Home Physical Sciences Crystal structure of bis(5,5′-((butane-1,4-diylbis(azanylylidene))bis(methanylylidene))bis(3-(ethoxycarbonyl)-2,4-dimethylpyrrol-1-ido-k4N,N′,N′′,N′′′)copper(II), C24H32CuN4O4
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Crystal structure of bis(5,5′-((butane-1,4-diylbis(azanylylidene))bis(methanylylidene))bis(3-(ethoxycarbonyl)-2,4-dimethylpyrrol-1-ido-k4N,N′,N′′,N′′′)copper(II), C24H32CuN4O4

  • Wan-Wan Wang , Wei-Na Wu EMAIL logo and Yuan Wang
Published/Copyright: February 9, 2018
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Zeitschrift für Kristallographie - New Crystal Structures
From the journal Zeitschrift für Kristallographie - New Crystal Structures Volume 233 Issue 2

Abstract

C24H32CuN4O4, monoclinic, Cc, a = 11.8142(10) Å, b = 45.481(4) Å, c = 9.2540(8) Å, β = 97.886(2)°, V = 4925.4(8) Å3, Z = 8, Rgt(F) = 0.0501, wRref(F2) = 0.1188, T = 296(2) K.

CCDC no.:: 1817652

One of the two crystallographically independent complexes of the title crystal structure is shown in the figure. Tables 1 and 2 contain details on crystal structure and measurement conditions and a list of the atoms including atomic coordinates and displacement parameters.

Table 1:

Data collection and handling.

Crystal:Brown block
Size:0.12 × 0.12 × 0.10 mm
Wavelength:Mo Kα radiation (0.71073 Å)
μ:0.92 mm−1
Diffractometer, scan mode:Bruker SMART, φ and ω-scans
θmax, completeness:26°, >99%
N(hkl)measured, N(hkl)unique, Rint:14046, 8132, 0.038
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 5659
N(param)refined:595
Programs:Bruker programs [1], SHELX [2]
Table 2:

