Home Crystal structure of catena-poly[(μ2-isophthalato-k3 O,O′:O″)(4-(4-pyridyl)-2,5-dipyrazylpyridine-k3 N,N′,N″)cobalt(II)] trihydrate C26H22N6O7Co1
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Crystal structure of catena-poly[(μ2-isophthalato-k3 O,O′:O″)(4-(4-pyridyl)-2,5-dipyrazylpyridine-k3 N,N′,N″)cobalt(II)] trihydrate C26H22N6O7Co1

  • Chao-Jun He , Zhou-Qin Wang and Yu-Fang Wang ORCID logo EMAIL logo
Published/Copyright: June 8, 2023

Abstract

C26H22N6O7Co, triclinic, P 1 (no. 2), a = 9.0033(4) Å, b = 10.1338(5) Å, c = 15.5122(8) Å, α = 96.164(4)°, β =  100.835 ( 4 ) , γ =  113.867 ( 5 ) , V = 1244.20(11) Å3, Z = 2, Rgt (F) = 0.0473, wRref (F 2) = 0.1023, T = 293(2) K.

CCDC no.: 2265369

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: Red block
Size: 0.20 × 0.18 × 0.18 mm
Wavelength: Mo radiation (0.71073 Å)
μ: 0.75 mm−1
Diffractometer, scan mode: SuperNova, ω
θ max, completeness: 28.4°, >99 %
N(hkl)measured , N(hkl)unique, R int: 23,992, 5532, 0.075
Criterion for I obs, N(hkl)gt: I obs > 2 σ(I obs), 4418
N(param)refined: 370
Programs: Olex2 [1], Shelx [2, 3]
Table 2:

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

Atom x y z U iso*/U eq
Co1 0.73274 (4) 0.09830 (3) 0.18196 (2) 0.02542 (11)
O1 0.7351 (2) 0.25353 (18) 0.11162 (12) 0.0354 (4)
O2 0.6743 (3) 0.3687 (2) 0.21891 (13) 0.0521 (6)
O3 0.7275 (2) 0.87883 (18) 0.20547 (11) 0.0340 (4)
O4 0.7458 (3) 0.95577 (18) 0.08082 (12) 0.0385 (5)
N1 0.4726 (3) 0.0110 (2) 0.17837 (13) 0.0272 (5)
N2 0.1447 (3) −0.0864 (3) 0.19441 (16) 0.0476 (6)
N3 0.7363 (2) 0.1528 (2) 0.31361 (13) 0.0233 (4)
N4 0.9968 (3) 0.2106 (2) 0.25049 (13) 0.0285 (5)
N5 1.3275 (3) 0.3650 (2) 0.35298 (15) 0.0383 (6)
N6 0.7291 (3) 0.3637 (3) 0.76191 (15) 0.0410 (6)
C1 0.3420 (3) −0.0614 (3) 0.10756 (17) 0.0368 (7)
H1 0.3601 −0.0801 0.0514 0.044*
C2 0.1803 (4) −0.1089 (3) 0.1167 (2) 0.0480 (8)
H2 0.0919 −0.1592 0.0659 0.058*
C3 0.2763 (3) −0.0154 (3) 0.26553 (18) 0.0370 (6)
H3 0.2570 0.0009 0.3217 0.044*
C4 0.4400 (3) 0.0347 (2) 0.25847 (16) 0.0253 (5)
C5 0.5902 (3) 0.1177 (2) 0.33538 (15) 0.0241 (5)
C6 0.5853 (3) 0.1585 (3) 0.42237 (16) 0.0281 (6)
H6 0.4827 0.1320 0.4367 0.034*
C7 0.7345 (3) 0.2395 (3) 0.48838 (16) 0.0258 (5)
C8 0.8860 (3) 0.2770 (3) 0.46348 (16) 0.0283 (6)
H8 0.9882 0.3321 0.5056 0.034*
C9 0.8817 (3) 0.2308 (2) 0.37540 (16) 0.0252 (5)
C10 0.7336 (3) 0.2836 (3) 0.58295 (16) 0.0267 (5)
C11 0.5848 (3) 0.2491 (3) 0.60859 (17) 0.0375 (7)
H11 0.4821 0.1981 0.5663 0.045*
C12 0.5898 (4) 0.2906 (3) 0.69690 (18) 0.0410 (7)
H12 0.4879 0.2655 0.7120 0.049*
C13 0.8705 (4) 0.3967 (3) 0.73664 (19) 0.0463 (8)
H13 0.9710 0.4493 0.7804 0.056*
C14 0.8801 (3) 0.3593 (3) 0.65055 (18) 0.0405 (7)
H14 0.9840 0.3845 0.6380 0.049*
C15 1.0315 (3) 0.2619 (3) 0.33917 (16) 0.0263 (5)
C16 1.1968 (3) 0.3380 (3) 0.38927 (18) 0.0353 (6)
H16 1.2179 0.3717 0.4505 0.042*
C17 1.2892 (3) 0.3135 (3) 0.26512 (19) 0.0382 (7)
H17 1.3760 0.3302 0.2371 0.046*
C18 1.1267 (3) 0.2369 (3) 0.21433 (18) 0.0351 (6)
H18 1.1066 0.2025 0.1533 0.042*
C19 0.7076 (3) 0.3586 (3) 0.14536 (18) 0.0295 (6)
C20 0.7197 (3) 0.4764 (2) 0.09212 (16) 0.0256 (5)
C21 0.7299 (4) 0.4571 (3) 0.00422 (18) 0.0365 (7)
H21 0.7326 0.3715 −0.0221 0.044*
C22 0.7362 (4) 0.5643 (3) −0.04462 (18) 0.0447 (8)
H22 0.7409 0.5499 −0.1041 0.054*
C23 0.7356 (3) 0.6930 (3) −0.00554 (17) 0.0349 (6)
H23 0.7389 0.7645 −0.0390 0.042*
C24 0.7302 (3) 0.7160 (2) 0.08291 (16) 0.0248 (5)
C25 0.7202 (3) 0.6070 (2) 0.13090 (16) 0.0264 (5)
H25 0.7136 0.6210 0.1901 0.032*
C26 0.7351 (3) 0.8573 (3) 0.12544 (17) 0.0274 (6)
O5 0.7010 (2) 0.5368 (2) 0.37696 (14) 0.0506 (5)
H5A 0.6999 0.4862 0.3293 0.076*
H5B 0.6018 0.5069 0.3836 0.076*
O6 0.8560 (3) 0.8401 (2) 0.37249 (13) 0.0543 (6)
H6A 0.8337 0.8512 0.3188 0.082*
H6B 0.8009 0.7483 0.3695 0.082*
O7 0.8101 (3) 0.9536 (3) 0.53672 (15) 0.0557 (6)
H7A 0.9040 1.0185 0.5695 0.084*
H7B 0.8223 0.9253 0.4860 0.084*

1 Source of material

A mixture of py-pzpypz (4-(4-pyridyl)-2,5-dipyrazylpyridine, 28 mg, 0.1 mmol), H2ip (isophthalic acid, 33 mg, 0.2 mmol), Co(OAc)2.4H2O (52 mg, 0.2 mmol) and H2O (10 mL) was stirred for 30 min, and the pH value of the solution was adjusted to about 5 with 1 M KOH. The mixture was transferred to a 25 mL Teflon-lined steel vessel and heated at 140 °C for 3 days, and then cooled to room temperature over 30 h. Red block crystals of the title compound were obtained.

2 Experimental details

A suitable crystal was selected and determinated on a SuperNova, Single source at offset/far, EosS2 diffractometer. Using Olex2 [1], the structure was solved with the Shelxt [2] structure solution program and refined with the Shelxl [3] refinement package.

