Home Physical Sciences The crystal structure of aqua-bis(3-acetyl-2-oxo-2H-chromen-4-olato-κ2O,O′)zinc(II) monohydrate, C22H18O10Zn
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The crystal structure of aqua-bis(3-acetyl-2-oxo-2H-chromen-4-olato-κ2O,O′)zinc(II) monohydrate, C22H18O10Zn

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Zeitschrift für Kristallographie - New Crystal Structures
From the journal Zeitschrift für Kristallographie - New Crystal Structures Volume 234 Issue 4

Abstract

C22H18O10Zn, triclinic, P1̄ (no. 2), a = 7.9616(3) Å, b = 9.5386(3) Å, c = 14.2569(4) Å, α = 81.713(3)°, β = 82.724(3)°, γ = 73.103(3)°, V = 1021.03(6) Å3, Z = 2, Rgt(F) = 0.0223, wRref(F2) = 0.0603, T = 295(2) K.

CCDC no.: 1905428

The 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:Plate, colorless
Size:0.46 × 0.35 × 0.09 mm
Wavelength:Mo Kα radiation (0.71073 Å)
μ:1.26 mm−1
Diffractometer, scan mode:Gemini S, φ and ω-scans
θmax, completeness:26.4°, >99%
N(hkl)measured, N(hkl)unique, Rint:20929, 4157, 0.022
Criterion for Iobs, N(hkl)gt:Iobs > 2 σ(Iobs), 3901
N(param)refined:312
Programs:CrysAlisPRO [1], SHELX [2], [3], PLATON [4], CrystalExplorer [16], [17]
Table 2:

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

AtomxyzUiso*/Ueq
Zn10.64578(2)0.45085(2)0.31876(2)0.03222(7)
O1A0.63360(15)0.63037(12)0.38425(8)0.0383(3)
O2A0.69653(15)0.33663(11)0.44329(7)0.0351(2)
O3A0.91778(15)0.41036(11)0.66749(8)0.0355(2)
O4A0.86649(15)0.64478(12)0.62606(8)0.0379(3)
O50.88543(16)0.41142(14)0.24433(9)0.0412(3)
H510.885(3)0.484(2)0.2075(14)0.062*
H520.963(3)0.394(2)0.2786(14)0.062*
O60.8258(2)0.6787(2)0.13113(11)0.0631(4)
H610.721(2)0.697(3)0.1523(18)0.095*
H620.828(4)0.679(3)0.0752(12)0.095*
O1B0.54969(16)0.29418(12)0.28331(8)0.0408(3)
O2B0.49580(17)0.58689(12)0.22434(9)0.0436(3)
O3B0.22826(17)0.52896(13)0.01383(8)0.0436(3)
O4B0.2517(2)0.29949(14)0.06270(10)0.0570(4)
C1A0.84626(19)0.53114(16)0.60594(11)0.0284(3)
C2A0.76168(18)0.51316(15)0.52628(10)0.0268(3)
C3A0.75927(18)0.36873(16)0.51207(10)0.0261(3)
C4A0.83525(19)0.24585(16)0.58178(10)0.0277(3)
C5A0.8381(2)0.10082(17)0.57375(11)0.0353(3)
H5A0.7832210.0813830.5252140.042*
C6A0.9214(3)−0.01307(18)0.63698(13)0.0438(4)
H6A0.922986−0.1092840.6310470.053*
C7A1.0034(3)0.01503(19)0.70989(13)0.0487(4)
H7A1.061444−0.0628360.7517970.058*
C8A0.9993(3)0.15703(19)0.72055(12)0.0440(4)
H8A1.0519100.1763580.7700560.053*
C9A0.9152(2)0.27041(16)0.65606(11)0.0301(3)
C10A0.68387(19)0.64137(16)0.46167(11)0.0290(3)
C11A0.6554(2)0.79602(17)0.48405(12)0.0396(4)
H11A0.7671340.8166150.4810880.059*
H11B0.5967190.8063390.5468280.059*
H11C0.5840820.8640310.4385660.059*
C1B0.2877(2)0.40832(18)0.07839(11)0.0363(3)
C2B0.38591(19)0.42133(16)0.15440(10)0.0294(3)
C3B0.4114(2)0.56015(17)0.16212(11)0.0307(3)
C4B0.3360(2)0.68528(17)0.09369(11)0.0316(3)
C5B0.3493(2)0.82744(18)0.09750(13)0.0420(4)
H5B0.4054060.8448350.1462600.050*
C6B0.2813(3)0.94102(19)0.03072(14)0.0480(4)
H6B0.2918071.0347920.0338300.058*
C7B0.1960(3)0.9157(2)−0.04217(14)0.0489(4)
H7B0.1505590.992899−0.0879290.059*
C8B0.1785(3)0.7779(2)−0.04703(13)0.0461(4)
H8B0.1205410.761230−0.0952330.055*
C9B0.2488(2)0.66443(17)0.02127(11)0.0345(3)
C10B0.4564(2)0.29226(17)0.21940(11)0.0323(3)
C11B0.4232(3)0.14676(19)0.21550(14)0.0488(5)
H11D0.2985120.1587920.2208030.073*
H11E0.4747220.0778470.2670850.073*
H11F0.4750760.1102780.1561020.073*