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

AtomxyzUiso*/Ueq
Cu10.66052(6)0.116702(13)0.78127(7)0.04924(19)
Cu20.50183(6)0.162460(15)0.24233(7)0.0522(2)
C10.2868(7)0.0005(2)0.1185(12)0.145(4)
H1A0.2832−0.01590.05230.218*
H1B0.25620.01770.06710.218*
H1C0.2428−0.00390.19570.218*
C20.4065(7)0.00584(18)0.1805(9)0.115(3)
H2A0.4385−0.01180.22850.138*
H2B0.45060.01060.10270.138*
C30.5109(5)0.03098(14)0.3714(6)0.0572(15)
C40.5115(4)0.05637(12)0.4666(6)0.0479(13)
C50.6042(5)0.06204(12)0.5765(6)0.0468(13)
C60.4816(4)0.09835(12)0.5772(6)0.0472(13)
C70.4327(4)0.07940(13)0.4672(6)0.0474(14)
C80.3186(5)0.08380(14)0.3769(7)0.0657(17)
H8A0.28540.10180.40490.099*
H8B0.26930.06770.39230.099*
H8C0.32820.08470.27560.099*
C90.7092(5)0.04471(14)0.6196(7)0.0700(18)
H9A0.75520.05420.69970.105*
H9B0.75160.04330.53850.105*
H9C0.68900.02540.64860.105*
C100.4517(5)0.12660(13)0.6183(6)0.0499(14)
H10A0.38160.13480.58090.060*
C110.4951(7)0.17108(12)0.7525(8)0.0618(16)
H11A0.41700.17120.77370.074*
H11B0.49900.18420.67070.074*
C120.5715(6)0.18254(14)0.8820(7)0.0698(18)
H12A0.52790.19630.93250.084*
H12B0.59230.16620.94770.084*
C130.6782(7)0.19743(14)0.8542(7)0.079(2)
H13A0.72300.20200.94740.095*
H13B0.65800.21590.80530.095*
C140.7527(6)0.18005(14)0.7631(7)0.0689(18)
H14A0.71690.17950.66230.083*
H14B0.82650.18960.76610.083*
C150.8596(6)0.14262(14)0.9063(7)0.0612(16)
H15A0.91970.15580.92820.073*
C160.8650(5)0.11414(14)0.9657(7)0.0560(16)
C170.7874(5)0.07210(13)1.0019(7)0.0542(15)
C180.8981(5)0.07345(14)1.0896(6)0.0539(15)
C190.9455(5)0.10013(15)1.0646(6)0.0591(16)
C201.0586(5)0.11349(17)1.1329(8)0.084(2)
H20A1.09920.09951.19850.127*
H20B1.04410.13101.18570.127*
H20C1.10370.11841.05750.127*
C210.7010(5)0.04853(13)0.9921(7)0.0650(17)
H21A0.63570.05420.92440.098*
H21B0.67820.04531.08640.098*
H21C0.73290.03070.95890.098*
C220.9526(7)0.05199(18)1.1937(9)0.088(2)
C230.9189(10)0.0119(2)1.3351(10)0.149(4)
H23A0.85180.00361.36940.178*
H23B0.95840.02401.41250.178*
C240.9948(10)−0.0120(3)1.3006(16)0.195(7)
H24A1.0180−0.02341.38670.293*
H24B1.0611−0.00381.26630.293*
H24C0.9549−0.02431.22630.293*
C25−0.0029(9)0.0825(2)−0.4032(17)0.195(6)
H25A−0.06650.0821−0.47980.293*
H25B−0.02920.0787−0.31140.293*
H25C0.05180.0678−0.42110.293*
C260.0513(7)0.1117(2)−0.3990(10)0.121(3)
H26A0.07680.1158−0.49210.145*
H26B−0.00370.1266−0.38120.145*
C270.1574(6)0.13700(16)−0.2143(7)0.0666(16)
