Home Crystal structure of the Cu(II) complex chlorido-(6-oxo-2-phenyl-1,6-dihydropyrimidine-4-carboxylato-k2N,O)-(phenanthroline-k2N,N')copper(II), C23H15ClCuN4O3
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Crystal structure of the Cu(II) complex chlorido-(6-oxo-2-phenyl-1,6-dihydropyrimidine-4-carboxylato-k2N,O)-(phenanthroline-k2N,N')copper(II), C23H15ClCuN4O3

  • Qi Yang , Meng-Qi Hou , Pei-Rou Chen , Shuo Li ORCID logo EMAIL logo , Guang-Peng Zhou EMAIL logo , Gan Li and Dong-Dong Chen
Published/Copyright: October 12, 2020

Abstract

C23H15ClCuN4O3, monoclinic, P21/c (no. 14), a = 10.63346(14) Å, b = 17.99387(15) Å, c = 11.60320(16) Å, β = 116.2165(17)°, V = 1991.74(5) Å3, Z = 4, Rgt(F) = 0.0315, wRref(F2) = 0.0898, T = 293(2) K.

CCDC no.: 1989185

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:Blue plate
Size:0.20 × 0.20 × 0.05 mm
Wavelength:Cu Kα radiation (1.54184 Å)
μ:3.09 mm−1
Diffractometer, scan mode:SuperNova, ω
θmax, completeness:71.7°, >99 %
N(hkl)measured, N(hkl)unique, Rint:15,216, 3863, 0.026
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 3568
N(param)refined:293
Programs:Bruker [1], SHELX [2], [3], Olex2 [4]
Table 2:

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

AtomXyzUiso*/Ueq
C10.2768 (2)0.59654 (10)0.42890 (19)0.0337 (4)
H10.2660540.6455900.4481670.040*
C20.2385 (2)0.57708 (12)0.3004 (2)0.0386 (4)
H20.2042740.6129140.2360720.046*
C30.2520 (2)0.50492 (12)0.27098 (19)0.0378 (4)
H30.2270910.4914100.1862920.045*
C40.3036 (2)0.45097 (11)0.36891 (19)0.0341 (4)
C50.3196 (2)0.37349 (12)0.3487 (2)0.0449 (5)
H50.2945960.3561120.2659650.054*
C60.3708 (2)0.32540 (11)0.4490 (2)0.0468 (5)
H60.3784720.2753230.4332950.056*
C70.4131 (2)0.34960 (10)0.5778 (2)0.0377 (4)
C80.4685 (2)0.30315 (12)0.6873 (3)0.0487 (5)
H80.4778500.2523540.6784450.058*
C90.5081 (3)0.33335 (13)0.8056 (2)0.0518 (6)
H90.5461680.3031390.8780320.062*
C100.4920 (2)0.40936 (13)0.8193 (2)0.0440 (5)
H100.5194330.4288580.9011520.053*
C110.39989 (18)0.42523 (10)0.60003 (19)0.0301 (4)
C120.34191 (18)0.47556 (9)0.49417 (17)0.0285 (3)
C130.2592 (2)0.68464 (11)0.7527 (2)0.0445 (5)
C140.2027 (2)0.62356 (10)0.8084 (2)0.0345 (4)
C150.1504 (2)0.63967 (10)0.8922 (2)0.0368 (4)
H150.1555010.6879390.9226510.044*
C160.08718 (19)0.58244 (11)0.93430 (18)0.0327 (4)
C170.14387 (18)0.50025 (10)0.79847 (18)0.0299 (4)
C180.12316 (19)0.42607 (10)0.73815 (19)0.0314 (4)
C190.1159 (2)0.36131 (11)0.8013 (2)0.0398 (4)
H190.1289520.3632620.8859060.048*
C200.0891 (3)0.29421 (12)0.7365 (3)0.0507 (6)
H200.0838730.2510000.7781850.061*
C210.0699 (3)0.29048 (13)0.6108 (3)0.0530 (6)
H210.0532050.2449090.5688110.064*
C220.0756 (2)0.35452 (13)0.5477 (2)0.0481 (5)
H220.0615080.3522290.4627670.058*
C230.1025 (2)0.42219 (11)0.6111 (2)0.0378 (4)
H230.1066790.4652380.5685780.045*
Cl10.57305 (6)0.58805 (4)0.91027 (5)0.05194 (15)
Cu10.39352 (3)0.56232 (2)0.71499 (3)0.03241 (10)
N10.43852 (17)0.45451 (9)0.71863 (16)0.0329 (3)
N20.32794 (16)0.54735 (8)0.52367 (15)0.0292 (3)
N30.20351 (17)0.55322 (8)0.76230 (16)0.0330 (3)
N40.09012 (16)0.51310 (9)0.88311 (15)0.0313 (3)
H40.058 (3)0.4800 (15)0.904 (2)0.044 (7)*
O10.02937 (16)0.59064 (8)1.00528 (14)0.0424 (3)
O20.2351 (3)0.74883 (9)0.7696 (3)0.0861 (8)
O30.32527 (16)0.66331 (7)0.68986 (14)0.0397 (3)