Source of material

The ligand was synthesized according to a previously published procedure [5]. To a hot solution of the ligand 3-acetyl-4-hydroxy-2H-chromen-2-one (non-systematic name: 3-acetyl-4-hydroxycoumarine) (1.8 g, 9 mmol) in ethanol (15 mL), 0.85 g (4.5 mmol) of Zn(NO3)2⋅6H2O was added. The obtained mixture was refluxed for 30 minutes and afterwards cooled to room temperature. The solvent was allowed to slowly evaporate, and in this way appropriate colorless crystals of the title as the main product were obtained.

Experimental details

Coordinates of hydrogen atoms bonded to carbon atoms were introduced in idealized positions and refined using riding model. Their Uiso values are approximated as Uiso = kUeq of the parent atom (k = 1.2 for sp2 and 1.5 for sp3 hybridized carbon atoms). Coordinates of hydrogen atoms bonded to water oxygen atoms O5 and O6 were located in residual electron density map, and were refined with O—H and H—H distance restraints (0.86(2) Å and 1.30(2) Å, respectively). Their Uiso were set as Uiso = 1.2Ueq of the parent oxygen atom.

Comment

Coumarins are an important group of organic compounds. They are known to be excellent ligands for metal ions and have found significant uses in the synthesis of a number of complexes. Many of these products exhibit promising physiological activities including antimicrobial (specifically antitubercular and antifungal) [6], [7], [8] and antioxidant actions [9], or they were put forward as potential cancer chemotherapeutic agents [10], [11]. Likewise, they have a potential utilization as colorimetric chemosensors for metal cations [12].

Asymmetric part of the unit cell consists of the [Zn(C11H7O4)2H2O] complex and a water molecule. The structure of [Zn(C11H7O4)2H2O] approximately conforms to C2 point-group symmetry (excluding hydrogen atoms), with a twofold axis coinciding with the Zn1—O5 bond direction.

The coordination environment of Zn(II) can be best described as slightly deformed square pyramidal, since traverse along Berry pseudorotation coordinate (D3h → C2v → C4v) is 97%, as calculated by Holmes’ method [13]. The basal plane of square pyramid is occupied by two bidentately coordinated coumarin ligands, while the apical site is occupied by a coordinated water molecule. The organic ligands are coordinated in a monoanionic form, through O3A of deprotonated hydroxyl group and O4A of acetyl group. Bond lengths Zn1—O3A, Zn1—O3B and Zn1—O3A, Zn1—O4B (1.9673(10), 1.9811(11), 2.0384(11), and 2.0135(11) Å, respectively) are slightly shorter than chemically equivalent bonds found in structurally related octahedral Zn(II) complexes with coumarin derivatives [14], [15]. This may be explained by the lower coordination number of Zn(II) in the title complex. Bond lengths within six-membered metallocycles are consistent with electron delocalization through O3A—C4A—C3A—C9A—O4A and O3B—C4B—C3B—C9B—O4B fragments.