C280.2580(5)0.13449(13)−0.1028(6)0.0535(15)
C290.2963(5)0.15760(13)−0.0057(7)0.0534(14)
C300.4078(5)0.11957(13)0.0486(6)0.0542(15)
C310.3283(5)0.10994(12)−0.0645(6)0.0499(14)
C320.2533(6)0.18843(15)−0.0014(7)0.079(2)
H32A0.29680.19880.07790.118*
H32B0.17420.18820.01230.118*
H32C0.26120.1981−0.09160.118*
C330.3252(6)0.07966(14)−0.1244(8)0.079(2)
H33A0.26290.0779−0.20230.118*
H33B0.31480.0659−0.04870.118*
H33C0.39580.0756−0.16080.118*
C340.5097(5)0.10733(13)0.1254(6)0.0550(15)
H34A0.52990.08800.10920.066*
C350.6811(5)0.11110(14)0.2935(8)0.0634(17)
H35A0.73490.10900.22390.076*
H35B0.66580.09160.32910.076*
C360.7345(6)0.12912(16)0.4175(8)0.078(2)
H36A0.78020.11630.48600.094*
H36B0.67420.13720.46690.094*
C370.8107(5)0.15460(14)0.3794(7)0.0653(17)
H37A0.84220.16420.46960.078*
H37B0.87420.14630.33690.078*
C380.7561(5)0.17744(16)0.2783(7)0.0681(17)
H38A0.80330.19500.28690.082*
H38B0.75170.17040.17880.082*
C390.6199(5)0.20794(14)0.3799(7)0.0573(15)
H39A0.67820.22120.41120.069*
C400.5093(5)0.21301(12)0.4110(6)0.0528(14)
C410.4574(5)0.23285(13)0.4956(6)0.0579(15)
C420.3441(5)0.22341(12)0.4913(6)0.0510(14)
C430.3305(5)0.19810(12)0.4024(6)0.0524(14)
C440.5130(7)0.25928(13)0.5722(9)0.090(2)
H44A0.45880.26930.62320.135*
H44B0.53860.27230.50190.135*
H44C0.57720.25310.64060.135*
C450.2285(5)0.17834(14)0.3706(7)0.0648(17)
H45A0.24520.16280.30640.097*
H45B0.16440.18950.32490.097*
H45C0.21050.17000.46010.097*
C460.2623(6)0.23605(14)0.5754(7)0.0653(17)
C470.0778(6)0.2363(2)0.6201(9)0.115(3)
H47A0.08550.25740.63270.138*
H47B0.09150.22720.71560.138*
C48−0.0388(7)0.2292(2)0.5496(11)0.145(4)
H48A−0.09330.23560.61100.217*
H48B−0.04550.20830.53500.217*
H48C−0.05340.23900.45720.217*
N10.5845(4)0.08770(10)0.6428(5)0.0452(10)
N20.5243(4)0.14120(10)0.7102(5)0.0510(12)
N30.7685(4)0.14993(11)0.8202(5)0.0586(13)
N40.7712(4)0.09688(10)0.9267(5)0.0491(11)
N50.3866(4)0.14881(10)0.0861(5)0.0514(12)
N60.5736(4)0.12352(11)0.2176(5)0.0563(13)
N70.6404(4)0.18510(11)0.3085(5)0.0558(13)
N80.4304(4)0.19171(10)0.3552(5)0.0494(11)
O10.4137(4)0.02831(11)0.2782(6)0.0937(16)
O20.5842(5)0.01353(13)0.3676(6)0.116(2)
O31.0473(6)0.05419(16)1.2572(9)0.155(3)
O40.8860(5)0.02895(12)1.2151(7)0.127(2)
O50.1412(5)0.11235(13)−0.2921(6)0.1050(18)
O60.0964(4)0.15771(13)−0.2353(6)0.1009(18)
O70.2818(4)0.25375(11)0.6733(6)0.0928(16)
O80.1556(4)0.22647(11)0.5365(5)0.0838(14)