Source of material

The title complex was synthesized by hydrothermal synthesis. CuCl2 (0.017 g, 0.1 mmol), 1,10-phenanthroline (0.02 g, 0.1 mmol), 6-hydroxy-2-phenylpyrimidine-4-carboxylic acid C11H8CN2O3 (0.0432 g, 0.2 mmol), and H2O (6 mL) were stirred at room temperature for 1 h and then put in a 20 mL high pressure reaction vessel. The autoclave was heated in an oven at 140° for 3 days and then cooled to room temperature to obtain blue flakes of the complex based on copper chloride. Then the complex was washed several times with deionized water and filtered to give crystals. Yields: 47.65%. 6-hydroxy-2-phenyl-pyrimidine-4-carboxylic acid was prepared by reference [5]. 1H NMR (600 MHz, DMSO) δ: 6.87 (s, DiazineH, 1H), 7.54–7.56 (m, PhH, 2H), 7.60 (d, J = 6 Hz, PhH, 1H), 8.17–8.18 (d, J = 6 Hz, PhH, 1H) ppm.

Experimental details

The structure was determined by the intrinsic phasing routines in the SHELXT program [2] and refined in SHELXL [3] using Olex 2 [4]. All of the hydrogen atoms were placed in the calculated positions.

Comment

Metal complex have the advantages of biological activity, excellent porosity, high loading capacity, etc. and play an important role in biomedical applications. It could be used to effectively load drugs and is beneficial to package various compounds and therapeutic drugs [6], [7]. The complexes formed with Cu2+ have thousands of applications; for example as nucleic acid cleavage enzymes because of their cleavage activity to DNA, and some complexes have certain anticancer activities [8], [9]. As a new type of ligand, 6-oxo-2-phenyl-1,6-dihydropyrimidine-4-carboxylate coordinate with Cu2+ to form the title complex. A TG curve was obtained. From the thermo gravimetric curve it could be found that there were two parts in weight loss, indicating that each organic ligand in the complex is removed seperately respectively. When the temperature was between 286 and 463°C, there was rapid weight loss, which meant the collapse of the whole system: weight loss 61.83%. Bond lenghts and angles are all in the expected ranges.


Corresponding author: Shuo Li and Guang-Peng Zhou, School of Chemical Engineering, Chongqing University of Technology, Chongqing 400054, PR China, E-mail: (S. Li), (G.-P. Zhou)

Funding source: Technical Research Program for Chongqing Education Commission

Award Identifier / Grant number: KJ1600916

Award Identifier / Grant number: KJ1600931

Award Identifier / Grant number: cstc2016jcyjA0508

Award Identifier / Grant number: cstc2018jcyjAX0518

Award Identifier / Grant number: cstc2016jcyjA0256

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

  2. Funding information: This work was supported by Technical Research Program for Chongqing Education Commission (KJ1600916, KJ1600931), Chongqing Research Program of Basic Research and Frontier Technology (No. cstc2016jcyj A0508, cstc2018jcyjAX0518, cstc2016jcyjA0256).

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

References

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Received: 2020-07-24
Accepted: 2020-09-15
Published Online: 2020-10-12
Published in Print: 2021-01-26

© 2020 Qi Yang 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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