Catenation of structural units is achieved by hydrogen bonding along [101]. Each coordinated water molecule O5 (i) is hydrogen bonded to neighboring complex molecule (ii) and the non-coordinated water molecule (i) [symmetry operations: (i) x, y, z; (ii) –x + 2, –y + 1, –z]. Furthermore, the non-coordinated water molecule (i) is hydrogen bonded to an adjacent complex (iii) [symmetry operation: (iii) –x + 1, –y + 1, –z]. Pairwise interaction energies, calculated using CE-B3LYP model energies via CrystalExplorer17 [16], [17], indicate that these interactions are dominantly electrostatic in nature, with interaction energies −165, −72 and −32 kJ mol−1, respectively. Interestingly, calculations reveal that interactions dominated by dispersion contributions are not negligible, amounting −66 kJ mol−1 between intra-chain pair [Zn(C11H7O4)2H2O] (i) ⋯ [Zn(C11H7O4)2H2O] (iii) and −104 kJ mol−1 between inter-chain pair [Zn(C11H7O4)2H2O] (i) ⋯ [Zn(C11H7O4)2H2O] (iv) [symmetry operation: (iv) –x + 1, –y + 1, –z + 1].

Funding source: Ministry of Education, Science and Technological Development of the Republic of Serbia

Award Identifier / Grant number: 172061, 172014 and 45022

Funding statement: This work was supported by the Ministry of Education, Science and Technological Development of the Republic of Serbia (Grants Nos. 172061, 172014 and 45022).

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Received: 2019-01-25
Accepted: 2019-03-25
Published Online: 2019-05-08
Published in Print: 2019-06-26