Source of material

Ethyl 5-formyl-2,4-dimethylpyrrole-3-carboxylate (0.390 g, 2 mmol) and butane-1,4-diamine (0.088 g, 1 mmol) was dissolved in an ethanol/THF (1:1) solution (10 mL). The mixture was stirred for 4 h at room temperture, and then copper acetate (0.181 g, 1 mmol) was added. The resulting solution was left in air for a few days, yielding brown block-shaped crystals.

Experimental details

The hydrogen atoms were placed at calculated positions and refined as riding atoms with isotropic displacement parameters.

Discussion

The crystal structures of copper(II) and zinc(II) complexes with bis(pyrrol-2-ylmethyleneamine) ligands have been weidely investigated. By varying the spacers between two pyrrol-2-yl-methyleneamine units, dinuclear dimeric helicates, trinuclear trimeric triangles, and tetranuclear tetrameric square complexes could be generated [3], [4], [5], [6]. Our previous work also reported a series of bis(pyrrol-2-ylmethyleneamine) ligands and biological activities of their copper(II) and zinc(II) complexes [5], [6], [7]. As part of our ongoing studies, the title complex was synthesized and characterized by X-ray diffraction.

In the title structure, there are two independent complexes in the asymmetric unit. In each of the molecules the ligand uses all four N atoms to coordinate to the Cu(II) ion, thus giving a distorted square planar geometry (r.m.s. deviation 0.3711 and 0.3829 Å for Cu1 and Cu2 atoms, respectively). The dihedral angle, defined by the intersection of two pyrrol-2-ylmethyleneamine planes at the copper center, is 53.4 and 54.0° in the case of Cu1 and Cu2, respectively. The N—Cu—N angles range from 82.7(2) to 156.20(18)°, and the bond distances of Cu–N span from 1.947(5) to 1.993(5) Å. The structure of the title complex is similar to that of [N,N-bis((pyrrol-2-yl)methylidene)butane-1,4-diamine-κ4N,N′,N′′,N′′′]copper(II) [3]. As expected, there exist no classical hydrogen bonds.

