Home The crystal structure of [(1,10-phenanthroline-κ2 N,N)-bis(6-phenylpyridine-2-carboxylate-κ2 N,O)nickel(II)] monohydrate, C36H26N4O5Ni
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The crystal structure of [(1,10-phenanthroline-κ2 N,N)-bis(6-phenylpyridine-2-carboxylate-κ2 N,O)nickel(II)] monohydrate, C36H26N4O5Ni

  • Li-Hua Wang , Xi-Shi Tai ORCID logo and Xiu-Jie Ren EMAIL logo
Published/Copyright: March 15, 2022

Abstract

C36H26N4O5Ni, orthorhombic, P212121 (no. 19), a = 10.5860(9) Å, b = 10.6497(6) Å, c = 26.4492(15) Å, β = 90°, V = 2981.8(3) Å3, Z = 4, R gt (F) = 0.0341, wR ref (F 2) = 0.0703, T = 200 K.

CCDC no.: 2156140

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.

Table 1:

Data collection and handling.

Crystal: Grey block
Size: 0.13 × 0.10 × 0.08 mm
Wavelength: Mo Kα radiation (0.71073 Å)
μ: 0.70 mm−1
Diffractometer, scan mode: SuperNova, ω
θ max, completeness: 25.0°, >99%
N(hkl)measured, N(hkl)unique, R int: 13,389, 5193, 0.036
Criterion for I obs, N(hkl)gt: I obs > 2 σ(I obs), 4857
N(param)refined: 418
Programs: Bruker [1], Olex2 [2], SHELX [3], Diamond [4]
Table 2:

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

Atom x y z U iso*/U eq
Ni1 0.42090 (4) 0.45207 (4) 0.59368 (2) 0.01911 (13)
O1 0.3875 (2) 0.5324 (2) 0.44548 (8) 0.0300 (6)
O2 0.4389 (2) 0.4422 (2) 0.51826 (8) 0.0257 (6)
O3 0.5252 (2) 0.6081 (2) 0.60239 (10) 0.0256 (6)
O4 0.7116 (3) 0.6801 (3) 0.62811 (10) 0.0316 (7)
N1 0.2961 (3) 0.3006 (3) 0.59761 (11) 0.0209 (7)
N2 0.4120 (3) 0.4213 (3) 0.67260 (10) 0.0207 (7)
N3 0.6123 (3) 0.3701 (3) 0.59883 (11) 0.0194 (7)
N4 0.2747 (3) 0.5821 (3) 0.57025 (10) 0.0211 (7)
C1 0.1971 (3) 0.6577 (3) 0.59669 (15) 0.0254 (8)
C2 0.1260 (4) 0.7506 (4) 0.57310 (16) 0.0343 (11)
H2 0.072651 0.801209 0.592179 0.041*
C3 0.1343 (4) 0.7678 (4) 0.52176 (15) 0.0364 (11)
H3 0.086414 0.829247 0.505754 0.044*
C4 0.2154 (4) 0.6921 (4) 0.49427 (14) 0.0300 (10)
H4 0.223806 0.702079 0.459503 0.036*
C5 0.2834 (3) 0.6013 (3) 0.51969 (13) 0.0207 (8)
C6 0.3763 (3) 0.5195 (3) 0.49157 (13) 0.0208 (8)
C7 0.1873 (4) 0.6400 (4) 0.65239 (14) 0.0284 (9)
C8 0.1353 (4) 0.5331 (4) 0.67279 (15) 0.0323 (9)
H8 0.107874 0.469324 0.651406 0.039*
C9 0.1230 (4) 0.5184 (5) 0.72486 (17) 0.0451 (13)
H9 0.087862 0.445627 0.738262 0.054*
C10 0.1636 (5) 0.6134 (5) 0.75619 (18) 0.0581 (15)
H10 0.155221 0.605219 0.791035 0.070*
C11 0.2163 (6) 0.7202 (5) 0.73622 (18) 0.0629 (16)
H11 0.244869 0.783122 0.757743 0.075*
C12 0.2274 (5) 0.7353 (4) 0.68453 (17) 0.0459 (12)
H12 0.261494 0.808736 0.671309 0.055*
C13 0.6403 (4) 0.5954 (4) 0.61431 (13) 0.0218 (9)
C14 0.6930 (3) 0.4627 (4) 0.61195 (12) 0.0210 (8)
C15 0.8180 (4) 0.4432 (4) 0.62362 (15) 0.0350 (10)
H15 0.869763 0.509751 0.633052 0.042*
C16 0.8648 (4) 0.3223 (4) 0.62098 (18) 0.0460 (13)
H16 0.948928 0.305788 0.628569 0.055*
C17 0.7854 (4) 0.2274 (4) 0.60705 (15) 0.0359 (11)
H17 0.815813 0.145621 0.604867 0.043*
C18 0.6593 (3) 0.2521 (3) 0.59611 (14) 0.0228 (8)
C19 0.5761 (4) 0.1462 (3) 0.57991 (12) 0.0225 (8)
C20 0.5784 (4) 0.0352 (4) 0.60725 (13) 0.0328 (9)
H20 0.627489 0.029757 0.636336 0.039*
C21 0.5091 (4) −0.0669 (4) 0.59191 (18) 0.0400 (10)
H21 0.509387 −0.140261 0.611006 0.048*
C22 0.4390 (4) −0.0602 (4) 0.54806 (17) 0.0419 (11)
H22 0.392266 −0.129349 0.537443 0.050*
C23 0.4380 (4) 0.0488 (4) 0.51992 (16) 0.0397 (10)
H23 0.391286 0.052742 0.490179 0.048*
C24 0.5062 (4) 0.1521 (4) 0.53580 (14) 0.0285 (9)
H24 0.505015 0.225610 0.516834 0.034*
C25 0.2302 (4) 0.2488 (4) 0.56053 (14) 0.0291 (9)
H25 0.239324 0.281038 0.528052 0.035*
C26 0.1474 (4) 0.1478 (4) 0.56792 (16) 0.0332 (10)
H26 0.101635 0.115130 0.540934 0.040*
C27 0.1347 (4) 0.0980 (4) 0.61500 (16) 0.0324 (10)
H27 0.081213 0.029989 0.620394 0.039*
C28 0.2032 (3) 0.1502 (4) 0.65550 (15) 0.0265 (9)
C29 0.2814 (3) 0.2527 (3) 0.64467 (13) 0.0202 (8)
C30 0.3468 (3) 0.3152 (3) 0.68517 (13) 0.0206 (8)
C31 0.3368 (4) 0.2702 (4) 0.73465 (14) 0.0267 (9)
C32 0.2571 (4) 0.1638 (4) 0.74430 (15) 0.0320 (10)
H32 0.249857 0.133421 0.777126 0.038*
C33 0.1928 (4) 0.1072 (4) 0.70680 (15) 0.0333 (10)
H33 0.140814 0.039246 0.714218 0.040*
C34 0.4686 (4) 0.4822 (4) 0.70948 (13) 0.0289 (10)
H34 0.511335 0.556034 0.701673 0.035*
C35 0.4679 (4) 0.4418 (4) 0.75993 (13) 0.0343 (10)
H35 0.511949 0.486319 0.784505 0.041*
C36 0.4020 (4) 0.3363 (4) 0.77255 (13) 0.0320 (10)
H36 0.400211 0.308367 0.805858 0.038*
O5 0.3829 (3) 0.6157 (3) 0.34645 (10) 0.0465 (9)
H5A 0.337911 0.681791 0.345563 0.070*
H5B 0.385693 0.587944 0.376572 0.070*

Source of material

The title compound has been synthesized as following: 1,10-phenanthroline (0.0405 g, 0.25 mmol), 6-phenylpyridine-2-carboxylic acid (0.0498 g, 0.25 mmol), Ni(O2CMe)2·4H2O (0.0622 g, 0.25 mmol), and NaOH (0.010 g, 0.25 mmol) were dissolved into a solution of 22 mL 95% ethanol-water (v:v = 1:1) under constant heating and stirring. After the mixture was heated up to 70 °C, the mixture continued to react for 5 h at this temperature. Then the reaction was then stopped and cooled down to room temperature and filtered. The needle-like crystals of [(1,10-phenanthroline-k2 N,N)-bis(6-phenylpyridine-2-carboxylate-k2 N,O) nickel(II)] monohydrate were received in 15 days. Anal. Calcd. for C36H26N4O5Ni: C, 66.12; H, 3.98; N, 8.57. Found: C, 65.96; H, 4.28; N, 8.39. IR: 1655 cm−1 (C=O), 1386 cm−1 (COO–).