© 2019 Milenko N. Ristić et al., published by De Gruyter, Berlin/Boston

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

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  55. Crystal structure of aqua-2,2′,2′′-(((nitrilo-κN-tris(ethane-2,1-diyl))tris(azanylylidene-κ3N′,N′′,N′′′))tris(methanylylidene))tris(4-chlorophenolato-κ3O,O′,O′′)neodymium(III), C27H26Cl3N4NdO4
  56. Crystal structure of dichlorido-(μ2-2,2′-(diazene-1,2-diyl)bis(benzen-1-ido)-κ2C:C′)dimercury(II), C12H8Cl2Hg2N2
  57. Crystal structure of (3E,5E)-3,5-bis(4-cyanobenzylidene)-1-((4-fluorophenyl)sulfonyl)piperidin-4-one, C27H18FN3O3S
  58. Crystal structure of dichlorido(pyridine-κN)(2,4,6-tri-2-pyridyl-1,3,5-triazine-κ3N2,N1,N6)nickel(II), C23H17Cl2N7Ni
  59. Redetermination of the crystal structure of tetrakis(4-chlorobenzyl)tin(IV), C28H24Cl4Sn
  60. The crystal structure of 2,6-bis(pyridin-1-ium-3-ylmethyl)hexahydro-4,8-ethenopyrrolo-[3,4-f] isoindole-1,3,5,7-tetrone tetrachloridocuprate(II) monohydrate, C24H24Cl4CuN4O5
  61. Crystal structure of cyclo-[octaaqua-tetrakis(μ2-5,5′-(1H-imidazole-4,5-diyl)bis(tetrazol-2-ido)-κ4N,N′,N′′,N′′′)tetramagnesium(II)], C20H24N40O8Mg4
  62. The crystal structure of a matrine derivative, 13-(4-Cl-pyrrole)-matrine, C18H26ClN4O
  63. Crystal structure of (dibenzyl sulphoxide-κO)bis(2-chlorobenzyl-κC1)dichloridotin(IV), C28H26Cl4OSSn
  64. Crystal structure of catena-poly[(μ2-azido-κ2N:N)(μ2-4-cyanobenzoato-κ2O:O′)-(μ2-methanol-κ2O:O)copper(II)], C9H8CuN4O3
  65. Crystal structure of 1,1′-dibenzyl-3,3′-dicyano-1,1′,4,4′-tetrahydro-4,4′-bipyridine, C26H22N4
  66. Crystal structure of (2-bromobenzyl)((1-bromonaphthalen-2-yl)methyl)sulfane, C18H14Br2S
  67. Crystal structure of 2-(4-ammoniocyclohexyl)-3-(pyridin-2-yl)imidazo[1,5-a]pyridin-2-ium 2-[(2-carboxylatophenyl)disulfanyl]benzoate dihydrate, [C18H22N4][C14H8O4S2] ⋅ 2H2O
  68. Crystal structure of (E)-N-((3R,5S,10S, 13S,14S,17S)-17-((S)-1-(dimethylamino)ethyl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-yl)-2-methylbut-2-enamide – water – methanol (1/1/1), C29H54N2O3
  69. Crystal structure of methyl 2-(4-(3-(2,4-difluorophenyl)pyrazolo[1,5-a]pyrimidin-6-yl)phenyl)acetate, C21H15F2N3O2
  70. Crystal structure of poly[triaqua-(μ4-benzene-1,3,5-tricarboxylato-κ5O1,O2:O3:O4:O5)-(μ2-5-(3-pyridyl)tetrazolato-κ2N1:N3)dizinc(II)], C15H13N5O9Zn2
  71. Crystal structure of N-(3-methylphenyl)(propan-2-yloxy)carbothioamide, C11H15NOS
  72. Crystal structure of poly[(μ2-1,3-bis(imidazol-1-ylmethyl)benzene-κ2N:N′)(nitrato-κ1O)cadmium(II)] — water (2/1), C28H32CdN10O7
  73. Crystal structure of 4-phenyl-2,4-dihydro-3H-1,2,4-triazole-3-thione, C8H7N3S
  74. Crystal structure of benzyltrichloridobis(1H-pyrazole-κ2N)tin(IV), C13H15Cl3N4Sn
  75. Crystal structure of chlorido-4-fluorobenzyl-bis(2-methylquinolin-8-olato-κ2N,O)tin(IV), C27H22ClFN2O2Sn
  76. Crystal structure of tetrakis(O,O′-diisopropyldithiophosphato-κ2S,S′)-(μ2-1,2-bis(4-pyridylmethylene)hydrazine-κ2N:N′)zinc(II), C36H66N4O8P4S8Zn2
  77. Crystal structure of tetrabutylammonium 4,4-oxydibenzoate – boric acid – water (1/2/6) C46H98B2N2O17
  78. Redetermination of the crystal structure of catena-poly[[tribenzyltin(IV)]-(μ2-pyridine-4-carboxylato-κ2N:O)], C27H25NO2Sn
  79. The synthysis and crystal structure of cyclohexyl 5-amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-4-((trifluoromethyl)sulfinyl)-1H-pyrazole-3-carboxylate, C18H15N3Cl2F6O3S
  80. The crystal structure of 5,7-bis(2-hydroxyethoxy)-2-phenyl-4H-chromen-4-one, C19H18O6
  81. Synthesis and crystal structure of (±)-Ethyl 5′-(difluoromethyl)-2-oxo-4′,5′-dihydrospiro[indoline-3,3′-pyrazole]-4′-carboxylate, C14H13F2N3O3
https://doi.org/10.1515/ncrs-2019-0077
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Articles in the same Issue