References

Bruker. SMART and SAINT. Bruker AXS Inc., Madison, WI, USA (2007).Search in Google Scholar

Sheldrick, G. M.: A short history of SHELX. Acta Crystallogr. A64 (2008) 112–122.10.1107/S0108767307043930Search in Google Scholar PubMed

Wu, Z.; Chen, Q.; Xiong, S.; Xin, B.; Zhao, Z.; Jiang, L.; Ma, J. S.: Double-stranded helicates, triangles, and squares formed by the self-assembly of pyrrol-2-ylmethyleneamines and ZnII ions. Angew. Chem. Int. Ed. 42 (2003) 3271–3274.10.1002/anie.200350908Search in Google Scholar PubMed

Yang, L.; Chen, Q.; Li, Y.; Xiong, S.; Li, G.; Ma, J. S.: Self-assembly of bis(pyrrol-2-ylmethyleneamine) ligands with Cu(II) controlled by bridging [–(CH2)n–] spacers and weak intermolecular C—H⋯Cu hydrogen bonding. Eur. J. Inorg. Chem. 2014 (2004) 1478–1487.10.1002/ejic.200300639Search in Google Scholar

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Wang, Y.; Wu, W.-N.; Wang, Q.; Yang, Z.-Y.: Synthesis, characterization, and antioxidant activities of three Cu(II) complexes with Schiff-base ligands. J. Coord. Chem. 63 (2010) 147–155.10.1080/00958970903295836Search in Google Scholar

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Received: 2017-10-8
Accepted: 2018-1-17
Published Online: 2018-2-9
Published in Print: 2018-3-28

©2018 Wan-Wan Wang et al., published by De Gruyter, Berlin/Boston

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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  51. Crystal structure of dinitrato-(N′-((quinolin-8-yl)methylene)isonicotinohydrazide κ3-N,N′,O)copper(II), C16H12N6O7Cu
  52. Crystal structure of benzoato-κO-bis(1,3,5-triaza-7-phosphaadamantane-κP)silver(I) monohydrate C19H31AgN6O3P2
  53. Crystal structure of (E)-2-(anthracen-9-ylmethylene)hydrazine-1-carbothioamide, C16H13N3S
  54. The crystal structure of 8-chloro-7-ethyl-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione, C9H11ClN4O2
  55. Crystal structure of {5,5′-((propane-1,3-diylbis(azanylylidene))bis(methanylylidene))bis(3-(ethoxycarbonyl)-2,4-dimethylpyrrol-1-ido)-κ4N,N′,N′′,N′′′}zinc(II), C23H30N4O4Cu
  56. Crystal structure of bis(4-dimethylamino-pyridin-1-ium)tetrafluorosuccinate, C18H22F4N4O4
  57. Crystal structure of dimethyl 3,9-dibenzyl-6,12-dicyclohexyl-3,9-diazahexacyclo [6.4.0.02,7.04,11.05,10]-dodecane-1,11-dicarboxylate, C40H50N2O4
  58. Crystal structure of diethyl 3,9-diphenyl-6,12-bis(3-methoxyphenyl)-3,9-diazahexacyclo[6.4.0.02,7.04,11.05,10]dodecane-1,11-dicarboxylate, C42H42N2O6
  59. Crystal structure of bis(acetato-κO)-bis(1-(pyridin-2-yl)ethan-1-one oxime-κ2N,N′)nickel(II), C18H22N4NiO6
  60. Crystal structure of (N-(3-ethoxy-2-oxidobenzylidene)-4-fluorobenzohydrazonato-κ3N,O,O′)-diphenyltin(IV), C28H23FN2O3Sn
  61. Crystal structure of {N-(3-ethoxy-2-oxidobenzylidene)-4-fluorobenzohydrazonato-κ3O,N,O′}dimethyltin(IV), C18H19FN2O3Sn
https://doi.org/10.1515/ncrs-2017-0189
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Articles in the same Issue