Experimental details

The hydrogen atoms were positioned geometrically (C–H = 0.93 Å and O–H = 0.85 Å). Their U iso values were set to 1.2U eq or 1.5U eq of the parent atoms.

Comment

In general, transition metal complexes may be self-assembled to create 1D, 2D, and 3D structures [5], and they have also exhibited potential applications in antitumor agents [6], antiviral agents [7], CO2 photoreduction [8], effective adsorption of iodine [9], and so on. In our previous work, Co(II), Cu(II), Zn(II), and Pb(II) complexes of 6-phenylpyridine-2-carboxylates have been synthesized and structurally characterized [10], [11], [12], [13].

The title compound was characterized through elemental analysis, infrared spectrum, and X-ray single-crystal diffraction. The molecular structure is composed of a Ni(II) ion, two 6-phenylpyridine-2-carboxylate ligands, one 1,10-phenanthroline ligand and one lattice water molecule. The Ni(II) ion coordinates with four N atoms (N1, N2, N3, N4). N1 and N2 atoms are from one 1,10-phenanthroline ligand, and N3, N4 atoms are from two different 6-phenylpyridine-2-carboxylate ligands, and two O atoms (O2, O3) from two different 6-phenylpyridine-2-carboxylate ligands, forming a distorted six-coordinated octahedral geometry. The Ni–O and Ni–N distances are 2.007(2) Å (Ni1–O2), 2.008(3) Å (Ni1–O3), 2.087(3) Å (Ni1–N1), 2.115(3) Å (Ni1–N2), 2.211(3) Å (Ni1–N3), 2.167(3) Å (Ni1–N4), which is consistent with the literature. The sum of angles around Ni(II) ion is 362.59° (N3–Ni1–O2, 87.34(10)°; N3–Ni1–N2, 85.36(11)°; N2–Ni1–N4, 110.44(11)°; N4–Ni1–O2, 79.45(10)°), and the angle of O3–Ni1–N1 is 168.97(11)°, showing that O2, N3, N2, N4 atoms are at the equatorial plane and O3, N1 atoms are at axial position. The dihedral angles between phenyl and pyridyl groups of the 6-phenylpyridine-2-carboxylate ligands are 66.0° (phenyl ring: C7–C8–C9–C10–C11–C12 and pyridyl ring: C1–C2–C3–C4–C5–N4) and 130.3° (phenyl ring: C19–C20–C21–C22–C23–C24 and pyridyl ring: C14–C15–C16–C17–C18–N3). The molecules form 1D chain structure by the O–H⃛O hydrogen bond between the lattice water molecule and a 6-phenylpyridine-2-carboxylate ligand.


Corresponding author: Xiu-Jie Ren, College of Computer Engineering, Weifang University, Weifang, Shandong 261061, P. R. China, E-mail:

Funding source: National Natural Science Foundation of China http://dx.doi.org/10.13039/501100001809

Award Identifier / Grant number: 21171132

Funding source: Natural Science Foundation of Shandong http://dx.doi.org/10.13039/501100007129

Award Identifier / Grant number: ZR2014BL003

Funding source: Project of Shandong Province Higher Educational Science and Technology Program http://dx.doi.org/10. 13039/501100015642

Award Identifier / Grant number: J14LC01

Funding source: Science Foundation of Weifang

Award Identifier / Grant number: 2020ZJ1054

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

  2. Research funding: This project was supported by the National Natural Science Foundation of China (No. 21171132), the Natural Science Foundation of Shandong (ZR2014BL003), the Project of Shandong Province Higher Educational Science and Technology Program (J14LC01) and Science Foundation of Weifang (2020ZJ1054).

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

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Received: 2022-01-24
Accepted: 2022-03-03
Published Online: 2022-03-15
Published in Print: 2022-06-27

© 2022 Li-Hua Wang et al., published by De Gruyter, Berlin/Boston

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

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