  1. Frontmatter
  2. Crystal structure of (E)-2-(1-((2-aminophenyl)imino)ethyl)-5-fluorophenol, C14H13FN2O
  3. Crystal structure of (E)-2-(1-((2-aminophenyl)imino)ethyl)-4,6-dichlorophenol, C14H12Cl2N2O
  4. The crystal structure of (E)-1-(4-methoxyphenyl)-3-(2-nitrophenyl)triaz-1-ene C8H8N2O4
  5. Crystal structure of (E)-2-(((6-bromopyridin-2-yl)methylene)amino)-3′,6′-bis(ethylamino)-2′,7′-dimethylspiro[isoindoline-1,9′-xanthen]-3-one—methanol (1:1), C32H30N5O2Br ⋅ CH4O
  6. Crystal structure of 2,4-pentanedione bis(2,4-dinitrophenylhydrazone), C17H16N8O8
  7. Crystal structure of sodium morpholine-4-carbodithioate, (C5H12NNaO3S2)
  8. Crystal structure of 1,1′-(hexane-1,6-diyl)bis(3-ethyl-1H-imidazol-3-ium) bis(hexafluorido phosphate), C16H28F12N4P2
  9. Crystal structure of 5-(4-chlorophenyl)-3-(4-fluorophenyl)-1-phenyl-4,5-dihydro-1H-pyrazole, C21H16ClFN2
  10. Crystal structure of catena-poly[diaqua-bis(3-carboxy-5-methoxybenzoato-κO)-(1,2-bis(imidazol-1-yl)ethane-κ2N:N′)cobalt(II)], C26H28CoN4O12, [Co(C9H6O5)2(H2O)2(C8H10N4)]
  11. The crystal structure of 3-cyclohexyl-1,5-dioxaspiro[5.5]undecane-2,4-dione, C15H22O4
  12. Crystal structure of (2,4-dimethoxybenzyl)triphenylphosphonium trifluoroacetate — trifluoroacetic acid (1/1), C31H27F6O6P
  13. Crystal structure of 4-tert-butyl-1-(2,6-dimethylphenyl)-1H-1,2,3-triazole, C14H19N3
  14. Crystal structure of 1,1′-methylenebis(4-tert-butylpyridinium) tetrachloridocobaltate(II) – dichloromethane (1:1), C20H30Cl6CoN2
  15. Crystal structure of (4,4′-(ethane-1,2-diylbis((nitrilo)(2-furylmethylylidene)))bis(3-methyl-1-phenyl-1H-pyrazol-5-olato-κ4N,N′,O,O′))-nickel(II)), C32H26N6NiO4
  16. Synthesis and crystal structure of bis{((E)-((4-((E)-1-(benzyloxyimino)ethyl)phenyl)imino)methyl)-2-phenolato-κ2N,O}copper(II), C44H38CuN4O4
  17. Crystal structure of catena-poly[diaqua-bis(3,5-dichloropyridine-4-carboxylato-κ1O)-bis(μ2-4,4′-bipyridine-κ2N:N′)cobalt(II)], C22H16Cl4CoN4O6
  18. The crystal structure of 2-(4-chloro-2,6-dinitrophenyl)-1-(4-chloro-3,5-dinitrophenyl)diazene 1-oxide, C12H4Cl2N6O9
  19. The crystal structure of 3-(1H-benzo[d]imidazol-2-yl)-7-chloro-1-cyclopropyl-6-fluoro-1,4-dihydroquinolin — dimethylsulfoxide (1/1), C21H19ClFN3O2S
  20. The crystal structure of dichlorido-bis(1-butyl-1H-imidazole-κN)zinc(II), C14H24Cl2ZnN4
  21. (Z)-N-tert-butyl-1-(2-(3,5-dichlorobenzamido)phenyl) methanimine oxide, C18H18Cl2N2O2
  22. Crystal structure of diaqua-bis(3-carboxy-5-bromoisophthalato-κO)-bis(1-(3-(1H-benzo[d]imidazol-1-yl)propyl)-1H-benzo[d]imidazol-3-ium-κN)nickel(II) bis(3-carboxy-5-bromoisophthalate), C66H54Br4N8NiO18