  1. Cover and Frontmatter
  2. Crystal structure and optical properties of diaqua-tris(nitrato-κ2O,O′)-bis(4,4,5,5-tetramethyl-2-(p-pyridyl)imidazoline-1-oxyl 3-oxide-κN)praseodymium(III), C24H36N9O15Pr
  3. Crystal structure of dimethanol-bis(μ2-methanol-κ2O:O)-bis{3-((4-methoxy-2-oxidobenzylidene)amino)-2-oxo-2H-chromen-4-olato-κ3O,N,O′}dimanganese(II), C38H38Mn2N2O14
  4. Crystal structure of catena-poly[diaqua-bis(μ2-2-(2-((2,6-dichlorophenyl)amino)phenyl)acetato-κ3O,O′:O′)calcium(II)], C56H48N4Ca2Cl8O12
  5. Crystal structure of catena-poly[triaqua-(isophthalato-κO)-(μ2-1,6-di(1H-imidazol-1-yl)hexane-κ2N:N′)]nickel(II), C20H28N4NiO7
  6. Crystal structure of cyclo[hexaqua-bis[1-[(2-ethyl-1H-imidazol-1-yl) methyl]-1H-benzotriazole-κ2N:N′]-bis(sulfato-κ1O)dicadmium(II)] monohydrate, C24H42Cd2N10O16S2
  7. Crystal Structure of bis(2-fluorbenzoato-κO)-bis(1,10-phenanthroline-κ2N,N′)manganese(II) dihydrate, C38H28F2MnN4O6
  8. Crystal structure of tetrapropylammonium 5-hydroxyisophthalate tetrahydrate, C20H41NO9
  9. Crystal structural of 2-amino-4-(3-bromophenyl)-3-cyano-7,7-dimethyl-5-oxo-4H-5,6,7,8-tetrahydrobenzo[b]pyran, C18H17BrN2O2
  10. Crystal structural of 2-amino-4-(4-methoxyphenyl)-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, C17H16N2O3
  11. Crystal structure of catena-poly[aqua(μ2-1,3-bis(1H-benzo[d]imidazol-1-yl)propane-κ2N:N′)-(μ2-5-(tert-butyl)isophthalate-κ3O,O′:O′′)nickel(II)], C29H30N4NiO5
  12. Crystal structure of catena-poly[(μ2-dicyanamido-κ2N:N′)-(μ2-2-(pyridin-2-yl)ethan-1-olato-κ3N,O:O′)copper(II)], C9H8CuN4O
  13. Crystal structure of bis(5,5′-((butane-1,4-diylbis(azanylylidene))bis(methanylylidene))bis(3-(ethoxycarbonyl)-2,4-dimethylpyrrol-1-ido-k4N,N′,N′′,N′′′)copper(II), C24H32CuN4O4
  14. The crystal structure of the formamide solvate of (17b)-estra-1,3,5(10)-triene-3,17diol, C19H27NO3
  15. Crystal structure of catena-poly[diaqua-bis(μ2-1H-benzo[d]imidazole-5-carboxylato-κ2N:O)nickel(II)] dihydrate, C16H18N4NiO8
  16. Crystal structure of dibromido[(1,2-bis(diisopropylphosphino)-1,2-dicarba-closo-dodecaborane-κ2P,P′]nickel(II), C14H38B10NiBr2P2
  17. The crystal structure of catena-poly[aquachlorido(3,3′-([4,4′-bipyridine]-1,1′-diium-1,1′-diylbis(methylene))dibenzoato-κ2O:O′)copper(II)] chloride dihydrate, C26H26Cl2CuN2O7
  18. The crystal structure of N′-(2-nitrobenzylidene)-2-phenylacetohydrazide, C15H13N3O3
  19. Crystal structure of dichlorido bis[1-[(2-methyl-1H-benzoimidazol-1-yl)methyl]-1H-benzotriazole-κ1N]cadmium(II), C30H26CdCl2N10
  20. Crystal structure of aqua-bis(3-(2-pyridyl)-5-(4-pyridyl)-1H-1,2,4-triazole-κ2N,N′)copper(II) sulfate tetrahydrate, C24H28CuN10O9S
  21. Crystal structure of dibromido-carbonyl-(η6-p-cymene)osmium(II), C11H14Br2OOs
  22. Crystal structure of catena-poly[chlorido-(μ2-chlorido)-bis(imidazole-κN)copper(II)] C6H8Cl2CuN4
  23. Crystal structure of [(1,2-bis(dicyclohexylphosphino)-1,2-dicarba-closo-dodecaborane-κ2P,P′]dibromidonickel(II)), C26H54B10NiBr2P2
  24. Crystal structure of dichlorido[1,1′-bis(diphenylphosphanyl)ferrocene-κ2P,P′]zinc(II), C34H28FeCl2P2Zn
  25. Crystal structure of tris(μ2-2-(pyridin-2-yl)ethan-1-olato-κ3N,O:O)-trithiocyanato-κN-dicobalt(III), C24H24Co2N6O3S3
  26. The crystal structure of diaqua-2,2′-((cyclohexane-1,2-diylbis(azanylylidene))bis(methanylylidene))diphenolato-κ4N,N′,O,O′)manganese(III) perchlorate, C20H24MnClN2O4
  27. Crystal structure of bis(μ3-chlorido)-bis(μ2-chlorido)-tetrakis(μ2-2,6-bis (diphenylmethyl)-4-t-butylphenolato)tetralithium(I)dicobalt(II) toluene solvate, C75.5H70Cl2CoLi2O2
  28. The crystal structure of hexaaqua-bis(μ2-3-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)propanoato-κ2O:O′)-tetrakis(3-(3-(pyridin-4-yl)-1,2,4-oxadiazol-5-yl)propanoato-κO)dierbium(III) octahydrate, C60H76N18O32Er2
  29. Crystal structure of dimethylammonium bis(naphthalene-2,3-diolato)borate, C22H20BNO4