3 Comment

The synthesis of coordination polymers has been a hot topic in recent years, due to their novel structures and a variety potential applications Over the years, arduous effort has been invested in the purposeful design and controllable synthesis of these functional complexes [46]. Generally, the construction of the compounds is primarily dependent upon the advisable selection of the central metal and organic ligands [79]. Among many strategies for constructing coordination polymers, the self-assembly of neutral N-heterocyclic ligands and polycarboxylates with metal ions under hydro(solvo)thermal conditions has become one of the most effective approachs.

Terpyridine (tpy) ligands are well-established N-donors, and have therefore long been successfully exploited for the assembly of discrete and polymeric coordination complexes [10]. The pyrazine analogues of terpyridine-type ligands have received far less attention with the replacement of one or more pyridine rings by pyrazine rings first reported in 2005 [11]. We previously described a 1D Ni(II) polymer (C26H26NiN6O9) [12].

The ORPEP drawing of the title compound is shown in the Figure 1. The structure consists of a [Co(py-pzpypz)(bdc)] moiety and three isolated water molecules. The Co(II) ion has a distorted octahedron environment with three carboxylate oxygen atoms of two different bdc2− ligands and three chelated nitrogen atoms of the py-pzpypz molecule. The Co–N bond distance vary in the range of 2.0482(19)–2.163(2) Å, and the Co–O bond distances vary in the range of 2.0039(17)–2.2755(16) Å, which are normal bond distances found in other Co complexes [13, 14]. Adjacent Co(II) ions are connected by the carboxylate arms of the bdc2− ligands resulting a chain structure. N-containing heteromacrocyclic ligand py-pzpypz is attached to the main chain as side group (Figure 2).

Figure 1: 
Coordination environment of the Co(II) ion in title compound.
Figure 1:

Coordination environment of the Co(II) ion in title compound.

Figure 2: 
The 1D chain structure of the title compound.
Figure 2:

The 1D chain structure of the title compound.

Intermolecular H-bonds are found in the crystal. The intermolecular hydrogen bonds occur between carboxylate oxygen atoms and water molecules. The intermolecular hydrogen bonds also occur among oxygen atoms from water molecules to others. Thereby, the title compound can be viewed as a chain supramolecular architecture (Figure 2) further extended via these hydrogen bonds.


Corresponding author: Yu-Fang Wang, College of Chemistry and Chemical Engineering, and Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang, Henan, 471934, P.R. China, E-mail:

Acknowledgements

This work was supported the Science and Technology Project of Henan Province (No. 202102110210).

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

  2. Research funding: Science and Technology Project of Henan Province (No. 202102110210).

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

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Received: 2023-03-23
Accepted: 2023-05-25
Published Online: 2023-06-08
Published in Print: 2023-08-28

© 2023 the author(s), published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution 4.0 International License.

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  62. The crystal structure of (S, R p )-4–benzhydrylideneamino-12-(4-tert-butyl oxazolin-2-yl)[2.2]paracyclophane, C36H36N2O
  63. Synthesis and crystal structure of 2-(2-oxo-2-(o-tolyl)ethyl)-4H-chromen-4-one, C18H14O3
  64. Crystal structure of 2-(thiazol-2-yl)hexahydro-1H-4,7-epoxyisoindole-1,3(2H)-dione, C11H10N2O3S
  65. Crystal structure of N-(diaminomethylene)-1-(dimethylamino)-1-iminiomethanaminium dichloride, C4H13Cl2N5
  66. Crystal structure of poly[(μ3-3, 5-dichloro-2-hydroxy-benzoato-κ4 Cl,O:O′:O″) silver(I)], C7H3AgCl2O3
  67. The crystal structure of tetrakis(1-isopropylimidazole-κ1 N)-[μ2- imidazole-4,5-dicarboxylato-κ4 O,N,O′,N′)]- trioxido-divanadium, C29H41N10O7V2
  68. Crystal structure of catena-[(μ3-bromido)-(1H-1,2,4-triazol-1-yl)benzoato-κ1 N)copper(I)], C9H7BrCuN3O2
  69. The crystal structure of (E)-4-fluoro-N′-(1-(2-hydroxyphenyl)propylidene)benzohydrazide, C16H15FN2O2
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