  23. Crystal structure of poly[aqua(μ2-5-methoxyisophthalato-κ2O,O′:O′′)-(1,2-bis(imidazol-1′-yl)ethane-κ2N:N′)cobalt(II), C34H36Co2N8O12
  24. Crystal structure of poly[diaqua-bis(μ2-1-(4-(1H-imidazol-1-yl)benzyl)-1H-1,2,4-triazole-κ2N:N′)manganese(II)] terephthalate tetrahydrate, MnC32H38N10O10
  25. Crystal structure of the fluorescent fipronil derivative 5,5′-(methylenebis(azanediyl))bis(1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-4-((trifluoromethyl)sulfinyl)-1H-pyrazole-3-carbonitrile), C25H6N8O2Cl4F12S2
  26. Crystal structure of the phosphorescent complex diethyldithiophosphonato-κ2S,S′-bis(2-phenylpyridinato-κ2C,N)iridium(III), C26H26N2O2PS2Ir
  27. The crystal structure of 4,10-diethoxy-6H,12H-6,12-epoxydibenzo[b,f][1,5]dioxocine, C18H18O5
  28. Crystal structure of dichlorido-bis(N-benzyl-2-(quinolin-8-yloxy)acetamide-κ2N,O)copper(II) — ethyl acetate (1/1), C38H36N4O6Cl2Cu
  29. Synthesis and crystal structure of bis{4-methyl-2-((E)-((4-((E)-1-(benzyloxyimino)ethyl)phenyl)imino)methyl)phenolato-κ3N,O,O}copper(II), C92H84Cu2N8O8
  30. The crystal structure of 1,3,5-trinitro-4,6-diazidobenzene, C6HN9O6
  31. Crystal structure 1-cinnamyl-2-((Z)-styryl)-1H-benzo[d]imidazole — methanol (1/1), C24H20N2 ⋅ CH4O
  32. The crystal structure of poly[m2-aqua-tetraaqua-bis(m9-4-formylbenzene-1,3-disulfonato)tetrasodium(I) hydrate, C14H18O19S4Na4
  33. Crystal structure of 2-((2,8-bis(trifluoromethyl)quinolin-4-yl)(hydroxy)methyl)piperidin-1-ium trifluoroacetate, [C17H17F6N2O][C2F3O2]
  34. The crystal structure of bis(ferrocenecarboxylato-κ2O,O′)bis[4-(dimethylamino)pyridine-κN]copper(II) — acetonitrile(1/2), C40H44CuO4Fe2N6
  35. Crystal structure of poly[di-μ2-aqua)-diaqua-bis(μ6-4,4′,4′′-(benzene-1,3,5-triyltris(oxy))tribenzoato-κ6O1:O2:O3:O3:O5:O6)tricadmium(II)] dihydrate, C54H42Cd3O24
  36. The crystal structure of dichlorido(1,3-bis(2,6-diisopropyl-phenyl)-1H-3λ4-imidazol-2-yl)(3-phenyl-pyridine-κN)palladium(IV), C38H45N3Cl2Pd
  37. The crystal structure of 2-chloro-4-(prop-2-yn-1-yloxy)-6-phenyl-1,3,5-triazine, C12H8ClN3O
  38. The crystal structure of 2,6-di-tert-butyl-4-(phenyl(phenylsulfonyl)methyl)phenol, C27H32O3S
  39. Crystal structure of bis{μ2-bis{(((((1-methoxyimino)ethyl)phenyl)imino)methyl)-2-phenolato-κ3N,O:O}copper(II)}, C68H68Cu2N8O8
  40. Crystal structure of catena-poly[tetraaqua-bis(μ2-2-(4-carboxylatophenoxy)benzoato-κ2O:O′)-pentakis(pyridine-κ1N)dinickel(II)], C53H47N5Ni2O13
  41. Synthesis and crystal structure of 1-(2,6-dichloro-4-trifluoromethyl-phenyl)-5-(3-methoxy-benzylamino)-4-trifluoromethanesulfinyl-1H-pyrazole-3-carbonitrile, C20H12N4Cl2F6O2S