  30. Crystal structure of 2-amino-4-(4-nitro-phenyl)-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile, C18H17N3O4
  31. The crystal structure of (E)-4-chloro-2-(((5-methylpyridin-2-yl)imino)methyl)phenol, C13H11ClN2O
  32. Crystal structure of bis(N,N,N-trimethylbutanaminium) poly[heptaselenidotristannate(IV)], C14H36N2Se7Sn3
  33. The crystal structure of N-((3,5-di-tert-butyl-4-hydroxyphenyl)(phenyl)methyl)-4-methylbenzenesulfonamide, C28H35N3S
  34. Crystal structure of 2-(4-chlorophenyl)-2,3-dihydro-1H-perimidine, C17H13Cl1N2
  35. The Crystal structure of 2-iodo-1-(p-tolyl)propan-1-one, C10H11IO
  36. Crystal structure of ethyl 1-(4-bromobenzyl)-3-phenyl-1H-pyrazole-5-carboxylate, C19H17BrN2O2
  37. Crystal structure of ethyl 1-(4-fluorobenzyl)-3-phenyl-1H-pyrazole-5-carboxylate, C19H17FN2O2
  38. Crystal structure of catena-poly[diaqua-(μ2-2,5-dihydroxyterephthalato-κ4O,O′:O′′,O′′′)cadmium(II)], C8H8O8Cd
  39. Crystal structure of tetraaqua-bis[6-(1H-imidazol-1-yl-κN)nicotinato]zinc(II), C18H20N6O8Zn
  40. Crystal structure of dichlorido-bis(N-phenyl-2-(quinolin-8-yloxy)acetamide-κ2N,O) – acetone (2/1), C35.5H31N4O4.5Cl2Cu
  41. Crystal Structure of ethyl (E)-3,4-dimethyl-5-((2-(4-methylbenzoyl)hydrazono)methyl)-1H-pyrrole-2-carboxylate — water — ethanol (1/1/1), C20H29N3O5
  42. Crystal structure of 5-((4-(1H-benzo[d]imidazol-2-yl)-2-methoxyphenoxy)methyl)-2-chlorothiazole - trichloromethane - methanol (1/1/1), C20H19Cl4N3O3S
  43. The crystal structure of a matrine derivative: 41S,7aS,12S,13aR,13bR)-12-(4-methylpiperazin-1-yl)dodecahydro-1H,5H,10H-dipyrido[2,1-f:3′,2′,1′-ij][1,6]naphthyridin-10-one, C20H34N4O
  44. Crystal structure of cesium beryllophosphate, Be3Cs2P4O14
  45. Crystal Structure of 3-((3-hydroxybenzyl)ammonio)-3-phenylpropanoate, C16H17NO3
  46. Crystal structure of 9,10-dimethoxy-5,6-dihydro-[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinolin-7-ium chloride — 4-hydroxy-3-methoxybenzoic acid — water (2/1/5), C48H54N2Cl2O17
  47. The crystal structure of (1R, 2R)-N1,N2-diferrocenyl-1,2-cyclohexanedicarboxamide, C28H30Fe2N2O2
  48. Crystal structure of N-(2-methylphenyl)ethoxycarbothioamide, C10H13NOS
  49. Crystal Structure of ethyl (E)-2,4-dimethyl-5-((2-tosylhydrazono)methyl)-1H-pyrrole-3-carboxylate monohydrate, C17H23N3O5
  50. Crystal structure of Diiodo-(N′-((quinolin-8-yl)methylene)isonicotinohydrazide κ3N,N′,O)cadium(II) – dimethylformamide (1/1), C19H19N5O2CdI2
  51. Crystal structure of dinitrato-(N′-((quinolin-8-yl)methylene)isonicotinohydrazide κ3-N,N′,O)copper(II), C16H12N6O7Cu
  52. Crystal structure of benzoato-κO-bis(1,3,5-triaza-7-phosphaadamantane-κP)silver(I) monohydrate C19H31AgN6O3P2
  53. Crystal structure of (E)-2-(anthracen-9-ylmethylene)hydrazine-1-carbothioamide, C16H13N3S
  54. The crystal structure of 8-chloro-7-ethyl-1,3-dimethyl-1H-purine-2,6(3H,7H)-dione, C9H11ClN4O2
  55. Crystal structure of {5,5′-((propane-1,3-diylbis(azanylylidene))bis(methanylylidene))bis(3-(ethoxycarbonyl)-2,4-dimethylpyrrol-1-ido)-κ4N,N′,N′′,N′′′}zinc(II), C23H30N4O4Cu
  56. Crystal structure of bis(4-dimethylamino-pyridin-1-ium)tetrafluorosuccinate, C18H22F4N4O4
  57. Crystal structure of dimethyl 3,9-dibenzyl-6,12-dicyclohexyl-3,9-diazahexacyclo [6.4.0.02,7.04,11.05,10]-dodecane-1,11-dicarboxylate, C40H50N2O4
  58. Crystal structure of diethyl 3,9-diphenyl-6,12-bis(3-methoxyphenyl)-3,9-diazahexacyclo[6.4.0.02,7.04,11.05,10]dodecane-1,11-dicarboxylate, C42H42N2O6
  59. Crystal structure of bis(acetato-κO)-bis(1-(pyridin-2-yl)ethan-1-one oxime-κ2N,N′)nickel(II), C18H22N4NiO6
  60. Crystal structure of (N-(3-ethoxy-2-oxidobenzylidene)-4-fluorobenzohydrazonato-κ3N,O,O′)-diphenyltin(IV), C28H23FN2O3Sn
  61. Crystal structure of {N-(3-ethoxy-2-oxidobenzylidene)-4-fluorobenzohydrazonato-κ3O,N,O′}dimethyltin(IV), C18H19FN2O3Sn
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