′,N‴-((1E,2E)-1,2-diphenylethane-1,2-diylidene)bis(4-methylbenzohydrazide) – water – methanol (1/1/1), C31H32N4O4
  23. Crystal structure of 3-((2,4-dichlorobenzyl)thio)-5-methyl-7-(trifluoromethyl)-[1,2,4]triazolo [4,3-c]pyrimidine, C14H9Cl2F3N4S
  24. Crystal structure of 3,5,6,7-tetramethoxy-3′,4′-methylenedioxy-flavone, C20H18O8
  25. Crystal structure of catena-poly[(5,5′-dimethyl-2,2′-bipyridine-κ 2 N,N′)-(μ 3-hydrogen-1,1′,1″-(1,3,5-triazine-2,4,6-triyl)tris(piperidine-4-carboxylato)- κ 5 O:O,O′:O″,O‴)-cadmium(II)], C33H40CdN8O6
  26. The crystal structure of 3,5-bis(propan-2-yl)-1H-pyrazol-4-amine, C9H17N3
  27. Crystal structure of [(1,4,7,10-tetraoxacyclododecane-κ 4 O,O′,O″, O‴)-tris(nitrato-κ 2 O,O′)gadolinium(III)], C8H16N3O13Gd
  28. The crystal structure of 2,2′-((pyridine-2,6-diylbis(methylene))bis(sulfanediyl))-bis(4,5-dihydro-1H-imidazol-3-ium) bromide, C13H19Br2N5S2
  29. Crystal structure of E-2-chloro-N′-(1-(5-chloro-2-hydroxyphenyl)propylidene)benzohydrazide, C16H14Cl2N2O2
  30. Crystal structure of 3-(adamantan-1-yl)-4-methyl-5-{[(4-nitrophenyl)methyl]sulfanyl}-4H-1,2,4-triazole, C20H24N4O2S
  31. The crystal structure of dimethanol-κ1O-(5,10,15,20-tetrakis(4-nitrophenyl)porphyrin-21,23-diido-κ4 O,O′,O″,O′″)manganese(III) trans-dicyanido-κ1C-bis(acetylacetonato-κ2 O,O′)ruthenium(III), C58H46N10O14RuMn
  32. The crystal structure of nitroxyl-κ N-{hydridotris(3-trifluoromethyl-5-methylpyrazolyl-1-yl-κN 3)borato}nickel(II), C15H13BF9N7NiO
  33. The crystal structure of [(2,2′-bipyridine-κ2 N,N)-bis(6-phenylpyridine-2-carboxylato- κ2 N,O)nickel(II)] monohydrate, C34H26N4O5Ni
  34. The crystal structure of 5-(2-fluoro-3-methoxyphenyl)-1-(2-fluoro-6-(trifluoromethyl)benzyl)-6-methylpyrimidine-2,4(1H,3H)-dione, C20H15F5N2O3
  35. The crystal structure of ethyl 2,3,5-trifluoro-4-(4-oxo-3,4-dihydropyridin-1(2H)-yl)benzoate, C14H12F3NO3
  36. [2,2′-{Ethane-1,2-diylbis[(azanylylidene)methanylylidene]}bis(3-bromo-2-hydroxyphenyl)]iron(III) nitrate, C20H12Br2CuN2O2
  37. The crystal structure of 1-(2-iodophenyl)-4-phenyl-1H-1,2,3-triazole, C14H10IN3
  38. Synthesis and crystal structure of 2-(2-oxo-2-(thiophen-2-yl)ethyl)-4H-chromen-4-one, C15H10O3S
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  45. Crystal structure of dichlorido-tetra((E)-(RS)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol-κ1 N)zinc(II), C60H68O4N12Cl10Zn
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  48. Crystal structure of dibromido-tetra((E)-(RS)-1-(2,4-dichlorophenyl)-4,4-dimethyl-2-(1,2,4-triazol-1-yl)pent-1-en-3-ol-κ 1 N)zinc(II), C60H68O4N12Br2Cl8Zn
  49. Crystal structure of tetrasodium-bis(μ 2-oxido)-hexafluoro-didioxo-molybdenum(V), Na2(Mo2O4F6)
  50. Crystal structure of (E)-N′-(2-chloro-6-hydroxybenzylidene)-4- hydroxybenzohydrazide-water (1/1), C14H13Cl1N2O4
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  52. The crystal structure of catena-poly[(1,10-phenanthroline-κ2 N,N′)-(μ3-2-hydroxybenzene-1,3-dicarboxylato-κ5 O,O′:O″,O‴:O‴)cadmium(II)], C20H12CdN2O5
  53. The crystal structure of 2,6-di-tert-butyl-4-(4-(methylthio)benzylidene)cyclohexa-2,5-dien-1-one, C22H28OS
  54. La3.65Mg30Sb1.07 as a disordered derivative of Th2Ni17-type structure
  55. Crystal structure of (E)-N-(4-morpholinophenyl)-1-(quinoxalin-2-yl)methanimine, C19H18N4O
  56. The crystal structure of 2,2′-(1,2-phenylenebis(methylene))bis(1,3-dimethylisothiouronium) bromide, C14H24Br2N4S2
  57. Crystal structure of tetraaqua-bis[4-(1H-1,2,4-triazol-1-yl)benzoato-κ1 N]zinc(II), C18H20ZnN6O8
  58. Crystal structure of bis(tricarbonyl)-{(S)-(tert-butoxycarbonyl)(1-methoxy-1-oxo-3-sulfido-k2 S:S′-propan-2-yl)amido-k2N:N′}diiron(I) (Fe—Fe), C15H15Fe2NO10S
  59. Crystal structure of (E)-3-((4-chlorophenyl)thio)-4-hydroxypent-3-en-2-one, C11H11ClO2S
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  61. The crystal structure of 2-(4-methoxynaphthalen-1-yl)-4H-chromen-4-one, C20H14O3
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  63. The double polymeric chain of catena-poly[(μ2-6-bromopyridine-3-carboxylato-κ2 O,O′) (6-bromopyridine-3-carboxylato-κ2 O,O′) (μ2-1,2-bis(4-pyridyl)ethylene-κ2 N:N′)cobalt(II)], C24H16CoBr2N4O4
  64. The crystal structure of tert-butyl 2-(4-(12-bromo [2.2]paracyclophanyl)carbamoyl)pyrrolidine-1-carboxylate, C26H31BrN2O3
  65. The crystal structure of (Z)-2-(2,3-dimethoxybenzylidene)naphtho[1,2-b]furan-3(2H)-one, C21H16O4
  66. Crystal structure of 2-hydroxy-1-tosylindolin-3-yl- 2-naphthoate, C26H21N1S1O5
  67. The crystal structure of 1-methyl-N-(1-methyl-1H-imidazole-2-carbonyl)-1H-imidazole-2-carboxamide, C10H11N5O2
  68. The crystal structure of (E)-2-((5-bromo-2-hydroxybenzylidene)amino)-3′,6′-bis(ethylamino)-2′, 7′-dimethylspiro[isoindoline-1,9′-xanthen]-3-one, C33H31BrN4O3
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  71. Bifurcated halogen bonds in the crystal structure of 2,2′-bi(1,8-naphthyridine)—1,4-diiodotetrafluorobenzene (1/1), C22H10F4I2N4
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