  42. Redetermination of the crystal structure of bis(μ2-di-ethyldithiocarbamato-κ3S,S′:S;κ3S:S: S′)-hexacarbonyl-di-rhenium(I), C16H20N2O6Re2S4
  43. The crystal structure of (E)-N′-((2-hydroxynaphthalen-1-yl)methylene)-2-phenylacetohydrazide, C19H16O2N2
  44. Crystal structure of 6-hydroxy-4,8,11b-trimethyltetradecayhdro-8,11-epoxy-6a,9-methanocyclohepta[a]naphthalene-4-carboxylic acid – methanol (1/1), C20H30O4
  45. The crystal structure of aqua-bis(3-acetyl-2-oxo-2H-chromen-4-olato-κ2O,O′)zinc(II) monohydrate, C22H18O10Zn
  46. Crystal structure of poly[bis(μ2-4-bromoisophthalate-κ2O:O′)-tris(μ2-1-(3-((1H-1,2,4-triazol-1-yl)methyl)benzyl)-1H-1,2,4-triazole-κ2N:N′)dicobalt(II)] monohydrate, C26H23CoN9O5Br
  47. A cyclic I102− anion in the layered crystal structure of theophyllinium pentaiodide, C7H9I5N4O2
  48. Crystal structure of catena-poly[diaqua-bis(μ2-4-((4-(pyridin-2-ylmethoxy)phenyl)diazenyl)benzoato-κ3O,O′:N)cadmium(III)], Cd(C19H14O3N3)2(H2O)
  49. Crystal structure of catena-poly[(μ2-4,4′-bipyridyl-κN,N′)-bis(O,O′-dimethyldithiophosphato-κS)-zinc(II)], {C14H20N2O4P2S4Zn}n
  50. Crystal structure of 3-amino-2-hydroxy-6-methoxybenzamide hydrate, C16H22N4O7
  51. Crystal structure of hemikis(cyclohexane-1,4-diammonium) (pyridine-2-carboxylate), [C6H16N2]0.5[C6H4NO2]
  52. Crystal structure of 2-chloro-4-(prop-2-yn-1-yloxy)-6-(thiophen-2-yl)-1,3,5-triazine, C10H6ClN3OS
  53. The crystal structure of 3-butyl-1-methyl-1H-imidazol-3-ium catena-poly[tris(μ2-bromido-κ2Br:Br)lead(II)], C8H15Br3N2Pb
  54. Crystal structure of 3-(5-amino-1H-1,2,4-triazol-3-yl)-1-(piperidin-1-yl)propan-1-one, C10H17N5O
  55. Crystal structure of aqua-2,2′,2′′-(((nitrilo-κN-tris(ethane-2,1-diyl))tris(azanylylidene-κ3N′,N′′,N′′′))tris(methanylylidene))tris(4-chlorophenolato-κ3O,O′,O′′)neodymium(III), C27H26Cl3N4NdO4
  56. Crystal structure of dichlorido-(μ2-2,2′-(diazene-1,2-diyl)bis(benzen-1-ido)-κ2C:C′)dimercury(II), C12H8Cl2Hg2N2
  57. Crystal structure of (3E,5E)-3,5-bis(4-cyanobenzylidene)-1-((4-fluorophenyl)sulfonyl)piperidin-4-one, C27H18FN3O3S
  58. Crystal structure of dichlorido(pyridine-κN)(2,4,6-tri-2-pyridyl-1,3,5-triazine-κ3N2,N1,N6)nickel(II), C23H17Cl2N7Ni
  59. Redetermination of the crystal structure of tetrakis(4-chlorobenzyl)tin(IV), C28H24Cl4Sn
  60. The crystal structure of 2,6-bis(pyridin-1-ium-3-ylmethyl)hexahydro-4,8-ethenopyrrolo-[3,4-f] isoindole-1,3,5,7-tetrone tetrachloridocuprate(II) monohydrate, C24H24Cl4CuN4O5
  61. Crystal structure of cyclo-[octaaqua-tetrakis(μ2-5,5′-(1H-imidazole-4,5-diyl)bis(tetrazol-2-ido)-κ4N,N′,N′′,N′′′)tetramagnesium(II)], C20H24N40O8Mg4
  62. The crystal structure of a matrine derivative, 13-(4-Cl-pyrrole)-matrine, C18H26ClN4O
  63. Crystal structure of (dibenzyl sulphoxide-κO)bis(2-chlorobenzyl-κC1)dichloridotin(IV), C28H26Cl4OSSn
  64. Crystal structure of catena-poly[(μ2-azido-κ2N:N)(μ2-4-cyanobenzoato-κ2O:O′)-(μ2-methanol-κ2O:O)copper(II)], C9H8CuN4O3
  65. Crystal structure of 1,1′-dibenzyl-3,3′-dicyano-1,1′,4,4′-tetrahydro-4,4′-bipyridine, C26H22N4
  66. Crystal structure of (2-bromobenzyl)((1-bromonaphthalen-2-yl)methyl)sulfane, C18H14Br2S
  67. Crystal structure of 2-(4-ammoniocyclohexyl)-3-(pyridin-2-yl)imidazo[1,5-a]pyridin-2-ium 2-[(2-carboxylatophenyl)disulfanyl]benzoate dihydrate, [C18H22N4][C14H8O4S2] ⋅ 2H2O
  68. Crystal structure of (E)-N-((3R,5S,10S, 13S,14S,17S)-17-((S)-1-(dimethylamino)ethyl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-3-yl)-2-methylbut-2-enamide – water – methanol (1/1/1), C29H54N2O3
  69. Crystal structure of methyl 2-(4-(3-(2,4-difluorophenyl)pyrazolo[1,5-a]pyrimidin-6-yl)phenyl)acetate, C21H15F2N3O2
  70. Crystal structure of poly[triaqua-(μ4-benzene-1,3,5-tricarboxylato-κ5O1,O2:O3:O4:O5)-(μ2-5-(3-pyridyl)tetrazolato-κ2N1:N3)dizinc(II)], C15H13N5O9Zn2
  71. Crystal structure of N-(3-methylphenyl)(propan-2-yloxy)carbothioamide, C11H15NOS
  72. Crystal structure of poly[(μ2-1,3-bis(imidazol-1-ylmethyl)benzene-κ2N:N′)(nitrato-κ1O)cadmium(II)] — water (2/1), C28H32CdN10O7
  73. Crystal structure of 4-phenyl-2,4-dihydro-3H-1,2,4-triazole-3-thione, C8H7N3S
  74. Crystal structure of benzyltrichloridobis(1H-pyrazole-κ2N)tin(IV), C13H15Cl3N4Sn
  75. Crystal structure of chlorido-4-fluorobenzyl-bis(2-methylquinolin-8-olato-κ2N,O)tin(IV), C27H22ClFN2O2Sn
  76. Crystal structure of tetrakis(O,O′-diisopropyldithiophosphato-κ2S,S′)-(μ2-1,2-bis(4-pyridylmethylene)hydrazine-κ2N:N′)zinc(II), C36H66N4O8P4S8Zn2
  77. Crystal structure of tetrabutylammonium 4,4-oxydibenzoate – boric acid – water (1/2/6) C46H98B2N2O17
  78. Redetermination of the crystal structure of catena-poly[[tribenzyltin(IV)]-(μ2-pyridine-4-carboxylato-κ2N:O)], C27H25NO2Sn
  79. The synthysis and crystal structure of cyclohexyl 5-amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-4-((trifluoromethyl)sulfinyl)-1H-pyrazole-3-carboxylate, C18H15N3Cl2F6O3S
  80. The crystal structure of 5,7-bis(2-hydroxyethoxy)-2-phenyl-4H-chromen-4-one, C19H18O6
  81. Synthesis and crystal structure of (±)-Ethyl 5′-(difluoromethyl)-2-oxo-4′,5′-dihydrospiro[indoline-3,3′-pyrazole]-4′-carboxylate, C14H13F2N3O3
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